Dr. Ganesh Shridhar Hegde Assistant Professor

Specialization

Astrophysics, Martian Atmosphere, Quasars, and Condensed Matter Physics, Thermoelectric Materials, Single crystals, Bulk Materials

Areas Of Interest

Variable star observation, Astrophysics, Martian Atmosphere, QuasarsThermoelectric materials, Conducting polymers, Flexible devices

Programs Organised

• Conference: 4th International Conference on “Global Trends in Sustainable Technology and its Applications in Applied Sciences (ICGTSTAS-2024)”
• Date: 24th to 25th October 2024
• Mode: Hybrid
• Organized by: School of Applied Sciences, REVA University
• In collaboration with: INTI International University

Qualification

Ph.D.

Teaching Experience

3 years

Vidwan ID/Profile URL

https://vidwan.inflibnet.ac.in/profile/412111

Scopus ID/Google Scholar ID

57211928164

Funded Project (amount sanctioned)

Fabrication and Characterization of cost-effective conducting

polymer/chalcogenides flexible thermoelectric devicesCRS/2024-25/1718

PhDs Guided/PhDs Guiding

Presently Guiding 2 PhD students

Publications In Refereed Journals

• G.S. Hegde, A.N. Prabhu, Ashok Rao, P.D. Babu, Enhancement of thermoelectric performance of In doped Bi2Te2.7Se0.3 compounds, Physica B: Condensed Matter, 584, 412087 (2020).
• G.S. Hegde, A.N. Prabhu, R.Y. Huang, Y.K. Kuo, Reduction in thermal conductivity and electrical resistivity of indium and tellurium co-doped bismuth selenide thermoelectric system, Journal of Materials Science: Materials in Electronics, 31, 19525–19534 (2020).
• G.S. Hegde, A.N. Prabhu, Y.H. Gao, Y.K. Kuo, V.R. Reddy, Potential thermoelectric materials of indium and tellurium co-doped bismuth selenide single crystals grown by melt growth technique, Journal of Alloys and Compounds, 866, 158814 (2021).
• G.S. Hegde, A.N. Prabhu, Ashok Rao, M.K. Chattopadhyay, Enhancement in thermoelectric figure of merit of bismuth telluride system, Materials Science and Semiconductor Processing, 127, 105645 (2021).
• G.S. Hegde, A.N. Prabhu, M.K. Chattopadhyay, Improved electrical conductivity and power factor in Sn and Se co-doped melt-grown Bi2Te3 single crystal, Journal of Materials Science: Materials in Electronics, 20, 24871–24880 (2021).
• G.S. Hegde, A.N. Prabhu, R.Y. Huang, Y.K. Kuo, Reduction in electrical resistivity of bismuth selenide single crystal via Sn and Te co-doping, Materials Chemistry and Physics, 278, 125675 (2022).
• G.S. Hegde, A.N. Prabhu, A Review on Doped/Composite Bismuth Chalcogenide Compounds for Thermoelectric Device Applications: Various Synthesis Techniques and Challenges, Journal of Electronic Materials, 51, 2014–2026 (2022).
• V. Parol, V. Upadhyaya, G.S. Hegde, N.K. Lokanath, A.N. Prabhu, Structural and optical characterization of novel nitro substituted D-π-A-π-A type chalcone single crystal showing second-order and third-order nonlinear optical properties, Physica B: Condensed Matter, 580, 4598 (2019).
• G.S. Hegde, V. Parol, Ashok Rao, A.N. Prabhu, J.B. Levinsky, G.R. Blake, Thermoelectric properties of co-doped (Bi0.98In0.02)2Te2.7Se0.3/reduced graphene oxide composites prepared by solid-state reaction, Materials Research Bulletin, 145, 111517 (2022).
