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List of Publications
24. Suryakant Singh*, Rakesh Suthar*, Akihiro Tomimatsu, Pooja Rani, Michio M. Matsushita, Kunio Awaga, and Supravat Karak. "Ultrafast Highly Sensitive Self‐Powered MSIM Photodetector Based on Organic Semiconductor/Dielectric Interfaces for Broadband Visible to Near‐Infrared Communication." Advanced Functional Materials (2025): 2425426. https://doi.org/10.1002/adfm.202425426 (Equal first author contribution)
📰 This article was featured in several news and media outlets. https://etgovernment.com/s/rb78kb7
23. Hemraj Dahiya, Rakesh Suthar, Supravat Karak, and Ganesh D. Sharma. "Strategies and Mechanisms To Minimize Energy Loss in Non-Fullerene Bulk Heterojunction Organic Solar Cells: Experimental and Computational Approaches." Energy Fuels 2025, 39, 11, 5145–5162. https://doi.org/10.1021/acs.energyfuels.5c00379
22. Vaibhav Sharma, Rakesh Suthar, Supravat Karak, and Aloka Sinha. "Achieving High Efficiency in Luminescent Solar Concentrators Using Polymer Stabilized Cholesteric Liquid Crystal." ACS Appl. Opt. Mater. 2025, 3, 2, 259–271. https://doi.org/10.1021/acsaom.4c00415
21. Kartiki Chandratre, Punit Sharma, Suzanne Thomas, Ershad Parvazian, Rahul Patidar, Rodrigo Rodriguez, Emmanuel Pean, Rakesh Suthar, Tom Dunlop, Sandeep Pathak, Trystan Watson*, Supravat Karak*. "The empirical study of polymer-in-perovskite precursor: Correlation of the morphological changes to the optoelectronics." ACS Appl. Energy Mater. 2024, 7, 14, 5595–5607. https://doi.org/10.1021/acsaem.4c00982
20. Hemraj Dahiya, Rakesh Suthar, Manish Kumar Singh, Supravat Karak, and Ganesh D. Sharma*. "Exploiting Mechanism of Enhanced Charge Transfer in Ternary Organic Solar Cells at Low Energy Loss." Sol. RRL 2400323. https://doi.org/10.1002/solr.202400323
19. Hemraj Dahiya, Rakesh Suthar, Manish Kumar Singh, Rahul Singhal, Supravat Karak, and Ganesh D. Sharma*. "Solution processed Co3O4-based Hole Transport Layer for Non-fullerene Organic Solar Cells." ACS Appl. Electron. Mater. 2024. https://doi.org/10.1021/acsaelm.3c01372
18. Rakesh Suthar, Abhijith T, and Supravat Karak*. "Machine-Learning-Guided Prediction of Photovoltaic Performance for Non-fullerene Organic Solar Cells using Novel Molecular and Structural Descriptors." RSC J. Mater. Chem. A. 11 (2023) 22248–22258. https://doi.org/10.1039/D3TA04603F
17. Rakesh Suthar, Hemraj Dahiya, Supravat Karak*, and Ganesh D. Sharma*. "Indoor Organic Solar Cell for Low-power IoT Devices: Recent Progress, Challenges, and Applications." RSC J. Mater. Chem. C 11 (2023) 12486–12510. https://doi.org/10.1039/D3TC02570E
16. Abhijith T#, Rakesh Suthar#, and Supravat Karak*. "Photocurrent Enhancement in Organic Solar Cells Utilizing the Synergistic Plasmonic Responses of Multi-shaped Au Nanostructures Hybridized with Few Layer WS2 Nanosheets." ACS Appl. Nano Mater. 2023, 6, 13, 11737–11746. https://doi.org/10.1021/acsanm.3c01699 (Equal first author contribution)
15. Hemraj Dahiya, Rakesh Suthar, Manish Kumar Singh, Rahul Singhal, Supravat Karak, Ganesh D. Sharma*. "A Facile Approach for Efficient Non-fullerene Based Binary and Ternary Organic Solar Cell Using Hydrated Vanadium Pentoxide as Hole Transport Layer." ACS Applied Energy Materials 2023, 6, 6, 3442–3451. https://doi.org/10.1021/acsaem.2c04156
14. Punit Sharma, Aniket Rana, T. Abhijith, Rakesh Suthar, and Supravat Karak*. "Accessing Deep Traps Distribution in FeS2 Doped Organic Photovoltaics." Energy Technology 2023, 11, 2201087. https://doi.org/10.1002/ente.202201087
13. Abhijith T, Shiju E, Rakesh Suthar, Sheenu Thomas, and Supravat Karak*. "Au–WS2 Nanohybrids with Enhanced Optical Nonlinearity for Optical Limiting Applications." ACS Applied Nano Materials 2023, 6 (4), 2327-2335. https://doi.org/10.1021/acsanm.2c04262
12. Rakesh Suthar, Abhijith T, Hemraj Dahiya, Abhishek Kumar Singh, Ganesh D. Sharma, Supravat Karak*. "Role of Exciton Lifetime, Energetic Offsets and Disorder in Voltage Loss of Bulk Heterojunction Organic Solar Cells." ACS Applied Material and Interface 2023, 15, 2, 3214–3223. https://doi.org/10.1021/acsami.2c18199
11. Rakesh Suthar, Abhijith T, Punit Sharma, and Supravat Karak*. "Machine learning framework for the analysis and prediction of Energy Loss for Non-fullerene Organic Solar Cells." Solar Energy, 2023, 250, 119-127. https://doi.org/10.1016/j.solener.2022.12.029
