Near-Direct Bandgap WSe2 /ReS2 Type-II pn Heterojunction for Enhanced Ultrafast Photodetection and High-Performance Photovoltaics A Varghese, D Saha, K Thakar, V Jindal, S Ghosh, NV Medhekar, ...
Nano Letters 20 (3), 1707-1717, 2020
205 2020 Enhanced responsivity and detectivity of fast WSe2 phototransistor using electrostatically tunable in-plane lateral p-n homojunction S Ghosh, A Varghese, K Thakar, S Dhara, S Lodha
Nature communications 12 (1), 3336, 2021
97 2021 Stable and scalable 1T MoS 2 with low temperature-coefficient of resistance CH Sharma, AP Surendran, A Varghese, M Thalakulam
Scientific Reports 8 (1), 12463, 2018
57 2018 Polarity-Tunable Photocurrent through Band Alignment Engineering in a High-Speed WSe2 /SnSe2 Diode with Large Negative Responsivity S Ghosh, A Varghese, H Jawa, Y Yin, NV Medhekar, S Lodha
ACS nano 16 (3), 4578-4587, 2022
42 2022 Wavelength‐Controlled Photocurrent Polarity Switching in BP‐MoS2 Heterostructure H Jawa, A Varghese, S Ghosh, S Sahoo, Y Yin, NV Medhekar, S Lodha
Advanced Functional Materials 32 (25), 2112696, 2022
39 2022 All-Electrical High-Sensitivity, Low-Power Dual-Mode Gas Sensing and Recovery with a WSe2 /MoS2 pn Heterodiode S Dhara, H Jawa, S Ghosh, A Varghese, D Karmakar, S Lodha
ACS Applied Materials & Interfaces 13 (26), 30785-30796, 2021
36 2021 Atomistic Modeling of van der Waals Heterostructures with Group-6 and Group-7 Monolayer Transition Metal Dichalcogenides for Near Infrared/Short-wave Infrared Photodetection D Saha, A Varghese, S Lodha
ACS Applied Nano Materials 3 (1), 820-829, 2019
26 2019 Topography preserved microwave plasma etching for top-down layer engineering in MoS 2 and other van der Waals materials A Varghese, CH Sharma, M Thalakulam
Nanoscale 9 (11), 3818-3825, 2017
25 2017 Near‐Infrared and Visible‐Range Optoelectronics in 2D Hybrid Perovskite/Transition Metal Dichalcogenide Heterostructures A Varghese, Y Yin, M Wang, S Lodha, NV Medhekar
Advanced Materials Interfaces 9 (14), 2102174, 2022
14 2022 WSe2/ReS2 vdW Heterostructure for Versatile Optoelectronic Applications A Varghese, D Joseph, S Ghosh, K Thakar, N Mcdhckar, S Lodha
2018 76th Device Research Conference (DRC), 1-2, 2018
7 2018 Electrically Tunable Room Temperature Hysteresis Crossover in Underlap MoS2 Field-Effect Transistors H Jawa, A Varghese, S Lodha
ACS Applied Materials & Interfaces, 2021
5 * 2021 Novel Nano-Electroplating-Based Plasmonic Platform for Giant Emission Enhancement in Monolayer Semiconductors A Anand VS, MK Sahoo, F Mujeeb, A Varghese, S Dhar, S Lodha, ...
ACS Applied Materials & Interfaces 15 (49), 57783-57790, 2023
4 2023 Thin EOT MoS2 FET for Efficient Photodetection and Gas Sensing K Thakar, A Varghese, S Dhara, S Ghosh, S Lodha
2018 4th IEEE International Conference on Emerging Electronics (ICEE), 1-4, 2018
3 2018 Electrically Controlled High Sensitivity Strain Modulation in MoS2 Field-Effect Transistors via a Piezoelectric Thin Film on Silicon Substrates A Varghese, AH Pandey, P Sharma, Y Yin, NV Medhekar, S Lodha
Nano Letters 24 (28), 8472-8480, 2024
2 2024 Enhanced photoresponse of a dielectric-free suspended WSe2–ReS2 heterostructure photodetector H Jawa, N Khandare, A Varghese, S Sahoo, S Lodha
Applied Physics Letters 122 (12), 2023
2 2023 Comparative Evaluation of vdW Materials Based PN Junction and FET for Gas Sensing S Dhara, K Thakar, S Ghosh, A Varghese, S Mahapatra, S Lodha
2019 Device Research Conference (DRC), 117-118, 2019
1 2019 A Novel Nano-Electroplating based Plasmonic Platform for Emission Engineering of Monolayer MoS2 AA VS, MK Sahoo, F MC, A Varghese, S Dhar, S Lodha, A Kumar
Bulletin of the American Physical Society, 2024
2024 An electroplating-based plasmonic platform for giant emission enhancement in monolayer semiconductors MK Sahoo, F Mujeeb, A Varghese, S Dhar, S Lodha, A Kumar
arXiv preprint arXiv:2306.13507, 2023
2023 Electrically Controlled Reversible Strain Modulation in MoS A Varghese, A Pandey, P Sharma, Y Yin, N Medhekar, S Lodha
arXiv preprint arXiv:2304.13154, 2023
2023 Engineering exciton emission in monolayer TMDCs by dielectric encapsulation A VS, A Varghese, S Lodha, A KUMAR
Bulletin of the American Physical Society 68, 2023
2023 
Saurabh LodhaP. K. Kelkar Chair Professor, Electrical Engineering, IIT BombayEmail verificata su ee.iitb.ac.in