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Wide Band-gap Tuning in Sn-based Hybrid Perovskites through Cation Replacement: the FA1-xMAxSnBr3 Mixed System

Abstract

In this paper we report the synthesis and characterization of the first Sn-based mixed system, namely FA1-xMAxSnBr3 (0≤x≤1), providing also the first study of the FASnBr3 hybrid perovskite. The results indicate the formation of a continuous solid solution between the two end members with a huge modulation of the band-gap induced by the cation replacement. These results suggest the key role of protonated amines on the electronic structure in tin-based systems and a new and effective way of tuning the band-gap.

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Publication details

The article was received on 23 Feb 2017, accepted on 13 Apr 2017 and first published on 14 Apr 2017


Article type: Paper
DOI: 10.1039/C7TA01668A
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Wide Band-gap Tuning in Sn-based Hybrid Perovskites through Cation Replacement: the FA1-xMAxSnBr3 Mixed System

    L. Malavasi, P. Quadrelli, C. Milanese, A. Pisanu, C. Tealdi, M. Patrini and C. Ferrara, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA01668A

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