4.7 Article

CsPbX3/Cs4PbX6 core/shell perovskite nanocrystals

Journal

CHEMICAL COMMUNICATIONS
Volume 54, Issue 49, Pages 6300-6303

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc02802h

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Funding

  1. National Natural Science Foundation of China [21701015, 21811530054]
  2. Beijing Natural Science Foundation [4161003]

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The synthesis of core/shell perovskite nanocrystals was demonstrated for the first time by applying a seeded growth approach. The obtained core/shell nanocrystals were shown to consist of a light-emitting CsPbX3 core with a narrow band gap and a Cs4PbX6 passivating shell with a large band gap (>3.2 eV), and to therefore display an improved photoluminescence quantum yield.

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