期刊
PROGRESS IN POLYMER SCIENCE
卷 37, 期 1, 页码 182-209出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.progpolymsci.2011.08.002
关键词
Aggregation; Fluorescence; Intramolecular rotation; Polymer; Silole; Tetraphenylethene
资金
- National Science Foundation of China [20634020, 50703033, 20974098, 20974028]
- Ministry of Science and Technology of China [2009CB623605]
- Research Grants Council of Hong Kong [603509, 601608, HKUST13/CRF/08, HKUST2/CRF/10]
- China Postdoctoral Science Foundation [20081461]
- Guangbiao Foundation of Zhejiang University
Aggregation-induced emission (AIE) is a newly developed phenomenon that is exactly opposite to the aggregation-caused emission quenching effect observed with some conventional luminophores. The AIE phenomenon was first realized in propeller-like small molecules and now has extended to polymeric systems. In this review, we summarize the recent progress on the preparation of luminogenic polymers with AIE or aggregation-enhanced emission (AEE) characteristics, which are generally prepared by attaching AIE-active luminogens, such as tetraphenylethene and silole, as pendants to the polymer backbones or utilizing them as skeletons for main chain polymers. An AIE phenomenon was observed in succinic anhydride-containing nonconjugated polymers bearing no luminogens, presumably due to the agglomeration of carbonyl groups. The AIE/AEE-active polymers show unique properties, such as emission superquenching, high and tunable light refractivity, and aggregation-enhanced two-photon excited fluorescence, and have found potential applications as fluorescent sensors, biological probes, and active layers for the fabrication of light-emitting diodes. (C) 2011 Elsevier Ltd. All rights reserved.
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