Compositional and structural control of tenebrescence

被引：23
|
作者：
Williams, Edward R. [1 ]
Simmonds, Andrew [1 ]
Armstrong, Jennifer A. [1 ]
Weller, Mark T. [1 ]
机构：
[1] Univ Southampton, Sch Chem, Southampton SO17 1BJ, Hants, England
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2010年 / 20卷 / 48期
基金：
英国工程与自然科学研究理事会;
关键词：
DIFFRACTION; HACKMANITE; SODALITES;
D O I：
10.1039/c0jm02066d
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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 A(8)[M'M '' O-4](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.
引用
收藏
页码：10883 / 10887
页数：5
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