Pure WS2 and nano composite WS2/MoS2 thin film based heterojunction photodetector - Kumar, Avneesh; Gupta, Ajeet; Kumar, Arun; Surbhi; Sharma, Himanshu; Kumar, Arvind; Srivastava, Mudit P.; Rana, Devendra Kumar (Journal of Sol-Gel Science and Technology, 2025)