Defect Effects on TiO2 Nanosheets: Stabilizing Single Atomic Site Au and Promoting Catalytic Properties
Wan, JW; Chen, WX; Jia, CY; Zheng, LR; Dong, JC; Zheng, XS; Wang, Y; Yan, WS; Chen, C; Peng, Q; Wang, DS; Li, YD
2018
发表期刊ADVANCED MATERIALS
ISSN0935-9648
卷号30期号:11页码:-
文章类型期刊论文
摘要Isolated single atomic site catalysts have attracted great interest due to their remarkable catalytic properties. Because of their high surface energy, single atoms are highly mobile and tend to form aggregate during synthetic and catalytic processes. Therefore, it is a significant challenge to fabricate isolated single atomic site catalysts with good stability. Herein, a gentle method to stabilize single atomic site metal by constructing defects on the surface of supports is presented. As a proof of concept, single atomic site Au supported on defective TiO2 nanosheets is prepared and it is discovered that (1) the surface defects on TiO2 nanosheets can effectively stabilize Au single atomic sites through forming the Ti-Au-Ti structure; and (2) the Ti-Au-Ti structure can also promote the catalytic properties through reducing the energy barrier and relieving the competitive adsorption on isolated Au atomic sites. It is believed that this work paves a way to design stable and active single atomic site catalysts on oxide supports.
关键词Co Oxidation Nanocrystalline Ceo2 Photocatalytic H-2 Gold Evolution Oxygen Activation Support Design
DOI10.1002/adma.201705369
收录类别SCI
语种英语
WOS记录号WOS:000427111300007
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28959
专题中科院上海应用物理研究所2011-2018年
作者单位1.Wan, JW
2.Chen, WX
3.Jia, CY
4.Zheng, LR
5.Dong, JC
6.Zheng, XS
7.Wang, Y
8.Yan, WS
9.Chen, C
10.Peng, Q
11.Wang, DS
12.Li, YD
推荐引用方式
GB/T 7714
Wan, JW,Chen, WX,Jia, CY,et al. Defect Effects on TiO2 Nanosheets: Stabilizing Single Atomic Site Au and Promoting Catalytic Properties[J]. ADVANCED MATERIALS,2018,30(11):-.
APA Wan, JW.,Chen, WX.,Jia, CY.,Zheng, LR.,Dong, JC.,...&Li, YD.(2018).Defect Effects on TiO2 Nanosheets: Stabilizing Single Atomic Site Au and Promoting Catalytic Properties.ADVANCED MATERIALS,30(11),-.
MLA Wan, JW,et al."Defect Effects on TiO2 Nanosheets: Stabilizing Single Atomic Site Au and Promoting Catalytic Properties".ADVANCED MATERIALS 30.11(2018):-.
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