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Boosting the catalysis of gold by O-2 activation at Au-SiO2 interface
Zhang, Yunlai; Zhang, Junying; Zhang, Bingsen; Si, Rui; Han, Bing; Hong, Feng; Niu, Yiming; Sun, Li; Li, Lin; Qiao, Botao; Sun, Keju; Huang, Jiahui; Haruta, Masatake
2020-01-28
Source PublicationNATURE COMMUNICATIONS
Volume11Issue:1
AbstractSupported gold (Au) nanocatalysts have attracted extensive interests in the past decades because of their unique catalytic properties for a number of key chemical reactions, especially in (selective) oxidations. The activation of O-2 on Au nanocatalysts is crucial and remains a challenge because only small Au nanoparticles (NPs) can effectively activate O-2. This severely limits their practical application because Au NPs inevitably sinter into larger ones during reaction due to their low Taman temperature. Here we construct a Au-SiO2 interface by depositing thin SiO2 layer onto Au/TiO2 and calcination at high temperatures and demonstrate that the interface can be not only highly sintering resistant but also extremely active for O-2 activation. This work provides insights into the catalysis of Au nanocatalysts and paves a way for the design and development of highly active supported Au catalysts with excellent thermal stability.
DOI10.1038/s41467-019-14241-8
WOS IDWOS:000563506500003
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/83200
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang, Yunlai,Zhang, Junying,Zhang, Bingsen,et al. Boosting the catalysis of gold by O-2 activation at Au-SiO2 interface[J]. NATURE COMMUNICATIONS,2020,11(1).
APA Zhang, Yunlai.,Zhang, Junying.,Zhang, Bingsen.,Si, Rui.,Han, Bing.,...&Haruta, Masatake.(2020).Boosting the catalysis of gold by O-2 activation at Au-SiO2 interface.NATURE COMMUNICATIONS,11(1).
MLA Zhang, Yunlai,et al."Boosting the catalysis of gold by O-2 activation at Au-SiO2 interface".NATURE COMMUNICATIONS 11.1(2020).
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