Dr.G. Gopika

Assistant Professor



Mobile: :+91 9645037589
Email ID (Official)   : gopika.irc@sathyabama.ac.in

Scientific Connect

Scopus ID and Link: https://www.scopus.com/authid/detail.uri?authorId=57200695087
WoS ID and Link: https://www.webofscience.com/wos/author/record/AAD-3212-2022
Google Scholar: https://scholar.google.com/citations?user=Vvg-keoAAAAJ&hl=en
VIDWAN: https://vidwan.inflibnet.ac.in/profile/321055
Research Gate: https://www.researchgate.net/profile/Gopika-Gopakumar?ev=hdr_xprf
Orcid id and link: https://orcid.org/my-orcid?orcid=0000-0001-6100-5575
Linkedin: https://www.linkedin.com/in/gopika-g-phd-0a4351ab/


Ph.D.

Research Area : Energy conversion devices, Third generation solar cells, Two dimensional nanomaterials
Institute / University : Amrita Vishwa Vidyapeetham
Awarded Year : 2021
Thesis Title :Design and Development of 2D Layered Transition Metal Di-Chalcogenide based Dye Sensitized Solar Cells.


Research Interests

  • Photovoltaics - Perovskite Solar Cells, Dye sensitized solar cells, Quantum dot solar cells, Thin film solar cells

  • Photodetectors- development of wideband, self-powered, flexible devices

  • Hydrogen Production- HER, SOECs, Fuel Cells

  • Thin film material processing and surface property analysis

  • Two-dimensional materials based flexible devices

  • Photoelectrochemistry


Research Projects


Project 1

Project Title : CsPbBr3 perovskite/Transition Metal Di-Chalcogenides (TMDCs) based composite solar cell for enhanced power conversion efficiency
Funding Agency : Science and Engineering Research Borad (SERB), Department of Science and Technology (DST), Government of India
Scheme : Teachers Associateship for Research Excellence (TARE)
Project Period : 2022-2025
Project Status : Ongoing
PI : Dr. Gopika G

Project 2

Project Title : Development of 1T Transition Metal Di-Chalcogenides (TMDCs) based heterostructures for efficient Hydrogen Evolution Reaction (HER)
Funding Agency : Department of Atomic Energy (DAE), Union Grants Commission (UGC), Government of India
Scheme : Consortium for Scientific Research (CSR))
Project Period : 2023-2026
Project Status : Ongoing
PI/Co-PI : Dr. Gopika G/ Dr. Subhenjit Hazra/ Dr. P. Vengatesh

Project 3

Project Title : Development and Fabrication of Advanced Electrodes Architectures for Efficient Hydrogen Production Using Solid Oxide Electrolysis Cells
Funding Agency : Science and Engineering Research Borad (SERB), Department of Science and Technology (DST), Government of India
Scheme : State University Research Excellence (SURE)
Project Period : 2023-2026
Project Status : Ongoing
PI/Co-PI : Dr. Ajith S Kumar/ Dr. Gopika G/ Dr. P Kuppusami

Project 4

Project Title : Development of tunable emissive eco-friendly semiconducting ink for potential anti-counterfeit application
Funding Agency : Department of Atomic Energy (DAE), Union Grants Commission (UGC), Government of India
Scheme : Consortium for Scientific Research (CSR)
Project Period : 2025-2028
Project Status : Ongoing
PI/Co-PI : Dr. Subhenjit Hazra / Dr. Gopika G

