Publications / Patents


List of Publications (in reverse chronological order)


Google Scholar: https://scholar.google.co.in/citations?hl=en&user=L_SrFzcAAAAJ&view_op=list_works&sortby=pubdate



Patent Filed:

 

2.  Sivakumar Vaidyanathan, Biswaranjan Sahu, Diksha Thakur,  Panneerselvam Yuvaraj,  Ram Awatar Maurya "BENZO[4,5]THIENO[3,2-D]THIAZOLE-based Donor-Accptor-Donor (D-A-D) compound and a process of preparation thereof",  Indian Patent Application No. 202541133637    

3.  Sivakumar Vaidyanathan, Diksha Thakur, Biswaranjan Sahu, "Chiral TADF emitters for circularly polarized luminescence: a structure-property relationship study for enhanced luminescence dissymmetry factor",  Indian Patent Application No. 202541118083 

Book chapters:

1. Sivakumar Vaidyanathan, P Pradhan, Lanthanide-Based Molecular Thermometers: An Overview, Luminescence: Theory and Applications of Rare Earth Activated Phosphors, 45, 2021, https://doi.org/10.1515/9783110676457-002, © 2021 Walter de Gruyter GmbH, Berlin/Boston  

2. Vaidyanathan Sivakumar, R Marikumar, S Kasturi, Satish Kumar, White Light Emitting Phosphors for Solid State Lighting, Emerging Synthesis Techniques for Luminescent Materials, 150-250, 2018, DOI: 10.4018/978-1-5225-5170-6.ch006,  IGI Global 

3. Sivakumar Vaidyanathan, J Tagare, Phenanthroimidazole-Based Organic Fluorophores for Organic Light-Emitting Diodes: An Overview, Emerging Synthesis Techniques for Luminescent Materials, 305-388, 2018, DOI: 10.4018/978-1-5225-5170-6.ch009,  IGI Global 

4. Vaidyanathan Sivakumar, B Rajamouli, Molecular Designing of Luminescent Europium-Metal Complexes for OLEDs: An Overview, Phosphors, 325-404, 2018, Jenny Stanford Publishing

5. Vaidyanathan Sivakumar, S Kasturi, Eu3+-Based Orange-Red-Emitting Inorganic Color Converters: An Overview, Phosphors. 1, 219-324, 2018, Jenny Stanford Publishing

Submitted papers:

1.     Diksha Thakur, Biswaranjan Sahu, Wijak Yospanya and Reiko Oda,Sivakumar Vaidyanathan,  Impact of Aromatic Ether Substituents on Chiroptical Properties in BINOL-Based Systems"- Submitted.

2.     Md Intekhab Alam, Sivakumar Vaidyanathan, "Dual Acceptor based Molecular design for TADF covering the whole visible spectrum and study of their excited state photophysical phenomenon: A theoretical approach"- Submitted.

3.     Swetha Mardei and Sivakumar Vaidyanathan*, "Excimer and T3 level-Mediated Energy Transfer in Eu(III) complexes for White Light and Sensing Applications", Submitted

4.     Sibani Mund and Sivakumar Vaidyanathan*, Recent Advances and Future Perspectives in Efficient Light Harvesting Organic Antennas based Europium(III) Complexes: Serving as a Boon for Next Generation Technology, Submitted

5.     Bhabana Priyadarshini Debata, Atthapon Saenubol, Vinich Promarak, Sabita Patel, and Sivakumar Vaidyanathan*, Tailored Blue emitting HLCT Architectures for Non-doped Blue OLEDs (CIEy ~0.09), Hybrid White LEDs (CRI ~90), and Vapoluminescence Sensing, Submitted

6.     Priyadarshini Pradhan and Sivakumar Vaidyanathan*, Luminescent Eu(III) Molecular Complexes: Synthesis, Characterization, Photophysical, Theoretical Analysis, and their Versatile Applications, Submitted.

7.     Priyadarshini Pradhan and Sivakumar Vaidyanathan*, "Insights into the Structure and Enhanced Photoluminescence of Non-concentration Quenching Eu3+-activated Narrowband Red-emitting Na5Ln(WO4)4 [Ln = Gd, Y] Multifunctional Materials and Sm3+/Eu3+ Co-doped Deep-red Emitters for Plant Growth Applications", Submitted.

8.     Md Intekhab Alam, Vinod Kumar, Ajay Perumal, Sivakumar Vaidyanathan, "Enhancing ultra-long pure organic room temperature phosphorescence by simple aromatic carbonyl: combined experimental and theoretical investigations"- under revision. 

9. A. B. Kajjam, K. Singh and V. Sivakumar*, Excitation-dependent organic down-converting Imidazo-pyridine based materials for WLEDs: Combined experimental and theoretical investigation, - Journal of Information Display, under revision.

10.  Rajamouli Boddula, Kasturi Singh, and Sivakumar Vaidyanathan*, Designing organic chromophores and studying their excited photophysical properties for EuIII complexes – a theoretical approach, submitted.

11. K. Singh, R. Boddula, A. B Kajjam, M. J. Allen, Sivakumar Vaidyanathan* Effect of N-Conjugation in Imidazo-Bipyridyl Ancillary Ligands and Their Energy-Transfer Impact on Eu(III)–Beta-Diketonate Complexes for White-Light-Emitting Diodes. Submitted.


https://scholar.google.co.in/citations?hl=en&user=LSrFzcAAAAJ&view_op=list_works&sortby=pubdate



In Refereed International Journals: 

1.     Vellaiyan, Sivakumar; Das, Sudipta; Pradhan, Priyadarshini, Sivakumar Vaidyanathan, Orange-Red Emitting Phosphor with Negligible Thermal Quenching for Sustainable Solid-State Lighting, Latent Fingerprint and Plant-Growth Applications, 2026, J. Mater. Chem. C,  Accepted Manuscript,

2.     Prathap Rangasamy, Sandhya Rani Nayak, Bhabana Priyadharshini Debata, Mahesh Kumar Ravva and Sivakumar Vaidhyanathan*, Metal-free Carbazole-Based D-π-A Systems; Substituent-Modulated Acceptor Effects in Deep-Blue HLCT Emitters 2026, J. Mater. Chem. C,  Accepted Manuscript, DOI: 10.1039/D6TC01099G 

3.     Laya Pagadala, Sivakumar Vaidyanathan and Mahesh Kumar Ravva, Rigidifying Donor–Acceptor Frameworks via C–C Interlocking to Modulate Excited-State Dynamics in HLCT Emitters, Mater. Adv., 2026, Accepted Manuscript, DOI: 10.1039/D5MA01318F, (Citation – 0), Impact factor: 5.1 Q1.

4.     Subramaniyam Kalaivanan, Sibani Mund, Gopendra Muduli, Kumar Siddhant, Arushi Rawat, François Réveret, Federico Cisnetti, Osamu Tsutsumi, Sivakumar Vaidyanathan,* and Ganesan Prabusankar, A Copper(I)-Carbene Complex With High Quantum Yield for White Light Emitting Application, Advanced Optical Materials, 2026, 14(11), e03640 DOI:10.1002/adom.202503640 (Citation – 0), Impact factor: 9 Q1.

5.     Swetha Maredi, Rohit B, Takashi Nakanishi, and Sivakumar Vaidyanathana*, Hetero Atom (Nitrogen) replaced by Phenyl Insertion in Molecular Eu-complex Facilitated Sun Light-like Emission for Sustainable White LEDs and Non-Contact Thermometer,
 Inorg. Chem. Front., 2026, doi.org/10.1039/D5QI02371H, (Citation – 0), Impact factor: 6.4 Q1.

