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Issue 4, 2017
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Designing indirect–direct bandgap transitions in double perovskites

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Abstract

A general design strategy is presented for tuning the convergence of direct and indirect bandgaps based on chemical adjustment of the s- and p-orbital character of the conduction band minimum. To demonstrate the viability of the design strategy, we successfully synthesized a family of double perovskites: Cs2AgSbCl6 with an indirect bandgap and Cs2AgInCl6 with a direct bandgap and the solid solutions between the two.

Graphical abstract: Designing indirect–direct bandgap transitions in double perovskites

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Publication details

The article was received on 18 Apr 2017, accepted on 01 Jun 2017 and first published on 01 Jun 2017


Article type: Communication
DOI: 10.1039/C7MH00239D
Citation: Mater. Horiz., 2017,4, 688-693
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    Designing indirect–direct bandgap transitions in double perovskites

    T. T. Tran, J. R. Panella, J. R. Chamorro, J. R. Morey and T. M. McQueen, Mater. Horiz., 2017, 4, 688
    DOI: 10.1039/C7MH00239D

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