VERY HIGH-FIELD EPR STUDY OF CIS-POLYACETYLENE AND TRANSPOLYACETYLENE

被引:5
|
作者
KRINICHNYI, VI [1 ]
PELEKH, AE [1 ]
LEBEDEV, YS [1 ]
TKACHENKO, LI [1 ]
KOZUB, GI [1 ]
BARRA, AL [1 ]
BRUNEL, LC [1 ]
ROBERT, JB [1 ]
机构
[1] SERV NATL CHAMPS INTENSE,CNRS,GRENOBLE,FRANCE
关键词
D O I
10.1007/BF03162569
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
Some neutral cis- and trans-polyacetylene samples have been studied at 30-0.7 mm wave band EPR. A higher spectral resolution allows one to determine the principal values of anisotropic g-tensor of localized paramagnetic centers in polyacetylene, attributed to pinned neutral solitons. The Very High Frequency EPR allows us to observe the increase of a number of such centers and the appearance of soliton diffusion along the polymer chains after the cis-trans isomerization.
引用
收藏
页码:459 / 467
页数:9
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