Functional Nano-Materials (FuN) Laboratory

Muhammad Rahees P, Aruna K.Kunhiraman, Thangaraj A, AJAY RAKKESH R, Sujay Chakravarty, Floret Assembly of NiCo2O4@Tailored Nanostructured Carbon Support for Oxygen Evolution Reaction in Alkaline Medium, Journal of Physics and Chemistry of Solids, 2024. [https://doi.org/10.1016/j.jpcs.2024.112075]

S. Shalini, T. B. Naveen, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, Progress in Flexible Supercapacitors for Wearable Electronics Using Graphene-based Organic Frameworks, Journal of Energy Storage, 2024. [https://doi.org/10.1016/j.est.2024.111260]

R. AJAY RAKKESH, S. Shalini, S. Tharani, D. Durgalakshmi, S. Balakumar, Possibilities and Challenges of Cathode Materials for Zn-Ion Batteries, Energy Advances, 2024. [https://doi.org/10.1039/D3YA00638G]

P. N. Blessy Rebecca, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, Enhancing Self-Powered Wearable Device Performance: ZIF-8/rGO Hybrid Nanostructures for Extended Operation and Electrochemical Glucose Detection, Chemical Engineering Journal, 2024. [https://doi.org/10.1016/j.cej.2024.149789]

S. Tharani, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, High-Performance Aqueous Zinc-Ion Battery Cathodes: Enhanced Performance with V2O5/Graphene Sandwich-Like Heterostructures Featuring Structural Defects, Applied Physics Letters, 2024. [https://doi.org/10.1063/5.0192236]

S. Tharani, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, Enhancing Interplanar Spacing in V2O3/V3O7 Heterostructures to Optimize Cathode Efficiency for Zn-Ion Batteries, ACS - The Journal of Physical Chemistry Letters, 2024. [https://doi.org/10.1021/acs.jpclett.3c03590]

T. B. Naveen, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, High Valence Binary Metal-Organic Framework as Electrode Material for Aqueous Asymmetric Supercapacitor, Chem Commun, 2024. [https://doi.org/10.1039/D3CC05195A]

R. Priya, S. Vijayakumari, P. Bargavi, R. AJAY RAKKESH, S. Balakumar, Rapidly derived equimolar Ca: P phasic bioactive glass infused flexible gelatin multi-functional scaffolds – A promising tissue engineering, Journal of the Mechanical Behavior of Biomedical Materials, 2023, 106264. [https://doi.org/10.1016/j.jmbbm.2023.106264]

J. Mohanraj, D. Durgalakshmi, R. AJAY RAKKESH, S. Cho, A Review of Electroactive Nanomaterials in the Detection of Nitrogen-Containing Organic Compounds and Future Applications, Biosensors, 2023, 13, 989. [https://doi.org/10.3390/bios13110989]

R. AJAY RAKKESH, T. B. Naveen, D. Durgalakshmi, S. Balakumar, Covalent organic frameworks: Pioneering remediation solutions for organic pollutants, Chemosphere, 2023, 140655. [https://doi.org/10.1016/j.chemosphere.2023.140655]

S. Tharani, T. B. Naveen, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, Unveiling the Ultra High Voltage Platform of Hydrated V3O7 in Carbon Network for Enhancing Aqueous Zinc-Ion Batteries Performance, ACS Applied Energy Materials, 2023. [https://pubs.acs.org/doi/abs/10.1021/acsaem.3c02226]

R. AJAY RAKKESH, P. N. Blessy Rebecca, T. B. Naveen, D. Durgalakshmi, S. Balakumar, Twisted Bilayer Graphene: A Journey through Recent Advances and Future Perspectives, Particle and Particle Systems Characterization, 2023. [https://doi.org/10.1002/ppsc.202300125].

S. Tharani, P. N. Blessy Rebecca, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, Hydrothermal integration of MoO2–MoS2@rGO nanoframe networks: A promising approach for efficient bacterial disinfection in wastewater, Chemosphere, 2023, 140273. [https://doi.org/10.1016/j.chemosphere.2023.140273].

P. N. Blessy Rebecca, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, Advancing Healthcare Applications: Wearable Sensors Utilizing Metal-Organic Frameworks, Sensors & Diagnostics, 2023. [https://doi.org/10.1039/D3SD00214D].

T. Shalini, G. Pavithraa, R. AJAY RAKKESH, S. Balakumar, Unravelling the Nature-Inspired Silk Sericin - Calcium Phosphate Hybrid Nanocomposites: A Promising Sustainable Biomaterial for Hard Tissue Regeneration Applications, Surfaces and Interfaces, 2023, 103396. [https://doi.org/10.1016/j.surfin.2023.103396].

Aruna K Kunhiraman, Akash Prabhu S, Muhammed Rahees P, AJAY RAKKESH R, Adrian Hochgesang, Hydrogen Evolution Reaction Catalyzed by MoS2/CoS2 supported on Nanocarbon Hybrid in Acidic Medium, Surfaces and Interfaces, 2023, 103366. [https://doi.org/10.1016/j.surfin.2023.103366].

