supported by the National Natural Science Foundation of China(51222306,91222203,91233205 and 91433115);the China-Denmark Co-project(60911130231);TRR61(NSFC-DFG Transregio Project);the Ministry of Science and Technology of China(2011CB808405,2011CB932304,2013CB933403 and 2013CB933504);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB12030300)
Organic-inorganic halide perovskites have attracted considerable attention owing to their outstanding solar cell efficiency.Meanwhile,these halide perovskites exhibit good light emitting in visible and near-infrared r...