ICCAS OpenIR
Self-assembly, optical behavior, and permeability of a novel capsule based on an azo dye and polyelectrolytes
Tao, X; Li, JB; Mohwald, H
2004-07-19
Source PublicationCHEMISTRY-A EUROPEAN JOURNAL
ISSN0947-6539
Volume10Issue:14Pages:3397-3403
AbstractA novel capsule composed of an azo dye, Congo red (CR), and different polymers, including poly(styrenesulfonate, sodium salt) (PSS), poly(allylamine hydrochloride) (PAH), and poly(diallyldimethylammonium chloride) (PDDA), have been successfully fabricated by the layer-by-layer self-assembly technique. The stepwise linear deposition process was monitored by means of UV-visible absorption measurements. The formation of hollow capsules was verified by confocal laser scanning microscopy (CLSM) and scanning force microscopy (SFM). The resulting hollow PSS/PAH/CR/PDDA capsules displayed a sensitive response to visible light. Optical changes of the hollow capsules prior to and after the photoreaction were investigated in detail by means of UV-visible spectroscopy, CLSM, and SFM. It was found that the photochemical reaction of the assembled hollow capsules depends strongly on the matrix. Qualitative results on the permeability of the hollow capsule walls with CR as one component indicate that the permeability of the walls can be easily photo-controlled at varying irradiation time intervals without addition of external chemicals.
KeywordDyes/pigments Fluorescence Hollow Capsules Permeability Self-assembly
DOI10.1002/chem.200400024
Indexed BySCI
Language英语
WOS IDWOS:000222888400006
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:81[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/82172
Collection中国科学院化学研究所
Corresponding AuthorTao, X
Affiliation1.Max Planck Inst Colloids & Interfaces, Dept Interfaces, D-14424 Golm, Germany
2.Chinese Acad Sci, Inst Chem, Int Joint Lab, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Tao, X,Li, JB,Mohwald, H. Self-assembly, optical behavior, and permeability of a novel capsule based on an azo dye and polyelectrolytes[J]. CHEMISTRY-A EUROPEAN JOURNAL,2004,10(14):3397-3403.
APA Tao, X,Li, JB,&Mohwald, H.(2004).Self-assembly, optical behavior, and permeability of a novel capsule based on an azo dye and polyelectrolytes.CHEMISTRY-A EUROPEAN JOURNAL,10(14),3397-3403.
MLA Tao, X,et al."Self-assembly, optical behavior, and permeability of a novel capsule based on an azo dye and polyelectrolytes".CHEMISTRY-A EUROPEAN JOURNAL 10.14(2004):3397-3403.
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