One-dimensional Cu-based catalysts with layered Cu-Cu2O-CuO walls for the Rochow reaction
文献类型:期刊论文
作者 | Li, Jing1,2; Zhang, Zailei1; Ji, Yongjun1; Jin, Zheying1; Zou, Shanying1; Zhong, Ziyi3; Su, Fabing1 |
刊名 | NANO RESEARCH
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出版日期 | 2016-05-01 |
卷号 | 9期号:5页码:1377-1392 |
关键词 | controlled oxidation nanowires core-shell structure nanotubes copper-based catalysts Rochow reaction |
ISSN号 | 1998-0124 |
英文摘要 | A series of copper catalysts with a core-shell or tubular structure containing various contents of Cu, Cu2O, and CuO were prepared via controlled oxidation of Cu nanowires (NWs) and used in the synthesis of dimethyldichlorosilane (M2) via the Rochow reaction. The Cu NWs were prepared from copper (II) nitrate using a solution-based reduction method. The samples were characterized by X-ray diffraction, thermogravimetric analysis, temperature-programmed reduction, X-ray photoelectron spectroscopy, transmission electron microscopy, and scanning electron microscopy. It was found that the morphology and composition of the catalysts could be tailored by varying the oxidation temperature and time. During the gradual oxidation of Cu NWs, the oxidation reaction initiated on the outer surface and gradually developed into the bulk of the NWs, leading to the formation of catalysts with various structures and layered compositions, e.g., Cu NWs with surface Cu2O, ternary Cu-Cu2O-CuO core-shell NWs, binary Cu2O-CuO nanotubes (NTs), and single CuO NTs. Among these catalysts, ternary Cu-Cu2O-CuO core-shell NWs exhibited superior M2 selectivity and Si conversion in the Rochow reaction. The enhanced catalytic performance was mainly attributed to improved mass and heat transfer resulting from the peculiar heterostructure and the synergistic effect among layered components. Our work indicated that the catalytic property of Cu-based nanoparticles can be improved by carefully controlling their structures and compositions. |
WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
类目[WOS] | Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied |
研究领域[WOS] | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
关键词[WOS] | SHAPE-CONTROLLED SYNTHESIS ; COPPER-BASED CATALYSTS ; FACILE SYNTHESIS ; DIMETHYLDICHLOROSILANE SYNTHESIS ; SCALE SYNTHESIS ; ION BATTERIES ; THIN-FILMS ; NANOWIRES ; METHYLCHLOROSILANES ; NANOSTRUCTURES |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000375624400015 |
源URL | [http://ir.ipe.ac.cn/handle/122111/21066] ![]() |
专题 | 过程工程研究所_多相复杂系统国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637459, Singapore |
推荐引用方式 GB/T 7714 | Li, Jing,Zhang, Zailei,Ji, Yongjun,et al. One-dimensional Cu-based catalysts with layered Cu-Cu2O-CuO walls for the Rochow reaction[J]. NANO RESEARCH,2016,9(5):1377-1392. |
APA | Li, Jing.,Zhang, Zailei.,Ji, Yongjun.,Jin, Zheying.,Zou, Shanying.,...&Su, Fabing.(2016).One-dimensional Cu-based catalysts with layered Cu-Cu2O-CuO walls for the Rochow reaction.NANO RESEARCH,9(5),1377-1392. |
MLA | Li, Jing,et al."One-dimensional Cu-based catalysts with layered Cu-Cu2O-CuO walls for the Rochow reaction".NANO RESEARCH 9.5(2016):1377-1392. |
入库方式: OAI收割
来源:过程工程研究所
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