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One-Step Synthesis of Au-Pd Alloy Nanodendrites and Their Catalytic Activity
Shi, Lihua1,2; Wang, Aiqin1; Zhang, Tao1; Zhang, Bingsen3; Su, Dangsheng3; Li, Huanqiao4; Song, Yujiang4
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2013-06-20
DOI10.1021/jp4013202
117期:24页:12526-12536
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]PT BIMETALLIC NANODENDRITES ; SHAPE-CONTROLLED SYNTHESIS ; CORE-SHELL NANOPARTICLES ; PALLADIUM NANOCRYSTALS ; HYDROGEN-PEROXIDE ; ELECTROCATALYTIC ACTIVITY ; PLATINUM NANOSTRUCTURES ; SELECTIVE OXIDATION ; OXYGEN REDUCTION ; HIGHLY EFFICIENT
英文摘要Au-Pd bimetallic nanocrystals with well-defined dendritic morphology, uniform size, and homogeneous alloy structure were synthesized in an aqueous solution by using ascorbic acid as the reductant and triblock copolymer P123 as the stabilizing agent. In this synthesis, ascorbic acid played a key role in directing the nanodendritic morphology while the presence of Pd was mandatory for the formation of well-defined nanodendrites. Without Pd, only faceted nanoparticles of gold were formed under the same reaction conditions. Other reaction variables such as the addition sequence and the dropping rate of the metal precursors, the type and concentration of the stabilizing agents, and the reaction time and temperature were all found to affect the size uniformity and morphology perfectness to some extent. The Au/Pd atomic ratio could be tuned in a wide range without deteriorating the nanodendritic morphology. The as-prepared Au-Pd nanodendrites exhibited excellent catalytic activities toward electroxidation of methanol and reduction of 2-nitrophenol, and the catalytic performances could be effectively tuned by the Au/Pd ratio.
语种英语
WOS记录号WOS:000320911100016
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被引频次:88[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137486
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Catalysis & Mat Div, Shenyang 110016, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
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Shi, Lihua,Wang, Aiqin,Zhang, Tao,et al. One-Step Synthesis of Au-Pd Alloy Nanodendrites and Their Catalytic Activity[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2013,117(24):12526-12536.
APA Shi, Lihua.,Wang, Aiqin.,Zhang, Tao.,Zhang, Bingsen.,Su, Dangsheng.,...&Song, Yujiang.(2013).One-Step Synthesis of Au-Pd Alloy Nanodendrites and Their Catalytic Activity.JOURNAL OF PHYSICAL CHEMISTRY C,117(24),12526-12536.
MLA Shi, Lihua,et al."One-Step Synthesis of Au-Pd Alloy Nanodendrites and Their Catalytic Activity".JOURNAL OF PHYSICAL CHEMISTRY C 117.24(2013):12526-12536.
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