6.     Bhabana Debata,   Khitisruta Nayak,   Manjit Dehury,   Sabita Patel  and  Sivakumar Vaidyanathana*, HLCT/HLCT-AIE-Enabled Donor-Acceptor System through Locking and Unlocking Strategy and Its Versatile Applications, J. Mater. Chem. C, 2026, -----doi.org/10.1039/D5TC03639A, (Citation – 0), Impact factor: 5.1 Q1,

7.     Diksha Thakur, Biswaranjan Sahu, Wijak Yospanya, Reiko Oda, Sivakumar Vaidyanathana*, Linkage Isomers and Their Enantiomeric Siblings as CPL-TADF Emitters: Modulating Chirality and Enhancing Dissymmetry Factor Through N- and O-Linked Carbazoles, J. Mater. Chem. C, 2026,---- accepted for publication, (Citation – 0), Impact factor: 5.1 Q1,

8.     Bhabana Priyadarshini Debata, Sabita Patel, and Sivakumar Vaidyanathan*, Fluorophores with Imidazole Building Blocks and Their Multifunctional Platforms for Optoelectronics, Chemo-Sensing, and Security Applications: Recent Advances and Future Perspectives, J. Mater. Chem. C, 2026,---- accepted for publication, (Citation – 0), Impact factor: 5.1 Q1,

9.     Diksha Thakur, Biswaranjan Sahu, Prathap R, Pradyumna Sahoo, Mahesh Kumar Ravva, Sabita Patel, and Sivakumar Vaidyanathana*, Molecular Design and Synthetic Pathways for Chiral/Achiral TADF and HLCT Emitters in Near Infrared Region: Recent Progress and Future Perspective, J. Mater. Chem. C, 2026, ---accepted for publications, (Citation – 0), Impact factor: 5.1 Q1,

10.  Vara Prasad Rebaka, Samatha Devineni, Swetha Maredi, Sandhya Rani Nayak, Sivakumar Vaidyanathana*, Engineering Ligand Spatial Arrangement Enabled Broad-Spectrum White Light Emission mimicking sunlight from Donor-Acceptor Europium(III) Complexes, J. Mater. Chem. C, 2026, 14, 4007-4021  DOI: 10.1039/D5TC03293H (Citation – 0), Impact factor: 5.1 Q1,

11.  Kesavan, H. Lee, Shahnawaz, S.Swyamprabha, D. Tavgeniene, D. Blazevicius, G. Krucaite, J. Jayachandran, S.R.Nayak, Sivakumar Vaidyanathan, S. Grigalevicius, Jwo-Huei Jou,”Solution Processable Fluorene-Based Hole Transporting Materials for High-Efficiency OLEDs” Synthetic Metals, 314, 2025, 117921, (Citation – 1), Impact factor: 4.6 Q1

12.  S Mund, K Singh, R. Devi, U. Subuddhi, Sivakumar Vaidyanathan*, Modulating Triplet States in Light‐Harvesting Antennas: Multicolor (Including White) Emission from Molecular Europium Complex Siblings, Chemistry - An Asian Journal, 2025, e00830, https://doi.org/10.1002/asia.202500830 (Citation – 0), Impact factor: 3.3 Q2

13.  P Sharma, JP Madda, Sivakumar Vaidyanathan*, Synthesis and optical properties of LiCaY (MoO4)3:Eu3+ red phosphor with negligible concentration quenching for highly efficient white LED and plant growth applications, Dalton Trans., 2025, 54, 14868-14881DOI: 10.1039/D5DT01050K, (Citation – 1), Impact factor: 3.3 Q1

14.  S Maredi, SR Nayak, MI Alam, D Thakur, Sivakumar Vaidyanathan*, “Broad-band Emissive Phenanthroimidazole-based Donor-Acceptor Luminogens for Hybrid White Light Emitting Diodes and Sensors for Picric acid detection”, J. Mater. Chem. C, 2025, 13, 14385 – 14403, DOI: 10.1039/D5TC00780A (Citation – 7), Impact factor: 5.1 Q1

15.  R. Devi, K Singh, S Mund, S Devineni, Sivakumar Vaidyanathan*, ‘Efficient Narrow Band Pure Red Emitting Molecular Europium Complexes for White Light-Emitting Diodes and Anticounterfeiting Applications’, J. Mater. Chem. C, 2025,13, 15519-15531, DOI: 10.1039/D5TC00861A, (Citation – 4), Impact factor: 5.1 Q1

16.  Bhabana Debata, J Dash, Sabita Patel, and Sivakumar Vaidyanathan*, “HLCT-AIE active Deep Blue Fluorophores and their versatile applications: A Multifunctional Approach for Advanced White LED Materials, Picric Acid Sensing and Fingerprint Visualization”, J. Mater. Chem. C, 2025, 13, 14385-14403, DOI: 10.1039/D5TC01672J. (Citation – 9), Impact factor: 5.1 Q1

17.  Snigdhamayee Rana, Sandhya Rani Nayak, Atthapon Saenubol, Vinich Promarak, Sabita Patel, Sivakumar Vaidyanthan* "Synergistic enhancement of Non-doped OLED efficiency with EQE ⁓ 15% in donor-π-acceptor based blue emitters featuring combined AIE-HLCT characteristics", Advanced Functional Materials, 2025, 35(42), 2507011, https://doi.org/10.1002/adfm.202507011, (Citation – 21), Impact factor: 18.5 Q1

18.  Diksha Thakur, Sivakumar Vaidyanathan*, Chiral Lanthanide Complexes in the History of Circularly Polarized Luminescence: A Brief Summary, J. Mater. Chem. C, , 2025, 13, 9410 – 9452, https://doi.org/10.1039/D5TC00097A (Review Article), From the themed collection: Journal of Materials Chemistry C Recent Review Articles (Citation – 17), Impact factor: 5.700 Q1

19.  Bhabana Priyadarshini Debata, S. Patel and Sivakumar Vaidyanathan*, Imidazo[1,5-a]pyridine-benzilimidazole conjugated (donor-p-acceptor) greenish-yellow fluorophores and their applications in white light-emitting diodes, acidochromism and anticounterfeiting, J. Mater. Chem. C, 2025, 13, 10413-10433DOI: 10.1039/D5TC01152C, (Citation – 15), Impact factor: 5.700 Q1

20.  Swetha Maredi, Diksha Thakur, Dhruba Jyoti Boruah, Sandhya Rani Nayak, Panneerselvam Yuvaraj, and Sivakumar Vaidyanathan*, "HLCT Driven Twisted Benzo[d]thiazole Based D–A–D Fluorophores for High-Performance, Two-Component White LEDs" Chem Asian Journal, 2025, 20(12), e202500152 (Citation – 1), Impact factor: 3.3 Q1

21.  Amit Kumar Mahto, Joyoti Ghosh, Priyadarshini Pradhan, Moloy Sarkar, Sivakumar Vaidyanathan, Rajeev Ramanan, Jaya Prakash Madda, Fluorescence Enhancement in a Tri(biphenyl-4-yl)amine Derivative via Solid-State Grinding with Metal Salts: Chemosensing and White Light-Emitting Diode Applications, ChemPhotoChem, 2025, 9(6), e202500021, https://doi.org/10.1002/cptc.202500021 (Citation – 3), Impact factor: 3.00 Q1

22.  Priyadarshini Pradhan and Sivakumar Vaidyanathan*, “Highly efficient red/orange-red emitting Eu3+ and Sm3+/Eu3+ co-doped phosphors with their versatile applications” -         Dalton Trans., 2025,54, 6060-6080, DOI: 10.1039/D5DT00004A, (appeared in back cover page)(Citation – 10), Impact factor: 4.569 Q1

23.  Bhabana Priyadarshini Debata, M. D. Thiyagarajan, Prathap R, J. D. Girase, S. Kulathu Iyer, S. Patel and Sivakumar Vaidyanathan*, Benzil-imidazole Blue Fluorophores and their applications in Blue/White Light-Emitting Diodes, Sensing and Anticounterfeiting, J. Mater. Chem. C, 2025, 13, 2711 – 2731, https://doi.org/10.1039/D4TC04661G  (Citation – 11), Impact factor: 5.700 Q1

24.  Sibani Mund, K. Singh and Sivakumar Vaidyanathan*, "High-performance white light-emitting diodes based on Efficient Trivalent Europium molecular complex", J. Mater. Chem. C, 2024,12, 18401-18415, (Citation – 5), Impact factor: 5.700 Q1

25.  Md Inekab Alam, Mangey Ram Nagar, Jwo-Huei Jou and Sivakumar Vaidyanathan*, "Twisted Acceptor Core Molecular Design with Phenoxazine and Phenothiazine Donors Enabled Yellow TADF Emitter/Sensitizers for Long-lifetime Solution-processed OLEDs Exceeding a 31% EQE". Chem. Mater. 2024, 36, 18, 8649–8662, Dedicated to Professor. U. V. Varadaraju on the occasion of her 70th Birthday, (Invited article, part of The Chemical Research Society of India (CRSI) celebrated its 25th anniversary in 2024), (Citation – 11), Impact factor: 7.2 Q1.

