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Photoinduced energy transfer in bichromophoric co-assemblies based on amphiphilic poly(amidoamine) dendrons
Wang, Bing-Bing1; Gao, Min1; Jia, Xin-Ru1; Li, Wu-Song1; Jiang, Lei2; Wei, Yen3
2008-08-01
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume324Issue:1-2Pages:225-229
AbstractSpherical co-assemblies were generated from an equivalent-molar-ratio mixture of amphiphilic poly(amidoamine) dendrons that were modified with focal carbazole and/or pyrene chromophores from the first to the third generation (DnCz I and DnPy, where n = 1, 2, 3 denotes the generation of dendrons) in water at a concentration of 3.0 x 10(-6) M, lower than the individual critical aggregation concentrations (CAC) of either DnCz I or DnPy. UV-vis absorption and fluorescence emission spectra indicated that fluorescence resonance energy transfer (FRET) from carbazole to pyrene units occurred efficiently within the co-assemblies. Further study implied that part of the carbazole and/or pyrene units stacked homogeneously in the co-assemblies via pi-pi stacking and the dendritic branches served as connectors due to the hydrogen-bonding interaction. (c) 2008 Elsevier Inc. All rights reserved.
KeywordEnergy Transfer Co-assemblies Amphiphilic Poly(Amidoamine) Dendrons Pi-pi Stacking
DOI10.1016/j.jcis.2008.04.032
Indexed BySCI
Language英语
WOS IDWOS:000257232100033
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63352
Collection中国科学院化学研究所
Corresponding AuthorJia, Xin-Ru
Affiliation1.Peking Univ, Coll Chem & Mol Engn, Key Lab Polymer Chem & Phys, Beijing Natl Lab Mol Sci,Minist Educ, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100871, Peoples R China
3.Drexel Univ, Dept Chem, Philadelphia, PA 19104 USA
Recommended Citation
GB/T 7714
Wang, Bing-Bing,Gao, Min,Jia, Xin-Ru,et al. Photoinduced energy transfer in bichromophoric co-assemblies based on amphiphilic poly(amidoamine) dendrons[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2008,324(1-2):225-229.
APA Wang, Bing-Bing,Gao, Min,Jia, Xin-Ru,Li, Wu-Song,Jiang, Lei,&Wei, Yen.(2008).Photoinduced energy transfer in bichromophoric co-assemblies based on amphiphilic poly(amidoamine) dendrons.JOURNAL OF COLLOID AND INTERFACE SCIENCE,324(1-2),225-229.
MLA Wang, Bing-Bing,et al."Photoinduced energy transfer in bichromophoric co-assemblies based on amphiphilic poly(amidoamine) dendrons".JOURNAL OF COLLOID AND INTERFACE SCIENCE 324.1-2(2008):225-229.
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