NIMTE OpenIR  > 2018专题
3D hierarchical Ag nanostructures formed on poly(acrylic acid) brushes grafted graphene oxide as promising SERS substrates
Xing, Guoke; Wang, Ke; Li, Ping; Wang, Wenqin; Chen, Tao
2018
Source PublicationNANOTECHNOLOGY
Volume29Issue:11
AbstractIn this study, in situ generation of Ag nanostructures with various morphology on poly(acrylic acid) (PAA) brushes grafted onto graphene oxide (GO), for use as substrates for surface-enhanced Raman scattering (SERS), is demonstrated. The overall synthetic strategy involves the loading of Ag precursor ions ((Ag+ and [Ag(NH3)(2)](+)) onto PAA brush-grafted GO, followed by their in situ reduction to Ag nanostructures of various morphology using a reducing agent (NaBH4 or ascorbic acid). Novel 3D hierarchical flowerlike Ag nanostructures were obtained by using AgNO3 as precursor and ascorbic acid as reducing agent. Using 4-aminothiophenol as probe molecules, the as-prepared hierarchical Ag nanostructures exhibited excellent SERS performance, providing enhancement factors of similar to 10(7).
KeywordEnhanced Raman-spectroscopy Polymer Thin-film Gold Nanoparticles Surface Scattering Au Superstructures Fabrication
Subject AreaScience & Technology - Other Topics ; Materials Science ; Physics
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/16754
Collection2018专题
Recommended Citation
GB/T 7714
Xing, Guoke,Wang, Ke,Li, Ping,et al. 3D hierarchical Ag nanostructures formed on poly(acrylic acid) brushes grafted graphene oxide as promising SERS substrates[J]. NANOTECHNOLOGY,2018,29(11).
APA Xing, Guoke,Wang, Ke,Li, Ping,Wang, Wenqin,&Chen, Tao.(2018).3D hierarchical Ag nanostructures formed on poly(acrylic acid) brushes grafted graphene oxide as promising SERS substrates.NANOTECHNOLOGY,29(11).
MLA Xing, Guoke,et al."3D hierarchical Ag nanostructures formed on poly(acrylic acid) brushes grafted graphene oxide as promising SERS substrates".NANOTECHNOLOGY 29.11(2018).
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