26.  S. Mund, K. Singh, Deepak, Anju Babu, U. Subuddhi and Sivakumar Vaidyanathan*, "Unveiling the versatility of Coumarin Integrated with Phenanthroline/Thiabendazole based EuIII complexes for smart LEDs, Vapoluminescence, and Bioimaging applications”, - ACS Appl. Bio Mater. 2024, 7, 9, 5795–5809, DOI: 10.1021/acsabm.4c00839, (Invited article, part of The Chemical Research Society of India (CRSI) celebrated its 25th anniversary in 2024), Dedicated to Professor A. K. Mishra on the occasion of her 65th Birthday, (Citation – 5), Impact factor: 4.7, Q1

27.  S. Rana, Sivakumar Vaidyanthan* and S. Patel, Aggregation Induced Emission (AIE) based Donor-π-acceptor Fluorophores: An approach to fabricate acidochromic sensors and white light-emitting diodes, DOI: 10.1039/D4TC02617A, J. Mater. Chem. C, 2024,12, 14148-14164, (Citation – 15), Impact factor: 5.700 Q1

28.  Diksha Thakur, Sivakumar Vaidyanathan*, Chirality Inducing Units in Organic TADF Molecules: A Way to Circularly Polarized Luminescence, J. Mater. Chem. C, 2024, 12, 13168-13229, DOI: 10.1039/D4TC01923G (Review Article), (Citation – 15), Impact factor: 5.700 Q1

29.  Alam, Md Intekhab; Nagar, Mangey Ram; D. Barman, P. K. Iyer, Jou, Jwo-Huei; Vaidyanathan, Sivakumar*, "Tailoring the structural rigidity utilizing lock/unlock donor strategy for highly efficient Solution processed Blue and Green HLCT OLEDs" – J. Mater. Chem. C, 2024, 12, 13585-13595, https://doi.org/10.1039/D4TC00417E, (Citation – 19), Impact factor: 5.700 Q1

30.  Swetha Maredi, Sibani Mund, Sandhya Rani Nayak, Samatha Devineni , Subrahmanyam C, Vaidyanathan Sivakumar*, White Light Emissive Eu(III) Complexes through Ligand Engineering and their Applications in Cool Near Ultraviolet White Light Emitting Diodes and Thermometer, Chemphyschem, 2024, 25(16), e202400320, doi: 10.1002/cphc.202400320, Invited article. (Citation – 10), Impact factor: 2.2 Q2, Dedicated to Professor Archita Patnaik on the occasion of her 65th Birthday

31.  Bhabana Priyadarshini Debata, Jwo-Huei Jou, Sabita Patel and Sivakumar Vaidyanathan*, The design and synthesis of 1-phenylimidazo[1,5-a]pyridine – anthracene based  fluorophore for greenish-yellow organic light emitting diode and warm white LED, - Journal of Information Display, 2024, 25(4), 319-331 DOI:10.1080/15980316.2024.2304869 (Citation – 0), Impact factor: 3.4 Q1

32.  Snigdhamayee Rana, Sandhya Rani Nayak, Sabita Patel and Sivakumar Vaidyanathan*, “Efficiency Boost in Non-Doped Blue Organic Light Emitting Diodes: Harnessing Aggregation-Induced Emission - A Comprehensive Review” - J. Mater. Chem. C, 2024, 12, 765-818, DOI: 10.1039/D3TC03449F, (Citation – 48), Impact factor: 5.1, Q1

33.  Sandeep Kumawat, Sunidhi Singh, Tharun Bhatt, Anjali Maurya, Sivakumar Vaidyanathan, Kishore Natte, and Jagadeesh Rajenahally, Valorization of Bio-Renewable Glycerol by Catalytic Amination Reactions, (Critical Review) - Green Chem., 2024, 26, 3021-3038, DOI: 10.1039/D3GC02699J (Citation – 20), Impact factor: 9.2, Q1

34.  Gobinath Marappan, Abdul Kaium Mia, Kishore Puspharaj, Sivakumar Vaidyanathan, Yoshiyuki Kawazoe, Yuvaraj Sivalingam, Velappa Jayaraman Surya, “Response to VOCs Stimuli by Triphenylamine Derivatives Functionalized Zinc Oxide Nanorods: A Promising Material for Food Freshness Monitoring” - Surfaces and Interfaces., 2024, 103648 DOI: doi.org/10.1016/j.surfin.2023.103648, (Citation – 10), Impact factor: 6.4, Q1

35.  Priyansha Sharma, Jaya Prakash Madda and Sivakumar Vaidyanathan*, “Narrow band dazzling red emitting (LiCaLa(MoO4)3:Eu3+) phosphor with scheelite structure for Hybrid White LEDs and LiCaLa(MoO4)3:Sm3+, Eu3+ Based Deep-Red LEDs for Plant Growth Applications” - Dalton Trans., 2023, 52, 15043-15056, DOI: 10.1039/D3DT02716C, (Citation – 24), Impact factor: 4.569 Q1

36.  Kasturi Singh, P. Pradhan, Savita Priya, S. Mund and Sivakumar Vaidyanathan*, “Recent progress in Trivalent Europium (Eu3+) based Inorganic phosphors for solid-state lightings – An Overview” – Dalton Trans., 2023, 52, 13027-13057, DOI: 10.1039/D3DT00303E  (Citation – 60), Impact Factor: 4.569 (Invited Perspective article). Q1

37.  Jaipal Devesing Girase, S Singh, BP Debata, SR Nayak, Mangey Ram Nagar, Jwo-Huei Jou, S. Patel and Sivakumar Vaidyanathan* “Structural Engineering of Deep-Blue Emitters (Imidazoles Integrated with Triphenylamine) Leads to EQE> 6% and High Color Purity (CIEy∼ 0.09) for Solution-Processed OLEDs” - J. Phys. Chem. C, 2023, 127, 33, 16623–16635 DOI: org/10.1021/acs.jpcc.3c03058. (Citation – 13), Impact factor: 3.2 Q1

38.  Sandhya Rani Nayak, Jaipal Devesing Girase, Mangey Ram Nagar, Jwo-Huei Jou, Sivakumar Vaidyanathan*, "Solution Processable Deep-blue OLEDs Based On Benzimidazole-TPA Conjugated Through 9,9-diethyl fluorene (D-π-A) Luminophore With A Hybridized Local And Charge Transfer Excited State", - J. Phys. Chem. C 2023, 127, 21, 10291–10302. DOI: org/10.1021/acs.jpcc.3c00790, (Citation – 22), Impact factor: 3.2 Q1

39.  Sivakumar Vaidyanathan*, “Recent Progress on Lanthanide-based long persistent phosphors: An Overview” – J. Mater. Chem. C, 2023. DOI: 10.1039/D2TC05243A, 11, 8649-8687, This article is part of the themed collection: Journal of Materials Chemistry C Recent Review Articles (Citation – 60), Impact factor: 8.067 Q1

40.  Sandhya Rani Nayak, Luke The, Md Intekhab Alam, Mangey Ram Nagar, Jwo-Huei Jou, Sabita Patel, Sivakumar Vaidyanathan*, "Molecular Modulation by Sigma Conjugated Spacer Enables Efficient Ultraviolet/Deep-blue Emissive Organic Light-Emitting Diodes" - J. Phys. Chem. C, 2023, 127, 7, 3849–3860. DOI: org/10.1021/acs.jpcc.2c08679, (Citation – 3), Impact factor: 3.2 Q1