P.N. Blessy Rebecca, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, Biomimetic Scaffold Development for Bone Tissue Engineering: Crosslinking Graphene with Collagen to Enhance Mechanical Strength, Conductivity, and Porous Structure, Journal of Materials Research, 2023. [https://doi.org/10.1557/s43578-023-01145-z].

P.N. Blessy Rebecca, Aswin Krishna, D. Durgalakshmi, S. Balakumar, R. AJAY RAKKESH, Rational Design of an Innovative Hybrid Biosensor Utilizing Functionalized ZnO-Cys-Graphene Ternary Composite for Enzyme-Free Glucose Detection, Surfaces and Interfaces, 2023, 42, 103275. [https://doi.org/10.1016/j.surfin.2023.103275].

T.B. Naveen, D. Durgalakshmi, J. Mohanraj, Aruna K Kunhiraman, S. Balakumar, AJAY RAKKESH R, Insights on the Electrochemical Properties of Lattice Strain Induced Layered V2O3-Al2O3 Nanocomposites derived from the Carbonization Process, Journal of Materials Science: Materials in Electronics, 2023, 34, 1636. [https://doi.org/10.1007/s10854-023-11082-6].

Aruna K Kunhiraman, Muhammad Rahees P, and AJAY RAKKESH R, Solvothermally synthesized micro spindle SrMoO4/rGO hybrid as efficient electrocatalyst for hydrogen evolution reaction from acid water, Nanomaterials and Energy, 12, 3, July, 2023, pp. 1-7. [https://doi.org/10.1680/jnaen.23.00047].

S. Prabha, D. Durgalakshmi and R. AJAY RAKKESH, Fluorescence sensing of NADH using Silica-Zinc Nitride Nanocomposite for Monitoring Diabetes, Surface and Interfaces, 2023, [https://doi.org/10.1016/j.surfin.2023.103207].

J. Mohanraj, D. Durgalakshmi, R. AJAY RAKKESH, Facile and Sustainable Synthesis of N-, P- and S-doped Graphene Electrodes to Enhance the Electrochemical Activity of a DNA Sensor, Journal of The Electrochemical Society, 2023, [DOI: 10.1149/1945-7111/ace33a].

S. Tharani, D. Durgalakshmi, S. Balakumar and R. AJAY RAKKESH, Layered Structures of Enriched V5+ States of Vanadium Oxide as a Hybrid Cathode Material for Long Cyclable Aqueous Zinc Ion Battery, ACS Applied Materials & Interfaces, 2023, [DOI: 10.1021/acsami.3c05835].

S. Tharani, D. Durgalakshmi, Aruna K. Kunhiraman, S. Balakumar and R. AJAY RAKKESH, Hybrid Zinc-Air Battery (ZAB) with Transition Metal-Based Electrocatalysts - A Step Towards Next-Generation Electrochemical Energy Storage, WIREs Energy and Environment, 2023, [DOI: 10.1002/wene.472].

S Prabha, D Durgalakshmi, R AJAY RAKKESH, Aruna P, Ganesan S, Investigation on the Drug Loading Efficacy of Protoporphyrin Functionalized Silica Precursors (Tetraethyl orthosilicate: TEOS and Biomass silica) for Enhanced Delivery of 5-Fluorouracil, ChemistrySelect, 2023, [DOI: 10.1002/slct.202204498].

T. Shalini, R. AJAY RAKKESH, P. Bargavi and S. Balakumar, Tuning the Surface Ordering of Different Charged Surfactants for the Controlled Fabrication of Monetite Calcium Phosphate via Microwave Synthesis Process, Surface and Interfaces, 2023, [DOI: 10.1016/j.surfin.2023.103089].

T. Shalini, R. AJAY RAKKESH and S. Balakumar, Influence of pH in the Synthesis of Calcium Phosphate based Nanostructures with enhanced Bioactivity and Pro-Angiogenic Properties, Journal of Biomedical Materials Research: Part B - Applied Biomaterials, 2022. [DOI: https://doi.org/10.1002/jbm.b.35196]

S. Tharani, D. Durgalakshmi, S. Balakumar and R. AJAY RAKKESH, Futuristic Advancements in Biomass-Derived Graphene Nanoassemblies: Versatile Biosensors for Point-of-Care Devices, ChemistrySelect, 2022, [DOI: https://doi.org/10.1002/slct.202203603].

R AJAY RAKKESH, Durgalakshmi, D. and Balakumar, S., Scalable Approach to Fabricate Paper-Based Biomass Reduced Graphene Sensor for the Detection of Exhaled Diabetic Breath. IOP Nanotechnology, 2022, [DOI: http://dx.doi.org/ 10.1088/1361-6528/ac8d9c].

S Akash Prabhu, KK Aruna, TB Naveen, R AJAY RAKKESH, Marloes Peeters, Recent progress and prospects in the electrode materials of flexible Sodium-Ion Battery, Sustainable Chemistry and Pharmacy, 28, 2022, 100693. [DOI: https://doi.org/10.1016/j.scp.2022.100693].

A. Tamilselvan, D Durgalakshmi, R. AJAY RAKKESH, S. Balakumar, Enhanced photocatalytic activity of TiO2 nanotubes arrays decorated with Ag and Pt nanoparticles, Materials Today: Proceedings, 2022, [DOI: https://doi.org/10.1016/j.matpr.2022.06.135].

