Facile synthesis of clean Pt nanoparticles supported on reduced graphene oxide composites: Their growth mechanism and tuning of their methanol electro-catalytic oxidation property - Details

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Abstract：

A　facile　hydrothermal　method　has　been　proposed　to　prepare　reduced　graphene　oxide　(RGO)　and　enhance　its　reducing　ability.　For　the　first　time,　the　spontaneous　redox　reaction　between　PtCl42-　and　RGO　has　been　reported　and　no　additional　reductants　or　surfactants　were　needed.　X-ray　photoelectron　spectroscopy　and　transmission　electron　microscope　images　were　used　to　characterize　the　synthesized　Pt　nanoparticles　supported　on　RGO　sheet　(PtNPs/RGO)　composites.　The　reaction　mechanism　has　been　investigated　by　changing　the　medium　pH　of　the　reaction.　We　further　proved　that　the　electro-catalytic　property　of　PtNPs/RGO　could　be　tuned　and,　because　of　the　clean,　well-dispersed　PtNPs　and　the　synergistic　effect　between　the　PtNPs　and　RGO,　the　PtNPs/RGO　expressed　higher　electro-catalytic　activity　and　better　tolerance　for　methanol　oxidization　than　a　commercial　Pt/C　catalyst.　©　2013　Elsevier　Ltd.　All　rights　reserved.

Keyword：

Catalyst activity Catalytic oxidation Electrocatalysis Fuel cells Graphene Metal nanoparticles Methanol Platinum compounds Redox reactions Synthesis (chemical) Transmission electron microscopy X ray photoelectron spectroscopy

Community：

[ 1 ] [Wu, Genghuang]Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
[ 2 ] [Chen, Xi]Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
[ 3 ] [Huang, Huang]Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
[ 4 ] [Chen, Xiaomei]College of Biological Engineering, Jimei University, Jimei, Xiamen 361021, China
[ 5 ] [Cai, Zhixiong]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China
[ 6 ] [Jiang, Yaqi]Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China

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xichen@xmu.edu.cn

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Source ：

Electrochimica Acta

ISSN： 0013-4686

Year： 2013

Volume： 111

Page： 779-783

4 . 0 8 6

JCR@2013

5 . 5 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：2

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 2

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