Conference Proceedings 

In Conference Proceedings:

In International Conference Proceedings:

1. Sujith Sudheendran Swayamprabha, Deepak Kumar Dubey, Rohit Ashok Kumar Yadav, Jairam Tagare, V. Sivakumar and Jwo-Huei Jou, Phenanthroimidazole Based Small Molecule Functioning Both as Blue Emitter and Host for Organic Light Emitting Diodes, International Conference on Display Technology (ICDT 2019), 50, 2019, 1966-1969 https://doi.org/10.1002/sdtp.13353

2. Marikumar. R and Sivakumar. V, New red emitting phosphors NaSrLa(MO4)3 :Eu3+ [M = Mo and W] for white LEDs: Synthesis, structural and optical study, ICLA-2019, Raipur.

3. Raksha Pal, Rachna Devi and Sivakumar Vaidyanathan, Design, Synthesis and photophysical studies of Blue Fluorophores for OLEDs, ICLA-2019, Raipur.

4. Rachna Devi and Sivakumar Vaidyanathan, Tailoring of C1-Functionalised Phenanthro-imidazole based Eu(III) complexes : A study of photo-physical and electrochemical  properties, ICLA-2019, Raipur.

5. Sujith Sudheendran Swayamprabha, Deepak Kumar Dubey, Rohit Ashok Kumar Yadav, Jairam Tagare, V. Sivakumar and Jwo-Huei Jou, “A novel organic molecule functioning both as blu emitter and host for organic light emitting diodes” in IEDMS, November 14th 2018, keelung, Taiwan

6. Jairam Tagare and V. Sivakumar, “Synthesis, Photophysical and Electrochemical Studies of di-triphenylamine-1, 10 Phenontroline based fluorophore for Organic Light Emitting Diodes” Optics & Photonics Taiwan, The International Conference (OPTIC) 2017

7. B. Rajamouli and V. Sivakumar*, “Synthesis of carbazole derivatives of Europium molecular complexes for phosphorescent OLEDs” ICLA 2015 February 9-12, PES University, Bangalore.       

8. K. Aravind Babu and V. Sivakumar*, “Synthesis and photophysical properties of an organic light color-conversion material for white LEDs.” ICLA 2015 February 9-12, PES University, Bangalore.

9. B. Rajamouli and V. Sivakumar*, “Synthesis of multifunctional Europium molecular complex for phosphorescent OLEDs” International Conference on Luminescence (ICL) – 2014, Poland.

10. K. Aravind Babu and V. Sivakumar*, “Synthesis and photoluminescence properties of solution processable Ir (III) based dendrimers for OLEDs International Conference on Luminescence (ICL) - 2014, Poland.

11. S. Kasturi, V. Sivakumar* and Duk Young Jeon, “Novel red emitting phosphors based on mixed metal oxides for white LED’s” International Conference on Luminescence (ICL) - 2014, Poland. 

12. B.Rajamouli and V. Sivakumar*, “Design and synthesis of bipolar ligands for Eu molecular complexes and their photophysical studies”. 8th International Chemistry Conference 2014 (SICC8), 14-17 Dec 2014, NUS University, Singapore.       

13. K. Aravind Babu and V. Sivakumar*, “Synthesis and photophysical studies of blue emitting Iridium(III) based dendrimers for OLEDs” 8th International Chemistry Conference 2014 (SICC8), 14-17 Dec 2014,  NUS University, Singapore.

14. S. Kasturi and V. Sivakumar*, “Europium activated lanthanide fluoride (LnF3:Eu3+ - Ln = La, Gd) nanocrystals prepared by using ionic liquid via hydrothermal synthesis” 8th International Chemistry Conference 2014 (SICC8), 14-17 Dec 2014,  NUS University, Singapore

15. V. Sivakumar and U. V. Varadaraju, “Eu3+ substituted double perovskites: Novel orange-red emitting phosphors for Solid State White LEDs” 2012 5th International Conference on Luminescence, Feb 7 - 10, IICT Hyderabad, India. (accepted)

16. V. Sivakumar and U. V. Varadaraju, “Novel Orange Red Emitting Phosphors With Double Perovskite Structure For White LEDs”2011 16th International Conference on Luminescence, June 26 -July 31-Ann Arbor, Michigan, USA.

