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Novel Stimuli-Responsive Polyelectrolyte Brushes
Alternative TitleMacromolecules
Xu, F. J.1; Su, F. B.3; Deng, S. B.2; Yang, W. T.1
2010-03-09
Source PublicationMACROMOLECULES
ISSN0024-9297
Volume43Issue:5Pages:2630-2633
AbstractNovel stimuli-responsive polyelectrol poly(N-benzyl-N'-(4-vinylbenzyl)-4,4'-bipyridium dichloride) or P(BpyClCl), brushes were prepared from the benzyl-chloride-immobilized SiO(2) nanoparticles via surface-initiated atom transfer radical polymerization (ATRP). The dicationions (BV(2+)) of the P(BpyClCl) brushes can be reduced by UV irradiation to become radical monocations (BV(+.)), which can oxidize back to the original BV(2+) State by exposure to air. The fast switching between dicationic and monocationic states of the P(BpyClCl) brushes oil the SiO(2) nanoparticles can be used as the physically controllable means for the reduction of metal ions (such as Au, Pt, and bimetallic Au/Pt ions) without the need for any added metal reduction agents.; Novel stimuli-responsive polyelectrol poly(N-benzyl-N'-(4-vinylbenzyl)-4,4'-bipyridium dichloride) or P(BpyClCl), brushes were prepared from the benzyl-chloride-immobilized SiO(2) nanoparticles via surface-initiated atom transfer radical polymerization (ATRP). The dicationions (BV(2+)) of the P(BpyClCl) brushes can be reduced by UV irradiation to become radical monocations (BV(+.)), which can oxidize back to the original BV(2+) State by exposure to air. The fast switching between dicationic and monocationic states of the P(BpyClCl) brushes oil the SiO(2) nanoparticles can be used as the physically controllable means for the reduction of metal ions (such as Au, Pt, and bimetallic Au/Pt ions) without the need for any added metal reduction agents.
KeywordTransfer Radical Polymerization Metal Nanoparticles Graft-copolymerization 4-vinylbenzyl Chloride Viologens Nanospheres Surfaces Films
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1021/ma902080q
URL查看原文
Indexed BySCI
Language英语
WOS KeywordTRANSFER RADICAL POLYMERIZATION ; METAL NANOPARTICLES ; GRAFT-COPOLYMERIZATION ; 4-VINYLBENZYL CHLORIDE ; VIOLOGENS ; NANOSPHERES ; SURFACES ; FILMS
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
WOS IDWOS:000274928400065
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6415
Collection研究所(批量导入)
Affiliation1.Beijing Univ Chem Technol, Coll Mat Sci & Engn, Key Lab Carbon Fiber & Funct Polymers, State Key Lab Chem Resource Engn,Minist Educ, Beijing 100029, Peoples R China
2.Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xu, F. J.,Su, F. B.,Deng, S. B.,et al. Novel Stimuli-Responsive Polyelectrolyte Brushes[J]. MACROMOLECULES,2010,43(5):2630-2633.
APA Xu, F. J.,Su, F. B.,Deng, S. B.,&Yang, W. T..(2010).Novel Stimuli-Responsive Polyelectrolyte Brushes.MACROMOLECULES,43(5),2630-2633.
MLA Xu, F. J.,et al."Novel Stimuli-Responsive Polyelectrolyte Brushes".MACROMOLECULES 43.5(2010):2630-2633.
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