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Nano Research 2021, 14(5): 1287-1293 https://doi.org/10.1007/s12274-020-3138-5
Research Article | Issue | Published: 05 January 2021

Isolated atomic catalysts encapsulated in MOF for ultrafast water pollutant treatment

Show Author's Information Shuailong Guo1,§,  Hao Yuan1,§,  Wei Luo3,  Xiaoqing Liu4,  Xiantao Zhang3,  Haoqing Jiang1,2( ),  Feng Liu1,3( ),  Gary J. Cheng2( )
The Institute of Technological Sciences, Wuhan University, Wuhan 430072, China
Birck Nanotechnology Centre, School of Industrial Engineering, Purdue University, West Lafayette, IN 47906, USA
School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China
Center for materials research and analysis, Wuhan University of Technology, Wuhan 430072, China
Keywords:
metal-organic framework, porous, atomic catalysts, reduction of 4-nitrophenol
Topics:
MetalsOrganic frameworks OrganometallicsPrecious metals
An erratum to this article is available online at https://doi.org/10.1007/s12274-021-3371-6
Cite this article:
Guo S, Yuan H, Luo W, et al. Isolated atomic catalysts encapsulated in MOF for ultrafast water pollutant treatment. Nano Research, 2021, 14(5): 1287-1293. https://doi.org/10.1007/s12274-020-3138-5
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Abstract Full text Electronic supplementary material About this article

Atomic noble metals stand as one of the most advanced catalysts because of their unique properties and interaction with the reactants. However, due to their high activity, noble atomic catalysts tend to aggregate and deactivate in practical application. Moreover, supports aimed to disperse these atomic catalysts often suffer from weak confinement and poor porosity, thus limited the catalytic efficiency of noble atoms. Here, we report the facile encapsulation of atomic noble catalyst in cheap cerous metal-organic framework (Ce-MOF) crystals to create a robust catalyst that could deliver high catalytic performance for the reduction of 4-nitrophenol without decay in long-term cycling test. Specifically, Au atoms encapsulated in Ce-MOF exhibited ultrahigh turnover frequency (TOF) of 131 min-1 for the reduction of 4-nitrophenol in minutes, consuming only 10% precious metals compared with state-of-the-art catalysts operated under same condition.


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Electronic supplementary material
About this article

Isolated atomic catalysts encapsulated in MOF for ultrafast water pollutant treatment

Show Author's information Shuailong Guo1,§, Hao Yuan1,§, Wei Luo3, Xiaoqing Liu4, Xiantao Zhang3, Haoqing Jiang1,2( ), Feng Liu1,3( ), Gary J. Cheng2( )
The Institute of Technological Sciences, Wuhan University, Wuhan 430072, China
Birck Nanotechnology Centre, School of Industrial Engineering, Purdue University, West Lafayette, IN 47906, USA
School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China
Center for materials research and analysis, Wuhan University of Technology, Wuhan 430072, China

Abstract

Atomic noble metals stand as one of the most advanced catalysts because of their unique properties and interaction with the reactants. However, due to their high activity, noble atomic catalysts tend to aggregate and deactivate in practical application. Moreover, supports aimed to disperse these atomic catalysts often suffer from weak confinement and poor porosity, thus limited the catalytic efficiency of noble atoms. Here, we report the facile encapsulation of atomic noble catalyst in cheap cerous metal-organic framework (Ce-MOF) crystals to create a robust catalyst that could deliver high catalytic performance for the reduction of 4-nitrophenol without decay in long-term cycling test. Specifically, Au atoms encapsulated in Ce-MOF exhibited ultrahigh turnover frequency (TOF) of 131 min-1 for the reduction of 4-nitrophenol in minutes, consuming only 10% precious metals compared with state-of-the-art catalysts operated under same condition.

Keywords: metal-organic framework, porous, atomic catalysts, reduction of 4-nitrophenol

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Publication history
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Acknowledgements

Publication history

Received: 21 July 2020
Revised: 22 September 2020
Accepted: 22 September 2020
Published: 05 January 2021
Issue date: May 2021

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature

Acknowledgements

S. Guo and H. Yuan contribute equally to this study. We thank the supports from National key R&D program of China (No. 2018YFB1107700) and National Natural Science Foundation of China (No. 51906180).

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