• G.S. Hegde, Ashok Rao, A.N. Prabhu, Gurukrishna K, Deepika S, Investigation of near room and high temperature thermoelectric properties of (Bi0.98In0.02)2Se2.7Te0.3/Bi2Se3 composite system, Journal of Materials Science: Materials in Electronics, 33, 2563–2573 (2022).
• G.S. Hegde, A.N. Prabhu, S. Putran, Ashok Rao, Gurukrishna K, D.S. U Shanubhogue, Thermoelectric composite of (Bi0.98In0.02)2Te2.7Se0.3/Bi2Se3 with enhanced thermopower and reduced electrical resistivity, Journal of Electronic Materials, 52, 3749–3761 (2023).
• G.S. Hegde, A.N. Prabhu, M.K. Chattopadhyay, Influence of indium and selenium co-doping on structural and thermoelectric properties of Bi2Te3 alloys, Journal of Materials Science: Materials in Electronics, 34, 1234–1242 (2023).
• G.S. Hegde, A.N. Prabhu, Ashok Rao, D.S.U. Shanubhogue, S. Putran, Enhancing the thermoelectric power factor by lowering the electrical resistivity of Bi2Se3/NaI composites prepared by solid-state reaction, Journal of Electronic Materials, 52, 8076–8088 (2023).
• G.S. Hegde, A.N. Prabhu, Thermoelectric analysis of (Bi0.98In0.02)2Te2.7Se0.3/Polyaniline and (Bi0.98In0.02)2Se2.7Te0.3/Polyaniline composites, Journal of Materials Science: Materials in Electronics, 34, 1896–1907 (2023).
• G.S. Hegde, K.R. Jahnavi, A Review on Nano Fluid Production, Mathematical Modelling and Applications, Journal of Nanofluids, 13, 269–282 (2024).
• S. Shirodkar, A.N. Prabhu, S. Putran, Ashok Rao, D.S.U. Shanubhogue, G.S. Hegde, Potential improvement in power factor of (Bi0.98Ge0.02)2Te2.7Se0.3 compound due to defect engineering, Journal of Materials Science: Materials in Electronics, 35, 901–912 (2024).
• M.J. Panjikaran, A. Pramitha, V. Mishra, G.S. Hegde, A.N. Prabhu, N.J. Choudhari, A. Timoumi, Y. Raviprakash, Solution-Free Melt-Grown CsGeI3 Polycrystals for Lead-Free Perovskite Photovoltaics: Synthesis, Characterization, and Theoretical Insights, Journal of Electronic Materials, 53, 10–19 (2024).
• S. Putran, G.S. Hegde, A.N. Prabhu, Review of Chalcogenide-Based Materials for Low-, Mid-, and High-Temperature Thermoelectric Applications, Journal of Electronic Materials, 53, 10–25 (2024).
• S. Puthran, G.S. Hegde, A.N. Prabhu, V. Mishra, T.Y. Yang, Y.K. Kuo, A comprehensive experimental and DFT analysis on thermoelectric properties of Sb, Te co-doped Bi2Se3 polycrystals, Journal of Materials Science, 59, 26–40 (2024).
• G.S. Hegde, A.N. Prabhu, R. Nayak, C.F. Yang, Y.K. Kuo, Tuning of power factor in bismuth selenide through Sn/Te co-doping for low temperature thermoelectric applications, Applied Physics A, 130, 7 (2024).
• S. Nalina, S. Kumar, T. Bhat, V. Prakruthi, N.S. Keerthana, S.S. Pattanshetty, D. Vinay, R.R. Potadar, S. Putran, A.N. Prabhu, M.S. Murari, M. Pillegowda, K.R. Jahnavi, G.S. Hegde, Impact of NaI/KI blending on structural, optical, and impedance properties of sodium carboxymethyl cellulose biopolymer films, Polymer Bulletin (Accepted, 2024).
• S. Puthran, G.S. Hegde, A.N. Prabhu, Y.H. Chen, Y.K. Kuo, V. Mishra, An insight into experimental and theoretical thermoelectric property of antimony and tellurium-doped Bi2Se3 single crystals, Journal of Materials Science: Materials in Electronics, 36, 546–556 (2024).

UG / PG Projects

Guided 8 PG students