Synthesis and Properties of a Lead-Free Hybrid Double Perovskite: (CH3NH3)2AgBiBr6

Wei, Fengxia and Deng, Zeyu and Sun, Shijing and Zhang, Fenghua and Evans, Donald M. and Kieslich, Gregor and Tominaka, Satoshi and Carpenter, Michael A. and Zhang, Jie and Bristowe, Paul D. and Cheetham, Anthony K. (2017) Synthesis and Properties of a Lead-Free Hybrid Double Perovskite: (CH3NH3)2AgBiBr6. Chemistry of Materials, 29 (3). pp. 1089-1094. ISSN 0897-4756, ESSN: 1520-5002 DOI 10.1021/acs.chemmater.6b03944

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Official URL: http://doi.org/10.1021/acs.chemmater.6b03944

Abstract

The discovery of lead-free hybrid double perovskites provides a viable approach in the search for stable and environmentally benign photovoltaic materials as alternatives to lead-containing systems such as MAPbX3 (X = Cl, Br, or I). Following our recent reports of (MA)2KBiCl6 and (MA)2TlBiBr6, we have now synthesized a hybrid double perovskite, (MA)2AgBiBr6, that has a low band gap of 2.02 eV and is relatively stable and nontoxic. Its electronic structure and mechanical and optical properties are investigated with a combination of experimental studies and density functional theory calculations

Item Type: Article
Uncontrolled Keywords: 2017AREP; IA72;
Subjects: 03 - Mineral Sciences
Divisions: 02 - Geodynamics, Geophysics and Tectonics
08 - Green Open Access
Journal or Publication Title: Chemistry of Materials
Volume: 29
Page Range: pp. 1089-1094
Identification Number: 10.1021/acs.chemmater.6b03944
Depositing User: Sarah Humbert
Date Deposited: 15 May 2017 10:31
Last Modified: 22 May 2017 09:59
URI: http://eprints.esc.cam.ac.uk/id/eprint/3968

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