4.7 Article

In situ gas/solid reaction for the formation of luminescent quantum confined CH3NH3PbBr3 perovskite planar film

Journal

CHEMICAL COMMUNICATIONS
Volume 52, Issue 74, Pages 11080-11083

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc05794b

Keywords

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Funding

  1. NSFC [51372151, 21271179, 21303103]
  2. Foundation of Shanghai Government [15PJ1404000]
  3. Huoyingdong Grant [151046]

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We demonstrate a new strategy for the in situ formation of highly luminescent CH3NH3PbBr3 perovskite planar film via the reaction between PbBr2 and methylamine gas. The obtained CH3NH3PbBr3 perovskite planar film exhibited similar quantum confinement to solution chemistry synthesized colloidal CH3NH3PbBr3 quantum dots. Such quantum confinement was realized by a PbOx/Pb(OH)(2) framework, which is a by-product formed in situ from the reaction of PbBr2 and methylamine gas under ambient conditions.

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