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Strongly coloured thiocyanate frameworks with perovskite-analogue structures

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Abstract

We report the first examples of thiocyanate-based analogues of the cyanide Prussian blue compounds, MIII[Bi(SCN)6], M = Fe, Cr, Sc. These compounds adopt the primitive cubic pcu topology and show strict cation order. Optical absorption measurements show these compounds have band gaps within the visible and near IR region, suggesting that they may be useful for applications where light harvesting is key, such as photocatalysis. We also show that Cr[Bi(SCN)6] can reversibly uptake water into its framework structure pointing towards the possibility of using these frameworks for host/guest chemistry.

Graphical abstract: Strongly coloured thiocyanate frameworks with perovskite-analogue structures

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Publication details

The article was received on 13 Sep 2018, accepted on 25 Oct 2018 and first published on 26 Oct 2018


Article type: Edge Article
DOI: 10.1039/C8SC04082F
Citation: Chem. Sci., 2019, Advance Article
  • Open access: Creative Commons BY license
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    Strongly coloured thiocyanate frameworks with perovskite-analogue structures

    M. J. Cliffe, E. N. Keyzer, M. T. Dunstan, S. Ahmad, M. F. L. De Volder, F. Deschler, A. J. Morris and C. P. Grey, Chem. Sci., 2019, Advance Article , DOI: 10.1039/C8SC04082F

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