Electronic spectra and excited-state dynamics of 4-fluoro-N,N-dimethylaniline

被引：10

作者：

Fujiwara, Takashige ^{[1
]}

Reichardt, Christian ^{[2
,3
]}

Vogt, R. Aaron ^{[2
,3
]}

Crespo-Hernandez, Carlos E. ^{[2
,3
]}

Zgierski, Marek Z. ^{[4
]}

Lim, Edward C. ^{[5
,6
]}

机构：

[1] Ohio State Univ, Dept Chem & Biochem, Columbus, OH 43210 USA

[2] Case Western Reserve Univ, Dept Chem, Cleveland, OH 44106 USA

[3] Case Western Reserve Univ, Ctr Chem Dynam, Cleveland, OH 44106 USA

[4] Natl Res Council Canada, Steacie Inst Mol Sci, Ottawa, ON K1A 0R6, Canada

[5] Univ Akron, Dept Chem, Akron, OH 44325 USA

[6] Univ Akron, Ctr Laser & Opt Spect, Akron, OH 44325 USA

来源：

CHEMICAL PHYSICS LETTERS | 2013年 / 586卷

关键词：

CHARGE-TRANSFER STATES;

D O I：

10.1016/j.cplett.2013.09.028

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：

Concerted ultrafast time-resolved spectroscopic experiments and ab initio computational (TDDFT) studies of the electronic transitions of 4-fluoro-N,N-dimethylaniline (FDMA) have been performed to investigate the mechanism of photo-induced intramolecular charge transfer (ICT). The compound FDMA shows dual fluorescence from a pi pi* state and a closely-lying twisted intramolecular charge transfer (TICT) state in both n-hexane and acetonitrile. The very similar lifetimes observed for the two emission bands indicate that the pi pi* and the TICT states are effectively in thermal equilibrium at room temperature. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：70 / 75

页数：6

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