S1 ← S0 hole-burning spectroscopy of jet-cooled dithienylethylene and dithienylbutadiene vapors

被引：1
|
作者：
Numata, Yasushi [2 ]
Itoh, Takao [1 ]
Omokawa, Taiki [2 ]
Okuyama, Katsuhiko [2 ]
机构：
[1] Hiroshima Univ, Grad Sch Integrated Arts & Sci, Higashihiroshima 7398521, Japan
[2] Nihon Univ, Dept Chem Mat, Coll Engn, Koriyama, Fukushima 9638642, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2010年 / 488卷 / 4-6期
关键词：
INTERNAL-CONVERSION; FLUORESCENCE; STATE; ALPHA; OMEGA-DITHIENYLBUTADIENE; OMEGA-DIPHENYLPOLYENES;
D O I：
10.1016/j.cplett.2010.02.005
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：
S-1 <- S-0 hole-burning spectra have been measured for jet-cooled alpha, omega-dithienylethylene (DTE) and alpha, omega-dithienylbutadiene (DTB) vapors, along with the excitation and. uorescence spectra. The S1 origins of the two conformers of DTE vapor were observed at 28 648 and 28 966 cm(-1), which are assigned to those of the anti-syn and anti-anti forms, respectively. With DTB vapor, the apparent S1 origin of the main conformer (anti-anti) was observed at 25 471 cm(-1) and the S1 origin of the minor conformer was observed at 25 678 cm(-1). The minor conformer can be assigned to the anti-syn conformer. These results are in agreement with those obtained recently [T. Itoh, Y. Numata, J. Phys. Chem. A 113 (2009) 10160]. (C) 2010 Elsevier B. V. All rights reserved.
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页码：126 / 129
页数：4
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