41.  Sandhya Rani Nayak, Sabita Patel, and Sivakumar Vaidyanathan*, “Imidazole-based fluorescent probes: Concomitant effects of N1 substitution and lone pair on selective recognition of Picric Acid” - New J. Chem, 2023, 47, 3524 - 3534 DOI: 10.1039/D2NJ06079E. (Citation – 13), Impact factor: 2.5 Q2

42.  Sandhya Rani Nayak, Shahnawaz, Iram Siddique, Jwo-Huei Jou, sabita Patel, and Sivakumar Vaidyanathan*, “Multifunctional 4,5-Diphenyl-1H-imidazole-Based Luminogens as Near UV/Deep Blue Emitters/Hosts for Organic Light-Emitting Diodes and Selective Picric Acid Detection”-  J. Phys. Chem. C, 2023, 127, 1, 499–515 (Published as part of The Journal of Physical Chemistry virtual special issue “Early-Career and Emerging Researchers in Physical Chemistry Volume 2) DOI: org/10.1021/acs.jpcc.2c05220, (Citation – 15), Impact factor: 4.177 Q1

43.  Sujith Sudheendran Swyam prabha, Kiran Kishore Kesavan, Iram Siddiqui Dovydas Blazevicius, Jayakumar Jayachandran, Marius Eidimtas, Sandhya Rani Nayak, Mangey Ram Nagar, Rohit Ashok Kumar Yadav GintareKrucaite, Sivakumar Vaidyanathan, Saulius Grigalevicius, Jwo-Huei Jou, “Novel carbazole host materials for solution processed TADF Organic Light Emitting Diodes” - Dyes and Pigments, 2022, 208, 110821, DOI: org/10.1016/j.dyepig.2022.110821, (Citation – 9), Impact factor: 4.2 Q1

44.  Priyadarshini Pradhan, Kasturi Singh, P. Saradhi Maram and Sivakumar Vaidyanathan*, “Oxide-based red emitting phosphors with high color purity and their versatile applications: synthesis, structure, and luminescence properties” - ACS Appl. Opt. Mater, 2022, DOI: org/10.1021/acsaom.2c00022  (Citation – 22), Impact factor: N/A, Q1

45.  Sandhya Rani Nayak, Iram Siddique, Shahnawaz, Jwo-Huei Jou, and Sivakumar Vaidyanathan*, “Diphenyl-imidazole based fluorophores for explosive chemosensors and serves as efficient host materials for green Phosphorescent Organic Light Emitting Diodes” - ACS Appl. Opt. Mater. 2023, 1, 1, 132–146, DOI: org/10.1021/acsaom.2c00012. (Citation – 4), Impact factor: N/A, Q1

46.  Girase , Jaipal Devesing ; Kajjam, Aravind; Dubey, Deepak; Kishore Kesavan, Kiran; Jou, Jwo-Huei; Vaidyanathan, Sivakumar*, “Unipolar 1-phenylimidazo[1,5-a]pyridine: A new class of ultra-bright sky blue emitters for solution-processed organic light emitting diodes” - New J. Chem., 2022, 46, 16717-16729, DOI:10.1039/D2NJ01938H, Advanced Article (chosen for back cover). (Citation – 11), Impact factor: 3.925 Q2

47.  Jaipal Devesing Girase, Mangey Ram Nagar, Shahnawaz, A. Choudhry, Jwo-Huei Jou and Sivakumar Vaidyanathan*, “Highly Efficient Multifunctional luminogens for Near UV/Deep Blue (CIEy 0.02) and Hybrid White OLEDs (CIE~0.33, 0.37) with Superior Color Stability” – ACS Appl. Elec. Mater 2022, 4, 9, 4368–4382 DOI: org/10.1021/acsaelm.2c00648. (Citation – 9), Impact factor: 4.494 Q1

48.  Jaipal Devesing Girase, Shahnawaz, Jwo-Huei Jou, Sabita Patel and Sivakumar Vaidyanathan*, “Solution-processed deep-blue fluorophores based on phenanthroimidazole integrated with benzimidazole with HLCT character for efficient deep-blue organic light emitting devices” -  Dyes and Pigments, 2022, 206, 110623  DOI: org/10.1016/j.dyepig.2022.110623. (Citation – 25), Impact factor: 5.122 Q1

49.  Sibani Mund, K. Singh, M. Panda, B. Biswal, U. Subuddhi and Sivakumar Vaidyanathan*" “Thiabendazole: a new class of antenna core structure for multifunctional trivalent organo-europium (EuIII) complexes " - J. Mater. Chem. C, 2022, 10, 10645 – 10659, Advance Article, DOI: org/10.1039/D2TC01078J,  (Citation – 12), Impact factor: 8.067 Q1

50.  Md Intekhab Alam, Mangey Ram Nagar, Sandhya Rani Nayak, A. Choudhry, Jwo-Huei Jou and Sivakumar Vaidyanathan*, "Acceptor Interlocked Molecular Design for Solution-Processed Stable Deep-Blue TADF and Hyper Fluorescence Organic LED Enabling High-efficiency" -  Adv. Opt. Mater., 2022, 10 (18), 2200376. DOI: org/10.1002/adom.202200376. (Citation – 28), Impact factor: 10.05 Q1

51.  Kasturi Singh, and Sivakumar Vaidyanathan* “Stable and efficient narrow band red emitters with high colour purity for white LEDs and plant growth applications” -  Dalton Transactions, 2022, DOI: 10.1039/D2DT01042A, (appeared on back cover) (Citation – 16), Impact factor: 4.569 Q1

52.  Jaipal Devesing Girase, Shahnawaz, Jwo-Huei Jou and Sivakumar Vaidyanathan*, “Deep-blue Fluorophores Based on Phenanthroimidazole Integrated with Benzo[d]thiazole: Experimental and Theoretical Investigation” -  Chemistryselect, 2022, DOI: 10.1002/slct.202201514. (Citation – 24), Impact factor: 2.307 Q2

53.  Jaipal Devesing Girase, Shahnawaz, Mangey Ram Nagar, Jayakumar J, Jwo-Huei Jou and Sivakumar Vaidyanathan*, “New deep blue fluorophores based on benzo[d]thiazole group as acceptor core: Theoretical, Synthesis, Photophysical and Electroluminescent Investigation” – J. Lumin., 2022 248, 118992, 2022 DOI: org/10.1016/j.jlumin.2022.118992, (Citation – 13), Impact factor: 3.280  Q2.

54.  Jaipal Devesing Girase,  Sushmita Mukharjee, Tanwiastha C,  Sabita Patel, Ajay Perumal and Sivakumar Vaidyanathan*, “Mild donor-p-mild acceptor (mD-p-mA) benzimidazole based deep blue fluorophores with hybridized local and charge transfer (HLCT) excited states for OLEDs” - Journal of Information Display, 2022, 23 (3), 221-234, DOI: org/10.1080/15980316.2022.2075042. (Citation – 20), Impact factor: 4.171 Q1

55.  Sibani Mund, and Sivakumar Vaidyanathan*, "New Isomeric ancillary ligand and their EuIII complexes: A single component white light emissive phosphor and their applications in Red/White smart LEDs, Electronic Noses and Temperature sensing" -                  J. Mater. Chem. C, 2022, 10 (18), 7201-7215, DOI: org/10.1039/D2TC00664B. (Citation – 19) Impact factor: 8.067 Q1

56.  Kasturi Singh, Marikumar Rajendran, Rachna Devi and Sivakumar Vaidyanathan* “Narrow band red emitting phosphors with high color purity, trifling thermal and concentration quenching for hybrid white LEDs and Li3Y3BaSr­(MoO4)8 :Sm3+, Eu3+ based deep-red LEDs for plant growth applications” - ACS Inorg. Chem., 2022, 61 (6), 2768 - 2782, DOI: 10.1021/acs.inorgchem.1c02836. (Citation – 87) Impact Factor: 5.436 Q1

57.  Jaipal Devesing Girase,  Jairam Tagare, Sushmita Mukharjee, Tanwiastha,  Ajay Perumal and Sivakumar Vaidyanathan*, “Efficient deep blue (CIE ~0.08) flourophore based on benzimidazole with hybridized local and charge transfer (HLCT) excited state for OLEDs”, - Journal of Information Display, 2023, 23 (2), 151-162. DOI: org/10.1080/15980316.2022.2029592 (Citation – 9) Impact Factor: 4.237 Q1

58.  Priyadarshini Pradhan, Savita Priya, Marikumar Rajendran, Kasturi Singh and Sivakumar Vaidyanathan*, “Efficient and ultra-thermally stable Eu3+ and Sm3+ activated narrow band red/deep red emitting phosphors and their versatile applications” - Dalton Trans, 2022, 51 (2) 715-730.  DOI:10.1039/D1DT04036G (chosen for back cover page). (Citation – 29), Impact Factor: 4.569 Q1.

