Synthesis of silica-coated ZnO nanocomposite : the resonance structure of polyvinyl pyrrolidone (PVP) as a coupling agent

Wang, Jinfeng, Tsuzuki, Takuya, Tang, Bin, Cizek, Pavel, Sun, Lu and Wang, Xungai 2010, Synthesis of silica-coated ZnO nanocomposite : the resonance structure of polyvinyl pyrrolidone (PVP) as a coupling agent, Colloid and polymer science, vol. 288, no. 18, pp. 1705-1711.

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Title Synthesis of silica-coated ZnO nanocomposite : the resonance structure of polyvinyl pyrrolidone (PVP) as a coupling agent
Author(s) Wang, Jinfeng
Tsuzuki, Takuya
Tang, Bin
Cizek, Pavel
Sun, Lu
Wang, Xungai
Journal name Colloid and polymer science
Volume number 288
Issue number 18
Start page 1705
End page 1711
Publisher Springer
Place of publication Heidelberg, Germany
Publication date 2010-12
ISSN 0303-402X
1435-1536
0340-255X
Keyword(s) ZnO nanoparticles
PVP
Coupling Agent
Photocatalytic activity
Summary Abstract The preparation of silica-coated ZnO nanocomposite using polyvinyl pyrrolidone (PVP) as a coupling agent was investigated. Transmission electron microscopy analysis revealed that silica has been deposited on the surface of PVP-capped ZnO nanoparticles as a continuous thin layer. Two-dimensional correlation analysis based on the time-dependent UV–vis spectra was introduced to study the interaction governing the deposition of silica on to PVP-capped ZnO. Strong hydrogen bonds formed between the amphiphilic PVP molecules and silica in the silicacoated PVP-capped ZnO composites. The reduced photocatalytic activity of silica-coated ZnO nanoparticles will enhance their performance as durable, safe, and nonreactive UV blockers in plastics, paints, and coating for outdoor textile and timber products.
Notes Published online 19 October 2010
Language eng
Field of Research 030306 Synthesis of Materials
Socio Economic Objective 920405 Environmental Health
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Springer-Verlag
Persistent URL http://hdl.handle.net/10536/DRO/DU:30033642

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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