IHEP OpenIR  > 北京同步辐射装置
Metal/metal-organic framework interfacial ensemble-induced dual site catalysis towards hydrogen generation
BSRF用户
2021
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
EISSN1873-3883
Volume286Pages:119946
SubtypeArticle
AbstractHigh performance heterogeneous catalysts are strongly dependent on the availability of interfaces. However, the formation of these interfaces is often compromised by harsh synthetic conditions, low structural controllability, and limited active sites. Here, we report that a facile in-situ growth of copper nanoparticles (NPs) in a cobalt metal-organic framework (Cu NPs-Co MOF), via solvothermal and moderate activation process, leads to catalysts with abundant dual sites at their interface. The optimized Cu-0.5@Co-0.5-MOF/5 composite exhibits outstanding performances with a turnover frequency of 129.8 min(-1), stability of over 10 cycles and low activation energy of 26.5 kJ.mol(-1) for ammonia borane hydrolysis. Such a prominent activity is achieved by the intimate synergy of Cu degrees-Co2+ atomic ensembles at the interface, which substantially boost the reaction rate by catalyzing ammonia borane and water in a synchronized manner. This research opens up a new pathway for the rational design of non-noble metal heterogeneous catalysts by fabricating metal NPs-MOFs interfaces at nanoscale.
DOI10.1016/j.apcatb.2021.119946
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000621623500004
ItemNoBSRF00167
beamline1W1B
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/292935
Collection北京同步辐射装置
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GB/T 7714
BSRF用户. Metal/metal-organic framework interfacial ensemble-induced dual site catalysis towards hydrogen generation[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2021,286:119946.
APA BSRF用户.(2021).Metal/metal-organic framework interfacial ensemble-induced dual site catalysis towards hydrogen generation.APPLIED CATALYSIS B-ENVIRONMENTAL,286,119946.
MLA BSRF用户."Metal/metal-organic framework interfacial ensemble-induced dual site catalysis towards hydrogen generation".APPLIED CATALYSIS B-ENVIRONMENTAL 286(2021):119946.
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