Polycrystalline methylamine bromine lead(CH_3NH_3PbBr_3) for crystal growth was synthesized by a solution method. CH_3NH_3PbBr_3 single crystals with the size of 7 mm′7 mm′3 mm were grown by a solution evaporation method. The crystal structure was determined by X-ray diffraction. The results show that the grown CH_3NH_3PbBr_3 crystal belongs to a cubic system structure with the lattice parameter of a=0.592 76 nm(7). The microstructures and the growth rates of different crystal faces of CH_3NH_3PbBr_3 crysta...
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