SPECTRAL DIFFUSION IN AN AMORPHOUS POLYMER PROBED BY SINGLE-MOLECULE SPECTROSCOPY

被引：55
|
作者：
TITTEL, J
KETTNER, R
BASCHE, T
BRAUCHLE, C
QUANTE, H
MULLEN, K
机构：
[1] UNIV MUNICH,INST PHYS CHEM,D-80333 MUNICH,GERMANY
[2] MAX PLANCK INST POLYMER RES,D-55021 MAINZ,GERMANY
来源：
JOURNAL OF LUMINESCENCE | 1995年 / 64卷 / 1-6期
关键词：
D O I：
10.1016/0022-2313(95)00002-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigated the spectra of single tetra-tert-butylterrylene (TBT) molecules in the amorphous matrix poly(isobutylene) (PIB). The distribution of line widths of TET in PIB was measured and compared to that of TBT in poly(ethylene). The fluorescence intensity autocorrelation function as well as the two-point frequency autocorrelation function were determined for different single TBT molecules. Logarithmic-like decays of the fluorescence autocorrelation function could be reproduced by assuming a 1/R fluctuation rate distribution for the two-level-tunnelling systems.
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页码：1 / 11
页数：11
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