Thermodynamic Origin of Photoinstability in the CH3NH3Pb(I1–xBrx)3 Hybrid Halide Perovskite Alloy

Brivio, Federico; Caetano, C.; Walsh, Aron

doi:10.1021/acs.jpclett.6b00226

Public

Thermodynamic Origin of Photoinstability in the CH3NH3Pb(I1–xBrx)3 Hybrid Halide Perovskite Alloy

Published in The Journal of Physical Chemistry Letters • Mar 8, 2016

Authors:

Federico Brivio

C. Caetano

Aron Walsh

Abstract

The formation of solid-solutions of iodide, bromide, and chloride provides the means to control the structure, band gap, and stability of hybrid halide perovskite semiconductors for photovoltaic applications. We report a computational investigation of the CH3NH3PbI3/CH3NH3PbBr3 alloy from density fu...

Subject

Spinodal decomposition

Phase diagram

Binodal

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