Photo-electro synergistic catalysis: Can Pd be active for methanol electrooxidation in acidic medium?
2018-07-10
发表期刊ELECTROCHIMICA ACTA (IF:5.5[JCR-2023],5.5[5-Year])
ISSN0013-4686
卷号278页码:210-218
发表状态已发表
DOI10.1016/j.electacta.2018.05.052
摘要Development of alternative Pt-free electrocatalyst for methanol oxidation reaction (MOR) in acidic medium remains a big challenge. As is reported, Pd is a good electrocatalyst for MOR in alkaline medium, but it is commonly recognized as inactive in acidic medium. Herein, we report an active Pd nanoparticles electrocatalyst for MOR in acidic medium although its catalytic activity is low. The photoexcitation of the plasmonic Pd nanoparticles leads to an MOR activity enhancement by a factor of 2 under visible light. Interestingly, the photogenerated electron-hole separation on nanosized TiO2 and the surface plasmon resonance effect of Pd nanoparticles on Pd/TiO2 heterostructure synergistically promote the photoelectrocatalytic activity of MOR under simulated solar light. The 17.9-fold activity enhancement of MOR in the presence of UV light indicates that the photogenerated electron-hole separation on TiO2 plays a crucial role in the photo-electro-synergistic methanol oxidation reaction. This remarkable light-driven activity enhancement of methanol oxidation reaction on Pd/TiO2 heterostructure suggests that the combination of plasmonic Pd nanoparticles and photogenerated electron-hole separation on TiO2 could provide a new strategy for the design and construction of energy conversion system. (C) 2018 Elsevier Ltd. All rights reserved.
关键词Photoelectrocatalysis Palladium nanostructure Plasmon Methanol oxidation Acidic medium
收录类别SCI ; SCIE ; EI
语种英语
资助项目National Natural Science Foundation of China[21503262] ; National Natural Science Foundation of China[21533005]
WOS研究方向Electrochemistry
WOS类目Electrochemistry
WOS记录号WOS:000433582000022
出版者PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号20182005200106
EI主题词Catalyst activity ; Electrocatalysts ; Electrooxidation ; Energy conversion ; Image enhancement ; Light ; Methanol ; Nanoparticles ; Oxidation ; Plasmonics ; Plasmons ; Separation ; Surface plasmon resonance ; Titanium dioxide
EI分类号Energy Conversion Issues:525.5 ; Precious Metals:547.1 ; Light/Optics:741.1 ; Nanotechnology:761 ; Chemical Reactions:802.2 ; Chemical Operations:802.3 ; Chemical Agents and Basic Industrial Chemicals:803 ; Organic Compounds:804.1 ; Inorganic Compounds:804.2 ; Atomic and Molecular Physics:931.3 ; Solid State Physics:933
WOS关键词SURFACE-PLASMON RESONANCE ; FUEL-CELLS ; PHOTOCATALYTIC ACTIVITY ; GOLD NANOPARTICLES ; ALKALINE-SOLUTIONS ; CHARGE SEPARATION ; SINGLE-PARTICLE ; FORMIC-ACID ; AU NANORODS ; OXIDATION
原始文献类型Article
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/20886
专题物质科学与技术学院
物质科学与技术学院_特聘教授组_杨辉组
物质科学与技术学院_特聘教授组_杨辉组
物质科学与技术学院_博士生
通讯作者Zou, Liangliang; Yang, Hui
作者单位
1.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
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GB/T 7714
Xiong, Yunjie,Zou, Liangliang,Pan, Qingguang,et al. Photo-electro synergistic catalysis: Can Pd be active for methanol electrooxidation in acidic medium?[J]. ELECTROCHIMICA ACTA,2018,278:210-218.
APA Xiong, Yunjie,Zou, Liangliang,Pan, Qingguang,Zhou, Yi,Zou, Zhiqing,&Yang, Hui.(2018).Photo-electro synergistic catalysis: Can Pd be active for methanol electrooxidation in acidic medium?.ELECTROCHIMICA ACTA,278,210-218.
MLA Xiong, Yunjie,et al."Photo-electro synergistic catalysis: Can Pd be active for methanol electrooxidation in acidic medium?".ELECTROCHIMICA ACTA 278(2018):210-218.
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