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Multiple Au cores in CeO2 hollow spheres for the superior catalytic reduction of p-nitrophenol
Zhao, Kun1,2; Qi, Jian2,3; Zhao, Shenlong2; Tang, Hongjie3; Yin, Huajie2; Zong, Lingbo1; Chang, Lin2; Gao, Yan2; Yu, Ranbo1; Tang, Zhiyong2

In many catalytic systems the structure of the catalyst plays a crucial role in the reaction especially for catalytic reduction, organic pollutant oxidation and other organic transformations. Herein, we report a template-free approach to the synthesis of multiple Au cores in CeO2 hollow spheres (MACCHS). This material was fabricated by impregnating CeO2 hollow spheres with a HAuCl4 aqueous solution. NaBH4 was then used to reduce HAuCl4 to Au nanoparticles to form multiple Au cores in the CeO2 hollow spheres. We used MACCHS as a catalyst for p-nitrophenol reduction and achieved excellent activity. The catalyst showed enhanced stability toward p-nitrophenol reduction compared with bare Au nanoparticles and CeO2 hollow spheres. This simple method to achieve multi-core-in-shell hollow structures will likely have applications in various biological, medical and energy related fields. (C) 2015, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

KeywordMultiple Au Core Ceo2 Hollow Sphere P-nitrophenol Catalytic Reduction
Subject AreaChemistry ; Engineering
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
WOS KeywordCo Oxidation ; Gold Nanoparticles ; Heterogeneous Catalysis ; Shell Nanostructures ; Photocatalysts ; Nanocomposite ; Microspheres ; Nanospheres ; At-zro2 ; System
Funding ProjectNational Basic Research Program of China [2014CB931801] ; National Natural Science Foundation of China [51272047, 20973047, 91027011, 51072020, 21271021] ; Foundation for State Key Laboratory of Multiphase Complex Systems [MPCS-2014-A-04]
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000351029200001
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Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorTang, Zhiyong
Affiliation1.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Dept Phys Chem, Beijing 100083, Peoples R China
2.Natl Ctr Nanosci & Technol, Lab Nanosyst & Hierarchy Fabricat, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Kun,Qi, Jian,Zhao, Shenlong,et al. Multiple Au cores in CeO2 hollow spheres for the superior catalytic reduction of p-nitrophenol[J]. CHINESE JOURNAL OF CATALYSIS,2015,36(3):261-267.
APA Zhao, Kun.,Qi, Jian.,Zhao, Shenlong.,Tang, Hongjie.,Yin, Huajie.,...&Tang, Zhiyong.(2015).Multiple Au cores in CeO2 hollow spheres for the superior catalytic reduction of p-nitrophenol.CHINESE JOURNAL OF CATALYSIS,36(3),261-267.
MLA Zhao, Kun,et al."Multiple Au cores in CeO2 hollow spheres for the superior catalytic reduction of p-nitrophenol".CHINESE JOURNAL OF CATALYSIS 36.3(2015):261-267.
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