Stabilizing the cubic perovskite phase of CsPbI3 nanocrystals by using an alkyl phosphinic acid

Chujie Wang; Anthony S. R. Chesman; Jacek J. Jasieniak

doi:10.1039/C6CC08282C

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Stabilizing the cubic perovskite phase of CsPbI₃ nanocrystals by using an alkyl phosphinic acid†

Chujie Wang,^a Anthony S. R. Chesman^b and Jacek J. Jasieniak*^a

Author affiliations

* Corresponding authors

^a Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
E-mail: jacek.jasieniak@monash.edu

^b CSIRO Manufacturing, Ian Wark Laboratories, Bayview Ave, Clayton, VIC 3168, Australia

Abstract

CsPbI₃ nanocrystals suffer from a facile cubic perovskite to orthorhombic phase transformation, which deteriorates their appealing optoelectronic properties. Here, we report a new colloidal synthesis that replaces the conventionally used oleic acid with an alkyl phosphinic acid to grow high-quality, phase-stable cubic perovskite CsPbI₃ nanocrystals.

This article is part of the themed collections: Most downloaded articles of 2017: Inorganic and Materials Chemistry and Frontiers in Nanocrystal Surface Chemistry

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Article information

DOI: https://doi.org/10.1039/C6CC08282C
Article type: Communication
Submitted: 16 10 2016
Accepted: 21 11 2016
First published: 23 11 2016

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Chem. Commun., 2017,53, 232-235

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Stabilizing the cubic perovskite phase of CsPbI₃ nanocrystals by using an alkyl phosphinic acid

C. Wang, A. S. R. Chesman and J. J. Jasieniak, Chem. Commun., 2017, 53, 232 DOI: 10.1039/C6CC08282C

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