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Defect suppressed metal halide perovskite light-emitting material and light-emitting diode comprising the same
Defect suppressed metal halide perovskite light-emitting material and light-emitting diode comprising the same
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机译：缺陷抑制金属卤化物钙钛矿发光材料和包括相同的发光二极管
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摘要
The present invention relates to a metal halide perovskite light emitting material with controlled defects, a wavelength converter and a light emitting device including the same. According to the present invention, a medium monovalent organic cation ( A2) can stabilize the perovskite crystal and suppress the generation of defects inside the crystal due to the entropic effect, and the excess A2 cation not included in the perovskite crystal is the perovskite nanocrystal particle By passivating the defects generated on the surface of the perovskite nanocrystal particles by forming a structure surrounding the can be used
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