R AJAY RAKKESH and Durgalakshmi, D. and Balakumar, S., Scalable Approach to Fabricate Paper-Based Biomass Reduced Graphene Sensor for the Detection of Exhaled Diabetic Breath. SSRN Electronic Journal, 2022, [DOI: http://dx.doi.org/10.2139/ssrn.4048889].

D. Durgalakshmi, S. Prabha, J. Mohanraj, R. AJAY RAKKESH, R. Saravanan, Hybrid ZnO nanostructures modified graphite electrode as an efficient urea sensor for environmental pollution monitoring, Chemosphere, 2022, 133918, [DOI: 10.1016/j.chemosphere.2022.133918].

PN Blessy, D. Durgalakshmi, S. Balakumar and R. AJAY RAKKESH, Biomass- Derived Graphene-Based Nanocomposites: A Futuristic Material for Biomedical Applications, ChemistrySelect, 2022, [DOI: 10.1002/slct.202104013].

Guru Nisha Narayanan, Pavithra A, AJAY RAKKESH RAJENDRAN, Karthigeyan Annamalai, Balakumar Subramanian, Pandiyarasan Veluswamy, and Hiroya Ikeda, hydrothermally synthesized ZnO and Z-rGO nanorods: Effect of post-annealing temperature and rGO incorporation on hydrogen sensing, J Mater Sci: Mater Electron., 2021 [DOI: 10.1007/s10854-021-07439-4].

J. Flora John, D. Durgalakshmi, J. Mohanraj, R. AJAY RAKKESH, Scalable Lanthanum Titanate (La2Ti2O) nanostructures as UV photodetectors, J Mater Sci: Mater Electron., 2021, [DOI:10.1007/s10854-021-07145-1].

D. Durgalakshmi, Gopi Saravanan, J. Mohanraj, R. AJAY RAKKESH, P. Aruna, S. Ganesan and S. Balakumar, Pulsed Laser Deposition of nanostructured Bioactive Glass and Hydroxyapatite Coatings: Microstructural and Electrochemical characterization, Materials Science and Engineering: C, 2021, 112459 [DOI: 10.1016/j.msec.2021.112459].

J. Mohan Raj, D. Durgalakshmi, R. AJAY RAKKESH, S. Balakumar, Selective room temperature gas sensor using nanostructured ZnO/CuO@graphene on paper substrate, Sensors and Actuators B: Chemical, 2022, 130833 [DOI: 10.1016/j.snb.2021.130833].

T. B. Naveen, D. Durgalakshmi, K.K. Aruna, S. Balakumar and R. AJAY RAKKESH, Recent advances in graphene-based micro-supercapacitors: Processes and applications, Journal of Materials Research, 2021 [DOI: 10.1557/s43578-021-00366-4].

J. Flora John, J. Mohanraj, R. AJAY RAKKESH, TS Nataraj, P. Mohanpriya, and D. Durgalakshmi, Sustainable multilayer biomass carbon and polymer hybrid column as potential antibacterial water filter, Chemosphere, 2021, 131691. [DOI: https://doi.org/10.1016/j.chemosphere.2021.131691].

R. Aysha Parveen, R. AJAY RAKKESH, D. Durgalakshmi, and S. Balakumar, Graphene-Ag2S hybrid nanostructures: A hybrid gas sensor for room temperature hydrogen sensing application, Materials Letters, 303, 2021, 130470. [DOI: https://doi.org/10.1016/j.matlet.2021.130470].

K. K. Aruna, M. Bradha and R. AJAY RAKKESH, Nickel-doped two-dimensional molybdenum disulfide for electrochemical hydrogen evolution reaction, Journal of Materials Research, 2021, [DOI:10.1557/s43578-021-00185-7].

S. Prabha, D. Durgalakshmi, R. AJAY RAKKESH, P. Aruna and S. Ganesan, N- Doped Zinc Oxide as an Effective Fluorescent Sensor for Urea Detection, New Journal of Chemistry, 2021, [DOI: 10.1039/D1NJ00372K].

D. Durgalakshmi, Vimalraj Selvaj, R. AJAY RAKKESH, Sekaran Saravanan, Bargavi Purushothaman, Balakumar Subramaniam, Bio-inspired Multifunctional Collagen/Electrospun Bioactive Glass Membranes for Bone Tissue Engineering applications, Mater Sci & Engg C, 2021, [DOI: 10.1016/j.msec.2020.111856].

D. Durgalakshmi, R. AJAY RAKKESH, P. Aruna, S. Ganesan and S. Balakumar, Bioactivity and Hemocompatibility of Sol-gel bioactive glass synthesized under different catalytic conditions, RSC New Journal of Chemistry, 2020, [DOI: 10.1039/D0NJ02445G].

R. AJAY RAKKESH, D. Durgalakshmi, P. Karthe and S. Balakumar, Anisotropic growth and strain induced tunable optical properties of Ag-ZnO hierarchical nanostructures by a microwave synthesis method, Materials Chemistry and Physics, 2020, [DOI: 10.1016/j.matchemphys.2020.122720].

