期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 5, 期 10, 页码 4835-4841出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta10748f
关键词
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资金
- Japan Society for the Promotion of Science (JSPS)
- JSPS
- Grants-in-Aid for Scientific Research [17K06917] Funding Source: KAKEN
A facile method for the in situ encapsulation of highly dispersed ultrafine Ru nanoparticles in HKUST-1, a copper-1,3,5-benzenetricarboxylate (BTC) metal-organic framework (MOF), without aggregation on the external surface of MOF crystallites has been developed. The thermal transformation of Ru@HKUST-1 composites in an inert atmosphere has yielded ultrafine Cu/Ru nanoparticle-embedded porous carbon, which shows very high catalytic activity and good durability for ammonia borane hydrolysis. During the thermal treatment of Ru@HKUST-1 composites, highly graphitic carbon formed around the Cu/Ru nanoparticles depressed the sintering of nanoparticles, resulting in the fine distribution of tiny nanoparticles in the carbon matrix. For the first time, the utilization of metal nanoparticle-encapsulated MOFs as a template/precursor for the synthesis of catalytically active metal nanoparticle-embedded porous carbon has been revealed.
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