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Innovatively Continuous Mass Production Couette-taylor Flow: Pure Inorganic Green-Emitting Cs4PbBr6 Perovskite Microcrystal for display technology.


ABSTRACT: We report for the first time the mass production of Cs4PbBr6 perovskite microcrystal with a Couette-Taylor flow reactor in order to enhance the efficiency of the synthesis reaction. We obtained a pure Cs4PbBr6 perovskite solid within 3 hrs that then realized a high photoluminescence quantum yield (PLQY) of 46%. Furthermore, the Cs4PbBr6 perovskite microcrystal is applied with red emitting K2SiF6 phosphor on a blue-emitting InGaN chip, achieving a high-performance luminescence characteristics of 9.79?lm/W, external quantum efficiency (EQE) of 2.9%, and correlated color temperature (CCT) of 2976?K; therefore, this perovskite is expected to be a promising candidate material for applications in optoelectronic devices.

SUBMITTER: Song YH 

PROVIDER: S-EPMC5792638 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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