D.Durgalakshi, R. Rishwanth, R. AJAY RAKKESH, P. Bargavi, S. Balakumar, P. Aruna and S. Ganesan, Chitosan mediated 5-Flurouracil funtionalized silica nanoparticles from rice husk for anticancer activity, International Journal of Bilological Macromolecules, 2020 [DOI: 10.1016/j.ijbiomac.2020.04.098].

J Mohan Raj, D. Durgalakshmi, R. AJAY RAKKESH, Review-Current trends in disposable graphene based printed electrode for electrochemical biosensors, Journal of electrochemical society, 2020, [DOI: 10.1149/1945-7111/ab818b].

J, Mohan Raj, D. Durgalakshmi, R. AJAY RAKKESH, S. Balakumar, R. Saravanan and K. Maleh, Facile synthesis of paper based graphene electrodes for point of care devices: A double stranded DNA (dsDNA) biosensor, Journal of Colloids and Interface Science, 2020, [DOI: 10.1016/j.jcis.2020.01.089].

R. AJAY RAKKESH, D. Durgalakshmi, P. Karthe and S. Balakumar, Role of Interfacial Charge Transfer Process in the Graphene-ZnO-MoO3 Core-shell Nanoassemblies for Efficient Disinfection of Industrial Effluents, J. Process. Appl. Ceram., 13 [4] (2019) 376–386. [DOI: https://doi.org/10.2298/PAC1904376A].

D. Durgalakshmi, R. AJAY RAKKESH and S. Balakumar, Bioactive assessment of bioactive glass nanostructures synthesized using synthetic and natural silica resources, Applied Ceramic Technology, 2019, [DOI: 10.1111/ijac.13460].

R. Radha, R. AJAY RAKKESH, S. Balakumar, Conductometric sensing characteristics of nanoplatelet Bi2WO6 as nanosensor for hydrogen detection, AIP Conf Proc. 2115, 030317 (2019). [DOI: https://doi.org/10.1063/1.5113156].

D. Durgalakshmi, R. AJAY RAKKESH, Syed Kamil, S. Karthikeyan and S. Balamumar, Rapid Dilapidation of Alcohol Using Magnesium Oxide and Magnesium Aspartate based Nanostructures: A Raman Spectroscopic and Molecular Simulation Approach, Journal of Inorganic and Organometallic Polymers and Materials, 1-10, (2019). [DOI: https://doi.org/10.1007/s10904-019-01105-3].

R. AJAY RAKKESH, D. Durgalakshmi and S. Balakumar, Beyond Chemical Bonding Interaction: An Insight into the Growth Process of 1D ZnO on Few-Layer Graphene for Excellent Photocatalytic and Room Temperature Gas Sensing Applications, ChemistrySelect, 3, 7302 – 7309, (2018). [DOI: https://doi.org/10.1002/slct.201800987].

D. Durgalakshmi, R. AJAY RAKKESH, K. Muthu, S. Ganapathy, T. G. Ajithkumar, S. Karthikeyan and B. Subramanian, Highly Reactive Crystalline Phase Embedded Strontium-Bioactive Nanorods for Multimodal Bioactive applications Biomater. Sci., 6, 1764-1776 (2018). [DOI: https://doi.org/10.1039/C8BM00362A].

D. Durgalakshmi, R. AJAY RAKKESH, Barkavi, S. Balakumar, Comparative studies on Indian traditional nanomedicine Yashadha Bhasma and zinc oxide nanoparticles for anti-diabetic activity, Mater. Res. Express, 4, 075016, (2017). [DOI: https://doi.org/10.1088/2053-1591/aa7a26].

Pavithra, R. AJAY RAKKESH, D. Durgalakshmi, and S. Balakumar, Room Temperature Detection of Hydrogen Gas Using Graphene Based Conductometric Gas Sensor, J. Nanosci. Nanotechnol., 17 (5), 3449-3453 (2017). [DOI: https://doi.org/10.1166/jnn.2017.13054].

R. AJAY RAKKESH, D. Durgalakshmi and S Balakumar, Graphene based Nanoassembly for simultaneous Detection and Degradation of Harmful Organic Contaminants from Aqueous Solution, RSC Advances, 6, 34342-34349, (2016). [DOI: https://doi.org/10.1039/C6RA01784C].

R. AJAY RAKKESH, D. Durgalakshmi and S. Balakumar, Nanostructuring of GNS- V2O5/TiO2 Core/Shell Photocatalyst for Water Remediation Applications under Sun- light Irradiation, RSC Advances, 5, 18633 – 18641 (2015). [DOI: https://doi.org/10.1039/c5ra00180c].

D. Durgalakshmi, R. AJAY RAKKESH, S. Balakumar, Stacked Bioglass/TiO2 nanocoatings on titanium substrate for enhanced osseointegration and its electrochemical corrosion studies, Applied Surface Science, 349, 561-569, (2015). [DOI: https://doi.org/10.1016/j.apsusc.2015.04.142].

D. Durgalakshmi, R. AJAY RAKKESH, C. Ashok Raja and S. Balakumar, Electrophoretic Deposition of Bioglass/TiO2 nanocomposite on CP-Ti substrates for Biomedical Applications, Int. J. Chem Tech Res., 7(2), 755-761, (2015).

