Nitrogen-doped flower-like porous carbon materials directed by in situ hydrolysed MgO: Promising support for Ru nanoparticles in catalytic hydrogenations

被引:24
作者
Li, Mingming [1 ]
Tang, Minghui [1 ]
Deng, Jiang [1 ]
Wang, Yong [1 ]
机构
[1] Zhejiang Univ, Dept Chem, Adv Mat & Catalysis Grp, ZJU NHU United R&D Ctr, Hangzhou 310028, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
nitrogen-doped porous carbon; MgO; in situ hydrolysis; ruthenium; aromatic hydrogenation; RUTHENIUM NANOPARTICLES; PALLADIUM NANOPARTICLES; ELECTRODE MATERIALS; NANOPOROUS CARBONS; AEROBIC OXIDATION; BENZOIC-ACID; C=C BOND; NANOTUBES; GRAPHENE; PERFORMANCE;
D O I
10.1007/s12274-016-1195-6
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
The development of novel, simple, and convenient techniques for the fabrication of porous carbon materials with desirable properties, such as tunable pore structures and the presence of nitrogen functionalities, from renewable and abundant biomasses is required. We herein describe an in situ directing method for the preparation of a nitrogen-doped flower-like porous carbon (NFPC) employing arbitrarily shaped MgO from bio-derived glucosamine chloride (GAH). Experimental evidence demonstrated that the structure directing effect of the Mg(OH)(2) nanosheets formed in situ from MgO hydrolysis was key to this process, with the original MgO morphology being irrelevant. Furthermore, this method was applicable for a wide variety of biomass-derived carbon precursors. The resulting NFPC exhibited a high nitrogen content of aecurrency sign9 wt.%, and was employed as a support to anchor small Ru nanoparticles (average size = 2.7 nm). The resulting Ru/NFPC was highly active in heterogeneous hydrogenations of toluene and benzoic acid, which demonstrated the advantages of nitrogen doping in terms of boosting catalytic performance.
引用
收藏
页码:3129 / 3140
页数:12
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