Vibronic structure in the S1-S0 transition of jet-cooled dibenzofuran

被引：8

作者：

Baba, Masaaki ^{[1
]}

Mori, Koichi

Yamawaki, Michiru

Akita, Kumi

Ito, Masahide

Kasahara, Shunji

Yamanaka, Takaya

机构：

[1] Kyoto Univ, Div Chem, Grad Sch Sci, Kyoto 6068502, Japan

[2] Kobe Univ, Mol Photosci Res Ctr, Nada Ku, Kobe, Hyogo 6578501, Japan

[3] Inst Mol Sci, Laser Res Ctr Mol Sci, Okazaki, Aichi 4448585, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY A | 2006年 / 110卷 / 33期

关键词：

D O I：

10.1021/jp060563i

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 excitation spectra of dibenzofuran in a supersonic jet are observed and the vibronic structure is analyzed for the S-1 (1)A(1) (pi pi*) and S-0 states. An observation of the rotational envelopes reveals that the 0(0)(0) band is a B-type band. However, it is shown that most of the strong vibronic bands are A-type bands. The intensity arises from vibronic coupling with the S-2 B-1(2) state. We find a broad emission in the dispersed fluorescence spectrum for the excitation of the high vibrational levels in the S1 state. This indicates that intramolecular vibrational redistribution (IVR) occurs efficiently in the isolated dibenzofuran molecule.

引用

页码：10000 / 10005

页数：6

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