FLUORESCENCE SPECTROSCOPY OF OLIGO(ANTHRYLENEVINYLENES)

被引：24
作者：
HEUN, S
BASSLER, H
MULLER, U
MULLEN, K
机构：
[1] UNIV MARBURG,FACHBEREICH PHYS CHEM,D-35032 MARBURG,GERMANY
[2] UNIV MARBURG,WISSENSCH ZENTRUM MAT WISSENSCH,D-35032 MARBURG,GERMANY
[3] MAX PLANCK INST POLYMER RES,D-55021 MAINZ,GERMANY
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1994年 / 98卷 / 30期
关键词：
D O I：
10.1021/j100081a020
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：
Fluorescence spectra of oligo(anthrylenevinylenes), matrix-isolated in low-temperature MTHF glasses, have been recorded employing the site-selection technique. Comparison with the spectroscopic properties of members of the phenylenevinylene family indicates that replacement of a phenylene by an anthrylene moiety causes both a significant depression of the optical transition energy counteracted by a large increase of inhomogeneous band broadening due to variations of the intramolecular twist of the molecules in all-trans conformation. The latter is responsible for both elastic and inelastic relaxations of the molecules after optical excitation.
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页码：7355 / 7358
页数：4
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