Design and Study of 2T Perovskite Tandem Solar Cell using (MA)2CuBr4 and CsSnGeI3 Through Optimization of Bandgap, Defect and Electron Affinity with 3D Color Map. - Md. Arif Anzum; Mustafizur Rahman; Maher Ali Rusho; MD Abdullah Almoon; Mohammad Minhaz Uddin; Al Ibn Sina; Md. Khurshid Jahan; Abu Mukaddim Rahi (ICECET, 2025)