Abstract
Metal halides have drawn attention owing to their unique optoelectronic properties. Since the toxicity of lead element is concerned, the design of lead-free metal halide materials is quite important. In this study, Mn2+-doped Cs2ZnBr4 microcrystals were successfully synthesized by a facile ultrasonication method. The structure, morphology, and luminescence properties were investigated in detail. When used as a green emitter, the white light-emitting diode (LED) device exhibits high performance with a wide color gamut of 115% NTSC. The relationship between the structure and luminescence performance was discussed. This study could provide new insight into the synthesis of metal halides and expand their potential in optoelectronic applications.
Published Version
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