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Reaction-Induced Strong Metal-Support Interactions between Metals and Inert Boron Nitride Nanosheets
Dong, Jinhu; Fu, Qiang; Li, Haobo; Xiao, Jianping; Yang, Bing; Zhang, Bingsen; Bai, Yunxing; Song, Tongyuan; Zhang, Rankun; Gao, Lijun; Cai, Jun; Zhang, Hui; Liu, Zhi; Bao, Xinhe
2020-10-07
Source PublicationJOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume142Issue:40Pages:17167-17174
AbstractEncapsulation of metal nanocatalysts by support-derived materials is well known as a classical strong metal-support interaction (SMSI) effect that occurs almost exclusively with active oxide supports and often blocks metal-catalyzed surface reactions. In the present work this classical SMSI process has been surprisingly observed between metal nanoparticles, e.g., Ni, Fe, Co, and Ru, and inert hexagonal boron nitride (h-BN) nanosheets. We find that weak oxidizing gases such as CO2 and H2O induce the encapsulation of nickel (Ni) nanoparticles by ultrathin boron oxide (BOx) overlayers derived from the h-BN support (Ni@BOx/h-BN) during the dry reforming of methane (DRM) reaction. In-situ surface characterization and theory calculations reveal that surface B-O and B-OH sites in the formed BOx encapsulation overlayers work synergistically with surface Ni sites to promote the DRM process rather than blocking the surface reactions.
DOI10.1021/jacs.0c08139
WOS IDWOS:000579087600030
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82449
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Dong, Jinhu,Fu, Qiang,Li, Haobo,et al. Reaction-Induced Strong Metal-Support Interactions between Metals and Inert Boron Nitride Nanosheets[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2020,142(40):17167-17174.
APA Dong, Jinhu.,Fu, Qiang.,Li, Haobo.,Xiao, Jianping.,Yang, Bing.,...&Bao, Xinhe.(2020).Reaction-Induced Strong Metal-Support Interactions between Metals and Inert Boron Nitride Nanosheets.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,142(40),17167-17174.
MLA Dong, Jinhu,et al."Reaction-Induced Strong Metal-Support Interactions between Metals and Inert Boron Nitride Nanosheets".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 142.40(2020):17167-17174.
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