Compositional and structural control of tenebrescence

Edward R. Williams; Andrew Simmonds; Jennifer A. Armstrong; Mark T. Weller

doi:10.1039/c0jm02066d

Compositional and structural control of tenebrescence

Edward R. Williams, Andrew Simmonds, Jennifer A. Armstrong, Mark T. Weller

Department of Chemistry

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29 Citations (SciVal)

Abstract

The effect of various compositional substitutions on the colour of long-lived F-centres in the sodalite structure has been investigated by the synthesis and characterisation of several phases of the general composition A8[M′M″O4]6[X,S]2. The visible-region absorption spectrum of the excited state, formed by 256 nm irradiation of the as-synthesised materials, shows a broad absorption whose position correlates with the dimensions of the sodalite cage occupied by the excited electron.

Original language	English
Pages (from-to)	10883-10887
Journal	Journal of Materials Chemistry
Volume	20
Issue number	48
Early online date	8 Oct 2010
DOIs	https://doi.org/10.1039/c0jm02066d
Publication status	Published - 28 Dec 2010

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AU - Simmonds, Andrew

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AU - Weller, Mark T.

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AB - The effect of various compositional substitutions on the colour of long-lived F-centres in the sodalite structure has been investigated by the synthesis and characterisation of several phases of the general composition A8[M′M″O4]6[X,S]2. The visible-region absorption spectrum of the excited state, formed by 256 nm irradiation of the as-synthesised materials, shows a broad absorption whose position correlates with the dimensions of the sodalite cage occupied by the excited electron.

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ER -

Compositional and structural control of tenebrescence

Abstract

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