17. V. Sivakumar and U. V. Varadaraju, “Novel Orange Red Emitting Phosphors With Double Perovskite Structure For White LEDs”2011 16th International Conference on Luminescence, June 26 -July 31-Ann Arbor, Michigan, USA.

18.  Sung Wook Kim, Sivakumar Vaidyanathan, Byoung-Hwa Kwon and Duk Young Jeon “Red Electrophosphorescent Devices Based on Iridium Complexes of Ir(fliq)3 by solution process” 2010 KAIST International Workshop on Flexible Signage & Displays, Daejeon, Korea, (2010.07)

19. Sung Wook Kim, Hyoung Sun Yoo, Sivakumar Vaidyanathan, Byoung-Hwa Kwon, and Duk Young Jeon, “Study of Excitation Energy Transfer in Fluorine Based Host-Guest Systems" The 2nd International Seminar of Frontier of Energy Flow Dynamics in Atomistic and Electronic Scales, Sendai, Japan O-2, (2009. 12.)

20. Sivakumar Vaidyanathan, S. W. Kim, H. S. Yoo, D. Y. Jeon, “A Novel Broad Band Orange Red Emitting Phosphor for Solid State Lighting” The 15th international display workshops, Dec 2008, Japan.

21. Sung Wook Kim, Seok Hwan Hwang, Hyoung Sun Yoo, Sivakumar Vaidyanathan and Duk Young Jeon, “New Concept of Flexible OLED with every Light Emitting Pixel which is Crossed by Electrode Strip” The 15th international display workshops, Dec 2008, Japan – Poster presentation.

22. H. S. Yoo, Sivakumar Vaidyanathan, S. W. Kim, J. Y. Han, D. Y. Jeon, “Synthesis and Photoluminescence Properties of Chlorophosphate Phosphor for White Light-Emitting Diodes” The 15th international display workshops, Dec 2008, Japan.

23. Sivakumar Vaidyanathan and D. Y. Jeon, "Search for new red phosphors under NUV/blue excitation - the stimulating future for solid state lighting", International Meeting on Information Display 2008, Ilsan, Korea, p.1350 (2008. 10.).

24.  B. -H. Kwon, Sivakumar Vaidyanathan, H. Li, H. S. Jang, H. S. Yoo, and D. Y. Jeon, "Luminescent characteristics of a blue-emitting CaAl2Si2O8:Eu2+ phosphor and the effect of boron ion substitution", International Meeting on Information Display 2008, Ilsan, Korea, p.578 (2008. 10.)

25. B. -H. Kwon, Sivakumar Vaidyanathan, H. Li, H. S. Jang, H. S. Yoo, and D. Y. Jeon, "Luminescent characteristics of a blue-emitting CaAl2Si2O8: Eu2+ phosphor", Joint symposium on materials science and engineering, Gyeongju, Korea, P 53(PE7) (2008. 9.)

26. K. H. Kwon, Sivakumar Vaidyanathan, W. B. Im, H. S. Jang, H. S. Yoo, S. W. Kim and D. Y. Jeon, "Synthesis of Sr2MgSi2O7:Eu2+ phosphor and its luminescent properties under UV/VUV excitation", The International Conference of the Korean Ceramic Society for 50th Anniversary, Seoul, Korea, 155 November (2007)

27. Jung sub Lee, Sivakumar Vaidyanathan, Duk Young Jeon, ‘Formation of Sm-Multiwalled carbon annotube composite layer for the application of thermal interface materials” The 9 th International symposium on electronic materials and packaging, Daejeon, Republic of korea 11. 2007)

28. H. S. Yoo, B. J. Park, Sivakumar Vaidyanathan, J. S. Lee, and D. Y. Jeon, " Photoluminescence enhancement of BaGa2S4:Eu2+ phosphor by co-doping of Ce3+ ion ", Joint Symposium on Materials Science and Engineering for the 21st Century 2007, Hsinchu, Taiwan, p. 50, 2007. 10

29. W. B. Im, H. S. Yoo, V. Sivakumar, K. H. Kwon, H. J. Park, Y.-I. Kim, D. Y. Jeon., “Luminescence Property of Eu2+-Doped KBaPO4 Phosphor under Ultraviolet and Vacuum Ultraviolet Excitation”, The 14th International display workshops Dec 2007, Japan

30. V. Sivakumar and U.V. Varadaraju “A Novel Blue phosphor for Solid State Lighting” in ASID 2006, New Delhi Organised by IIT Kanpur, India.

