Preparation of nanoporous Ag@TiO2 ribbons through dealloying and their electrocatalytic properties
Preparation of nanoporous Ag@TiO2 ribbons through dealloying and their electrocatalytic properties
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脱合金纳米孔Ag@TiO 2 带材的制备及其电催化性能
DOI：
10.1007/s10008-014-2702-x
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发表时间：
2015-04
期刊：
影响因子：
--
通讯作者：
Wenjie Feng
中科院分区：
文献类型：
--
作者：
Xiaolong Zhang;Xiaoping Song;Zhanbo Sun;Wenjie Feng
采用NaOH溶液对快淬Al-Ag-Ti薄带进行脱合金处理，成功制备了具有核壳结构的纳米多孔Ag@TiO2复合材料。结果表明，在Ag纳米带表面原位生成了厚度约为2 nm的TiO 2壳层。脱合金样品经873 K焙烧后，Ti 3+和Ag+物种共存，对催化剂性能有显著影响。电化学测试结果表明，纳米多孔Ag@TiO2复合材料对BH 4 −的直接氧化反应的促进作用明显上级纯Ag。增强的催化活性可以归因于韧带和TiO 2壳层之间的强界面效应。
Nanoporous Ag@TiO2 composites with core-shell structure were successfully prepared through dealloying the melt-spun Al-Ag-Ti ribbons in NaOH aqueous solution. The results revealed that TiO2 shell with thickness of about 2 nm was formed in situ on the Ag ligaments. Ti3+ and Ag+ species co-existed after the dealloyed samples were calcined at 873 K, which had significant influence on the catalytic performance. The electrochemical results showed that the nanoporous Ag@TiO2 composites significantly promoted the direct oxidation of BH4− superior to pure Ag. The enhanced catalytic activity could be attributed to the strong interfacial effects between the ligaments and TiO2 shells.
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影响因子：
8.3
作者：
Song, T. T.;Gao, Y. L.;Zhai, Q. J.
通讯作者：
Zhai, Q. J.
TiO2 修饰的纳米多孔金增强甲醇氧化的光电催化活性
影响因子：
3.7
作者：
Jia, Chuancheng;Yin, Huiming;Ding, Yi
通讯作者：
Ding, Yi
影响因子：
3.7
作者：
Jia, Falong;Yu, Chuanfang;Zhang, Lizhi
通讯作者：
Zhang, Lizhi
DOI：
10.1039/b919313h
发表时间：
2010-02
期刊：
Physical chemistry chemical physics : PCCP
影响因子：
--
作者：
Qian Zhang;Zhonghua Zhang
通讯作者：
Qian Zhang;Zhonghua Zhang
影响因子：
12.9
作者：
Arne Wittstock;A. Wichmann;M. Bäumer
通讯作者：
Arne Wittstock;A. Wichmann;M. Bäumer