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Strongly coloured thiocyanate frameworks with perovskite-analogue structures

DOI: 10.1039/C8SC04082F DOI Help

Authors: Matthew J. Cliffe (University of Cambridge) , Evan N. Keyzer (University of Cambridge) , Matthew T. Dunstan (University of Cambridge) , Shahab Ahmad (University of Cambridge) , Michael F. L. De Volder (University of Cambridge) , Felix Deschler (University of Cambridge) , Andrew J. Morris (University of Birmingham) , Clare Grey (University of Cambridge)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemical Science , VOL 10 , PAGES 793-801

State: Published (Approved)
Published: October 2018
Diamond Proposal Number(s): 15118

Open Access Open Access

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.

Subject Areas: Chemistry, Materials

Instruments: I11-High Resolution Powder Diffraction

Other Facilities: Advanced Photon Source

Added On: 13/11/2018 10:55


Discipline Tags:

Physical Chemistry Materials Science Metallurgy Perovskites Chemistry

Technical Tags:

Diffraction X-ray Powder Diffraction