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Issue 12, 2015
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CH3NH3PbI3 perovskite single crystals: surface photophysics and their interaction with the environment

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Abstract

Here we identify structural inhomogeneity on a micrometer scale across the surface of a CH3NH3PbI3 perovskite single crystal. At the crystal edge a local distortion of the crystal lattice is responsible for a widening of the optical bandgap and faster photo-carrier recombination. These effects are inherently present at the edge of the crystal, and further enhanced upon water intercalation, as a preliminary step in the hydration of the perovskite material.

Graphical abstract: CH3NH3PbI3 perovskite single crystals: surface photophysics and their interaction with the environment

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Supplementary files

Article information


Submitted
14 Jul 2015
Accepted
17 Sep 2015
First published
17 Sep 2015

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2015,6, 7305-7310
Article type
Edge Article
Author version available

CH3NH3PbI3 perovskite single crystals: surface photophysics and their interaction with the environment

G. Grancini, V. D'Innocenzo, E. R. Dohner, N. Martino, A. R. Srimath Kandada, E. Mosconi, F. De Angelis, H. I. Karunadasa, E. T. Hoke and A. Petrozza, Chem. Sci., 2015, 6, 7305
DOI: 10.1039/C5SC02542G

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