Preparation of Dendritic Copper Nanostructures and Their Characterization for Electroreduction
Qiu, Ri2; Cha, Hyun Gil1; Noh, Hui Bog3,4; Shim, Yoon Bo3,4; Zhang, Xiao Li2; Qiao, Ru2; Zhang, Dun5; Il Kim, Yeong2; Pal, Umapada1; Kang, Young Soo1; Kang, YS, Sogang Univ, Dept Chem, Seoul 121742, South Korea
2009-09-10
发表期刊JOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
卷号113期号:36页码:15891-15896
文章类型Article
摘要Dendritic copper nanostructures of different morphologies were synthesized by a surfactant-free electrochemical method. Single crystal nature of the nanostructures was revealed from their X-ray diffraction and electron diffraction patterns. Mechanism of dendrite formation was discussed from thermodynamic aspects using the concept of supersaturation. Supersaturation of the copper metal reduced on the surface of the electrode was the crucial factor for the generation of different morphologies. Effects of applied potential, temperature, and the solution concentration on the supersaturation were studied. The NO(3)(-) and H(2)O(2) electroreduction ability of the dendritic materials was tested. Use of copper dendrite-modified electrode as NO(3)(-) sensor was demonstrated.; Dendritic copper nanostructures of different morphologies were synthesized by a surfactant-free electrochemical method. Single crystal nature of the nanostructures was revealed from their X-ray diffraction and electron diffraction patterns. Mechanism of dendrite formation was discussed from thermodynamic aspects using the concept of supersaturation. Supersaturation of the copper metal reduced on the surface of the electrode was the crucial factor for the generation of different morphologies. Effects of applied potential, temperature, and the solution concentration on the supersaturation were studied. The NO3- and H2O2 electroreduction ability of the dendritic materials was tested. Use of copper dendrite-modified electrode as NO3- sensor was demonstrated.
关键词Modified Electrode Electrocatalytic Reduction Electrochemical Detection Hydrogen-peroxide Nitrate Deposition Mechanism Catalysis Nitrite Silver
学科领域Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
DOI10.1021/jp904222b
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000269654700018
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被引频次:107[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/1900
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Kang, YS, Sogang Univ, Dept Chem, Seoul 121742, South Korea
作者单位1.Sogang Univ, Dept Chem, Seoul 121742, South Korea
2.Pukyong Natl Univ, Dept Chem, Pusan 608737, South Korea
3.Pusan Natl Univ, Dept Chem, Pusan 609735, South Korea
4.Pusan Natl Univ, Ctr Innovat BioPhys Sensor Technol, Pusan 609735, South Korea
5.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
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Qiu, Ri,Cha, Hyun Gil,Noh, Hui Bog,et al. Preparation of Dendritic Copper Nanostructures and Their Characterization for Electroreduction[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2009,113(36):15891-15896.
APA Qiu, Ri.,Cha, Hyun Gil.,Noh, Hui Bog.,Shim, Yoon Bo.,Zhang, Xiao Li.,...&Kang, YS, Sogang Univ, Dept Chem, Seoul 121742, South Korea.(2009).Preparation of Dendritic Copper Nanostructures and Their Characterization for Electroreduction.JOURNAL OF PHYSICAL CHEMISTRY C,113(36),15891-15896.
MLA Qiu, Ri,et al."Preparation of Dendritic Copper Nanostructures and Their Characterization for Electroreduction".JOURNAL OF PHYSICAL CHEMISTRY C 113.36(2009):15891-15896.
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