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Dr. S. Maruthamuthu serves as Professor and Head (in-charge) of the Department of Physics at PSG Institute of Technology and Applied Research, Coimbatore, India. He holds a BS and MS in Physics from Bharathidasan University and a PhD in Material Science. Appointed to his current position since September 2020, he contributes to teaching and research in advanced materials physics. Recognized as a PhD supervisor by Anna University (Supervisor ID: 3370011), he has successfully guided scholars including Mr. S. M. Shankar (full-time, viva-voce July 2023) and Mr. M. Selvakumar (part-time, viva-voce May 2024), while currently supervising full-time and part-time researchers such as Ms. B. Kavya and Ms. P. Karthika.
Dr. Maruthamuthu's research specializations encompass dye-sensitized solar cells, energy storage devices, and thin films, with applications in Schottky barrier diodes, photodetectors, supercapacitors, and photocatalysis. His key publications include 'Hybrid solar cell based on blending of organic and inorganic materials—An overview' (Renewable and Sustainable Energy Reviews, 2011), 'Ultra-high photoresponse with superiorly sensitive metal-insulator-semiconductor (MIS) structured diodes for UV photodetector application' (Applied Surface Science, 2019), 'Colossal photosensitive boost in Schottky diode behaviour with Ce-V2O5 interfaced layer of MIS structure' (Sensors and Actuators A: Physical, 2020), 'Design of zinc vanadate (Zn3V2O8)/nitrogen doped multiwall carbon nanotubes (N-MWCNT) towards supercapacitor electrode applications' (Journal of Electroanalytical Chemistry, 2021), 'Improved photocatalytic degradation of rhodamine B under visible light and magnetic properties using microwave combustion grown Ni doped copper ferrite spinel nanoparticles' (Solid State Sciences, 2021), and recent works such as 'High-performance battery type bismuth vanadate electrodes for supercapacitors' (2024) and 'Zinc positioning’s impact on electrochemical stability of γ-Al2O3 for supercapacitor efficiency' (2024). These contributions have advanced thin film technologies for energy conversion and storage devices.