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Facile synthesis of silver nanoparticles supported on three dimensional graphene oxide/carbon black composite and its application for oxygen reduction reaction
Yuan, Lizhi1,2; Jiang, Luhua1; Liu, Jing1,2; Xia, Zhangxun1,2; Wang, Suli1; Sun, Gongquan1
KeywordSilver Graphene Oxide Carbon Black Oxygen Reduction Reaction Electrocatalyst
Source PublicationELECTROCHIMICA ACTA
2014-07-20
DOI10.1016/j.electacta.2014.04.137
Volume135Pages:168-174
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectElectrochemistry
WOS Research AreaElectrochemistry
WOS KeywordMETAL-FREE ELECTROCATALYSTS ; MEMBRANE FUEL-CELLS ; ALKALINE MEDIA ; AG NANOPARTICLES ; CATHODE ELECTROCATALYST ; POLYCRYSTALLINE SILVER ; CATALYTIC-ACTIVITY ; CARBON ; OXIDE ; PERFORMANCE
AbstractA 3D graphene oxide/carbon sphere supported silver composite (Ag/GO/C) was synthesized using graphene oxide as the reducing agent. The reducing process of Ag+ was monitored by the ultra violet-visible (UV-vis) absorption spectrometer and the physical properties of the Ag/GO/C composite were characterized by Fourier transform infrared spectrometer (FTIR), transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The results demonstrated that the dispersive Ag nanoparticles are anchored uniformly on the surface of GO sheets with a mean size of about 6.9 nm. With introducing carbon black, the Ag nanoparticles aggregated slightly. Compared with its counterpart Ag/GO, the Ag/GO/C composite showed a significantly enhanced activity towards the oxygen reduction reaction in alkaline media. The enhancement can be ascribed to the 3D composite support, which not only improves the electrical conductivity, but also enforces the mass transport in the catalyst layer facilitating the reactants access to the active sites. Moreover, the Ag/GO/C composite exhibits good tolerance to alcohols, carbonates and tetramethylammonium hydroxide. This work is expected to open a new pathway to use GO as a reducing agent to synthesize electrocatalysts without surfactants. Crown Copyright (C) 2014 Published by Elsevier Ltd. All rights reserved.
Language英语
WOS IDWOS:000339692600023
Citation statistics
Cited Times:50[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/145601
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cell & Battery, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Lizhi,Jiang, Luhua,Liu, Jing,et al. Facile synthesis of silver nanoparticles supported on three dimensional graphene oxide/carbon black composite and its application for oxygen reduction reaction[J]. ELECTROCHIMICA ACTA,2014,135:168-174.
APA Yuan, Lizhi,Jiang, Luhua,Liu, Jing,Xia, Zhangxun,Wang, Suli,&Sun, Gongquan.(2014).Facile synthesis of silver nanoparticles supported on three dimensional graphene oxide/carbon black composite and its application for oxygen reduction reaction.ELECTROCHIMICA ACTA,135,168-174.
MLA Yuan, Lizhi,et al."Facile synthesis of silver nanoparticles supported on three dimensional graphene oxide/carbon black composite and its application for oxygen reduction reaction".ELECTROCHIMICA ACTA 135(2014):168-174.
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