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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