INVESTIGATION OF ELECTRIC DICHROISM OF CETYLPYRIDINIUM BROMIDE BY SPECTROELECTROCHEMISTRY WITH A LONG OPTICAL-PATH LENGTH THIN-LAYER CELL

	INVESTIGATION OF ELECTRIC DICHROISM OF CETYLPYRIDINIUM BROMIDE BY SPECTROELECTROCHEMISTRY WITH A LONG OPTICAL-PATH LENGTH THIN-LAYER CELL
	DONG SJ ; ZHU YC
刊名	langmuir
	1991
卷号	7 期号:2 页码:394-397
关键词	LIQUID-CRYSTALS
ISSN号	0743-7463
通讯作者	dong sj
中文摘要	in this paper, the electric dichroism of cetylpyridinium bromide (cpb) has been found and studied by spectroelectrochemistry with a long optical path length thin-layer cell (loptlc) for the first time. the cpb molecule with a long carbon chain and a polar pyridinium ring is anisotropic in molecular configuration or in polarizability. in the electric field of a thin-layer cell, the cpb molecule reorientates along the direction of the electric field and exhibits electric dichroism, which results in the increase of absorbance of cpb in the uv-vis range. by use of in situ measurement of spectroelectrochemistry, the order parameters of long molecular axis (s = 0.845) and short molecular axis (d = 0.155) and the angle between the long axis direction of the cpb molecule and the direction normal to the electrode surface (theta = 18-degrees 44') have been determined. these data were used to describe the state of arrangement of the molecules in the solution. the reorientation of cpb molecules is the result of the interaction between the anisotropic molecules and electric field. the effects of the concentration of cpb and of the applied electric field on the electric dichroism have been investigated.
收录类别	SCI收录期刊论文
语种	英语
公开日期	2011-03-03 ; 2011-06-10
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/38527]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	DONG SJ,ZHU YC. INVESTIGATION OF ELECTRIC DICHROISM OF CETYLPYRIDINIUM BROMIDE BY SPECTROELECTROCHEMISTRY WITH A LONG OPTICAL-PATH LENGTH THIN-LAYER CELL[J]. langmuir,1991,7(2):394-397.
APA	DONG SJ,&ZHU YC.(1991).INVESTIGATION OF ELECTRIC DICHROISM OF CETYLPYRIDINIUM BROMIDE BY SPECTROELECTROCHEMISTRY WITH A LONG OPTICAL-PATH LENGTH THIN-LAYER CELL.langmuir,7(2),394-397.
MLA	DONG SJ,et al."INVESTIGATION OF ELECTRIC DICHROISM OF CETYLPYRIDINIUM BROMIDE BY SPECTROELECTROCHEMISTRY WITH A LONG OPTICAL-PATH LENGTH THIN-LAYER CELL".langmuir 7.2(1991):394-397.