59.  Jairam Tagare, A. B. Kajjam, Kasturi Singh, Sabita Patel and Sivakumar Vaidyanathan*, “Acenaphthene-Triphenylamine (acceptor – donor) based luminophores for organic light emitting diodes: combined experimental and theoretical study” – Materials Advances – 2022, 3 (1), 399-408. DOI: 10.1039/D1MA00583A. From the themed collection: Editor’s Choice: Malika Jeffries-EL(Citation – 8), Impact Factor: 5.36 Q1

60.  R. Marikumar, R Devi, S. Mund, K. Singh and Sivakumar Vaidyanathan*, “Energy transfer cooperation between ligands and EuIII ion in molecular europium complexes for vapoluminescence sensor (reversible on/off emission switching) and hybrid white LEDs” - J. Mater. Chem. C, 2021, 9 (42), 15034-15046. DOI: 10.1039/D1TC02363B. (This article is part of the themed collection: J. Mater. Chem. C HOT Papers). Citation – 22) Impact factor: 8.067 Q1

61.  Jaipal Devesing Girase, Jairam Tagare, Shahnawaz, Mangey Ram Nagar, Iram Siddique, Jwo-Huei Jou, Sabita Patel and Sivakumar Vaidyanathan*, “Deep-blue emitters (CIEy ~0.07) based on phenanthroimidazole: Remarkable substitution effects at the N1 position of imidazole on the excited states and electroluminescence properties” - Dyes and Pigments, 2021, 196, 109791. DOI: 10.1016/j.dyepig.2021.109791. (Citation – 24) Impact Factor: 5.122 Q1

62.  Jaipal Devesing Girase, Sandhya Rani Nayak, Jairam Tagare, Shahnawaz, Mangey Ram Nagar, Jwo-Huei Jou, and Sivakumar Vaidyanathan* “Solution processed deep-blue (y~0.06) fluorophores based on Triphenylamine-Imidazole (Donor-Acceptor) for OLEDs: Computational and experimental exploration” - Journal of Information Display, 2022, 23 (1), 53-67. DOI: 10.1080/15980316.2021.1959429. (Citation – 0) Impact Factor: 4.237 Q1

63.  A. B. Kajjam, Kasturi Singh, R. V. Varun Tej, and Sivakumar Vaidyanathan*, “Carbazole-Acenaphthene (Donor-Acceptor) based luminophores for picric acid detection: a combined experimental and theoretical study” - Materials Advances, 2021, 2 (15), 5236- 5247. DOI: org/10.1039/D1MA00445J, (Citation – 16), Impact factor: NA Q1

64.  Rachna Devi, R. Marikumar, K. Singh, Raksha Pal, Sivakumar Vaidyanathan*, "Smart luminescent Molecular Europium complexes and their versatile applications" - J. Mater. Chem. C, 2021, 9 (20), 6618-6633, DOI: org/10.1039/D1TC01049B, (Citation – 44), Impact factor: 8.067 Q1

65.  Jairam Tagare, Rohit Ashok Kumar Yadav, Sujith Sudheendran Swayamprabha, Deepak Kumar Dubey, Jwo-Huei Jou and Sivakumar Vaidyanathan, “Solution Processed Deep-blue with CIEy∈ (0.05) and Pure-white CIEx,y∈ (0.34, 0.32) Organic Light-emitting Diodes: Experimental and Theoretical Investigation” -  J. Mater. Chem. C, 2021, 9 (14), 4935-4947 DOI: org/10.1039/D1TC00228G,  (Citation – 32), Impact factor: 8.067 Q1

66.  S. Kasturi and Sivakumar Vaidyanathan*, “Novel narrow band red emitters based on mixed metal oxides and their application in hybrid white LEDs” - Luminescence, 2021, 36 (3), 576-587, DOI:10.1002/bio.3975 (Citation – 7), Impact factor: 2.613 Q2

67.  S. Kasturi, R. Marikumar, Rachna Devi and Sivakumar Vaidyanathan*, “Narrow band red emitting phosphor with negligible concentration quenching for hybrid white LEDs and plant growth applications" - Dalton Trans., 2020, 50 (14), 4986-5000. DOI:  10.1039/D1DT00449B  (chosen for cover page). (Citation – 54), Impact factor: 4.39 Q1.

68.  Rajamouli Boddula, T. Jairam, Kasturi Singh and Sivakumar Vaidyanathan*, "White light emissive Europium complex and their versatile applications" - Mater. Chem. Front., 2021, 5 (7), 3159-3175 DOI: 10.1039/D1QM00083G, (Citation – 39), Impact factor: 6.059 Q1.

69.  A. B Kajjam, Sivakumar Vaidyanathan*, “Acenaphthene-imidazole based red-to-NIR “Emissive Homoleptic and Heteroleptic Ir(III) complexes for OLEDs: combined experimental and theoretical approach” - Inorganica Chimica Acta, 519, 120268, 2021, DOI: 10.1016/j.ica.2021.120268,  (Citation – 9), Impact factor: 3.118, Q2

70.  Rachna Devi, R. Boddula, K. Singh, Satendra kumar and Sivakumar Vaidyanathan, “New Europium complexes and their use in red light emitting diode and vapoluminescent sensor” - Journal of Information Display, 2021, 22 (3), 137-151, DOI: 10.1080/15980316.2021.1879960, 2021. (Citation – 23), Impact factor: 4.237 Q1.

71.  Jairam Tagare, Rajamouli Boddula, Rohit Ashok Kumar Yadav, Deepak Kumar Dubey, Jwo-Huei Jou, Sabita Patel and Sivakumar Vaidyanathan*, “Novel Imidazole-Alkyl Spacer-Carbazole based Fluorophores for Deep-Blue Organic Light Emitting Diodes: Experimental and Theoretical Investigation” - Dyes and Pigments, 2021, 185, 108853, DOI: 10.1016/j.dyepig.2020.108853, (Citation – 38), Impact factor: 5.122 Q1.

72.  R Devi, K Singh, Sivakumar Vaidyanathan*, “Synergy in energy transfer between ligand and EuIII ion in molecular Europium complex: a single-component white light emissive luminogens” - J. Mater. Chem. C, 2020, 8 (25), 8643-8653, DOI: 10.1039/D0TC01360A. (Citation – 58), Impact factor: 8.067 Q1.

73.  Jairam Tagare, Rajamouli Boddula, S. S. Swayamprabha, Deepak Kumar Dubey, Jwo-Huei Jou, Sabita Patel and Sivakumar Vaidyanathan*, “Efficient near ultraviolet emissive (CIEy<0.06) Organic Light-Emitting Diodes based on Phenanthroimidazole-Alkyl spacer-Carbazole fluorophores: Experimental and Theoretical investigation” - J. Mater. Chem. C, 2020, 8(47), 16834-16844, DOI: 10.1039/D0TC03720F (Citation – 33), Impact factor: 8.067 Q1.

