Temperature-dependent photoluminescence on organic inorganic metal halide perovskite CH3NH3PbI3–x Clx prepared on ZnO/FTO substrates using a two-step method

Temperature-dependent photoluminescence on organic inorganic metal halide perovskite CH₃NH₃PbI_3–x Cl_x 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) (a) The PL spectrum of CH NH PbI Cl at room temperature, with the peak at 772 nm. (b) The absorption spectrum of CH NH PbI Cl at room temperature, with the onset position at ∼780 nm.