Cooling dynamics of electrons in MAPbBr3 probed in the deep-UV Thomas Charles Rossi, Lijie Wang, Malte Oppermann, Peter Chen, Yu-Hsien Chiang, Ming-Chang Tsai, Chun-Hua Shih, Tsung-Fang Guo and Majed Chergui EPJ Web Conf., 205 (2019) 05020 Published online: 16 April 2019 DOI: 10.1051/epjconf/201920505020