Affiliation: | 1. Center for Solar-cells and Renewable Energy (CSRE), Department of Physics, SSBSR, Sharda University, Greater Noida, 201310 India;2. Department of Physics, Teerthankar Mahaveer University, Moradabad, 244001 India;3. Faculty of Applied Sciences, Universiti Teknologi MARA (Malaysia), Shah Alam, Selangor, 40450 Malaysia |