Citation: Ju, Dianxing; Dang, Yangyang; Zhu, Zonglong; Liu, Hongbin; Chueh, Chu-Chen; Li, Xiaosong; Wang, Lei; Hu, Xiaobo; Jen, Alex K.-Y.; Tao, Xutang (2018). Tunable Band Gap and Long Carrier Recombination Lifetime of Stable Mixed CH3NH3PbxSn1--xBr3 Single Crystals. Chemistry of Materials, 30, pp. 1556-.