74.  R. Marikumar, Kasturi Singh, V. Sivakumar*, “A novel Sm3+ activated Li3BaSrLn3(MO4)8 [Ln = La Gd and Y; M = Mo and W] deep red emitting phosphors for plant cultivation and LEDs” - Journal of Information Display, 2021, 22 (2), 63-81. DOI: 10.1080/15980316.2020.1831630,  (Citation – 15), Impact factor: 4.237 Q1.

75.  Rachna Devi, Rajamouli Boddula, Tagare Jairam, Kajjam Aravind;, Kasturi Singh, Sivakumar Vaidyanathan*, “” - J. Mater. Chem. C, 2020, 8 (34), 11715 – 11726 White emissive europium complex with CRI 95%: Butterfly Vs triangle structure, https://doi.org/10.1039/D0TC02724C (This article is part of the themed collection: Journal of Materials Chemistry C HOT Papers). (Citation – 48), Impact factor: 8.067 Q1.

76.  R Marikumar, Sivakumar Vaidyanathan, “Systematic investigation of Eu3+ activated Na2Ln4(MoO4)7 [Ln = La, Gd and Y] narrow band red emitting phosphors for hybrid white LEDs and plant growth” -  New J. Chem., 2020, 44 (35), 14823-14836. DOI: 10.1039/D0NJ03766D (appeared in cover page). (Citation – 53), Impact factor: 3.925 Q2.

77.  T. Jairam, N. Verma, K. Tarafder and V. Sivakumar*, "Phenanthroimidazole-based chromophores for organic light-emitting diodes: synthesis, photophysical, and theoretical study"-  Luminescence, 2020, 8 (35), 1338- 1349. DOI: 10.1002/bio.3896. (Citation – 6), Impact factor: 4.171 Q2.

78.  Jairam Tagare,  D. K. Dubey, R. A. K. Yadav, J. H. Jou and Sivakumar Vaidyanathan*, “Triphenylamine-imidazole based luminophores for deep-blue (CIEy≈0.06) organic light emitting diodes: Experimental and theoretical investigation” - Materials Advances, 2020, 1 (4), 666-679, DOI: 10.1039/D0MA00007H. (Citation – 47), Impact factor: NA. This article is part of the themed collection: Fluorescent and Luminescent Materials. From the themed collection: Celebrating Materials Science in India Q1

79.  R Marikumar, Sivakumar Vaidyanathan*, “Zero-concentration quenching: A Novel Eu3+ based red phosphor with Non-layered crystal structure for white LEDs and NaSrY(MoO4)3:Sm3+ based deep-red LEDs for plant growth” Dalton Trans., 2020, 49 (46), 9239-9253. DOI: 10.1039/D0DT01517B (chosen for cover page and highlighted as a HOT articles). (Citation – 104), Impact factor: 4.569 Q1.

80.  R. Marikumar and V. Sivakumar*, "A novel high efficient host-sensitized red emitting (Ba2YV3O11:Eu3+) phosphor for hybrid white LEDs" - ChemistrySelect, 2020, 5(17), 5128-5136. DOI: 10.1002/slct.202000601, (Citation – 27), Impact factor: 2.307. Q2

81.  Rachna Devi and V. Sivakumar*, “Narrow band red emitting Europium complexes and their application in smart white LEDs and Vapoluminescent Sensors” - Dalton Trans., 2020, 49 (19), 6205-6219, DOI: 10.1039/D0DT00519C,  (Citation – 58), Impact factor: 4.569 (chosen for cover page and highlighted) Q1

82.  R. Marikumar and V. Sivakumar*, “High performance red/deep-red emitting phosphors for white LEDs” - New J. Chem., 2020, 44 (14), 5354-5365, DOI:10.1039/D0NJ00086H, (Citation – 64), Impact factor: 3.925 Q2

83.  Deepak Kumar Dubey, Gintare Krucaite, Sujith Sudheendran Swayamprabha, Rohit Ashok KumarYadav, DovydasBlazevicius, JairamTagare, Sudam Chavhan, Tsung-ChiaHsueh, Sivakumar Vaidyanathan*, Saulius Grigalevicius, Jwo-Huei Jou, “Fluorene based amorphous hole transporting materials for solution processed organic light-emitting diodes’ -  Organic Electronics, 2020, 79, 105633, DOI: 10.1016/j.orgel.2020.105633 , (Citation – 28), Impact factor: 3.868. Q2

84.  Marikumar Rajendran, Satish Kumar Samal, SivakumarVaidyanathan*. “A novel self-activated (bluish-green) and Eu3+ doped (red) phosphors for warm white LEDs” - Journal of Alloys and Compounds, 2020, 815 152631. DOI: https://doi.org/10.1016/j.jallcom.2019.152631 . (Citation – 107), Impact factor: 6.371 Q2.

85.  A. B. Kajjam, D. K. Dubey, R. A. Kumar Yadav, J.-H. Jou, V. Sivakumar*, “Tetraphenylimidazole-based luminophores for explosive chemosensors and OLEDs: experimental and theoretical investigation” - Materials Today Chemistry, 2019, 14,  1002012. DOI: https://doi.org/10.1016/j.mtchem.2019.100201 . (Citation – 24), Impact factor: 7.613 Q1.

86.  B. Rajamouli and V. Sivakumar*, “Bi-nuclear luminescent Europium(III) molecular complexes for white light emitting diodes: Experimental and theoretical study” - Inorganica Chimica Acta, 2019, 494, 141-153, DOI: https://doi.org/10.1016/j.ica.2019.05.014, (Citation – 18), Impact factor: 3.118. Q2

87.  T. Jairam,  D. K. Dubey, J. H. Jou and V. Sivakumar, “Near UV/deep blue emissive phenanthroimidazole-alkyl spacer based luminophores for organic light emitting diodes: Experimental and theoretical investigation” -  ChemistrySelect, 2019, 4 (21), 6458 –6468., DOI: http://dx.doi.org/10.1002/slct.201900383, (Citation – 28), Impact factor: 2.307, Q2. 

88.  Marikumar R. and V. Sivakumar*, “New red emitting phosphors NaSrLa(MO4)3: Eu3+ [M = Mo and W] for white LEDs: Synthesis, structural and optical study” - Journal of Alloys and Compounds, 2019, 789, 919-931, DOI: https://doi.org/10.1016/j.jallcom.2019.03.141, (Citation – 95), Impact factor: 6.371 Q2 

89.  T. Jairam,  D. K. Dubey, R. A. K. Yadav, J. H. Jou and V. Sivakumar*, “Synthesis, photophysical, theoretical and electroluminescence study of triphenylamine-imidazole based blue fluorophores for solution-processed organic light emitting diodes” -  Dyes and pigments 160, 944-956 2019, DOI: https://doi.org/10.1016/j.dyepig.2018.09.007 (Citation – 61), Impact factor: 5.122,  Q1

90.  T. Jairam and V. Sivakumar*, “Recent development of phenanthroimidazole based fluorophores for blue Organic Light Emitting Diodes (OLEDs): An overview” – J. Mater. Chem. C, 2018, 6 (38), 10138-10173, DOI: 10.1039/C8TC03689F, (Citation – 291), Impact factor: 8.067. Themed Collections - Journal of Materials Chemistry C top 5% most-read Q4 2018 Q1

 

91.  T. Jairam,  S. S. Swayamprabha, D. K. Dubey, R. A. K. Yadav, J. H. Jou and V. Sivakumar*, “Highly twisted Tetra-N-phenylbenzidine-Phenanthroimidazole based derivatives for blue Organic Light Emitting Diodes: Experimental and Theoretical investigation” - Organic Electronics, 2018, 62, 419-428, DOI: https://doi.org/10.1016/j.orgel.2018.08.022, (Citation – 23), Impact factor: 3.868, Q2

 

92.  S. Kasturi, Marikumar. R and Sivakumar V*, “Trivalent Rare- earth activated hexagonal Lanthanum fluoride (LaF3:RE3+ - RE = Tb, Sm, Dy and Tm) Nanocrystals: Synthesis and optical properties” - Luminescence. 2018, DOI: https://doi.org/10.1002/bio.3488, (Citation – 31), 2018, 33 (5), 897-906. Impact factor: 4.171, Q2

93.  Aravind Babu Kajjam, P Shyam Vinod kumar, V. Subramanian, and V. Sivakumar*, “Triphenylamine based yellowish-orange emitting organic dyes (Donor – π – Acceptor) for hybrid WLEDs and OLEDs: synthesis, characterization and theoretical study” -    Phys. Chem. Chem. Phys, 2018, 20 (6), 4490-4501, DOI: 10.1039/c7cp08670a, (Citation – 42), Impact factor: 3.676 Q2.

