STRUCTURE CONDUCTIVITY RELATIONSHIPS IN DIVALENT POLYMER ELECTROLYTES

被引:13
|
作者
GLASSE, MD [1 ]
LATHAM, RJ [1 ]
LINFORD, RG [1 ]
PYNENBURG, RAJ [1 ]
机构
[1] SCH APPL PHYS SCI LEICESTER, DEPT CHEM, POB 143, LEICESTER LE1 9BH, ENGLAND
关键词
D O I
10.1016/0167-2738(92)90299-5
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 potential influence of averaging caused by spherulite morphology on local structures deduced from EXAFS studies of crystallisable films is discussed. Evidence is presented to show that only high-melting, polymer-salt complexes interfere significantly with studies of the ionic environment within the amorphous conducting region. The possible modifications to the amorphous matrix that could result from the proximity of spherulites are considered. Results are presented for EXAFS studies of the local environment surrounding Zn in PEO(n).ZnBr2 (n = 4,8) prepared by three different drying procedures, at room temperature, -20-degrees-C and -70-degrees-C. Structural differences between amorphous and glassy forms were observed. The results suggest the presence of neutral ZnBr2 entities.
引用
收藏
页码:1111 / 1117
页数:7
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