NDLI: Sodium citrate: A universal reducing agent for reduction / decoration of graphene oxide with au nanoparticles

Content Provider	Springer Nature Link
Author	Zhang, Zhe Chen, Huihui Xing, Chunyan Guo, Mingyi Xu, Fugang Wang, Xiaodan Gruber, Hermann J. Zhang, Bailin Tang, Jilin
Copyright Year	2011
Abstract	A facile method is proposed for the synthesis of reduced graphene oxide nanosheets (RGONS) and Au nanoparticle-reduced graphene oxide nanosheet (Au-RGONS) hybrid materials, using graphene oxide (GO) as precursor and sodium citrate as reductant and stabilizer. The resulting RGONS and Au-RGONS hybrid materials were characterized by UV-vis spectroscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, atomic force microscopy, transmission electron microscopy, and X-ray diffraction. It was found that the RGONS and Au-RGONS hybrid materials formed stable colloidal dispersions through hydrogen bonds between the residual oxygen-containing functionalities on the surface of RGONS and the hydroxyl/carboxyl groups of sodium citrate. The electrochemical responses of RGONS and Au-RGONS hybrid material-modified glassy carbon electrodes (GCE) to three kinds of biomolecules were investigated, and all of them showed a remarkable increase in electrochemical performance relative to a bare GCE.
Starting Page	599
Ending Page	611
Page Count	13
File Format	PDF
ISSN	19980124
Journal	Nano Research
Volume Number	4
Issue Number	6
e-ISSN	19980000
Language	English
Publisher	Tsinghua Press
Publisher Date	2011-03-24
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Graphene nanosheets sodium citrate Au nanoparticles hybrid materials electrocatalysis Nanotechnology Biotechnology Atomic/Molecular Structure and Spectra Biomedicine general Materials Science Condensed Matter Physics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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