94.  Aravind Babu Kajjam, V. Sivakumar*, “Tuning the photophysical properties of heteroleptic Ir(III) complexes through ancillary ligand substitution: Experimental and theoretical investigation” - Journal of Photochemistry and Photobiology A: Chemistry, 2018, 350, 130-141, DOI.org/10.1016/j.jphotochem.2017.09.054, (Citation- 11), Impact factor: 5.141 Q2.

95.  T. Jairam, Hidayath Ulla, M.N. Satyanarayan, V. Sivakumar*, “Efficient non-doped bluish-green organic light emitting devices based on N1 functionalized star-shaped phenanthroimidazole fluorophores” - Journal of Photochemistry and Photobiology A: Chemistry, 2018, 353, 53-64, DOI: 10.1016/j.jphotochem.2017.11.001, (Citation – 35), Impact factor: 5.141 Q2

96.  T. Jairam, Hidayath Ulla, M.N. Satyanarayan, V. Sivakumar*, “Synthesis, Photophysical and Electroluminescence Studies of New Triphenylamine -phenanthroimidazole Based materials for Organic Light Emitting Diodes” – J. Lumin, 2018, 194, 600-609.  DOI; 10.1016/j.jlumin.2017.09.020, (Citation 61), Impact factor: 4.171 Q2

97.  Rajamouli Boddula, S. Kasturi, Giri. S, V. Sivakumar*, “Controlled energy transfer from ligand to Eu(III) ion: A unique strategy to obtain bright white light emission and their versatile applications” - Inorg. Chem., 2017, 56 (17), 10127–10130. DOI, 10.1021/acs.inorgchem.7b01255, (Citation – 63), Impact factor: 5.436 Q1.

98.  Kasturi Singh, Rajamouli Boddula, and Sivakumar Vaidyanathan*, “Versatile Luminescent Europium(III)−β-Diketonate-imidazo-bipyridyl Complexes Intended for White LEDs: A Detailed Photophysical and Theoretical Study” - Inorg. Chem., 2017, 56 (15), 9376–9390, DOI: 10.1021/acs.inorgchem.7b01565, (Citation – 81), Impact factor: 5.436 Q1.

99.  Aravind Babu Kajjam and V. Sivakumar*, “Structural mimics of phenyl pyridine (ppy) - substituted, Phosphorescent Cyclometalated homo and heteroleptic Iridium(III) Complexes for Organic light emitting diodes - An overview”- Chemical Record, 2017, 18 (3), 293-349. DOI: 10.1002/tcr.201700035, (Citation – 69), Impact factor: 6.935 Q2.

100.               Boddula Rajamouli and V. Sivakumar*, “White light emissive bipolar ligand and their EuIII complex for white/red light emitting diodes” - Journal of Photochemistry and Photobiology A: Chemistry 347, 26-40. DOI; 10.1016/j.jphotochem.2017.07.008, (Citation – 40), Impact factor: 5.141 Q2.

101.               Boddula Rajamouli,  Rachna Devi,  Abhijeet Mohanty,  Venkata Krishnan  and  Sivakumar Vaidyanathan*, “Effects of electron-withdrawing groups in imidazole-phenanthroline ligands and their influence on the photophysical properties of EuIII complexes for white light-emitting diodes” – New J. Chem., 2017, 41 (18), 9826 – 9839, DOI: 10.1039/c7nj02291c, (Citation - 27), Impact factor: 3.925 Q2.

102.               T. Jairam, Hidayath Ulla, K. Aravind Babu, M.N. Satyanarayan, V. Sivakumar*. “Star-Shaped Phenanthroimidazole-triphenylamine based yellow organic emitter for organic light emitting diodes” – Chemistryselect, 2017, 2 (8), 2611-2620, DOI: 10.1002/slct.201700056, (Citation – 18), Impact factor: 2.307 Q2.

103.               S. Kasturi and V. Sivakumar*, “Li3BaSrLa3(WO4)8:Eu3+ and Its Solid Solutions : A New Red Emitting Phosphor - Structure, Synthesis and Appraisal of Optical Properties” – ChemistrySelect, 2017, 2 (18), 5143–5156, DOI: 10.1002/slct.201700644, (Citation 22), Impact factor: 2.307 Q2.

104.               B. Rajamouli, C. S. Dwaraka Viswanath, S. Giri, C. K. Jayasankar and V. Sivakumar*, “Carbazole functionalized new bipolar ligand for monochromatic red light emitting Europium(III) complex: combined experimental and theoretical study” – New J. Chem., 2017, 41(8), 3112-3123, DOI: 10.1039/C6NJ03947B, (Citation – 23), Impact factor: 3.925 Q2.

105.               B Rajamouli, V. Sivakumar, “Eu (III) Complexes for LEDs Based on Carbazole‐and Fluorene‐Functionalized Phenanthro‐Imidazole Ancillary Ligands: Detailed Photophysical and Theoretical Study” – ChemistrySelect, 2017, 2 (14), 4138-4149, DOI: 10.1002/slct.201700266, (Citation 13), Impact factor: 2.307. Q2

106.               S. Kasturi and V. Sivakumar*, “Luminescence properties of La2W2−xMoxO9 (x = 0–2): Eu3+ materials and their Judd–Ofelt analysis: novel red line emitting phosphors for pcLEDs” – Mater. Chem. Front., 2017, 1 (3), 550-561. DOI: 10.1039/C6QM00118A, (Citation – 0), Impact factor: 8.683 Q1

107.               K. Aravind Babu, S. Giri, V. Sivakumar*, “Triphenylamine based Donor–π–Acceptor Organic Phosphors: Synthesis, Characterization and Theoretical study” – Mater. Chem. Front., 2017, 1 (3), 512-520. (Chosen as a best work by Editor). DOI: 10.1039/c6qm00031b, (Citation - 49), Impact factor: 8.683 Q1

108.               B. Rajamouli, and V. Sivakumar*, Effect of carbazole functionalization with a spacer moiety in the phenanthroimidazole bipolar ligand in a europium (III) complex on its luminescence properties: combined experimental and theoretical study” – New J. Chem., 2017, 41 (3), 1017-1027, DOI: 10.1039/C6NJ03014A, (Citation - 31), Impact factor: 3.925 Q2.

109.               A. D. J David, GS Muhammad, V Sivakumar, “Synthesis and optical properties of Eu3+‐substituted glaserite‐type orthovanadates CsK2Y[VO4]2” – Luminescence, 2017, 32 (5), 735-744, DOI: 10.1002/bio.3244, (Citation - 39), Impact factor: 2.613, Q1.

