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题名: Magnetically recoverable hierarchical Pt/Fe2O3 microflower: Superior catalytic activity and stability for reduction of 4-nitrophenol
作者: Zhang, Peng1;  Yang, Xiaoyan2;  Peng, Hailong1;  Liu, Dan1;  Lu, Hui3;  Wei, Junfu1;  Gui, Jianzhou1
关键词: Magnetically recovery ;  Supported Pt catalyst ;  Hierarchical structure ;  Fe2O3 microflowers ;  Nitrophenol reduction
刊名: CATALYSIS COMMUNICATIONS
发表日期: 2017-09-01
DOI: 10.1016/j.catcom.2017.06.047
卷: 100, 页:214-218
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Due to the excessive cost and scarcity of Pt metal, it is very vital to enhance the utilization efficiency and recovery yield of Pt-based catalysts. Herein, we employ a facile and simple approach to synthesize the hierarchical gamma-Fe2O3 microflowers supported Pt, which is assembled from gamma-Fe2O3 nanosheets as building blocks. Further analysis demonstrated that well-dispersed Pt nanoparticles with average size of 1.5 nm are uniformly supported on the gamma-Fe2O3 nanosheets and the hierarchical structure provides a large surface area and abundant macropores and mesopores. The resultant Pt/Fe2O3 microflowers show superior catalytic performance for the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP), including high conversion and excellent recycling durability. Furthermore, the unique magnetically separable property of the Pt/Fe2O3 microflowers makes their recovery easy after reaction using an external magnet, which not only saves the cost and time but also tremendously increases the recovery yield of catalyst Consequently, the magnetically recoverable Pt/Fe2O3 catalyst with the facile synthesized strategy, good catalytic performance and high utilization efficiency would be well expected as a potential candidate for practical utilization.
关键词[WOS]: FACILE SYNTHESIS ;  CHEMOSELECTIVE HYDROGENATION ;  FUNCTIONALIZED NITROARENES ;  RECYCLABLE CATALYST ;  SINGLE-ATOM ;  NANOPARTICLES ;  PERFORMANCE ;  CARBON ;  GRAPHENE ;  OXIDATION
语种: 英语
WOS记录号: WOS:000407982700046
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149829
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Tianjin Polytech Univ, State Key Lab Separat Membranes & Membrane Proc, Sch Environm & Chem Engn, Tianjin 300387, Peoples R China
2.Shangqiu Normal Univ, Sch Chem & Chem Engn, Shangqiu 476000, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Peng,Yang, Xiaoyan,Peng, Hailong,et al. Magnetically recoverable hierarchical Pt/Fe2O3 microflower: Superior catalytic activity and stability for reduction of 4-nitrophenol[J]. CATALYSIS COMMUNICATIONS,2017,100:214-218.
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