2ND-ORDER POLARIZABILITY OF DONOR-ACCEPTOR SUBSTITUTED OLIGOTHIOPHENES - SUBSTITUENT VARIATION AND CONJUGATION LENGTH DEPENDENCE

被引：90

作者：

WURTHNER, F ^{[1
]}

EFFENBERGER, F ^{[1
]}

WORTMANN, R ^{[1
]}

KRAMER, P ^{[1
]}

机构：

[1] UNIV MAINZ,INST PHYS CHEM,W-6500 MAINZ,GERMANY

来源：

CHEMICAL PHYSICS | 1993年 / 173卷 / 02期

关键词：

D O I：

10.1016/0301-0104(93)80147-2

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：

Second-order polarizabilities and excited state dipole moments of a number of donor-acceptor substituted alpha-oligothiophenes have been investigated by use of electric field induced second harmonic generation (EFISH), solvatochromism and electrooptical absorption measurements (EOAM). The experimental results reveal that oligothiophenes are very effective conjugation units offering substantial enhancement of the second-order polarizability with increasing chain length.

引用

页码：305 / 314

页数：10

共 47 条

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