Research Projects

Project 1

Project 2

Project 3

Patents

1. Karthik Kumar .C, Vengatesh .P and Shyju .T.S (2019), "Tunable Optoelectronic Properties And Highly Efficient P-Type Metal Nitride By Barium (Ba) Doping", - Indian patent filed (201941027791) dated 11-07-2019, published on 19-01-2021 and granted on March 2024.

Publications

1. Chinnakutti, K.K., Kirubaharan, A.K., Patra, L., Pandey, R., Theerthagiri, J., Vengatesh, P., Salammal, S.T., Paramasivam, N., Sambandam, A., Kasemchainan, J. and Choi, M.Y., 2023. Modulating the combinatorial target power of MgSnN2 via RF magnetron sputtering for enhanced optoelectronic performance: Mechanistic insights from DFT studies. ACS applied materials & interfaces, 15(11), pp.14546-14556.https://doi.org/10.1021/acsami.2c22514.
2. kumar Chinnakutti, K., Patra, L., Panneerselvam, V., Govindarajan, D., Kheawhom, S., Theerthagiri, J., Yu, Y., Salammal, S.T. and Choi, M.Y., 2022. Lithium inserted ZnSnN2 thin films for solar absorber: n to p-type conversion. Materials Today Chemistry, 25, p.100957. https://doi.org/10.1016/j.mtchem.2022.100957
3. Sundaram, S.K., Subramanian, S., Panneerselvam, V. and Salammal, S.T., 2021. Temperature-dependent phase transition of CuZnS thin films and its effects on morphological, optical and electrical properties. Thin Solid Films, 733, p.138810. https://doi.org/10.1016/j.tsf.2021.138810
4. Chinnakutti, K.K., Panneerselvam, V. and Salammal, S.T., 2021. Impact of Cu addition on the optoelectronic properties of Zn3N2 thin films: n to p-type transitions. Materials Science and Engineering: B, 265, p.115039. https://doi.org/10.1016/j.mseb.2020.115039
5. kumar Chinnakutti, K., Panneerselvam, V. and Salammal, S.T., 2021. Ba-acceptor doping in ZnSnN2 by reactive RF magnetron sputtering:(002) faceted Ba–ZnSnN2 films. Journal of Alloys and Compounds, 855, p.157380. https://doi.org/10.1016/j.jallcom.2020.157380
6. Salammal, S.T., Panneerselvam, V., Chinnakutti, K.K., Manidurai, P. and Parasuraman, K., 2021. Highly crystalline methylammonium lead iodide films: Phase transition from tetragonal to cubic structure by thermal annealing. Journal of Vacuum Science & Technology A, 39(2) https://doi.org/10.1116/6.0000635
7. Chinnakutti, K.K., Panneerselvam, V., Govindarajan, D., kumar Soman, A., Parasuraman, K. and Salammal, S.T., 2019. Optoelectronic and electrochemical behaviour of γ-CuI thin films prepared by solid iodination process. Progress in Natural Science: Materials International, 29(5), pp.533-540. https://doi.org/10.1016/j.pnsc.2019.09.005.
8. Sundaram, S.K., Subramanian, S., Panneerselvam, V. and Salammal, S.T., 2019. Preferentially oriented CuCdS2 thin films and thickness effects on structural, optical and electrical properties. Applied Physics A, 125(5), p.356. https://doi.org/10.1007/s00339-019-2656-z
9. Panneerselvam, V., Salammal, S.T., Chinnakutti, K.K. and Manidurai, P., 2019. Vibrational modes, chemical states and thermal stability of mechanochemically synthesized methylammonium lead iodide (CH3NH3PbI3) perovskites. Materials Letters, 241, pp.140-143. https://doi.org/10.1016/j.matlet.2019.01.069
10. Chinnakutti, K.K., Panneerselvam, V. and Salammal, S.T., 2019. Investigation on structural and optoelectronic properties of in-situ post growth annealed ZnSnN2 thin films. Materials Science in Semiconductor Processing, 89, pp.234-239. https://doi.org/10.1016/j.mssp.2018.09.016
11. Chinnakutti, K.K., Salammal, S.T., Panneerselvam, V., Parasuraman, K. and Vishwakarma, V., 2018. Highly transparent zinc nitride thin films by RF magnetron sputtering with enhanced optoelectronic behavior. Materials Science and Engineering: B, 232, pp.33-40. https://doi.org/10.1016/j.mseb.2018.10.016
12. kumar Chinnakutti, K., Panneerselvam, V. and Salammal, S.T., 2019. Tailoring optoelectronic properties of earth abundant ZnSnN2 by combinatorial RF magnetron sputtering. Journal of Alloys and Compounds, 772, pp.348-358. https://doi.org/10.1016/j.jallcom.2018.08.331
13. Kumar, S.A., Kuppusami, P. and Vengatesh, P., 2018. Auto-combustion synthesis and electrochemical studies of La0. 6Sr0. 4Co0. 2Fe0. 8O3-δ–Ce0. 8Sm0. 1Gd0. 1O1. 90 nanocomposite cathode for intermediate temperature solid oxide fuel cells. Ceramics International, 44(17), pp.21188-21196. https://doi.org/10.1016/j.ceramint.2018.08.164
14. Panneerselvam, V., Chinnakutti, K.K., Thankaraj Salammal, S., Soman, A.K., Parasuraman, K., Vishwakarma, V. and Kanagasabai, V., 2018. Role of copper/vanadium on the optoelectronic properties of reactive RF magnetron sputtered NiO thin films. Applied Nanoscience, 8, pp.1299-1312. https://doi.org/10.1007/s13204-018-0784-y
15. Vengatesh, P., Shyju, T.S. and Kuppusami, P., 2018. Fabrication of planar heterojunction oxide solar cells by radio frequency magnetron sputtering. Materials Letters, 220, pp.197-200. https://doi.org/10.1016/j.matlet.2018.03.037
16. Vengatesh, P. and Kulandainathan, M.A., 2015. Hierarchically ordered self-lubricating superhydrophobic anodized aluminum surfaces with enhanced corrosion resistance. ACS applied materials & interfaces, 7(3), pp.1516-1526. https://doi.org/10.1021/am506568v

