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Reshaping CuO on silica to generate a highly active Cu/SiO2 catalyst
Hou, XN (Hou, Xiaoning); Qing, SJ (Qing, Shaojun); Liu, YJ (Liu, Yajie); Xi, HJ (Xi, Hongjuan); Wang, TF (Wang, Tianfu); Wang, X (Wang, Xiang); Gao, ZX (Gao, Zhixian)
2016
发表期刊CATALYSIS SCIENCE & TECHNOLOGY
卷号6期号:16页码:6311-6319
摘要Reduction-oxidation treatment [RO] of an impregnated CuO/SiO2 catalyst has been found to be effective in re-dispersing CuO particles on the support. During the process, CuO was actually reshaped within a confined area on silica, forming an annular morphology consisting of highly dispersed nano CuO particles. The reshaping might happen during the oxidation process following the reduction step, while no redispersion could be observed by applying the oxidation step alone. After activation with H-2, the RO treated samples demonstrated improved catalytic activity for methanol decomposition. These findings clearly indicate that the "shape" of CuO can be memorized during the activation process, resulting in the formation of a specific Cu metal and thus demonstrating different catalytic activities. Such a memory effect correlates the catalytic performance with the characterization data of CuO directly, which has the potential to provide a convenient approach for further catalyst development.
DOI10.1039/c6cy00770h
收录类别SCI
WOS记录号WOS:000381439400016
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4694
专题环境科学与技术研究室
作者单位1.Chinese Acad Sci, Inst Coal Chem, Taiyuan 030001, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys Chem, Urumqi 830011, Peoples R China
3.Nanchang Univ, Inst Appl Chem, Dept Chem, Nanchang 330031, Peoples R China
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Hou, XN ,Qing, SJ ,Liu, YJ ,et al. Reshaping CuO on silica to generate a highly active Cu/SiO2 catalyst[J]. CATALYSIS SCIENCE & TECHNOLOGY,2016,6(16):6311-6319.
APA Hou, XN .,Qing, SJ .,Liu, YJ .,Xi, HJ .,Wang, TF .,...&Gao, ZX .(2016).Reshaping CuO on silica to generate a highly active Cu/SiO2 catalyst.CATALYSIS SCIENCE & TECHNOLOGY,6(16),6311-6319.
MLA Hou, XN ,et al."Reshaping CuO on silica to generate a highly active Cu/SiO2 catalyst".CATALYSIS SCIENCE & TECHNOLOGY 6.16(2016):6311-6319.
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