Publications

Research Articles

2024

1. K.S. Gour, N. Kumar, XXXX, Nano Express, 2024. (Under Preparation) 

2. K.S. Gour, P.S. Pawar, M. Lee, V.C. Karade, J. S. Yun, J. Heo, J. Park, J.H. Yun, J.H. Kim, XXXX, ACS Applied Materials & Interfaces, 2024. (Under Review)

3. M. Gaikwad, V. Burungale, D. Gavali, D. Malavekar, S.W. Park, F. Zheng, K.S. Gour, M.R. Alfaro Cruz, J.H. Kim, XXXX, Chemical Engineering Journal, 2024. (Under Review) 

4. M. Kumar, S. Sani, K.S. Gour, K. Kumar, R. Yadav, S. Husale, M. Kumar, V.N. Singh, Detrapping of the carriers from shallow states in highly responsive, fast, broadband (UV-Vis-NIR), self-powered SnSe/Si photodetector with asymmetric metal electrodes, Materials Advances, 5, 2024, 3220-3227. https://doi.org/10.1039/D3MA01127E

2023

5. S.D. Korade*, K.S. Gour*, V.C. Karade, J.S. Jang, M. Rehan, S.S. Patil, T.S. Bhat, A.P. Patil, J. H. Yun, J. Park, J.H. Kim, P.S. Patil, Improved device performance of CZTSSe thin film solar cells using indium doping, ACS Applied Materials & Interfaces, 15, 2023, 57183-57191. https://doi.org/10.1021/acsami.3c13813

6. V.C. Karade, S.S. Sutar, J.S. Jang, K.S. Gour, S.W. Shin, M.P. Suryawanshi, R.K. Kamat, J.H. Yun, T.D. Dongale, J.H. Kim, Unraveling the effect of compositional ratios on the kesterite thin film solar cells using machine learning techniques, Crystals, 13, 2023, 1581.

https://doi.org/10.3390/cryst13111581

7. V.C. Karade, J.S. Jang, K.S. Gour, Y. Park, Hyeonwook Park, Jin Hyeok Kim, Jae Ho Yun, Bandgap Engineering in CZTSSe Thin Films via Controlling S/(S+Se) Ratio, Current Photovoltaic Research, 11, 2023, 67-74. https://doi.org/10.21218/CPR.2023.11.3.067

8. V.C. Karade, S.S. Sutar, S.W. Shin, M.P. Suryawanshi, J.S. Jang, K.S. Gour, R.K. Kamat, J.H. Yun, T.D. Dongale, J.H. Kim, Machine Learning Assisted Analysis, Prediction, and Fabrication of High-Efficiency CZTSSe Thin Film Solar Cells, Advanced Functional Materials, 33, 2023, 2303459. https://doi.org/10.1002/adfm.202303459.

9. K.S. Gour, V.C. Karade, R. Parmar, J.S. Jang, S. Kazim, S. Jang, R. Gunnella, J. Park, J. H. Yun, J.H. Kim, In Search of Disorder Transitions and Defects Within Cu2ZnSn(S,Se)4-Based Absorber Layers via Temperature-Dependent Raman Spectroscopy Technique, Solar RRL, 7, 2023, 2200946. https://doi.org/10.1002/solr.202200946.

10. S. Jang, V.C. Karade, J.S. Jang, E. Jo, H. Shim, S. Kim, K. Patil, K.S. Gour, J.H. Kim, Achieving over 10% device efficiency in Cu2ZnSn(S,Se)4 thin-film solar cells with modifications of window layer properties, Journal of Alloys and Compounds, 930, 2023, 167302. https://doi.org/10.1016/j.jallcom.2022.167302.

11. M. Kumar, K.S. Gour, V.N. Singh, Photodetector performance limitations: Recombination or trapping: power exponent variation with the applied bias to rescue, Journal of Materials Research, 38, 2023, 1813. https://doi.org/10.1557/s43578-022-00890-x.

