Citation: . 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. doi: 10.1016/S1872-2067(14)60273-4 shu

Multiple Au cores in CeO₂ hollow spheres for the superior catalytic reduction of p-nitrophenol

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a Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China;

Corresponding author: , , , , , , , , , ,
Received Date: 14 November 2014
Available Online: 15 December 2014
Fund Project: 国家重点基础研究发展计划(2014CB931801, 唐智勇) (2014CB931801, 唐智勇) 多相复杂系统国家重点实验室(MPCS-2014-A-04, 齐健). (MPCS-2014-A-04, 齐健)

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 transfor-mations. 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 nano-particles 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.
- Multiple Au core,
- CeO₂ hollow sphere,
- p-Nitrophenol,
- Catalytic reduction
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沈阳化工大学材料科学与工程学院沈阳 110142

Multiple Au cores in CeO2 hollow spheres for the superior catalytic reduction of p-nitrophenol

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通讯作者: 陈斌, bchen63@163.com

Multiple Au cores in CeO₂ hollow spheres for the superior catalytic reduction of p-nitrophenol