10. Rakesh Suthar, Hemraj Dahiya, Supravat Karak*, and Ganesh D. Sharma*. "Ternary organic solar cells: Recent insight on structure-processing property performance relationships." Energy Technology, 2022, 11, 2201176. https://doi.org/10.1002/ente.202201176
9. Hemraj Dahiya#, Rakesh Suthar#, Kanupriya Khandelwal, Supravat Karak*, and Ganesh D. Sharma*. "Recent Advances in Organic and Inorganic Hole and Electron Transport Layers for Organic Solar Cells: Basic Concept and Device Performance." ACS Applied Electronic Materials, 2022, 4 (11), 5119-5143. (Equal first author contribution) https://doi.org/10.1021/acsaelm.2c01076
8. Abhijith, T., Shiju, E., Rakesh Suthar, Sharma, P., Thomas, S., and Supravat Karak*. "Understanding the Linear and Nonlinear Optical Responses of Few-Layer Exfoliated MoS2 and WS2 Nanoflakes: Experimental and Simulation Studies." Nanotechnology, 2022, 33, 435702. https://doi.org/10.1088/1361-6528/ac81d7
7. Waheed, S., Pareek, S., Abhijith, T., Rakesh Suthar, Sharma, P., and Supravat Karak*. "Understanding the influences of In-situ annealing and substrate vibration on the charge carrier dynamics of ultrasonic spray-coated polymer solar cell." Journal of Materials Science: Materials in Electronics, 2022, 1-11. https://doi.org/10.1007/s10854-022-08437-w
6. Sharma, G.D., Rakesh Suthar, Pestrikova, A.A., Nikolaev, A.Y., Chen, F.C., Keshtov, M.L*. "Efficient Ternary Polymer Solar Cells Based Ternary Active Layer Consisting of Conjugated Polymers and Non-Fullerene Acceptors with Power Conversion Efficiency Approaching Near to 15.5%." Sol. Energy, 2021, 216. https://doi.org/10.1016/j.solener.2021.01.027
5. Keshtov, M.L., Kuklin, S.A., Ostapov, I.E., Makhaeva, E.E., Rakesh Suthar, Dou, C., Sharma, G.D*. "New High‐Bandgap 8,10‐Dihydro‐9 H ‐Bistieno[2′,3′:7.8;3″,2″:5.6]Naphtho[2,3‐d] Imidazole‐9‐One‐Based Donor–Acceptor Copolymers for Nonfullerene Polymer Solar Cells." Energy Technol., 2021, 8, 2000611. https://doi.org/10.1002/ente.202000611
4. Keshtov, M.L., Kuklin, S.A., Konstantinov, I.O., Ostapov, I.E., Xie, Z., Koukaras, E.N., Rakesh Suthar, Sharma, G.D*. "New Donor-Acceptor Polymers with a Wide Absorption Range for Photovoltaic Applications." Sol. Energy, 2021, 205, 211–220. https://doi.org/10.1016/j.solener.2020.05.059
3. Keshtov, M.L., Kuklin, S.A., Konstantinov, I.O., Khokhlov, A.R., Xie, Z., Dou, C., Koukaras, E.N., Rakesh Suthar, Sharma, G.D*. "Synthesis and Photovoltaic Properties of New Conjugated D‐A Polymers Based on the Same Fluoro‐Benzothiadiazole Acceptor Unit and Different Donor Units." ChemistrySelect, 2021, 5, 853–863. https://doi.org/10.1002/slct.201904353
2. Keshtov, M.L., Kuklin, S.A., Konstantinov, I.O., Khokhlov, A.R., Nikolaev, A.Y., Dou, C., Zou, Y., Rakesh Suthar, Sharma, G.D*. "New Conjugated Polymers Based on Dithieno[2,3-e:3′,2′-g]Isoindole-7,9(8H)-Dione Derivatives for Applications in Nonfullerene Polymer Solar Cells." Solar RRL, 2019, 4. https://doi.org/10.1002/solr.201900475
1. Keshtov, Mukhamed L., Kuklin, S.A., Khokhlov, A.R., Xie, Z., Dou, C., Zou, Y., Ostapov, I.E., Makhaeva, E.E., Rakesh Suthar, Sharma, G.D*. "Synthesis and Photovoltaic Investigation of 8,10-Bis(2-octyldodecyl)-8,10-dihydro-9 H -bisthieno[2′,3′:7,8;3″,2″:5,6] naphtho[2,3- d ]imidazol-9-one Based Conjugated Polymers Using a Nonfullerene Acceptor." ACS Appl. Energy Mater., 2019, 3, 495–505. https://doi.org/10.1021/acsaem.9b01726
Conferences
Suthar Rakesh, Abhijith T and Karak Supravat. Role of Energetic Disorder in Energy Loss of Bulk Heterojunction Organic Solar Cells, in the 6th IEEE International Conference on Emerging Electronics (ICEE), Bangalore, India, 2022, pp. 1-4, doi: 10.1109/ICEE56203.2022.10118065.
Abhijith T, Suthar Rakesh and Karak Supravat. Synthesis of Au-Ws2 Hybrid Nanostructures for Performance Enhancement in Organic Solar Cells, in the 6th IEEE International Conference on Emerging Electronics (ICEE), Bangalore, India, 2022, pp. 1-4, doi: 10.1109/ICEE56203.2022.10118082.
Poster : Suthar Rakesh, Abhijith T, Supravat Karak. Stability and efficiency enhancement in organic solar cells using self-assembled monolayer molecules as hole transport layer, Conference on Advances in Catalysis for Energy and Environment (CACEE-2022), at TIFR, Mumbai.
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