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Synthesis and Stabilization of Colloidal Perovskite Nanocrystals by Multidentate Polymer Micelles

Shaocong Hou, Yuzheng Guo Orcid Logo, Yuguo Tang, Qimin Quan

ACS Applied Materials & Interfaces, Volume: 9, Issue: 22, Pages: 18417 - 18422

Swansea University Author: Yuzheng Guo Orcid Logo

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DOI (Published version): 10.1021/acsami.7b03445

Abstract

Lead halide perovskites have emerged as low-cost, high-performance optical and optoelectronic materials, however, their material stability has been a limiting factor for broad applications. Here, we demonstrate stable core–shell colloidal perovskite nanocrystals using a novel, facile and low-cost co...

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Published in: ACS Applied Materials & Interfaces
ISSN: 1944-8244 1944-8252
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa34434
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Abstract: Lead halide perovskites have emerged as low-cost, high-performance optical and optoelectronic materials, however, their material stability has been a limiting factor for broad applications. Here, we demonstrate stable core–shell colloidal perovskite nanocrystals using a novel, facile and low-cost copolymer templated synthesis approach. The block copolymer serves as a confined nanoreactor during perovskite crystallization and passivates the perovskite surface by forming a multidentate capping shell, thus significantly improving its photostability in polar solvents. Meanwhile, the polymer nanoshell provides an additional layer for further surface modifications, paving the way to functional nanodevices that can be self-assembled or lithographically defined.
Keywords: colloidal perovskite nanocrystals; hybrid nanostructure; multidentate ligands; polymer micelles; stability
College: Faculty of Science and Engineering
Issue: 22
Start Page: 18417
End Page: 18422