31. Sivakumar Vaidyanathan and Varadaraju Upadhyayula, “A Novel green phosphor for three band white LEDs” in 5th International Conference on Solid State Lighting, July 2005, San Diego, California USA.

32. V. Sivakumar and U.V. Varadaraju (2005) “Synthesis and optical properties of BiMgVO5:Eu3+” in OMTAT 2005, Cochin, India.

33. V. Sivakumar and U.V. Varadaraju (2005) “Novel green phosphors in the system: NaY0.95Tb0.05(WO4)2-x(MoO4)x (x = 0.25 – 2)” in OMTAT 2005, Cochin, India.

34. V. Sivakumar and U.V. Varadaraju (2005) “New Europium activated phosphor materials for white LEDs” in ICAMDD 2005, Goa, India

In National Conference Proceedings:

1.     Md Inekab 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", CRSI 2022 (July) – IISER Mohali  

2. Priyadarshini Pradhan and V.Sivakumar*, “Narrow band red/deep red emitting phosphors and their versatile applications”, CRSI National Symposium in Chemistry, 27th CRSI-NSC meeting during Sept. 26-30, 2021.

3. S. Rana, Sandhya Rani Nayak, Sabita Patel* and V. Sivakumar*, “Design, synthesis and photophysical study of Aggregation Induced Emission (AIE) based Luminophores”, CRSI National Symposium in Chemistry, 27th CRSI-NSC meeting during Sept. 26-30, 2021.

4. Md Intekhab Alam and V. Sivakumar*, “Heavy atom free donor-spacer-acceptor based pure organic room temperature phosphorescence”, CRSI National Symposium in Chemistry, 27th CRSI-NSC meeting during Sept. 26-30, 2021.

5. Sandhya Rani Nayak and V. Sivakumar*, “Benzil-Imidazole based Luminophores as Near UV/Deep blue emitters/Host for OLEDs and Selective Picric Acid Detection”, CRSI National Symposium in Chemistry, 27th CRSI-NSC meeting during Sept. 26-30, 2021.

6. Jaipal Devesing Girase and V. Sivakumar*, “Efficient deep blue (CIEy~0.09) fluorophores based on triphenylamine for organic light emitting diodes: Combined theoretical and experimental study”, CRSI National Symposium in Chemistry, 27th CRSI-NSC meeting during Sept. 26-30, 2021.

7. K. Aravind Babu, Alberto Bossi and V. Sivakumar*, “Near-IR Emitting Iridium(III) Complexes with Heteroaromatic iqbt (1-(benzo[b]thiophen-2-yl)-isoquinoline) Ancillary Ligand for OLED Applications” in NCLA-2017, Jan 9-11, IICT- Hyderabad.

8. B. Rajamouli and V. Sivakumar*, “New ternary Europium (III) molecular complex for OLEDs: combined experimental and theoretical study” in NCLA-2017, Jan 9-11, IICT- Hyderabad.

9. Kasturi S and V. Sivakumar*, “Red emitting Li3BaSrY3(WO4):Eu3+(0 – 3, in steps of 0.3):A new generation phosphor for white LEDs, synthesis and characterization” in NCLA-2017, Jan 9-11, IICT- Hyderabad.

10. T. Jairam and V. Sivakumar*, “High Efficient Non-Doped Organic Light Emitting Devices Based on Star-Shaped Triphenylamine-Phenanthroimidazole Fluorophores” in NCLA-2017, Jan 9-11, IICT- Hyderabad.

11. R. Mari Kumar and V. Siva Kumar*, “Synthesis and Photoluminescence studies of Eu3+ doped KGd5O5(VO4)2 Red phosphor for solid state lighting” in NCLA-2017, Jan 9-11, IICT- Hyderabad. in NCLA-2017, Jan 9-11, IICT- Hyderabad.

12. Rachana Devi, B. Rajamouli and V. Sivakumar*, “Design, synthesis and photophysical properties of bi-dentate ligand for Dy(III) complexes” in NCLA-2017, Jan 9-11, IICT- Hyderabad.

13. B.Rajamouli and V.Sivakumar*, “Synthesis of binuclear nuclear Eu(III) complex and their photophysical study for phosphorescent OLEDs’’ in NCLA 2016 February 18 - 20, R.T.M. Nagpur University, Nagpur, Maharashtra.