National Journals & Conference Proceedings

1. A Sagaya Amala Immanuel, Anandhi Sivaramalingam, Vengatesh P, Shyju Thankaraj Salammal, Development of phase pure Cu2ZnSiSe4 via solid state synthesis for energy applications, Materials Today: Proceedings,2023.
2. RS Devika, P Vengatesh, TS Shyju, Review on ternary chalcogenides: potential photoabsorbers, Materials Today: Proceedings, 2023.
3. Vengatesh, P. and Shyju T.S. Effect of substrate temperature on reactive RF magnetron sputtered SnO2 thin films for photovoltaic applications. Materials Today: Proceedings 47, 1035-1039 (2021).
4. R Sriharan, S Anandhi, Vengatesh, P. and Shyju, T. S. Effect of substrate temperature on thermally evaporated CdS/CZTS for solar cell fabrication. Materials Today: Proceedings 47, A8-A12 (2021).
5. Vengatesh, P., Karthik Kumar, C. and Shyju, T. S. One-dimensional TiO2 by electrochemical anodization of DC sputtered Ti films. J Indian Chem Soc., 6, 100–102 (2019).

Book Chapters

1. RS Devika, Sagaya A Immanuel, Vengatesh. P, Shyju Thankaraj Salammal, Shamima Hussain, High Performance Quaternary Chalcogenides for Solar Energy Conversion, BOOK- Encyclopedia of Renewable Energy, Sustainability and the Environment. 547-566.
2. Rajkumar .C, Vengatesh .P, Shyju .T.S, Arulraj .A and RV Mangalaraja, “Halide perovskites for Photodetectors” in book “Low-Dimensional Halide Perovskites: Structure, Synthesis and Applications”, Elsevier, January 2023.
3. Vengatesh .P, Karthik kumar .C, Shyju .T.S and Paulraj .M, “Bio-waste derived carbon as electrode materials for batteries” in book “Biomass-Derived Carbon Materials: Production and Applications”, Wiley, 30 November 2022
4. Shyju .T.S, Anandhi .S, Vengatesh .P, Karthik Kumar .C and Paulraj .M (2019), “Graphitic Carbon Nitride Based Nanocomposites as Photoanodes”, John Wiley & Sons, Inc. pp. 247-263.
5. S. Karuppusamy, Vengatesh. P, and M. Anbu Kulandainathan, Eco-Friendly Cellulose–Polymer Nanocomposites: Synthesis, Properties and Applications, (Springer India 2015) V.K. Thakur and M.K. Thakur (eds.), Eco-friendly Polymer Nanocomposites, Advanced Structured Materials 74, DOI 10.1007/978-81-322-2473-0_15.

Awards and Honors

1. DST –Travel grant through ITS from DST-SERB for attending PSCO 2019 held at EPFL, Switzerland.

2. International Best researcher Award, by ISSN awards in the field of solar cells.

3. Best presenter award in E-APP 2016 (International Conference) held at Sathyabama Institute of Science and Technology in association with university of Lorraine, France during 27th – 29th June 2016.

4. Best presenter award in National symposium on sustainable energy conversion and storage materials held at Centre of Excellence for Energy Research, during 26th – 27th April 2018.

5. Professor Mallayan Palaniandavar Endowment Gold medal

6. Urumu Seshachalam Chettiar Endowment Gold medal

7. Professor P. Natarajan Endowment Gold medal

8. Summer Fellowship from Indian Academy of Sciences, Bangalore, for the period of two months

Research Innovations

• Development of heterojunction oxide solar cells using delafossite oxides

• Preparation of triple cation based organic-inorganic mixed halide perovskites

• Utilization of Inorganic hole transporting layer in planar heterojunction devices

• Cost-effective approach to attain perovskite precursor solutions