Ph.D Nanoscience and Technology
Centre for Nanoscience and Technology, Pondicherry University, Puducherry-605014 [ 30/08/2012 – 30/10/2017 ]
M.Tech Nanotechnology
Centre for Nanotechnology, Anna University, Coimbatore-641046 [ 28/07/2009 – 16/05/2011 ]
M.Sc Nanoscience and Technology
Department of Nanoscience and Technology, Bharathiar University,Coimbatore-641046 [ 25/06/2007 – 29/04/2009 ]
B.Sc Physics
Department of Physics, H.H.The Rajah's College (Bharathidasan University) , Pudukkottai
RESEARCH, TEACHING, or OTHER INTERESTS
Surfaces, Coatings and Films, Renewable Energy, Sustainability and the Environment, Materials Science, Condensed Matter Physics
703
Scholar Citations
15
Scholar h-index
20
Scholar i10-index
RECENT SCHOLAR PUBLICATIONS
Time-dependent laser irradiation-induced enhanced photo detectivity, responsivity and optoelectronic properties in Ag2S/In2Se3 heterostructure for visible light photodetector S Mohanty, PC Kumar, D Alagarasan, C Sripan, R Naik Optics & Laser Technology 202, 115409 , 2026 2026
Unveiling Se/Ag2S Heterostructure thin films under annealing for Photoresponse and optoelectronic applications B Mohanty, PC Kumar, D Alagarasan, C Sripan, P Pradhan, R Naik Materials Science and Engineering: B 330, 119538 , 2026 2026
Cu-Based La and Ce Oxytelluride Nanomaterials for Broadband Visible Light Photoresponse and Nonlinear Optical Applications PC Kumar, K Ashwinth, C Sripan, J Panda, R Naik ACS Applied Nano Materials 9 (15), 6517-6531 , 2026 2026
Enhanced Photodetectivity and responsivity of Bi-S films for visible light photodetectors: an experimental and density functional theory study L Mahapatra, D Kar, B Mohanty, PC Kumar, D Alagarasan, C Sripan, ... RSC advances 16 (24), 21925-21941 , 2026 2026
CeO6Te2 nanosheets for multifunctional broadband visible light photodetection and NLO applications: an experimental and computational approach PC Kumar, S Pattnaik, J Kumar, C Sripan, J Panda, R Naik Journal of Materials Chemistry C , 2026 2026 Citations: 2
Hydrothermally Synthesized VS2/MoS2 Nanocomposites with Better Optoelectronic and Antimicrobial Response CSRN B. Dandasena, S. Das, A. Parida, R. Praharaj, S. K. Samal Scientific Reports 15, 36963 , 2025 2025 Citations: 4
Laser-Irradiated Ag/Sb20S40Se40 Heterostructure Film For Enhanced Photodetector Application L Mahapatra, PC Kumar, D Alagarasan, C Sripan, R Naik Materials Chemistry and Physics, 131638 , 2025 2025 Citations: 4
Dielectric Relaxation of NiO‐Gd 2 O 3 Composite Nanostructure P Chunduri, S Chanda, S Saha, A Rajesh, S Chinnaiah, M Gandhi ChemistrySelect 10 (35), e02000 , 2025 2025 Citations: 1
Increase in photo sensitivity and detectivity of Bi/Sb35S35Se30 heterostructure films upon time-dependent laser irradiation for photodetection L Mahapatra, S Supriya, PC Kumar, D Alagarasan, C Sripan, R Naik Surfaces and Interfaces 72, 107091 , 2025 2025 Citations: 6
Temperature-dependent annealing effect on Ag2S/Sb25S20Se55 heterostructure films for optoelectronic applications L Mahapatra, D Alagarasan, C Sripan, R Naik Ceramics International 51 (20), 30239-30256 , 2025 2025 Citations: 5
V 2 O 9 Te 2 Nanorods for Broadband Visible Light Photoresponse and NLO Applications: An Experimental and Computational Approach PC Kumar, J Kumar, C Sripan, R Naik ACS Applied Electronic Materials 7 (13), 5842-5860 , 2025 2025 Citations: 6