2022

12. V.C. Karade, J. Lim, K.S. Gour, J.S. Jang, S.J. Shin, J.H. Kim, B.S. Yang, H. Choi, T. Enkhbat, J.H. Kim, J. Yun, H.N. Jang, J.H. Yun, J. Park, J.H. Kim, Overcoming the limitation of low bandgap Cu2ZnSn(S,Se)4 devices under indoor light conditions: From design to prototype IoT application, Journal of Materials Chemistry A, 10, 2022, 23831-23842. https://doi.org/10.1039/D2TA06565G

13. K.S. Gour, V. Karade, M. Lee, J.S. Jang, E. Joa, P. Babar, J.S. Yun, J. Park, J.H. Kim, Engineering of interface and bulk properties in Cu2ZnSn(S,Se)4 thin-film solar cells with ultrathin CuAlO2 intermediate layer and Ge doping, ACS Applied Energy Materials, 5, 2022, 2024-2035. https://doi.org/10.1021/acsaem.1c03569

14. V. Karade, M.P. Suryawanshi, J.S. Jang, K.S. Gour, S. Jang, J. Park, S.W. Shin, J.H. Kim, Understanding defects and band tailing characteristics and their impact on the device performance of Cu2ZnSn(S,Se)4 solar cells, Journal of Materials Chemistry A, 10, 2022, 8466-8478. https://doi.org/10.1039/D2TA00165A

15. E. Jo, S. Kim, K.S. Gour, S. Jang, J.S. Jang, J.H. Kim, Improved Jsc by increasing the absorber layer thickness of monoclinic‐dominated Cu2SnS3 thin film solar cells fabricated on flexible Mo foil, Solar RRL, 6, 2022, 2100743. https://doi.org/10.1002/solr.202100743

16. V. Karade, J.S. Jang, D. Kumbhar, M. Rao, P. Pawar, S. Kim, K.S. Gour, J. Park, J. Heo, T.D. Dongale, J.H. Kim, Combating open circuit voltage loss in Sb2Se3 solar cell with an application of SnS as a back surface field layer, Solar Energy, 233, 2022, 435-445. https://doi.org/10.1016/j.solener.2022.01.010

17. K.S. Gour, V. Karade, J.S. Jang, E. Joa, P. Babar, S. Korade, H. Yoo, S. Kim, D. Kim, J. Park, J.H. Kim, Nanoscale rear interface passivation in Cu2ZnSn(S,Se)4 solar cells through CuAlO2 intermediate layer, ACS Applied Energy Materials, 4, 2021, 5222-5229. https://doi.org/10.1021/acsaem.1c00743

2021

18. K.S. Gour, V. Karade, P. Babar, J. Park, D.M. Lee, V.N. Singh, J.H. Kim, Potential role of kesterites in development of earth-abundant elements based next-generation technology, Solar RRL, 5, 2021, 2000815. https://doi.org/10.1002/solr.202000815

19. B.H. Lee, K.S. Gour, V. Karade, J.S. Jang, J. Kim, E. Jo, M.G. Gang, D.M. Lee, I.J. Lee, J. Park, J.H. Kim, Effect of Ge nanolayer stacking order on the performance of CZTSSe thin film solar cells, Materials Letters, 284, 2021, 128981. https://doi.org/10.1016/j.matlet.2020.128981

20. P. Babar, K. Patil, V. Karade, K.S. Gour, A. Lokhande, S. Pawar, J.H. Kim, In-situ fabrication of Nickel–Iron Oxalate catalysts for electrochemical water oxidation at high current densities, ACS applied materials & interfaces, 13, 2021, 52620-52628. https://doi.org/10.1021/acsami.1c14742

21. J. Park, M. Lee, V. Karade, S.J. Shin, H. Yoo, H. Shim, K.S. Gour, D. Kim, J. Hwang, D. Shin, J. Seidel, Jong H. Kim, J. Yun, J.H. Kim, Suppression of defects through cation substitution: A strategic approach to improve performance of kesterite Cu2ZnSn(S,Se)4 solar cells under indoor light conditions, Solar RRL, 5, 2021, 2100020. https://doi.org/10.1002/solr.202100020

22. M. Kumar, S. Rani, Y. Kumar, K.S. Gour, V.N. Singh, Tin-selenide as a futuristic material: properties and applications, RSC Advances, 11, 2021, 6477-6503. https://doi.org/10.1039/D0RA09807H

23. P. Babar, K. Patil, D.M. Lee, V. Karade, K.S. Gour, S. Pawar, J.H. Kim, Cost-effective and efficient water, and urea oxidation catalysis using nickel-iron oxyhydroxide nanosheets synthesized by an ultrafast method, Journal of Colloid and Interface Science, 584, 2021, 760-769. https://doi.org/10.1016/j.jcis.2020.09.108

