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Issue 12, 2016
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A hybrid halobismuthate light-harvesting material with an optical band gap of 1.70 eV

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Abstract

A new organic–inorganic hybrid material (C15H14N4)BiBr5·H2O with an optical band gap of 2.24 eV, having 1-D chains of bromobismuthate anions in its composition, has been obtained from an aqueous solution and characterized. The partial replacement of Br by I resulted in the formation of a thermally stable (<155 °C) black compound (C15H14N4)BiBrI4·H2O with an optical band gap of 1.70 eV, which can be proposed as a promising light-harvesting material for dye-sensitized solid-state solar cells. Further replacement of Br by I results in the formation of red-orange colored (C15H14N4)BiI5 with a band gap of 2.10 eV.

Graphical abstract: A hybrid halobismuthate light-harvesting material with an optical band gap of 1.70 eV

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Publication details

The article was received on 26 Jul 2016, accepted on 11 Oct 2016 and first published on 12 Oct 2016


Article type: Paper
DOI: 10.1039/C6NJ02333A
Citation: New J. Chem., 2016,40, 10041-10047
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    A hybrid halobismuthate light-harvesting material with an optical band gap of 1.70 eV

    V. Yu. Kotov, A. B. Ilyukhin, K. P. Birin, V. K. Laurinavichyute, A. A. Sadovnikov, Z. V. Dobrokhotova and S. A. Kozyukhin, New J. Chem., 2016, 40, 10041
    DOI: 10.1039/C6NJ02333A

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