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题名: Electrocatalytic properties of Cu-Zr amorphous alloy towards the electrochemical hydrogenation of nitrobenzene
作者: Jiang, JH;  Zhai, RS;  Bao, XH
关键词: amorphous materials ;  catalysis ;  electrochemical reactions
刊名: JOURNAL OF ALLOYS AND COMPOUNDS
发表日期: 2003-05-12
DOI: 10.1016/S0925-8388(02)01359-2
卷: 354, 期:1-2, 页:248-258
收录类别: SCI
文章类型: Article
部门归属: 502
项目归属: 502
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary ;  Metallurgy & Metallurgical Engineering
研究领域[WOS]: Chemistry ;  Materials Science ;  Metallurgy & Metallurgical Engineering
英文摘要: The Cu-Zr amorphous alloy was studied as an electrocatalyst towards the electrochemical hydrogenation of nitrobenzene. The electrocatalyst was activated by chemical etching in HF solution. Resulted changes in the morphology, chemical composition and crystalline structure of the electrocatalyst surface were characterised by scanning electron microscopy, X-ray diffraction and Auger electron spectroscopy. The electrocatalytic properties of the Cu-Zr amorphous alloy were assessed by voltammetric measurements. Due to the formation and aggregation of Zr residue modified Cu nanocrystals on the surface caused by the selective dissolution of Zr components in the chemical etching, the activated amorphous alloy is an effective electrocatalyst for the electrochemical reduction reaction of nitrobenzene with aniline as the main product. The positive shift of the peak potential and accompanying increase in the value of peak current in voltammograms with increasing Cu content and decreasing Zr content of the alloy surface in the chemical etching are indicative of improved electrocatalytic activity. (C) 2002 Elsevier Science B.V. All rights reserved.
关键词[WOS]: CARBON-DIOXIDE ;  P-AMINOPHENOL ;  ELECTRODE ;  TI ;  REDUCTION ;  CATALYSIS ;  ELECTROREDUCTION ;  DEHYDROGENATION ;  ACTIVATION ;  2-PROPANOL
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000182879800046
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82793
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Jiang, JH,Zhai, RS,Bao, XH. Electrocatalytic properties of Cu-Zr amorphous alloy towards the electrochemical hydrogenation of nitrobenzene[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2003,354(1-2):248-258.
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