Knowledge Management System Of Institute of process engineering,CAS
| Single-atom Sn-Zn pairs in CuO catalyst promote dimethyldichlorosilane synthesis | |
| Shi, Qi1,2; Ji, Yongjun2,3; Chen, Wenxin4; Zhu, Yongxia2; Li, Jing2; Liu, Hezhi2; Li, Zhi5; Tian, Shubo5; Wang, Ligen1; Zhong, Ziyi6,7; Wang, Limin1; Ma, Jianmin8; Li, Yadong5; Su, Fabing2,3,9 | |
| 2020-03-01 | |
| Source Publication | NATIONAL SCIENCE REVIEW
 |
| ISSN | 2095-5138 |
| Volume | 7Issue:3Pages:600-608 |
| Abstract | Single-atom catalysts are of great interest because they can maximize the atom-utilization efficiency and generate unique catalytic properties; however, much attention has been paid to single-site active components, rarely to catalyst promoters. Promoters can significantly affect the activity and selectivity of a catalyst, even at their low concentrations in catalysts. In this work, we designed and synthesized CuO catalysts with atomically dispersed co-promoters of Sn and Zn. When used as the catalyst in the Rochow reaction for the synthesis of dimethyldichlorosilane, this catalyst exhibited much-enhanced activity, selectivity and stability compared with the conventional CuO catalysts with promoters in the form of nanoparticles. Density functional theory calculations demonstrate that single-atomic Sn substitution in the CuO surface can enrich surface Cu vacancies and promote dispersion of Zn to its atomic levels. Sn and Zn single sites as the co-promoters cooperatively generate electronic interaction with the CuO support, which further facilitates the adsorption of the reactant molecules on the surface, thereby leading to the superior catalytic performance. |
| Keyword | dual single-atom promoters CuO catalyst dimethyldichlorosilane synthesis Rochow reaction catalytic performance |
| DOI | 10.1093/nsr/nwz196 |
| Language | 英语 |
| WOS Keyword | TOTAL-ENERGY CALCULATIONS ; WATER-GAS SHIFT ; CO OXIDATION ; METHYLCHLOROSILANES ; REDUCTION ; MECHANISM ; KINETICS ; IMPACT ; CERIA |
| Funding Project | National Natural Science Foundation of China[21878301] ; National Natural Science Foundation of China[21978299] ; State Key Laboratory of Multiphase Complex Systems[MPCS-2017-A-01] |
| WOS Research Area | Science & Technology - Other Topics |
| WOS Subject | Multidisciplinary Sciences |
| Funding Organization | National Natural Science Foundation of China ; State Key Laboratory of Multiphase Complex Systems |
| WOS ID | WOS:000537425800016 |
| Publisher | OXFORD UNIV PRESS |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ipe.ac.cn/handle/122111/40970 |
| Collection | 中国科学院过程工程研究所 |
| Corresponding Author | Ji, Yongjun; Wang, Ligen; Wang, Limin; Su, Fabing |
| Affiliation | 1.Gripm Adv Mat Co Ltd, Beijing 101407, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 3.Zhongke Langfang Inst Proc Engn, Langfang 065001, Peoples R China 4.Beijing Inst Technol, Sch Mat Sci & Engn, Beijing Key Lab Construct Tailorable Adv Funct Ma, Beijing 100081, Peoples R China 5.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China 6.Guangdong Technion Israel Inst Technol GTIIT, Coll Engn, Shantou 515063, Peoples R China 7.Technion Israel Inst Technol IIT, IL-32000 Haifa, Israel 8.Hunan Univ, Sch Phys & Elect, Changsha 410082, Peoples R China 9.Shenyang Univ Chem Technol, Inst Ind Chem & Energy Technol, Shenyang 110142, Peoples R China |
| Recommended Citation GB/T 7714 | Shi, Qi,Ji, Yongjun,Chen, Wenxin,et al. Single-atom Sn-Zn pairs in CuO catalyst promote dimethyldichlorosilane synthesis[J]. NATIONAL SCIENCE REVIEW,2020,7(3):600-608. |
| APA | Shi, Qi.,Ji, Yongjun.,Chen, Wenxin.,Zhu, Yongxia.,Li, Jing.,...&Su, Fabing.(2020).Single-atom Sn-Zn pairs in CuO catalyst promote dimethyldichlorosilane synthesis.NATIONAL SCIENCE REVIEW,7(3),600-608. |
| MLA | Shi, Qi,et al."Single-atom Sn-Zn pairs in CuO catalyst promote dimethyldichlorosilane synthesis".NATIONAL SCIENCE REVIEW 7.3(2020):600-608. |
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