Self-Assembling PDDA on Graphene to Surfactant-Free Synthesize Uniform and Ultra-Small Pd Nanocrystals by Direct CO Reduction for Efficient Catalyst Toward Formic Acid Oxidation
Liu, Ze1; Zhang, Lian Ying1,3; Wang, Yi4; Zhao, Zhiliang1; Li, Chang Ming1,2,4
2017-04-03
发表期刊CHEMISTRYSELECT
ISSN2365-6549
卷号2期号:10页码:3110-3116
摘要Herein a facile strategy to self-assemble PDDA on graphene for surfactant-free synthesizing uniform and ultra-small Pd nano-crystals (Pd@PDDA-G, average size of 3.4 nm) by direct CO reduction has been accomplished. The as-prepared Pd@PDDA-G catalyst exhibits much more negative half-wave potential than the commercial Pd/C and Pd@G without using PDDA by 40 mV and 15 mV as well as much higher peak current density than latters by 2.5 and 2 times, respectively toward formic acid oxidation, demonstrating superior electrocatalytic activity. In addition, the catalyst presents better stability than both Pd@G and commercial Pd/C. The electrocatalytic enhancement mechanism could be attributed to produced uniformly ultra-small and clean Pd nanocrystals on porous graphene for high reaction surface area and fast interfacial electron transfer process. This work also offers a universal route to prepare other high performance catalysts for broad applications in energy systems and sensing devices.
关键词Fuel Cells Heterogeneous Catalysis Palladium Graphene Supported Catalysts
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/slct.201700599
收录类别SCI
语种英语
关键词[WOS]FACILE SYNTHESIS ; FUEL-CELLS ; NANOPARTICLES ; PERFORMANCE ; ELECTROCATALYST ; NANOSTRUCTURES ; STABILITY ; STORAGE
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者Fundamental Research Funds for the Central Universities(XDJK2016C001) ; Open fund of Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education of China(LLEUTS-201609) ; Chongqing Postdoctoral Science Foundation(Xm2015006) ; China Postdoctoral Science Foundation(2015 M572426)
WOS记录号WOS:000403548300005
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22713
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Southwest Univ, Fac Mat & Energy, Inst Clean Energy & Adv Mat, Chongqing 400715, Peoples R China
2.Suzhou Univ Sci & Technol, Inst Mat Sci & Devices, Suzhou 215011, Peoples R China
3.Qingdao Univ, Inst Energy & Environm Mat, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
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Liu, Ze,Zhang, Lian Ying,Wang, Yi,et al. Self-Assembling PDDA on Graphene to Surfactant-Free Synthesize Uniform and Ultra-Small Pd Nanocrystals by Direct CO Reduction for Efficient Catalyst Toward Formic Acid Oxidation[J]. CHEMISTRYSELECT,2017,2(10):3110-3116.
APA Liu, Ze,Zhang, Lian Ying,Wang, Yi,Zhao, Zhiliang,&Li, Chang Ming.(2017).Self-Assembling PDDA on Graphene to Surfactant-Free Synthesize Uniform and Ultra-Small Pd Nanocrystals by Direct CO Reduction for Efficient Catalyst Toward Formic Acid Oxidation.CHEMISTRYSELECT,2(10),3110-3116.
MLA Liu, Ze,et al."Self-Assembling PDDA on Graphene to Surfactant-Free Synthesize Uniform and Ultra-Small Pd Nanocrystals by Direct CO Reduction for Efficient Catalyst Toward Formic Acid Oxidation".CHEMISTRYSELECT 2.10(2017):3110-3116.
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