UNUSUALLY LARGE INDUCED CIRCULAR-DICHROISM OF AN AROMATIC COMPOUND BOUND TO HELICAL SUPERSTRUCTURES OF CHIRAL AMMONIUM BILAYERS

被引：15

作者：

NAKASHIMA, N

ANDO, R

MURAMATSU, T

KUNITAKE, T

机构：

[1] KYUSHU UNIV,FAC ENGN,DEPT CHEM SCI & TECHNOL,FUKUOKA 812,JAPAN

[2] NAGASAKI UNIV,DEPT APPL CHEM,NAGASAKI 852,JAPAN

[3] NAGASAKI UNIV,FAC FISHERIES,NAGASAKI 852,JAPAN

来源：

LANGMUIR | 1994年 / 10卷 / 01期

关键词：

D O I：

10.1021/la00013a033

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

9-Anthracenecarboxylate bound to aqueous dispersions of the helical superstructure of bilayers of chiral double-chain ammonium amphiphiles exhibited very large induced circular dichroism ([theta] approximate to 10(7) deg.cm(2).dmol(-1)). This arises from strong exciton coupling among the chromophores bound to the chiral bilayer surface and disappears completely upon warming to temperatures above crystal-to-liquid crystal phase transition of the bilayer. The intensity of induced circular dichroism at the helical bilayer matrix was compared with those in nonhelical bilayer dispersions.

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页码：232 / 234

页数：3

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