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Issue 44, 2016
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Synthesis and structure of pseudo-three dimensional hybrid iodobismuthate semiconductors

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Abstract

The synthesis, structures and semiconducting properties of three isostructural, piperazinium-cation based iodobismuthates, [NH2(CH2)4NH2][BiI4]2·4H2O, [CH3NH(CH2)4NH2][BiI4]2·3H2O and [CH3NH(CH2)4HNCH3][BiI4]2·2H2O, are reported. The materials have pseudo-three dimensional structures consisting of infinite chains formed from edge/face sharing [BiI6] octahedra with short interchain I⋯I interactions of <3.8 Å. The materials have band gaps of ∼1.9–2.0 eV and show variable optoelectronic properties based on the degree of methylation of the templating piperazinium ring-based organic species and the accordingly associated level of solvation in the structure.

Graphical abstract: Synthesis and structure of pseudo-three dimensional hybrid iodobismuthate semiconductors

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Publication details

The article was received on 16 Sep 2016, accepted on 18 Oct 2016 and first published on 19 Oct 2016


Article type: Paper
DOI: 10.1039/C6DT03602C
Citation: Dalton Trans., 2016,45, 17974-17979
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    Synthesis and structure of pseudo-three dimensional hybrid iodobismuthate semiconductors

    A. J. Dennington and M. T. Weller, Dalton Trans., 2016, 45, 17974
    DOI: 10.1039/C6DT03602C

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