Publications

  1. Sajiv, K.S., Gopakumar, G. and Shanmugam, M., 2021. Integrated photo-absorption and improved charge transport kinetics in atomically thin MoSe2-incorporated nanostructured ZnO photo-anodes for dye-sensitized solar cells. Applied Physics A, 127(12), p.966. https://doi.org/10.1007/s00339-021-05127-y
  2. Powar, N.S., Gopakumar, G., Ramanathan, K.V., Nair, S.V. and Shanmugam, M., 2020. Chemical bath deposited WS 2 quantum dots on TiO 2 for dye sensitized solar cell applications. Optical and Quantum Electronics, 52, pp.1-8. https://doi.org/10.1007/s11082-019-2190-4
  3. Srinivasan, L., Ramanathan, K.V., Gopakumar, G., Nair, S.V. and Shanmugam, M., 2020. RF‐sputtered tungsten enabled surface plasmon effect in dye sensitised solar cells. IET Optoelectronics, 14(5), pp.274-277. https://doi.org/10.1049/iet-opt.2019.0106
  4. Gopakumar, G., Nair, S.V. and Shanmugam, M., 2020. Assessing the role of plasma-engineered acceptor-like intra-and inter-grain boundaries of heterogeneous WS2–WO3 nanosheets for photocurrent characteristics. Nanoscale Advances, 2(6), pp.2276-2283. https://doi.org/10.1039/d0na00158a
  5. Gopakumar, G., Nair, S.V. and Shanmugam, M., 2020. Plasma driven nano-morphological changes and photovoltaic performance in dye sensitized 2D-layered dual oxy-sulfide phase WS 2 films. Nanoscale, 12(1), pp.239-247. https://doi.org/10.1039/c9nr07566f
  6. Gopakumar, G., Nair, S.V. and Shanmugam, M., 2019. Hydrothermal processed heterogeneous MoS2 assisted charge transport in dye sensitized solar cells. Applied Physics A, 125(12), p.822. https://doi.org/10.1007/s00339-019-3126-3
  7. Gopakumar, G., Ashok, A., Nair, S.V. and Shanmugam, M., 2019. Atomically thin 2D layered MoS 2-enabled photo-current characteristics in TiO 2 nanoparticle films. Applied Nanoscience, 9, pp.1611-1619. https://doi.org/10.1007/s13204-019-01106-1
  8. Gopakumar, G., Ashok, A., Vijayaraghavan, S.N., Nair, S.V. and Shanmugam, M., 2018. MoO3 surface passivation on TiO2: An efficient approach to minimize loss in fill factor and maximum power of dye sensitized solar cell. Applied Surface Science, 447, pp.554-560. https://doi.org/10.1016/j.apsusc.2018.04.013
  9. Gopakumar, G., Menon, H., Ashok, A., Nair, S.V. and Shanmugam, M., 2018. Two dimensional layered electron transport bridges in mesoscopic TiO2 for dye sensitized solar cell applications. Electrochimica Acta, 267, pp.63-70. https://doi.org/10.1016/j.electacta.2018.02.061
  10. Menon, H., Gopakumar, G., Sankaranarayanan Nair, V., Nair, S.V. and Shanmugam, M., 2018. 2D‐Layered MoS2‐Incorporated TiO2‐Nanofiber‐Based Dye‐Sensitized Solar Cells. ChemistrySelect, 3(21), pp.5801-5807. https://doi.org/10.1002/slct.201702953
  11. Ashok, A., Gopakumar, G., Vijayaraghavan, S.N., Nair, S.V. and Shanmugam, M., 2018. Understanding hysteresis behavior in SnO 2 nanofiber-based dye-sensitized solar cell. IEEE Journal of Photovoltaics, 8(4), pp.1044-1050. https://doi.org/10.1109/jphotov.2018.2825237
  12. Vijayaraghavan, S.N., Ashok, A., Gopakumar, G., Menon, H., Nair, S.V. and Shanmugam, M., 2018. All spray pyrolysis-coated CdTe–TiO 2 heterogeneous films for photo-electrochemical solar cells. Materials for Renewable and Sustainable Energy, 7, pp.1-9. https://doi.org/10.1007/s40243-018-0120-1
  13. Gopika, G., Asha, A.M., Sivakumar, N., Balakrishnan, A., Nair, S.V. and Subramanian, K.R.V., 2015. Photocatalytic Applications of Electrospun TiO2 Nanofibres Embedded with Bimodal Sized and Prismatic Gold Nanoparticles. Journal of Nanoscience and Nanotechnology, 15(9), pp.7153-7159. https://doi.org/10.1166/jnn.2015.10531
  14. Madhavan, A.A., Kumar, G.G., Kalluri, S., Joseph, J., Nagarajan, S., Nair, S., Subramanian, K.R. and Balakrishnan, A., 2012. Effect of embedded plasmonic au nanoparticles on photocatalysis of electrospun TiO2 nanofibers. Journal of Nanoscience and Nanotechnology, 12(10), pp.7963-7967. https://doi.org/10.1166/jnn.2012.6492

Book Chapters

  1. "Layered 2D Transition Metal Diselenides" Devika Rajan Sajitha, Gopika Gopakumar and Shyju Thankaraj Salammal, Under Review

Awards and Honors

  1. Receiving Fellowship from DST Science and Engineering Research Board under the TARE scheme for the duration of 2022 to 2025.

  2. Fellowship from Ministry of New and Renewable Energy, Govt. of India for the duration of 2010 to 2012.

  3. Received Best poster presentation award in an international conference SCICON 2019 held at Coimbatore, India


Research Innovations

  • Analysis of two-dimensional transition metal di-chalcogenides (TMDCs) as electron transport materials in dye sensitized solar cells.

  • Analysis of grain and grain boundary alignment in WS2-WO3 heterostructure in Ar plasma treated samples.

  • Study of TMDCs as photoactive material and electron transport material in dye sensitized solar cells.