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题名: Excited State Localization and Delocalization of Internal Charge Transfer in Branched Push-Pull Chromophores Studied by Single-Molecule Spectroscopy
作者: Aumiler, Damir1, 2, 4;  Wang, Sufan3;  Chen, Xudong1, 2;  Xia, Andong1, 2
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
发表日期: 2009-04-29
DOI: 10.1021/ja901268h
卷: 131, 期:16, 页:5742-+
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Single-molecule (SM) spectroscopy has been conducted to study exciton-like intramolecular charge transfer (ICT) coupling dynamics in two model dendritic systems containing branched ICT interactions. The strong coupling and stepwise photobleaching of the ICT branches in the dendrimers, which depend on the torsional disorder, have been demonstrated at the SM level. The fluorescence from the delocalized ICT excited state over two branches in push-pull molecules, which cannot be distinguished by means of conventional experiments probing the average behavior of large ensembles of molecules, has been observed at the SM level.
关键词[WOS]: 2-PHOTON ABSORPTION ;  DYNAMICS
语种: 英语
WOS记录号: WOS:000265460200014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141262
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, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
2.Chinese Acad Sci, BNLMS, Inst Chem, Beijing 100080, Peoples R China
3.Anhui Normal Univ, Coll Chem & Mat Sci, Wuhan 241000, Peoples R China
4.Inst Phys, Zagreb 10000, Croatia

Recommended Citation:
Aumiler, Damir,Wang, Sufan,Chen, Xudong,et al. Excited State Localization and Delocalization of Internal Charge Transfer in Branched Push-Pull Chromophores Studied by Single-Molecule Spectroscopy[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2009,131(16):5742-+.
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