The synthesis, structure and electronic properties of a lead-free hybrid inorganic–organic double perovskite (MA)2KBiCl6 (MA = methylammonium)

Fengxia Wei; Zeyu Deng; Shijing Sun; Fei Xie; Gregor Kieslich; Donald M. Evans; Michael A. Carpenter; Paul D. Bristowe; Anthony K. Cheetham

doi:10.1039/C6MH00053C

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The synthesis, structure and electronic properties of a lead-free hybrid inorganic–organic double perovskite (MA)₂KBiCl₆ (MA = methylammonium)†

Fengxia Wei,^a Zeyu Deng,^a Shijing Sun,^a Fei Xie,^a Gregor Kieslich,^a Donald M. Evans,^b Michael A. Carpenter,^b Paul D. Bristowe^a and Anthony K. Cheetham*^a

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* Corresponding authors

^a Department of Materials Science and Metallurgy, University of Cambridge, 27 Charles Babbage Road, UK
E-mail: akc30@cam.ac.uk

^b Department of Earth Sciences, University of Cambridge, Downing Street, UK

Abstract

In a search for lead-free materials that could be used as alternatives to the hybrid perovskites, (MA)PbX₃, in photovoltaic applications, we have discovered a hybrid double perovskite, (MA)₂KBiCl₆, which shows strong similarities to the lead analogues. Spectroscopic measurements and nanoindentation studies are combined with density functional calculations to reveal the properties of this interesting system.

This article is part of the themed collection: In celebration of Tony Cheetham’s 70th birthday

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Article information

DOI: https://doi.org/10.1039/C6MH00053C
Article type: Communication
Submitted: 03 Mar 2016
Accepted: 15 Apr 2016
First published: 15 Apr 2016

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Mater. Horiz., 2016,3, 328-332

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The synthesis, structure and electronic properties of a lead-free hybrid inorganic–organic double perovskite (MA)₂KBiCl₆ (MA = methylammonium)

F. Wei, Z. Deng, S. Sun, F. Xie, G. Kieslich, D. M. Evans, M. A. Carpenter, P. D. Bristowe and A. K. Cheetham, Mater. Horiz., 2016, 3, 328 DOI: 10.1039/C6MH00053C

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