Photoelectrochemically Active Perovskite QDs /TiO2 Inverse Opal with Enhanced Photoluminescence Intensity.

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2020
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Abstract
Photoluminescence intensity of the perovskite QDs coupled with TiOwas decreased significantly owing to the electron transfer between them. Herein, the composite of CsPb(ClBr)with TiOinverse opal was fabricated and we have proved that the effect of scattering of TiOinverse opal layer by layer under the incident excitation light for the enhancement of perovskite QDs photoluminescence intensity is far greater than the decrease of photoluminescence intensity caused by the electron transfer between QDs and TiO. Particularly, photoelectrochemical characterizations exhibit high charge separation effciency and fast response speed in water. This study opens new possibilities for optoelectronic and photo display applications of perovskites-based NCs.
Reference Key
xia2020photoelectrochemicallynanotechnology Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Xia, Hongbo;Wu, Suli;Liu, Yang;
Journal Nanotechnology
Year 2020
DOI
10.1088/1361-6528/ab70f8
URL
Keywords
inverse opal scattering cspb(cl<sub>0.4</sub>br<sub>0.6</sub>)<sub>3 </sub> tio<sub>2 </sub>

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