Temperature-dependent photoluminescence on organic inorganic metal halide perovskite CH3NH3PbI3–x Clx prepared on ZnO/FTO substrates using a two-step method
Zhuang Shiwei, Xu Deqian, Xu Jiaxin, Wu Bin, Zhang Yuantao, Dong Xin, Li Guoxing, Zhang Baolin, Du Guotong
       

(color online) Schematic of the synthesis of the perovskite CH NH PbI Cl samples using a two-step method.