Design of spectroelectrochemical cell for in situ X-ray absorption fine structure measurements of bulk solution species

被引:61
作者
Antonio, MR [1 ]
Soderholm, L [1 ]
Song, I [1 ]
机构
[1] CASE WESTERN RESERVE UNIV, CASE SCH ENGN, DEPT MAT SCI & ENGN, CLEVELAND, OH 44106 USA
关键词
D O I
10.1023/A:1018464526864
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
A purpose-built spectroelectrochemical cell for in situ fluorescence XAFS (X-ray absorption fine structure) measurements of bulk solution species is described. The cell performance was demonstrated by the collection of europium L-3-edge XANES (X-ray absorption near edge structure) during constant-potential electrolysis of 14.2 mM EuCl3.6H(2)O in 1 M H2SO4 aqueous electrolyte, Additionally discussed in this report are the probabilities of 2p(3/2)-->5d electronic transitions pertaining to Eu-III and EUII ions, Implications for the use of XANES in studying intermediate-valence materials, and some potential applications of the presently reported spectroelectrochemical cell are described.
引用
收藏
页码:784 / 792
页数:9
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