Lifetime Broadening in the Rotationally Resolved Electronic Spectra of Dibenzothiophene,2,5-Diphenylfuran, and 2,5-Diphenyl-1,3,4-oxadiazole in the Gas Phase. IntersystemCrossing Dynamics in the Statistical Limit

Leonardo Alvarez-Valtierra; John T. Yi; David W. Pratt

首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Lifetime Broadening in the Rotationally Resolved Electronic Spectra of Dibenzothiophene,2,5-Diphenylfuran, and 2,5-Diphenyl-1,3,4-oxadiazole in the Gas Phase. IntersystemCrossing Dynamics in the Statistical Limit

【24h】

Lifetime Broadening in the Rotationally Resolved Electronic Spectra of Dibenzothiophene,2,5-Diphenylfuran, and 2,5-Diphenyl-1,3,4-oxadiazole in the Gas Phase. IntersystemCrossing Dynamics in the Statistical Limit

机译：

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相似文献
相关主题

摘要

The fluorescence lifetime of the zero point vibrational level of the first excited electronic state ofdibenzothiophene (DBT) has been determined to be 1.0 ns by analysis of its rotationally resolved S1 r S0fluorescence excitation spectrum. The S1 lifetime of DBT is substantially shorter than those observed forfluorene (FLU), carbazole (CAR), and dibenzofuran (DBF), analogs of DBT in which the heavy sulfur atomis replaced by lighter ones. The electronic origin bands through the series CAR, FLU, DBF, and DBT exhibita monotonic increase in Lorentzian broadening in their Voigt line shape profiles. Two other heterocyclicmolecules manifest similar photophysical properties; 2,5-diphenylfuran and 2,5-diphenyl-1,3,4-oxadiazole.Lorentzian line shape broadenings of - 76 MHz were observed in the high-resolution spectra of their originbands. Possible reasons for the short fluorescence lifetimes of these heterocycles are discussed.

著录项

来源
《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2009年第11期|2261-2267|共7页
作者
Leonardo Alvarez-Valtierra; John T. Yi; David W. Pratt;
展开▼
作者单位

Department of Chemistry, UniVersity of Pittsburgh, Pittsburgh, PennsylVania 15260;

展开▼
收录信息
原文格式 PDF
正文语种英语
中图分类物理化学（理论化学）、化学物理学;
关键词
Lifetime; Electronic Spectra; Dynamics;

相似文献

外文文献
中文文献

1. Structural insights into a versatile macrocyclic family based on 2,5-diphenyl1,3,4oxadiazole: a combined X-ray diffraction and computational study [J] . Paoli Paola, Rossi Patrizia, Ambrosi GianlucaFormica MauroFusi VieriGiorgi LucaMicheloni MauroMacedi Eleonora Supramolecular chemistry . 2017,第12期

机译：Structural insights into a versatile macrocyclic family based on 2,5-diphenyl1,3,4oxadiazole: a combined X-ray diffraction and computational study
2. Efficient fluorescent sensors based on 2,5-diphenyl1,3,4oxadiazole: A case of specific response to Zn(II) at physiological pH [J] . Ambrosi G., Formica M., Fusi V.Giorgi L.MacEdi E.Micheloni M.Paoli P.Pontellini R.Rossi P. Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2010,第21期

机译：Efficient fluorescent sensors based on 2,5-diphenyl1,3,4oxadiazole: A case of specific response to Zn(II) at physiological pH
3. Synthesis and biological evaluation of radioiodinated 2,5-diphenyl-1,3,4-oxadiazoles for detecting beta-amyloid plaques in the brain. [J] . Watanabe H, Ono M, Ikeoka R Bioorganic and medicinal chemistry . 2009,第17期

机译：Synthesis and biological evaluation of radioiodinated 2,5-diphenyl-1,3,4-oxadiazoles for detecting beta-amyloid plaques in the brain.

Lifetime Broadening in the Rotationally Resolved Electronic Spectra of Dibenzothiophene,2,5-Diphenylfuran, and 2,5-Diphenyl-1,3,4-oxadiazole in the Gas Phase. IntersystemCrossing Dynamics in the Statistical Limit

摘要

著录项

相似文献

相关主题

期刊订阅