R. AJAY RAKKESH, and S. Balakumar, Morphology dependent photocatalytic activity of α-MoO3 nanostructures towards mutagenic Acridine Orange Dye, J. Nanosci. Nanotechnol., 15, 4316 – 4324 (2015). [DOI: https://doi.org/10.1166/jnn.2015.9723].

R. AJAY RAKKESH, D. Durgalakshmi and S. Balakumar, TiO2 Impregnated Graphene Nanostructures: An Effectual Photocatalysts for Water Remediation Application, AIP Conf Proc, 1665, 050036, (2015). [DOI: https://doi.org/10.1063/1.4917677].

R. AJAY RAKKESH, D. Durgalakshmi and S. Balakumar, Efficient sunlight-driven photocatalytic activity of chemically bonded GNS-TiO2 and GNS-ZnO heterostructures, J. Mater. Chem. C, 2, 6827-6834, (2014). [DOI: https://doi.org/10.1039/C4TC01195C].

Pavithra, R. AJAY RAKKESH, D. Durgalakshmi, and S. Balakumar, Fabrication of High-Quality Graphene Nanosheets from Camphor, Graphene 2, 113-116 (2014). [DOI: https://doi.org/10.1166/graph.2014.1041].

R. AJAY RAKKESH, and S. Balakumar, Structural, electrical transport and optical studies of Li ion doped ZnO nanostructures, Processing and Application of Ceramics 8[1], 7 (2014) [DOI: https://doi.org/10.2298/PAC1401007R].

R. AJAY RAKKESH and S. Balakumar, Facile Synthesis of ZnO/TiO2 Core/Shell Nanostructures and their Photocatalytic Activities, Journal of Nanoscience and Nanotechnology, 13, 370-376 (2013). [DOI: https://doi.org/10.1166/jnn.2013.6730].

S. Balakumar and R. AJAY RAKKESH, Core/Shell Nano-Structuring of Metal Oxides Semiconductors and their Photocatalytic Studies AIP Conf. Proc. 1512, 34(2013). [DOI: https://doi.org/10.1063/1.4790898].

R. AJAY RAKKESH, S. Malathi and S. Balakumar, Effect of Fe Incorporation on The Optical Behavior Of ZnO Thin Films Prepared By Sol-Gel Derived Spin Coating Techniques, AIP Conf. Proc. 1512, 1200 (2013). [DOI: https://doi.org/10.1063/1.4791480].

R. AJAY RAKKESH, A. K. Prasad, S. Dash, A.K. Tyagi and S. Balakumar, Methane Gas Detection in Environment using Shape Dependent α-MoO3 Nanosensor, AIP Advances, 1447,249 (2012). [DOI: https://doi.org/10.1063/1.4709973].

S. Balakumar, R. AJAY RAKKESH, A. K. Prasad, S. Dash and A.K. Tyagi, Nanoplatelets structures of MoO3 for H2 Gas Sensors, IEEE Xplore, 978-1-4673- 0074-2/11/ (2011). [DOI: https://doi.org/10.1109/ICONSET.2011.6168019].

PN Blessy, D. Durgalakshmi, and R. AJAY RAKKESH, Composite hydrogels for Adipose Tissue Engineering, Functional Biomaterials: Advances in Design and Biomedical Applications, 2023, ISBN 978-1032170893, CRC Press.

Mohan raj, D. Durgalakshmi and R. AJAY RAKKESH, Graphitic carbon nitride for photo electrocatalysis, Nanoscale Graphitic Carbon Nitride, Synthesis and Applications, Micro and Nanotechnologies, 2022, 169-192, Elsevier.

RAKKESH R.A., Dhinasekaran D., Shankar M.V., Balakumar S. (2021) Hierarchical Nanostructures for Photocatalytic Applications. In: Balakumar S., Keller V., Shankar M. (eds) Nanostructured Materials for Environmental Applications. Springer, Cham. https://doi.org/10.1007/978-3-030-72076-6_3.

Nagappagari L.R., Lee K., RAKKESH R.A., Balakumar S., V. Shankar M. (2021) Nanostructured Heterojunction (1D-0D and 2D-0D) Photocatalysts for Environmental Remediation. In: Balakumar S., Keller V., Shankar M. (eds) Nanostructured Materials for Environmental Applications. Springer, Cham. https://doi.org/10.1007/978-3-030-72076-6_2

D. Durgalakshmi and R. AJAY RAKKESH, “Graphene-metal-organic frame work Modified Electrochemical Sensors”- Graphene based electrochemical sensors for biomolecules, Elsevier, USA. 2019 (ISBN: 9780128153949)

D. Durgalakshmi and R. AJAY RAKKESH, R. Saravanan and Mu Naushad, “Principles and mechanisms of Green Photocatalysis” – Green Photocatalysts, Springer Cham, 2019. (ISBN: 978-3-030-15608-4)

D. Durgalakshmi and R. AJAY RAKKESH, R. Saravanan and Mu Naushad, “Green Photocatalyst for Diverge Applications” - Green Photocatalysts for Energy and Environmental Process, Springer Nature Switzerland AG, 2020. (ISBN: 978-3-030-17638-9)

R. AJAY RAKKESH, D. Durgalakshmi and S. Balakumar, "Hybrid Nanomaterials: Developments in Energy, Environments and Polymer Nanocomposites"- Preparation, properties and application of hybrid nanomaterials in sensing of environmental pollutants, John Wiley and Scrivener Publishing, USA, 2017. (ISBN: 978-1-119-16034-2).

