TY - JOUR T1 - Investigation of Structural, Electronic and Optical Properties of Na2InAgCl6, K2InAgCl6, and Rb2InAgCl6 Lead-Free Halide Double Perovskites Regarding with Cs2InAgCl6 Perovskites Cell and a Comparative Study by DFT Functionals JO - Materials Research A1 - Ali, Md. Hazrat A1 - Islam, Mohammad Jahidul A1 - Kumer, Ajoy A1 - Hossain, Md. Sayed A1 - Chakma, Unesco A1 - Howlader, Debashis A1 - Islam, Md. Tawhidul A1 - Hossain, Tomal SN - 1516-1439 UL - 10.1590/1980-5373-MR-2021-0086 VL - 24 Y1 - 2021 PB - Brasil ER -