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Shape-Controlled Synthesis of Au-Polypyrrole Composites Using Poly(4-vinylpyridine) Brush Grafted on Graphene Oxide as a Reaction Chamber
Xing, Guoke; Wang, Wenqin; Wang, Ke; Li, Ping; Chen, Tao
2017
发表期刊CHEMISTRY-A EUROPEAN JOURNAL
卷号23期号:69页码:17549-17555
摘要Controlling the shape of the conducting polymer-noble metal composites is a key factor in determining their properties and applications. In this paper, we demonstrate a novel strategy to fabricate Au-polypyrrole (PPy) composites with unusual morphology using poly(4-vinylpyridine) (P4VP) brush grafted on graphene oxide (GO) as a reaction chamber. When the GO/P4VP brush bearing AuCl4- ions is exposed to pyrrole vapor or directly immersed into pyrrole solution, novel Au-PPy nanotubules and flower-like Au mesoparticles-PPy composites are formed on the surface of GO/P4VP brush, respectively. The application of the as-prepared GO/P4VP/Au-PPy composites in catalysis and surface-enhanced Raman scattering (SERS) are investigated. The relevant results exhibit that the GO/P4VP/Au-PPy nanotubules can act as an efficient catalyst for reduction of 4-nitrophenol, and the GO/P4VP/flower-like Au mesoparticles-PPy composites can be used as a sensor platform for the detection of organic molecules by SERS.
关键词Enhanced Raman-scattering One-step Synthesis Polymer Brushes Silver Nanoparticles Gold Nanostructures Surface Nanocomposites Spectroscopy Fabrication Immobilization
学科领域Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17488
专题2017专题
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GB/T 7714
Xing, Guoke,Wang, Wenqin,Wang, Ke,et al. Shape-Controlled Synthesis of Au-Polypyrrole Composites Using Poly(4-vinylpyridine) Brush Grafted on Graphene Oxide as a Reaction Chamber[J]. CHEMISTRY-A EUROPEAN JOURNAL,2017,23(69):17549-17555.
APA Xing, Guoke,Wang, Wenqin,Wang, Ke,Li, Ping,&Chen, Tao.(2017).Shape-Controlled Synthesis of Au-Polypyrrole Composites Using Poly(4-vinylpyridine) Brush Grafted on Graphene Oxide as a Reaction Chamber.CHEMISTRY-A EUROPEAN JOURNAL,23(69),17549-17555.
MLA Xing, Guoke,et al."Shape-Controlled Synthesis of Au-Polypyrrole Composites Using Poly(4-vinylpyridine) Brush Grafted on Graphene Oxide as a Reaction Chamber".CHEMISTRY-A EUROPEAN JOURNAL 23.69(2017):17549-17555.
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