From Ru nanoparticle-encapsulated metal-organic frameworks to highly catalytically active Cu/Ru nanoparticle-embedded porous carbon

被引：91
作者：
Pachfule, Pradip [1 ]
Yang, Xinchun [1 ,2 ]
Zhu, Qi-Long [1 ]
Tsumori, Nobuko [3 ]
Uchida, Takeyuki [1 ]
Xu, Qiang [1 ,2 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Ikeda, Osaka 5638577, Japan
[2] Kobe Univ, Grad Sch Engn, Nada Ku, Kobe, Hyogo 6578501, Japan
[3] Toyama Natl Coll Technol, Hongo Machi, Toyama 9398630, Japan
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2017年 / 5卷 / 10期
基金：
日本学术振兴会;
关键词：
CORE-SHELL NANOPARTICLES; HIGH-SURFACE-AREA; CATALYZED HYDROLYTIC DEHYDROGENATION; MONODISPERSE RUTHENIUM NANOPARTICLES; ZEOLITIC IMIDAZOLATE FRAMEWORKS; AMMONIA-BORANE; HYDROGEN GENERATION; EFFICIENT CATALYSTS; FACILE SYNTHESIS; HETEROGENEOUS CATALYSTS;
D O I：
10.1039/c6ta10748f
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：4835 / 4841
页数：7
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