ICCAS OpenIR
Block copolymer aggregates with photo-responsive switches: Towards a controllable supramolecular container
Wang, Yapei1; Zhang, Meng1; Moers, Christian1; Chen, Senlin1; Xu, Huaping1; Wang, Zhiqiang1; Zhang, Xi1; Li, Zhibo2
2009-09-23
Source PublicationPOLYMER
ISSN0032-3861
Volume50Issue:20Pages:4821-4828
AbstractHerein, we present a concept of combining host-guest chemistry with block copolymer self-assembly to fabricate an inner cross-linking block copolymer aggregate with photo-responsive switches on the basis of the reversible interaction between azobenzene and beta-cyclodextrin, which can serve as a controllable supramolecular container to load and release guest molecules reversibly. The inner cross-link makes the block copolymer aggregates exhibit good stability, and the aggregates can keep their spherical morphologies during photo-irradiation treatment. When the switches are in on-state, cyclodextrins can bind with hydrophobic pyrene molecules; and when the switches are in off-state, pyrene molecules will get away from the cyclodextrins. The photo-controllable switches embedded in the aggregates endow this new supramolecular container with the capability to load and release guest molecules reversibly without structure disruption. It is anticipated that this line of work may open an avenue for fabricating new polymeric containers which can be used for controllable molecular transfer and catalysis. (C) 2009 Elsevier Ltd. All rights reserved.
KeywordSupramolecular Container Block Copolymer Photo-controlled Switches
DOI10.1016/j.polymer.2009.08.005
Indexed BySCI
Language英语
WOS IDWOS:000272959300010
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:60[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65808
Collection中国科学院化学研究所
Corresponding AuthorZhang, Xi
Affiliation1.Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yapei,Zhang, Meng,Moers, Christian,et al. Block copolymer aggregates with photo-responsive switches: Towards a controllable supramolecular container[J]. POLYMER,2009,50(20):4821-4828.
APA Wang, Yapei.,Zhang, Meng.,Moers, Christian.,Chen, Senlin.,Xu, Huaping.,...&Li, Zhibo.(2009).Block copolymer aggregates with photo-responsive switches: Towards a controllable supramolecular container.POLYMER,50(20),4821-4828.
MLA Wang, Yapei,et al."Block copolymer aggregates with photo-responsive switches: Towards a controllable supramolecular container".POLYMER 50.20(2009):4821-4828.
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