2020~2015

24. K.S. Gour, V. Karade, A. Pandey, M. Kumar, B. Bhattacharyya, P. Babar, D.M. Lee, S. Husale, V.N. Singh, J.H. Kim, High-speed, low-bias operated, broadband (Vis-NIR) photodetector based on sputtered Cu2ZnSn(S,Se)4 (CZTSSe) thin films, Sensors and Actuators A: Physical, 314, 2020, 112231. https://doi.org/10.1016/j.sna.2020.112231

25.  K.S. Gour, R. Parmar, R. Kumar, V.N. Singh, Cd-free Zn(O,S) as alternative buffer layer for chalcogenides and kesterites based thin films solar cells: review, Journal of Nanoscience and Nanotechnology, 20, 2020, 3622-3635. https://doi.org/10.1166/jnn.2020.17537

26. N. Muhunthan, K.S. Gour, V.N. Singh, Sputtered cadmium sulfide (CdS) buffer layer for kesterite and chalcogenide thin film solar cell applications, Journal of Nanoscience and Nanotechnology, 20, 2020, 3909-3912. https://doi.org/10.1166/jnn.2020.17528

27. J. Park, H. Yoo, V. Karade, K.S. Gour, E. Choi, M. Kim, X. Hao, S.J. Shin, J.H. Kim, H. Shim, D. Kim, Jong H. Kim, J. Yun, J.H. Kim, Investigation of low-intensity light performances of Kesterite CZTSe, CZTSSe, CZTS thin film solar cells for indoor application, Journal of Materials Chemistry A, 8, 2020, 14538-14544. https://doi.org/10.1039/D0TA04863A

28. M. Kumar, S. Rani, A. Pandey, K.S. Gour, P. Singh, S. Husale, V.N. Singh, Highly responsive, low-bias operated SnSe2 nanostructured thin film for trap-assisted NIR photodetector, Journal of Alloys and Compounds, 838, 2020, 155384. https://doi.org/10.1016/j.jallcom.2020.155384

29. N. Muhunthan, O.P. Singh, K.S. Gour, V.N. Singh, Study of the electrical properties of Cu2ZnSnS4 (CZTS) thin film using atomic force microscopy (AFM) techniques, Journal of Nanoscience and Nanotechnology, 20, 2020, 3925-3928. https://doi.org/10.1166/jnn.2020.17529

30. K.S. Gour, A.K. Yadav, R. Kumar, J.S. Tawale, V.N. Singh, Effect of sulfurization temperature on optical and compositional properties of sputtered Zn(O,S) thin films, Advanced Materials Letters, 9, 2018, 811-815. https://doi.org/10.5185/amlett.2018.2125

31. K.S. Gour, A.K. Yadav, O.P. Singh, V.N. Singh, Na Incorporated improved properties of Cu2ZnSnS4 (CZTS) thin film by DC Sputtering, Vacuum, 154, 2018, 148-153. https://doi.org/10.1016/j.vacuum.2018.05.007

32. K.S. Gour, O.P. Singh, J.S. Tawale, V.N. Singh, Silver (Ag) Incorporated Cu2ZnSnS4 thin film for improved optical and morphological properties, Superlattices and Microstructures, 120 (2018) 54-59. https://doi.org/10.1016/j.spmi.2018.05.012

33. K.S. Gour, B. Bhattacharyya, O.P. Singh, A.K. Yadav, S. Husale, V.N. Singh, Nanostructured Cu2ZnSnS4 (CZTS) thin film for self-powered broadband photodetection, Journal of Alloys and Compounds, 735, 2018, 285-290. https://doi.org/10.1016/j.jallcom.2017.11.079.

34. O.P. Singh, K.S. Gour, Rahul Parmar, V.N. Singh, Reactive sputtering technique for kesterite and chalcogenide-based thin film solar cells, Journal of Nanoscience and Nanotechnology, 18, 2018, 7670-7681. https://doi.org/10.1166/jnn.2018.16089

35. K.S. Gour, O.P. Singh, A.K. Yadav, R Parmar, V.N. Singh, Effect of NaF evaporation on morphological and structural properties of Cu2ZnSnSe4 (CZTSe) thin film deposited by sputtering from a single compound target, Journal of Alloys and Compounds, 718, 2017, 231-235. https://doi.org/10.1016/j.jallcom.2017.05.098.

