| Few-Atom Pt Ensembles Enable Efficient Catalytic Cyclohexane Dehydrogenation for Hydrogen Production | |
| Deng, Yuchen1; Guo, Yu1; Jia, Zhimin2,3; Liu, Jin-Cheng4,5; Guo, Jinqiu6,7; Cai, Xiangbin8,9; Dong, Chunyang1; Wang, Meng1; Li, Chengyu1; Diao, Jiangyong3; Jiang, Zheng10; Xie, Jinglin1; Wang, Ning8,9; Xiao, Hai4,5; Xu, Bingjun1; Zhang, Hongbo6,7; Liu, Hongyang2,3; Li, Jun4,5,11; Ma, Ding1 | |
| Corresponding Author | Liu, Hongyang(liuhy@imr.ac.cn) ; Li, Jun(junli@mail.tsinghua.edu.cn) ; Ma, Ding(dma@pku.edu.cn) |
| 2022-03-02 | |
| Source Publication | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
 |
| ISSN | 0002-7863 |
| Volume | 144Issue:8Pages:3535-3542 |
| Abstract | Identification of catalytic active sites is pivotal in the design of highly effective heterogeneous metal catalysts, especially for structure-sensitive reactions. Downsizing the dimension of the metal species on the catalyst increases the dispersion, which is maximized when the metal exists as single atoms, namely, single-atom catalysts (SACs). SACs have been reported to be efficient for various catalytic reactions. We show here that the Pt SACs, although with the highest metal atom utilization efficiency, are totally inactive in the cyclohexane (C6H12) dehydrogenation reaction, an important reaction that could enable efficient hydrogen transportation. Instead, catalysts enriched with fully exposed few-atom Pt ensembles, with a Pt-Pt coordination number of around 2, achieve the optimal catalytic performance. The superior performance of a fully exposed few-atom ensemble catalyst is attributed to its high d-band center, multiple neighboring metal sites, and weak binding of the product. |
| DOI | 10.1021/jacs.1c12261 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Research Area | Chemistry |
| WOS Subject | Chemistry, Multidisciplinary |
| WOS ID | WOS:000773646200025 |
| Publisher | AMER CHEMICAL SOC |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/173075 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Liu, Hongyang; Li, Jun; Ma, Ding |
| Affiliation | 1.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 4.Tsinghua Univ, Dept Chem, Minist Educ, Beijing 100084, Peoples R China 5.Tsinghua Univ, Key Lab Organ Optoelect & Mol Engn, Minist Educ, Beijing 100084, Peoples R China 6.Nankai Univ, Sch Mat Sci & Engn, Tianjin Key Lab Rare Earth Mat & Applicat, Tianjin 300350, Peoples R China 7.Nankai Univ, Natl Inst Adv Mat, Tianjin 300350, Peoples R China 8.Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Clear Water Bay, Hong Kong, Peoples R China 9.Hong Kong Univ Sci & Technol, Ctr Quantum Mat, Kowloon, Clear Water Bay, Hong Kong, Peoples R China 10.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China 11.Southern Univ Sci & Technol, Dept Chem, Shenzhen 518055, Peoples R China |
| Recommended Citation GB/T 7714 | Deng, Yuchen,Guo, Yu,Jia, Zhimin,et al. Few-Atom Pt Ensembles Enable Efficient Catalytic Cyclohexane Dehydrogenation for Hydrogen Production[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2022,144(8):3535-3542. |
| APA | Deng, Yuchen.,Guo, Yu.,Jia, Zhimin.,Liu, Jin-Cheng.,Guo, Jinqiu.,...&Ma, Ding.(2022).Few-Atom Pt Ensembles Enable Efficient Catalytic Cyclohexane Dehydrogenation for Hydrogen Production.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,144(8),3535-3542. |
| MLA | Deng, Yuchen,et al."Few-Atom Pt Ensembles Enable Efficient Catalytic Cyclohexane Dehydrogenation for Hydrogen Production".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 144.8(2022):3535-3542. |
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