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.

引用

页码：126 / 129

页数：4

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