36. K.S. Gour, O.P. Singh, B. Bhattacharyya, R. Parmar, S. Husale, T.D. Senguttuvan, V.N. Singh, Enhanced photoresponse of Cu2ZnSn(S,Se)4 based photodetector in visible range, Journal of Alloys and Compounds, 694, 2017, 119-123. https://doi.org/10.1016/j.jallcom.2016.09.299

37. O.P. Singh, A. Sharma, K.S. Gour, S. Husale and V.N. Singh, Fast switching response of Na-doped CZTS photodetector from Visible to NIR range, Solar Energy Materials and Solar Cells, 157, 2016, 28-34. https://doi.org/10.1016/j.solmat.2016.04.058

38. O.P. Singh, K.S. Gour, R. Parmar, V.N. Singh, Sodium induced grain growth, defect passivation and enhancement in the photovoltaic properties of Cu2ZnSnS4 thin film solar cell, Materials Chemistry and Physics, 177, 2016, 293-298. https://doi.org/10.1016/j.matchemphys.2016.04.030

39. O.P. Singh, N. Muhunthan, K.S. Gour, R. Parmar, M. Dalai, P. Kulriya, S. Pillai, V.N. Singh, Effect of sputter deposited Zn precursor film thickness and annealing time on the properties of Cu2ZnSnS4 thin films deposited by sequential reactive sputtering of metal targets, Materials Science in Semiconductor Processing, 52, 2016, 38-45. https://doi.org/10.1016/j.mssp.2016.05.012

40. M.K. Thakur, O.P. Singh, K. Thakur, R. Parmar, K.S. Gour, N. Muhunthan, S. Singh, D. Singh, N. Vijayan, H.K. Singh, V.N. Sing, Effect of substrate on the structural and electrical properties of Mo thin films, Advanced Materials Letters, 7, 2016, 525-528. https://doi.org/10.5185/amlett.2016.5965

41. K.S. Gour, R. Parmar, O.P. Singh, V.N. Singh, Optimizing CuInGaSe2 thin films grown by selenization of Culn/CuGa multilayers for solar cell applications, Advanced Science, Engineering and Medicine, 8, 2016, 314-318. https://doi.org/10.1166/asem.2016.1860

42. O.P. Singh, R. Parmar, K.S. Gour, M.K. Dalai, J. Tawale, S.P. Singh, V.N. Singh, Synthesis and characterization of petal type CZTS by stacked layer reactive sputtering, Superlattices and Microstructures, 88, 2015, 281-286. https://doi.org/10.1016/j.spmi.2015.09.020

Book Chapters

1. S. Rani, M. Kumar, K.S. Gour, G. Rawat, A gas sensor array based on metal selenides, Emerging materials for energy and sensing applications, eds K.S. Gour, V.N. Singh, CRC Press, USA, 2024. (Accepted)

2. K.S. Gour, V. Karade, V.N. Singh, J.H. Kim, Broadband Photodetectors Based on Kesterite Thin Films, Types of Photodetectors and their Applications eds. S.S. Kushvaha, Nova Science Publishers, USA, 2022, pp. 45-76.

3. A.K. Arya, R. Parmar, K.S. Gour, Decio B.de F.N., R. Gunnella, J.M. Rosolen, V.N. Singh, Chemical Vapor Deposition (CVD) Technique for Nano-Materials Deposition, Chemical Methods for Processing Nanomaterials ed. V.N. Singh, CRC Press, USA, 2020, pp. 125-146.

4. 2. R. Parmar, K.S. Gour, D. Singh, O.P. Singh, V.N. Singh, The Role of Scanning Electron Microscopy (SEM) in Nanotechnology, Encyclopedia of Nanoscience and Nanotechnology eds. H.S. Nalwa, American Scientific Publisher, USA, 30, 2018, pp. 479-503.

5. R. Parmar, K.S. Gour, O.P. Singh, J. Gope, S. Kumar, and V.N. Singh, Advances in Thin Film Solar Cells in Encyclopedia of Nanoscience and Nanotechnology eds. H.S. Nalwa, American Scientific Publisher, USA, 26, 2018, pp. 77-103.

Book

1. K.S. Gour, V.N. Singh, Emerging materials for energy and sensing applications, CRC Press, USA, 2024. (Accepted)