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Li-dan Tang , Hailin Mei, Bing Wang, Shujing Peng
Department of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, 121001, China
Abstract
Recently organic–inorganic hybrid perovskites have attracted attention as light harvesting materials in mesoscopic cells. However questions remain concerning their diverse structural characters and stability. The article provided a detailed description of preparation, structural characterization, thermal stability and light absorption of lead-bromide hybrid perovskite with variable organic matter. The effect of the organic component on lead-bromide hybrid perovskite was investigated by using X-ray diffraction, thermogravimetric analysis and UV–Vis spectrometer. Results revealed that CH3NH3PbBr3 hybrid perovskites had better thermal stability under temperature of 375 °C and broader absorption range compared to C4H9NH3PbBr3 hybrid perovskites. It is more promising as light harvesting materials to improve the cell stability and efficiency.
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