The Au/Ag alloy nanoshuttle-TiO2 nanostructure with enhanced H2 production under visible light and inactivation analysis

被引：0

作者：

Lei, Weisheng ^{[1
]}

Wang, Fengzhi ^{[1
]}

Pan, Xinhua ^{[1
]}

Lu, Bin ^{[1
]}

Ye, Zhizhen ^{[1
]}

机构：

[1] State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, School of Materials Science and Engineering, Zhejiang University, 310027, China

来源：

Nanotechnology | 2020年 / 31卷 / 09期

关键词：

Titanium dioxide;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Plasmonic noble metal has been applied in photocatalytic materials, and TiO2 with plasmonic noble metal has been studied for a long time. In this work, we have fabricated incomplete covered Au/Ag alloy nanoshuttle-TiO2 nanomaterials with 268.7 μmol g-1h-1 H2-evolution in a simple solution method. The considerable photocatalytic performance is mainly due to the enhanced surface plasmon resonance effect of Au/Ag alloy nanoshuttles. It has been found that TiO2 clusters attached to the Au/Ag nanoshuttles surface migrate under electrons irradiation and cover the exposed Au/Ag NS surface to achieve thermodynamic stability, which results in instability of photocatalytic performance. The mechanism has been discussed in detail. © 2019 IOP Publishing Ltd.

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