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现代化工  2020, Vol. 40 Issue (12): 127-131,136    DOI: 10.16606/j.cnki.issn0253-4320.2020.12.026
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
银/氧化铜纳米带/泡沫铜复合电极的制备及其在双氧水电化学传感器中的应用
田亮亮1,2
1. 重庆交通职业学院路桥与建筑学院, 重庆 402260;
2. 重庆文理学院新材料技术研究院, 重庆 402160
Preparation of Ag/CuO nanobelts/copper foam composite electrode and its application in electrochemical hydrogen peroxide sensors
TIAN Liang-liang1,2
1. School of Architecture and Luqiao, Chongqing Vocational College of Transportation, Chongqing 402260, China;
2. New Materials Research Institute, Chongqing University of Arts and Sciences, Chongqing 402160, China
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摘要 二维过渡金属材料特殊的各向异性结构使其在电催化领域具有潜在的应用,然而其单一的表面性质和不足的导电性限制了电催化活性的进一步提高。首先采用原位化学氧化在泡沫铜(CF)表面制备CuO纳米带(CuO NBs),进而在其表面修饰纳米银颗粒(Ag NPs),以达到改善导电性和界面性质的目的。结果表明,作为H2O2的检测电极,AgNPs/CuO NBs/CF电极在1.5 μmol/L~2.5 mmol/L之间的灵敏度高达181.2 μA/(mmol/L·cm2),该灵敏度高于CuO NBs/CF电极[126.4 μA/(mmol/L·cm2)]和CF电极[98.8 μA/(mmol/L·cm2)],证明通过Ag NPs修饰可以有效提高CuO NBs的电催化活性。
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田亮亮
关键词:  CuO纳米带  纳米银  电催化  传感器  双氧水    
Abstract: Two-dimensional transition metals have potential applications in electrocatalysis sector due to their special structural and morphologic anisotropies.However,their monotonous surface properties and insufficient electrical conductivity limit the further improvement of their electrocatalytic activity.At first,CuO nanobelts (CuO NBs) are prepared on copper foam (CF) by in-situ chemical oxidation,and then silver nanoparticles (Ag NPs) are decorated on the nanobelts to improve the conductivity and interface properties.As a detection electrode for H2O2,Ag NPs/CuO NBs/CF electrode displays a sensitivity of 181.2 μA·mM-1·cm-2 between 1.5 μM and 2.5 mM,which is higher than those of CuO NBs/CF (126.4 μA·mM-1·cm-2) and CF electrode (98.8 μA·mM-1·cm-2).It demonstrates that the decoration of Ag NPs can effectively improve the electrocatalytic activity of CuO NBs.Moreover,the decoration of precious metals also provides ideas for the improvement of electrocatalytic activity of other two-dimensional transition metal materials.
Key words:  CuO nanobelts    Ag nanoparticles    electrocatalysis    sensor    hydrogen peroxide
收稿日期:  2020-08-04      修回日期:  2020-10-10          
ZTFLH:  O643  
基金资助: 国家自然科学基金(21403020)
通讯作者:  田亮亮(1984-),男,博士,副教授,硕士生导师,主要从事纳米催化剂研究,通讯联系人,tianll07@163.com。    E-mail:  tianll07@163.com
引用本文:    
田亮亮. 银/氧化铜纳米带/泡沫铜复合电极的制备及其在双氧水电化学传感器中的应用[J]. 现代化工, 2020, 40(12): 127-131,136.
TIAN Liang-liang. Preparation of Ag/CuO nanobelts/copper foam composite electrode and its application in electrochemical hydrogen peroxide sensors. Modern Chemical Industry, 2020, 40(12): 127-131,136.
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https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2020.12.026  或          https://www.xdhg.com.cn/CN/Y2020/V40/I12/127
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