“Hole Transport Layer Optimization for Mixed Halide Perovskite Based Solar Cells to Achieve Better Photovoltaic Performance ”. Indian Journal of Pure & Applied Physics (IJPAP) 61, no. 10 (September 14, 2023): 851–853. Accessed May 13, 2026. https://or.niscpr.res.in/index.php/IJPAP/article/view/2573.