High photo detectivity and responsivity under time-dependent laser-irradiation of Cu40Sb40S20 thin films for photodetector application L Mahapatra, PC Kumar, P Pradhan, D Alagarasan, C Sripan, R Naik Materials Advances 6 (20), 7479-7493 , 2025 2025 Citations: 4
BiAgOTe nanosheets with enhanced photoresponse ability: an experimental and computational study PC Kumar, J Panda, L Patra, S Mohanty, S Chinnaiyah, R Naik Nanoscale 17 (31), 18240-18254 , 2025 2025 Citations: 4
Structural instability of ZnFe2O4‐BaTiO3 magnetoelectric core‐shell nanoparticle: An in situ analysis by PFM P Chunduri, S Chanda, S Saha, M Gandhi, S Chinnaiah, A Rajesh Journal of the Chinese Chemical Society , 2025 2025 Citations: 1
Optical nonlinearity of Gd-doped VSe2 nanoflowers for photonic device applications A Parida, B Dandasena, TK Mallik, S Chinnaiyah, R Naik Nanoscale Advances 7 (11), 3281-3292 , 2025 2025 Citations: 4
Enhanced two-photon absorption in hydrothermally synthesized La2O6Te nanorods for visible light photodetection PC Kumar, S Supriya, A Mohapatra, S Chinnaiyah, R Naik Nanoscale 17 (4), 2326-2344 , 2025 2025 Citations: 15
Tuning Hydrophilicity and Photoresponse by Interfacial Ag Diffusion in the Sb 2 S 3 Layer for Optoelectronic Applications: An Experimental and Computational Study PC Kumar, S Kanungo, P Pradhan, SK Biswal, J Kumar, C Sripan, R Naik The Journal of Physical Chemistry C 128 (39), 16740-16753 , 2024 2024 Citations: 16
Improvement of photovoltaic performance on inverted chalcostibite CuSbS 2 solar cells using Sr-doped TiO 2 window layers S Chinnaiyah, R Naik, R Ramesh Babu Journal of Materials Science: Materials in Electronics 35 (15), 1015 , 2024 2024 Citations: 6
SnS/MnSe heterostructures for enhanced optoelectronics and dielectric applications A Parida, SK Samal, S Chinnaiah, R Naik Nanoscale Advances 6 (24), 6365-6377 , 2024 2024 Citations: 7
Cu-poor chalcostibite CuSbS 2 thin films for inverted photovoltaic applications S Chinnaiyah, D Alagarasan, R Ganesan, RR Babu Applied Physics A 129 (4), 238 , 2023 2023 Citations: 3
MOST CITED SCHOLAR PUBLICATIONS
Influence of Bi content on linear and nonlinear optical properties of As40Se60-xBix chalcogenide thin films M Behera, R Naik, C Sripan, R Ganesan, NC Mishra Current Applied Physics 19 (8), 884-893 , 2019 2019 Citations: 86
Structural, linear and non-linear optical properties of annealed and irradiated Ag/Se heterostructure films for optoelectronic applications R Naik, A Aparimita, C Sripan, R Ganesan Optik 194, 162894 , 2019 2019 Citations: 53
Sulfurization and annealing effects on thermally evaporated CZTS films C Sripan, VE Madhavan, AK Viswanath, R Ganesan Materials Letters 189, 110-113 , 2017 2017 Citations: 51
Influence of low energy Ag ion irradiation for formation of Bi 2 Se 3 phase from Bi/GeSe 2 heterostructure thin films A Aparimita, R Naik, S Sahoo, C Sripan, R Ganesan Applied Physics A 126 (3), 203 , 2020 2020 Citations: 48
Laser induced Bi diffusion in As40S60 thin films and the optical properties change probed by FTIR and XPS R Naik, PP Sahoo, C Sripan, R Ganesan Optical Materials 62, 211-218 , 2016 2016 Citations: 48