14. S. Kasturi and V. Sivakumar*, “Li3BaSrLa3-xEux(WO4)8 – A new red emitting phosphor, synthesis and investigation of structural and luminescence behavior.”, NCLA 2016, Nagpur.

15. K.Aravind Babu and V. Sivakumar*, “Green emitting heteroleptic Ir(III) complexes and their photophysical study’’ in NCLA 2016 February 18 - 20, R.T.M. Nagpur University, Nagpur, Maharashtra – Oral presentation.

16. T. Jairam, B. Rajamouli, K. Aravind and V. Sivakumar*, “Synthesis and photo physical studies of new Triphenylamine - Phenontroline based bipolar material for phosphorescent OLED” NIT- Tiruchirappalli-2015 September 12 – 13 Tamilnadu.

17. Kasturi S and V. Sivakumar*, “LnF3:Eu3+ - Ln = La, Gd Nanocrystals prepared by using ionic liquid via hydrothermal synthesis National Conference on “Science and Technology for Human Development”, being organized by ISCA-2015 on 20-21 March, 2015, Haridwar. 

18. S. Kasturi and V. Sivakumar*, “Synthesis and photoluminescence study of new red emitting phosphor with Stratified scheelite structure for solid state lighting, CRSI 2015, NIT Calicut.

19. K. Aravind and V. Sivakumar*, “Yellowish-orange emitting Iridium(III) based dendrimers For OLEDs” (CRSI) Symposium in Chemistry July 23-25, 2015– Poster presentation.

20. T. Jairam, B. Rajamouli, K. Aravind and V. Sivakumar*, “Synthesis and photo physical studies of new Triphenylamine - Phenontroline based bipolar material for phosphorescent OLED” NIT- Tiruchirappalli-2015 September 12 – 13 Tamilnadu.

21. B. Rajamouli and V. Sivakumar*, “Synthesis and photo physical studies of multifunctional Europium molecular complex for OLEDs National conference on Luminescence and applications (NCLA) – 2014, Jabalpur, India.

22. K. Aravind babu and V. Sivakumar* “Synthesis and photo physical studies of blue emitting hyper branched molecules for OLEDs” National conference on Luminescence and applications (NCLA) - 2014, Jabalpur, India.

23. S. Kasturi, Onkar kumar das and V. Sivakumar*, “New red emitting phosphor (NaLaCaWO6:Eu3+) for LED applications.” National conference on Luminescence and applications (NCLA) - 2014, Jabalpur, India.

24. Surajkumar panigrahi, Ajit kumar pallei, K.Aravind Babu and V. Sivakumar*, “Synthesis and photo physical properties of yellow emitting organic fluorophore for white LED’s”.        National conference on Luminescence and applications (NCLA) - 2014, Jabalpur, India. *

25. S. Kasturi, and V. Sivakumar*, “Synthesis and photoluminescence studies of Eu3+ substituted La2W1-xMoxO9 for phosphor converted white LEDs” 3rd National Conference on Processing and Characterization of Materials – 6 - 7 Dec 2013, NIT Rourkela.

26. V. Sivakumar and U.V. Varadaraju “A Novel red phosphor under UV excitation” in CRSI: Chemistry Symposium 2006 – IIT Madras, India – Poster presentation.

27. V. Sivakumar and U.V. Varadaraju “A novel orange red phosphor for white LEDs” in NCLA 2006, Amravathi, India – Poster Presentation.

28. V. Sivakumar and U.V. Varadaraju (2005) Novel red phosphors for solid state lighting: the system AgGd(WO4)2-x(MoO4)x:Eu3+. National Conference on Luminescence and its Applications, Bangalore, India.

29. V. Sivakumar and U.V. Varadaraju (2005) Photoluminescent properties of NaY(WO4)2-x(MoO4)x:Eu3+ phosphor. National Conference on Luminescence and its Applications, Bangalore, India.

30. V. Sivakumar and U.V. Varadaraju, “Luminescence of Sm3+ in Eulytine, Ba3La(PO4)3” in Chemist’s Meet – 2004, March 2004, Organized by Chemistry Department, IIT Madras, India.

31. V. Sivakumar, N. Lakshminarasimhan and U.V. Varadaraju, “Synthesis and Optical Properties of Calcium Substituted Monazite CePO4” in Materials for Future (MF 2004), Feb 2004, Organized by Materials Research Centre, IISC Bangalore, India.