Issue 31, 2016

Exploring the properties of lead-free hybrid double perovskites using a combined computational-experimental approach

Abstract

Density functional theory screening of the hybrid double perovskites (MA)2BIBiX6 (BI = K, Cu, Ag, Tl; X = Cl, Br, I) shows that systems with band gaps similar to those of the MAPbX3 lead compounds can be expected for BI = Cu, Ag, Tl. Motivated by these findings, (MA)2TlBiBr6, isoelectronic with MAPbBr3, was synthesised and found to have a band gap of ∼2.0 eV.

Graphical abstract: Exploring the properties of lead-free hybrid double perovskites using a combined computational-experimental approach

Supplementary files

Article information

Article type
Communication
Submitted
14 6月 2016
Accepted
12 7月 2016
First published
12 7月 2016

J. Mater. Chem. A, 2016,4, 12025-12029

Exploring the properties of lead-free hybrid double perovskites using a combined computational-experimental approach

Z. Deng, F. Wei, S. Sun, G. Kieslich, A. K. Cheetham and P. D. Bristowe, J. Mater. Chem. A, 2016, 4, 12025 DOI: 10.1039/C6TA05817E

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