ICCAS OpenIR
Controllable Synthesis of Water-Soluble Gold Nanoparticles and Their Applications in Electrocatalysis and Surface-Enhanced Raman Scattering
Qiao, Yan; Chen, Huanfa; Lin, Yiyang; Huang, Jianbin
2011-09-06
Source PublicationLANGMUIR
ISSN0743-7463
Volume27Issue:17Pages:11090-11097
AbstractWe report a facile method to synthesize water-soluble gold nanoparticles (AuNPs) using a biosurfactant sodium cholate as reducing reagents and protective groups in aqueous solution at ambient temperature. The diameters (13-70 nm) of uniform AuNPs can be readily adjusted by changing the initial molar ratio of sodium cholate to chloroauric acid (HAuCl4). Also, the alkaline condition of preparative solution is found to affect the size of as-synthesized AuNPs. This synthetic approach is one-step and "green". The obtained AuNPs exhibit a good electrocatalytic activity toward methanol oxidation. Meanwhile, the AuNPs thin films can serve as an efficient substrate for surface-enhanced Raman scattering (SERS). Furthermore, platinum nanoparticles (PtNPs) are also prepared by reducing sodium tetrachloro platinate hydrate with sodium cholate.
DOI10.1021/la2019154
Indexed BySCI
Language英语
WOS IDWOS:000294373300093
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73758
Collection中国科学院化学研究所
Corresponding AuthorHuang, Jianbin
AffiliationPeking Univ, Beijing Natl Lab Mol Sci BNLMS, State Key Lab Struct Chem Unstable & Stable Speci, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Qiao, Yan,Chen, Huanfa,Lin, Yiyang,et al. Controllable Synthesis of Water-Soluble Gold Nanoparticles and Their Applications in Electrocatalysis and Surface-Enhanced Raman Scattering[J]. LANGMUIR,2011,27(17):11090-11097.
APA Qiao, Yan,Chen, Huanfa,Lin, Yiyang,&Huang, Jianbin.(2011).Controllable Synthesis of Water-Soluble Gold Nanoparticles and Their Applications in Electrocatalysis and Surface-Enhanced Raman Scattering.LANGMUIR,27(17),11090-11097.
MLA Qiao, Yan,et al."Controllable Synthesis of Water-Soluble Gold Nanoparticles and Their Applications in Electrocatalysis and Surface-Enhanced Raman Scattering".LANGMUIR 27.17(2011):11090-11097.
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