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题名: Photoinduced charge transfer in porphyrin-C-60 oligomer
作者: Jia MingLi1;  Wan Yan1;  Wang XueFei1;  Xia AnDong1
关键词: intramolecular charge transfer (ICT) ;  triplet-triplet absorption ;  donor-acceptor compound
刊名: SCIENCE CHINA-CHEMISTRY
发表日期: 2010-02-01
DOI: 10.1007/s11426-010-0042-y
卷: 53, 期:2, 页:419-425
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: Photoinduced electron transfer (ET) between C-60 and porphyrin (P) in a new polymer containing porphyrin, poly(p- phenyle-nevinylene), and pendant fullerene units has been investigated by nanosecond transient absorption and phosphorescence spectroscopy. Compared to the physically doping material systems, binding porphyrin/C-60 through chemical bonds in a polymer detains the formation of the triplet states of porphyrins and C-60. The formation of intermediate charge transfer state (CSS) of P center dot+-C-60(center dot-) was observed, which led to the delayed formation of triplet states of porphyrins and C-60. The reduced opto-electronic properties, such as optical limiting performance, were also observed, which resulted from the delayed formation of triplet states. The results presented in this article are significant in understanding the complicated spectral characteristics of the triplet state and charge transfer of the porphyrin and C-60 complexes, and are therefore related to the controllable performance of the new materials in applications.
关键词[WOS]: INTRAMOLECULAR ELECTRON-TRANSFER ;  ENERGY-TRANSFER PROCESSES ;  PHOTOPHYSICAL PROPERTIES ;  FULLERENE TRIAD ;  TRIPLET-STATE ;  CONJUGATED OLIGOMERS ;  POLYMERS ;  DYADS ;  TETRAPHENYLPORPHYRIN ;  PHTHALOCYANINE
语种: 英语
WOS记录号: WOS:000276578900016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142186
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, Inst Chem, State Key Lab Mol React Dynam, BNLMS, Beijing 100190, Peoples R China

Recommended Citation:
Jia MingLi,Wan Yan,Wang XueFei,et al. Photoinduced charge transfer in porphyrin-C-60 oligomer[J]. SCIENCE CHINA-CHEMISTRY,2010,53(2):419-425.
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