R. AJAY RAKKESH, D. Durgalakshmi and S. Balakumar, "Nanocomposites for Visible Light-induced Photocatalysis"- Mixed metal-oxides nanocomposites for visible light-induced photocatalysis, Springer-Nature, USA, 2017. (ISBN: 978-3-319-62446-4). 

S. Tharani, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, "Synergetic Effects of Biomass Carbon integrated Tungsten Oxide: An Effective Hybrid Cathode for Deep Cyclable Aqueous Zn-Ion Battery", Advanced Functional Materials and Devices 2024 (AFMD-2024), SRM Institute of Science and Technology (SRMIST), 26th-29th February, 2024.

Shalini. S, T. B. Naveen, D. Durgalakshmi, S. Balakumar and R. Ajay Rakkesh, "Unveiling the Potential: Black Zinc Oxide as a Pioneering Material for Supercapacitor Innovation and Electrochemical Investigations", Advanced Functional Materials and Devices 2024 (AFMD-2024), SRM Institute of Science and Technology (SRMIST), 26th-29th February, 2024.

T. B. Naveen, D. Durgalakshmi, M. Kesavan, S. Balakumar and R. Ajay Rakkesh, "Unlocking the Potential of Nuclear Magnetic Resonance for Comprehensive Characterization of Metal-Organic Frameworks", Advanced Functional Materials and Devices 2024 (AFMD-2024), SRM Institute of Science and Technology (SRMIST), 26th-29th February, 2024.

P. N. Blessy Rebecca, D. Durgalakshmi, S. Balakumar and R. Ajay Rakkesh, "Non-enzymatic Electrochemical Sensor based on MOF-5/Graphene Composite for Glucose Detection", Advanced Functional Materials and Devices 2024 (AFMD-2024), SRM Institute of Science and Technology (SRMIST), 26th-29th February, 2024.

S. Shalini, T. B. Naveen, D. Durgalakshmi, S. Balakumar and R. Ajay Rakkesh, “Unveiling the Potential: Black Zinc Oxide as a Pioneering Material for Supercapacitor Innovation and Electrochemical Investigations”, International Conference on Advanced Functional Materials (ICAMS 2023), School of Physical Science University of Calicut, 21st - 23rd  December, 2023.

S. Tharani, D. Durgalakshmi, S. Balakumar and R. Ajay Rakkesh, “Enhancing Interplanar Spacing in V2O3/V3O7 Heterostructures to Optimize Cathode Efficiency for Zn-Ion Batteries”, International Conference on Advanced Functional Materials (ICAMS 2023), School of Physical Science University of Calicut, 21st - 23rd  December, 2023.

T. B. Naveen, D. Durgalakshmi, S. Balakumar and R. Ajay Rakkesh, "Long Cyclable Petal like Ni-MOFs as Superior Cathode Material for Supercapacitor applications", International Conference on Advanced Materials (ICAM 2023), St. Joseph's College, Tiruchirappalli, 8th - 9th December, 2023.

P.N. Blessy Rebecca, Aswin Krishna, D. Durgalakshmi, S. Balakumar and R. Ajay Rakkesh, "Rational Design of an Innovative Hybrid Biosensor Utilizing Functionalized ZnO-Cys-Graphene Ternary Composite for Enzyme-Free Glucose Detection", International Conference on Advanced Materials, St. Joseph's College (ICAM 2023), Tiruchirappalli, 8th - 9th December, 2023.

T. B. Naveen, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Stabilizer-free MAX phase inks and Screen Printing of micro-Supercapacitors”, Dr. Paarivendhar Research Colloquium, SRM Institute of Science and Technology, Kattankulathur, 29th - 31st March, 2023.

S. Tharani, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Hydrothermally treated Tungsten Oxide as an effective cathode for deep cyclable aqueous zinc ion battery application”, Dr. Paarivendhar Research Colloquium, SRM Institute of Science and Technology, Kattankulathur, 29th - 31st March, 2023.

P. N. Blessy Rebecca, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Non-enzymatic Electrochemical Sensor based on Zif-8/Graphene Composite for Glucose Detection”, Dr. Paarivendhar Research Colloquium, SRM Institute of Science and Technology, Kattankulathur, 29th - 31st March, 2023.

P. N. Blessy Rebecca, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Synthesis of ZnO/Graphene/Zif 8 Nanocomposites for the Non-Enzymatic Detection of Glucose”, 7th International Conference on Nanoscience and Nanotechnology (ICONN 2023), SRM Institute of Science and Technology, Kattankulathur, 27th - 29th March, 2023.

T. B. Naveen, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Stabilizer Free MAX Phase Inks and Direct Writing of Micro-Supercapacitors”, 7th International Conference on Nanoscience and Nanotechnology (ICONN 2023), SRM Institute of Science and Technology, Kattankulathur, 27th - 29th March, 2023.

S. Tharani, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Metallic V2O3@C Clusters as a Cathode Material for Long Cyclable Aqueous Zinc Ion Batteries”, 7th International Conference on Nanoscience and Nanotechnology (ICONN 2023), SRM Institute of Science and Technology, Kattankulathur, 27th - 29th March, 2023.

