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Issue 19, 2017
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Wide band-gap tuning in Sn-based hybrid perovskites through cation replacement: the FA1−xMAxSnBr3 mixed system

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Abstract

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 cation replacement. These results suggest the key role of protonated amines in the electronic structure in tin-based systems and a new and effective way of tuning the band gap.

Graphical abstract: Wide band-gap tuning in Sn-based hybrid perovskites through cation replacement: the FA1−xMAxSnBr3 mixed system

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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, 2017,5, 9391-9395
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    Wide band-gap tuning in Sn-based hybrid perovskites through cation replacement: the FA1−xMAxSnBr3 mixed system

    C. Ferrara, M. Patrini, A. Pisanu, P. Quadrelli, C. Milanese, C. Tealdi and L. Malavasi, J. Mater. Chem. A, 2017, 5, 9391
    DOI: 10.1039/C7TA01668A

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