Sharma S, Kaushik SP, Thakur R-K, Shukla VK. Study of Structural Properties of Solar Energy Material CH3 NH3 PbX3 (X= I, Br and Cl) Perovskites and its Mixed Halides Using Density Functional Theory. Nepal Journal of Science and Technology [Internet]. 2022 Dec. 31 [cited 2024 May 10];21(2):105-14. Available from: https://www.nepjol.info/index.php/NJST/article/view/62360