Aswin Krishna, P. N. Blessy Rebecca, D. Durgalakshmi and R. Ajay Rakkesh, “Non-enzymatic Electrochemical Glucose sensor based on Cys capped ZnO Nanocomposites”, 7th International Conference on Nanoscience and Nanotechnology (ICONN 2023), SRM Institute of Science and Technology, Kattankulathur, 27th - 29th March, 2023.

S. Tharani, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Layered Structures of Vanadium Oxide as a Hybrid Cathode Material for Long Cyclable Aqueous Zinc Ion Battery”, International Conference on Pure and Applied Physics (ICPAP 2023), Women’s Christian College, Chennai, 23rd - 24th March, 2023.

S. Tharani, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Hydrothermally treated Tungsten Oxide as an effective cathode for deep cyclable aqueous zinc ion battery application”, Two Day International Conference on Condensed Matter Physics and Materials (ICCMPM 2023), Ethiraj College of Women, Chennai, 28th February & 1st March, 2023.

T. B. Naveen, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Stabilizer Free MAX Phase Inks and Screen Printing of Micro-Supercapacitors”, Two Day International Conference on Condensed Matter Physics and Materials (ICCMPM 2023), Ethiraj College of Women, Chennai, 28th February & 1st March, 2023.

P. N. Blessy Rebecca, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Synthesis of ZnO/Graphene/Zif 8 Nanocomposites for the Non-Enzymatic Detection of Glucose”, Two Day International Conference on Condensed Matter Physics and Materials (ICCMPM 2023), Ethiraj College of Women, Chennai, 28th February & 1st March, 2023.

T. B. Naveen, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Physiochemically Exfoliated Borophene Sheets Screen Printed on PET Substrate as Electrodes for Flexible Micro-Supercapacitor Applications”, International Conference on Energy Conversion and Storage, IIT Madras, 18th - 20th January, 2023.

S. Tharani, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “2D Nanostructured Vanadium Disulphide (VS2)/Graphene as Cathode for the Application of Hybrid Long Cyclable Aqueous Zinc Ion Batteries”, International Conference on Energy Conversion and Storage (IECS), IIT Madras, 18th - 20th January, 2023.

T. B. Naveen,  D. Durgalakshmi, J. Mohanraj, Aruna K Kunhiraman, S. Balakumar and R. Ajay Rakkesh, “Insights on Electrochemical Properties of Layered V2O3 - Al2O3 Nanocomposites derived from the Carbonization Process”, INUP- i2i Hands-On Training Workshop on Nanofabrication and Characterization, Indian Institute of Technology, Kharagpur, 19th – 28th September, 2022.

P. N. Blessy Rebecca, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Properties and Characterization of Chemically Cross-linked 3D Graphene-Collagen Hydrogel Scaffolds for Biomimetic Applications”,  Dr. Paarivendhar Research Colloquium, SRM Institute of Science and Technology, Kattankulathur, 24th - 26th March, 2022.

S. Tharani, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Hydrothermally Treated Tungsten Oxide as Innovative Way to Develop a Cathode Layer for Energy Storage Applications”, Dr. Paarivendhar Research Colloquium, SRM Institute of Science and Technology, Kattankulathur, 24th - 26th March, 2022.

T. B. Naveen, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Insights on the Electrochemical Properties of Low Temperature Synthesized Vanadium MAX Phase”, Dr. Paarivendhar Research Colloquium, SRM Institute of Science and Technology, Kattankulathur, 24th - 26th March, 2022.

P. N. Blessy Rebecca, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Insights into Electrochemical Properties of Chemically Cross-linked 3D Graphene - Collagen Hydrogel Scaffolds for Biomimetic Applications”, International Conference on Advanced Materials and Mechanical Characterization (ICAMMC), SRM Institute of Science and Technology, Kattankulathur, 2nd - 4th December, 2021 in Virtual Mode.

T. B. Naveen, D. Durgalakshmi, J. Mohanraj, S. Balakumar and R. Ajay Rakkesh, “Insights on the Electrochemical Properties of Low-Temperature Synthesized V2AlC MAX phase”, International Conference on Advanced Materials and Mechanical Characterization (ICAMMC), SRM Institute of Science and Technology, Kattankulathur, 2nd - 4th December, 2021 in Virtual Mode.

S. Tharani, D. Durgalakshmi, V. R. Swathi Naidu, S. Balakumar and R. Ajay Rakkesh, “Influence of Strong S-C bond formation between MoS2 – Graphene nanocomposites for the Efficient Removal of Toxic Pollutants from Wastewater under Sunlight Irradiation”, International Conference on Advanced Materials and Mechanical Characterization (ICAMMC), SRM Institute of Science and Technology, Kattankulathur, 2nd - 4th December, 2021 in Virtual Mode.  

T. Shalini, R. Ajay Rakkesh and S. Balakumar, “Effect of pH on Phase Transformation from Monetite to Hydroxyapatite in Hydrothermal Synthesis Route”, MRSI, Materials Conclave, IITM, Dec 20 – 23, 2021.

