Rossyaila Matsna Muslimawati, born on January 23, 1999, is currently pursuing her Ph.D. under supervision of Prof. Brian Yuliarto at Bandung Institute of Technology. Her research interests include perovskite materials for optoelectronic applications, such as solar cells and photodetectors. Presently, she focuses on material design, simulation, and experiments on lead-free perovskites.