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Zhang K, Dou X, Hou H, Zhou Z, Lopez-Haro M, Meira DM, Liu P, He P, Liu L. Generation of Subnanometer Metal Clusters in Silicoaluminate Zeolites as Bifunctional Catalysts. JACS Au 2023; 3:3213-3226. [PMID: 38034962 PMCID: PMC10685439 DOI: 10.1021/jacsau.3c00548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 12/02/2023]
Abstract
Zeolite-encapsulated subnanometer metal catalysts are an emerging class of solid catalysts with superior performances in comparison to metal catalysts supported on open-structure solid carriers. Currently, there is no general synthesis methodology for the encapsulation of subnanometer metal catalysts in different zeolite structures. In this work, we will show a general synthesis method for the encapsulation of subnanometer metal clusters (Pt, Pd, and Rh) within various silicoaluminate zeolites with different topologies (MFI, CHA, TON, MOR). The successful generation of subnanometer metal species in silicoaluminate zeolites relies on the introduction of Sn, which can suppress the migration of subnanometer metal species during high-temperature oxidation-reduction treatments according to advanced electron microscopy and spectroscopy characterizations. The advantage of encapsulated subnanometer Pt catalysts in silicoaluminate zeolites is reflected in the direct coupling of ethane and benzene for production of ethylbenzene, in which the Pt and the acid sites work in a synergistic way.
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Affiliation(s)
- Kun Zhang
- State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaomeng Dou
- Department
of Chemistry, Tsinghua University, Beijing 100084, China
| | - Huaming Hou
- National
Energy Center for Coal to Clean Fuels, Synfuels
China Technology Co., Ltd., Beijing 101407, China
| | - Ziyu Zhou
- State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Miguel Lopez-Haro
- Departamento
de Ciencia de los Materiales e Ingeniería Metalúrgica
y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, Cádiz 11519, Spain
| | - Debora M. Meira
- CLS@APS
sector
20, Advanced Photon Source, Argonne National
Laboratory, 9700 S. Cass
Avenue, Argonne, Illinois 60439, United States
- Canadian
Light Source Inc., 44 Innovation Boulevard, Saskatoon, Saskatchewan S7N 2V3, Canada
| | - Ping Liu
- State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - Peng He
- State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National
Energy Center for Coal to Clean Fuels, Synfuels
China Technology Co., Ltd., Beijing 101407, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Lichen Liu
- Department
of Chemistry, Tsinghua University, Beijing 100084, China
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