M. Savithiri, R. Jayavel, R. Ajay Rakkesh and S. Balakumar, “Investigation on the Development of Reduced Graphene Oxide/Ag2S Nanocomposites based Photocatalyst for Waste Water Treatment”, MRSI, Materials Conclave, IITM, Dec 20 – 23, 2021.

S. Balakumar and R. Ajay Rakkesh, “A general strategy towards Graphene based Nanoassemblies for Environmental Cleaning Applications”, WPCCMA – 2015, 64-66. (Invited Lecture).

Pavithra, R. Ajay Rakkesh and S. Balakumar, “Fabrication of Graphene based sensors for environmental cleaning applications”, NANO-2015, KSR campus, Coimbatore, India.

R. Ajay Rakkesh, D. Durgalakshmi and S. Balakumar, “TiO2 Impregnated Graphene Nanostructures: An Effectual Photocatalysts for Water Remediation Application”, DAE SSPS, 2015, VIT, Vellore.

D. Durgalakshmi, R. Ajay Rakkesh, and S. Balakumar, “Electrophoretic Deposition of Bioglass/TiO2  Nanocomposites on Cp-Ti substrate for Biomedical Application”, 3rd International Conference on Nanoscience and Nanotechnology (ICONN 2015) 2015, SRM University, Kattankulathur, Chennai.

S. Balakumar and R. Ajay Rakkesh, “Graphene Based Hybrid Systems: Design, Construction and properties towards Sunlight Active Photocatalysts for Enviro-cleaning Applications”, 3rd International Conference on Nanoscience and Nanotechnology (ICONN 2015) 2015, SRM University, Kattankulathur, Chennai. (Invited Lecture).

Pavithra, R. Ajay Rakkesh and S. Balakumar, “Fabrication of High Quality Graphene Nanosheets from camphor”, 3rd International Conference on Nanoscience and Nanotechnology (ICONN 2015) 2015, SRM University, Kattankulathur, Chennai.

L. Parthiban, R. Ajay Rakkesh and S. Balakumar, “Graphene-ZnO Nanorods for Highly Efficient Photocatalytic Degradation of Acridine Orange under Sunlight”, ICAN, 2014, University of Madras.

Pavithra, R. Ajay Rakkesh and S. Balakumar, “Fabrication of Two Dimensional (2D) Graphene Nanosheets from a Single Solid Carbon Source”, ICAN, 2014, University  of Madras.

R. Ajay Rakkesh, D. Durgalakshmi and S. Balakumar, “Facile Synthesis and Comparative Analysis on the Photocatalytic Performance of ZnO-rGO and TiO2 – rGO Nanosheets under Solar Light Irradiation”, IUMRS-ICA 2013, IISC Bangalore.

R. Ajay Rakkesh, M. Balasubramaniam, M.Sakar and S. Balakumar, “Formation Kinetics of cerium Oxide nanofibers and Nanotubes by Electrospinning method”, IETC, VIT, 2013, Vellore.

R. Ajay Rakkesh, M. Sakar and S. Balakumar, “Surface Plasmon Induced Photodegradation of Toxic Pollutants in Water with Inorganic Semiconductor-Metal Core/shell Nanostructures under Sunlight Irradiation”, ICMAT, 2013, Singapore.

R. Ajay Rakkesh and S. Balakumar, “Development of Plasmon Sensitized Hybrid Nanostructures for Solar light driven photocatalytic energy conversation application”, MRSI- AGM IGCAR, 2013, Kalpakkam.

R. Ajay Rakkesh, K. Vishwanath, S. Ganapathy and S. Balakumar, “High Resolution Solid State 67Zn and 47,49Ti NMR Investigation of ZnO/TiO2 Core-Shell nanostructures”. NMRS symposium-2012, Indian Institute of science, Bangalore.

R. Ajay Rakkesh and S. Balakumar, “Structural, Electrical Transport and Optical Studies of Metal Ion Doped ZnO Nanostructures”. International Conference on Advanced Materials, 2012, Loyola College, Chennai.

R. Ajay Rakkesh, S. Tripathy and S. Balakumar, “On the Morphological transformation and Electronic Structure of α-MoO3 nanostructures”, National Conference On Nanoscience and Nanotechnology 2011, University of Madras, Chennai.

R. Ajay Rakkesh, R. Bharanidaran, R. Balaji, R. Vallikodiand, S. Balakumar, “Luminescent and Structural Properties of ZnO Nanostructures with Li and Ce Dopants”, National Conference On Nanoscience and Nanotechnology 2011, University of Madras, Chennai.

Balakumar Subramanian, R. Ajay Rakkesh, Rubini Rajakumar, Sakar K, “Fabrication of Functional Oxide Nanomaterials by Low Temperature Solution-phase Method”. International conference on materials for advanced technologies Symposium B: Synthesis and Architecture of Nanomaterials, 2011, Suntec, Singapore.

R. Ajay Rakkesh, M. Sakar, S. Balakumar, “Synthesis and Characterization of transition metal oxide nanoparticles by low temperature solution-phase method”. International workshop on Functional Nanomaterials, 2011, Anna University, Chennai.

R. Ajay Rakkesh and S. Balakumar, “Fabrication of ZnO-TiO2 Core/shell nanostructures by low temperature solution phase method”. Nanomeet, 2011, Anna University, Chennai.