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题名: Photophysical Properties of 4 '-(p-aminophenyl)-2,2 ':6 ',2 ''-terpyridine
作者: Song, Peng1;  Sun, Shi-guo2;  Zhou, Pan-wang1;  Liu, Jian-yong1;  Xu, Yong-qian2;  Peng, Xiao-jun2
关键词: Dual fluorescence ;  Local excited state ;  Intramolecular charge transfer ;  Terpyridine ;  Complexation ;  Fluorescence decay
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2010-10-01
DOI: 10.1088/1674-0068/23/05/558-564
卷: 23, 期:5, 页:558-564
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: Spectral and photophysical investigations of 4'-(p-aminophenyl)-2,2':6',2 ''-terpyridine (APT) have been performed in various solvents with different polarity and hydrogen-bonding ability. The emission spectra of APT are found to exhibit dual fluorescence in polar solvents, which attributes to the local excited and intramolecular charge transfer states, respectively. The two-state model is proven out for APT in polar solvent by the time-correlated single photon counting emission decay measurement. Interestingly, the linear relationships of different emission maxima and solvent polarity parameter are found for APT in protic and aprotic solvents, because of the hydrogen bond formation between APT and alcohols at the amino nitrogen N25. Furthermore, the effects of the complexation of the metal ion with tpy group of APT and the hydrogen bond formation between APT with methanol at the terpyridine nitrogen N4-N8-N14 are also presented. The appearance of new long-wave absorption and fluorescence bands indicates that a new ground state of the complexes is formed.
关键词[WOS]: INTRAMOLECULAR CHARGE-TRANSFER ;  PARA-DMABN DERIVATIVES ;  PSEUDO-JAHN-TELLER ;  DUAL FLUORESCENCE ;  TRANSFER STATE ;  EXCITED-STATE ;  ELECTRON-TRANSFER ;  TICT-MODELS ;  AMINOBENZONITRILES ;  PHOTOCHEMISTRY
语种: 英语
WOS记录号: WOS:000284586400012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142216
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

Recommended Citation:
Song, Peng,Sun, Shi-guo,Zhou, Pan-wang,et al. Photophysical Properties of 4 '-(p-aminophenyl)-2,2 ':6 ',2 ''-terpyridine[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2010,23(5):558-564.
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