 

110.               S. Kasturi, S. Satish Kumar and V.Sivakumar*, “Synthesis and photoluminescence properties of red emitting phosphor La2–xEuxLi0.5Al0.5O4 [x = 0.2–2] with K2NiF4 structure” – Luminescence, 2017, 32 (5), 880-887, DOI: 10.1002/bio.3270, (Citation - 42), Impact factor: 2.613. Q2

111.               S. Kasturi and V. Sivakumar*, “Eu2+ luminescence in Ca3Si2O7 and spectral widening and tuning of Eu2+ emission color (orangish-red to green) by crystal chemical substitution” – RSC Adv., 2016, 6 (101), 98652-98662, DOI: 10.1039/C6RA24258H, (Citation – 0), Impact factor: 4.036 (highlighted in ChemInform Abstract), Q2

112.               S. Kasturi and V. Sivakumar*, “Synthesis and Optical Properties of New Red Emitting Phosphor Li3BaSrGd3-xEux(MO4)8 for White LEDs” – ChemistrySelect, 2016, 1 (17), 5448 -5462, DOI: 10.1002/slct.201601183, (Citation – 39), Impact factor: 2.307, Q2

113.               Suneel Kumar, Rahul Sharma, Vipul Sharma, Gurunarayanan Harith, Vaidyanathan Sivakumar, Venkata Krishnan, “Role of RGO support and irradiation source on the photocatalytic activity of CdS–ZnO semiconductor nanostructures” – Beilstein J. Nanotechnol. 2016, 7, 1684–1697, DOI: 10.3762/bjnano.7.161, (Citation – 54), Impact factor:  3.272, Q3 

114.               B. Rajamouli, P. Sood, S. Giri, V. Krishnan and V. Sivakumar*, “A dual characteristic bidentate ligand for ternary mono nuclear Europium (III) molecular complex: synthesis, photophysical, electrochemical and theoretical study” – Eur. J. Inorg. Chem., 2016, 2016 (24), 3900-3911, DOI: 10.1002/ejic.201600508, (Citation – 38), Impact factor: 2.551, Q2

115.               S. Kasturi, U.V. Varadaraju and V. Sivakumar*, “Synthesis and photoluminescence of Eu(II) in Barium zinc orthosilicate - A Novel green color emitting phosphor for white LEDs” – Luminescence, 2017, 32 (3), 334-340, DOI: 10.1002/bio.3183, (Citation – 2), Impact factor:2.613 Q2

116.               S. Kasturi, D.Y. Jeon and V. Sivakumar*, “Europium-activated rare earth fluoride (LnF3:Eu3+– Ln = La, Gd) nanocrystals prepared by using ionic liquid/NH4F as a fluorine source via hydrothermal synthesis” – Luminescence, 2016, 31(5), 1138-1145, DOI: 10.1002/bio.3083, (Citation – 15), Impact factor:2.613, Q2

117.               A. Duke John David, G. Shakil Muhammad and V. Sivakumar, “Synthesis and photoluminescence properties of Sm3+ substituted glaserite-type orthovanadates K3Y[VO4]2 with monoclinic structure” – J. Lumin., 2016, 177, 104–110, DOI: 10.1016/j.jlumin.2016.04.025, (Citation – 42), Impact factor: 4.171, Q2

Before Joining at NIT Rourkela (2005 – 2011)

118.               V. Sivakumar, Gun Young Hong, Je Seok Kim and D.Y. Jeon., “Novel blue emitting phosphor Sr2.98Eu0.02Al10-xBxSiO2 [x = 0, 0.25, 0.5, 0.75 and 1] for PDP applications” – J. Lumin., 2009, 129 (12), 1632–1636, DOI: 10.1016/j.jlumin.2008.12.021, (Citation – 0), Impact factor: 4.171. Q2

119.               V. Sivakumar and U.V. Varadaraju., “Eu2+, Ce3+ Luminescence and Ce3+/Eu2+ Energy Transfer Studies on Sr2LiSiO4F – A White Light Emitting Phosphor” – J. Electrochem. Soc., 2009, 156 (7), J179 – J184, DOI: 10.1149/1.3122663, (Citation – 76), Impact factor: 4.371.  Q2

120.               Ho Seong Jang, Yu-Ho Won, Sivakumar Vaidyanathan, Dong Hyuk Kim, and Duk Young Jeon, “Emission Band Change of (Sr1−xMx)3SiO5:Eu2+ (M=Ca,  Ba) Phosphor for White Light Sources Using Blue/Near-Ultraviolet LEDs” – J. Electrochem. Soc., 2009, 156 (6), J138 - J142, DOI: 10.1149/1.3106042, (Citation – 98), Impact factor:4.371. Q2

121.               V. Sivakumar and D.Y. Jeon., “A Novel narrow band red emitting phosphor for white light emitting diodes” – Int. J. Appl. Ceram. Technol., 2009, 6(4), 453–458, DOI:10.1111/j.1744-7402.2009.02371.x, (Citation – 40), Impact factor:2.328. Q2

122.               Won Bin Im, Hyoung Sun Yoo, Sivakumar Vaidyanathan, “Ki Hyuk Kwon, Hyung Jun Park, Yong-Il Kim, Duk Young Jeon., A novel blue-emitting silica-coated KBaPO4:Eu2+ phosphor under vacuum ultraviolet and ultraviolet excitation” – Mater. Chem. Phys., 2009, 115(1), 161-164, DOI: 10.1016/j.matchemphys.2008.11.050, (Citation – 79), Impact factor: 4.778. Q2

123.               Hyoung Sun Yoo, Sivakumar Vaidyanathan, Sung Wook Kim, Duk Young Jeon “Synthesis and photoluminescence properties of Yb2+ doped Ba5(PO4)3Cl phosphor for white light-emitting diodes” – Optical Materials, 2009, 31(11), 1555-1558, DOI: 10.1016/j.optmat.2009.02.017, (Citation – 40), Impact factor:3.754. Q3

124.               V. Sivakumar and U.V. Varadaraju., “Synthesis, phase transition and photoluminescence studies on Eu3+-substituted double perovskites—A novel orange-red phosphor for solid-state lighting” – J. Solid State. Chem., 2008, 181 (12), 3344 – 3351, DOI: 10.1016/j.jssc.2008.08.030, (Citation – 148), Impact factor: 3.656 Q2

125.               H. S. Yoo, W. B. Im, V. Sivakumar*, Bong Je Park, and Duk Young Jeon, “Effects of Eu2+ Concentration Variation and Ce3+ Co-doping on Photoluminescence Properties of BaGa2S4:Eu2+ Phosphor” – J. Electrochem. Soc., 2008, 155 (3), J66 – J70, DOI: 10.1149/1.2825303, (Citation – 24), Impact factor: 4.371 Q2

126.               V. Sivakumar and U.V. Varadaraju, “Ce3+/Eu2+ energy transfer studies on BaMgSiO4 – A Green phosphor for three band white LEDs” – J. Electrochem. Soc., 2007, 154 (5), J167 – J171, DOI: 10.1149/1.2714303, (Citation – 53), Impact factor: 4.371. Q2

127.               V. Sivakumar and U.V. Varadaraju., “An Orange – red phosphor under Near UV excitation for white LEDs” – J. Electrochem. Soc., 2007, 154 (1), J28 – J31, DOI: 10.1149/1.2382266, (Citation – 106), Impact factor: 4.371. Q2

128.               V. Sivakumar and U.V. Varadaraju. “A Promising Orange – Red phosphor under Near UV excitation” – Electrochem. Solid-State Lett., 2006, 9(6), H35 - H38, DOI: 10.1149/1.2189155, (Citation – 126), Impact factor: 2.321, Q2

129.               V. Sivakumar and U.V. Varadaraju., “Intense Red Phosphor for white LED based on Blue GaN LEDs” – J. Electrochem. Soc., 2006, 153(3), H54 - H57, DOI: 10.1149/1.2163781, (Citation – 90), Impact factor: 4.371. Q2

130.               V. Sivakumar and U. V. Varadaraju, “A Novel green phosphor for three band white LEDs” – SPIE proc., 2005, 5941, 1 – 9, DOI: 10.1117/12.614299, (Citation – 2), Impact factor: NA

131.               V. Sivakumar and U.V. Varadaraju., “Intense red - emitting phosphors for white LEDs” – J. Electrochem. Soc., 2005, 152(10), H168 - H171, DOI: 10.1149/1.2034515, (Citation – 142), Impact factor: 4.371. Q2

132.               V. Sivakumar and U.V. Varadaraju., “Environmentally benign novel green pigments: Pr1-xCaxPO4 [x = 0 – 0.4]” – Bull. Mater. Sci., 2005, 28(3), 299-301, DOI: 10.1007/BF02711264, (Rapid communication), (Citation – 26), Impact factor: 1.878.  Q4.


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