Effect of Bi addition on the optical properties of Ge30Se70-xBix thin films A Aparimita, M Behera, C Sripan, R Ganesan, S Jena, R Naik Journal of Alloys and Compounds 739, 997-1004 , 2018 2018 Citations: 46
Photo darkening in As50Se50 thin films by 532 nm laser irradiation R Naik, C Sripan, R Ganesan Optics & Laser Technology 90, 158-164 , 2017 2017 Citations: 45
Photo- and thermally induced property change in Ag diffusion into Ag/As 2 Se 3 thin films A Aparimita, C Sripan, R Ganesan, R Naik Applied Physics A 124 (3), 267 , 2018 2018 Citations: 42
Thermal annealing induced structural, optical and electrical properties change in As40Se60-xBix chalcogenide thin films M Behera, NC Mishra, R Naik, C Sripan, R Ganesan AIP Advances 9 (9) , 2019 2019 Citations: 26
Morphology Controlled n-Type TiO 2 and Stoichiometry Adjusted p-Type Cu 2 ZnSnS 4 Thin Films for Photovoltaic Applications S Varadharajaperumal, C Sripan, R Ganesan, G Hegde, ... Crystal Growth & Design 17 (10), 5154-5162 , 2017 2017 Citations: 26
Influence of solvent on solution processed Cu2ZnSnS4 nanocrystals and annealing induced changes in the optical, structural properties of CZTS film C Sripan, D Alagarasan, S Varadharajaperumal, R Ganesan, R Naik Current Applied Physics 20 (8), 925-930 , 2020 2020 Citations: 24
Laser-induced optical photobleaching in Bi-doped Ge30Se70 amorphous thin films A Aparimita, R Naik, C Sripan, R Ganesan Applied Physics. A, Materials Science & Processing 126 (1), 5 , 2020 2020 Citations: 17
Characterization of thermally evaporated CZTSe thin films used by compositionally controlled alloys C Sripan, R Ganesan, R Naik, AK Viswanath Optical Materials 62, 199-204 , 2016 2016 Citations: 17
Tuning Hydrophilicity and Photoresponse by Interfacial Ag Diffusion in the Sb 2 S 3 Layer for Optoelectronic Applications: An Experimental and Computational Study PC Kumar, S Kanungo, P Pradhan, SK Biswal, J Kumar, C Sripan, R Naik The Journal of Physical Chemistry C 128 (39), 16740-16753 , 2024 2024 Citations: 16
Influence of thermal annealing on optical and structural properties change in Bi-doped Ge 30 Se 70 thin films A Aparimita, C Sripan, R Ganesan, S Jena, R Naik Phase Transitions 91 (8), 872-886 , 2018 2018 Citations: 16
Enhanced two-photon absorption in hydrothermally synthesized La2O6Te nanorods for visible light photodetection PC Kumar, S Supriya, A Mohapatra, S Chinnaiyah, R Naik Nanoscale 17 (4), 2326-2344 , 2025 2025 Citations: 15
Annealing induced transformations in structural and optical properties of Ge 30 Se 70− x Bi x thin films A Aparimita, R Naik, C Sripan, R Ganesan Phase Transitions 92 (8), 683-698 , 2019 2019 Citations: 14
The effect of sulfur on the phase formation of Cu2ZnSnS4 solar cell material C Sripan, R Ganesan, EM Vinod, AK Viswanath Materials Letters 180, 295-297 , 2016 2016 Citations: 12
Photo and thermal induced Bi2Se3 formation from Bi/GeSe2 hetero junction layer for topological insulator A Aparimita, C Sripan, R Ganesan, R Naik Optical Materials 89, 157-163 , 2019 2019 Citations: 11
Influence of Ge addition on the optical properties of As 40 Se 50 Ge 10 thin film probed by spectroscopy techniques R Naik, J Pradhan, C Sripan, R Ganesan Phase Transitions 91 (5), 477-489 , 2018 2018 Citations: 11