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Research Article | Online first | Published: 12 April 2024

Boosting propane dehydrogenation of defective S-1 stabilized single-atom Pt and ZnO catalysts via coordination environment regulation

Show Author's Information Fuwen Yang1,  Jie Zhang1( ),  Jinwei Chen1,2,  Gang Wang1,  Tong Yu1,  Qian Li1,  Zongbo Shi3,  Qiushi Sun3,  Runsheng Zhuo1,3,  Ruilin Wang1,2( )
College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China
Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Sichuan University, Chengdu 610065, China
REZEL Catalysts Corporation, Shanghai 200120, China
Keywords:
coordination environment, defect engineering, propane dehydrogenation, single platinum atom, propylene
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Catalysis Catalyst activityCatalystsEnergy utilizationGas industryNanocatalystsPetrochemicals
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Yang F, Zhang J, Chen J, et al. Boosting propane dehydrogenation of defective S-1 stabilized single-atom Pt and ZnO catalysts via coordination environment regulation. Nano Research, 2024, https://doi.org/10.1007/s12274-024-6574-9
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Abstract Full text Electronic supplementary material About this article

Pt single atoms catalysts with precise coordination environment and high stability are expected to achieve high performance of propane dehydrogenation (PDH). In this work, an innovative synthetic strategy is proposed to construct the S-1@0.1Pt9Zn@DPS-1 nanocomposite as a highly efficient PDH catalyst. Defect engineering is applied to induce the formation of defective porous silicalite-1 (DPS-1), which is favorable for achieving the uniformly distributed ZnO nanoclusters. The ZnO nanoclusters were further served as anchoring sites to stabilize the isolated Pt atoms. The structural characterization revealed that penta-O coordinated Pt single atom coupled with ZnO nanoclusters decorated on the DPS-1. Moreover, the atomically dispersed Pt atoms with the ideal coordination environment could act as the predominant active sites for PDH process. As expected, the optimal S-1@0.1Pt9Zn@DPS-1 catalyst delivered an excellent PDH performance (propane conversion of 40.7%, propylene selectivity of 97.5%) and good cycling regeneration stability. This work provides a new way for improving the activity and stability of catalysts in the field of industrial catalysts.


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About this article

Boosting propane dehydrogenation of defective S-1 stabilized single-atom Pt and ZnO catalysts via coordination environment regulation

Show Author's information Fuwen Yang1, Jie Zhang1( ), Jinwei Chen1,2, Gang Wang1, Tong Yu1, Qian Li1, Zongbo Shi3, Qiushi Sun3, Runsheng Zhuo1,3, Ruilin Wang1,2( )
College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China
Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Sichuan University, Chengdu 610065, China
REZEL Catalysts Corporation, Shanghai 200120, China

Abstract

Pt single atoms catalysts with precise coordination environment and high stability are expected to achieve high performance of propane dehydrogenation (PDH). In this work, an innovative synthetic strategy is proposed to construct the S-1@0.1Pt9Zn@DPS-1 nanocomposite as a highly efficient PDH catalyst. Defect engineering is applied to induce the formation of defective porous silicalite-1 (DPS-1), which is favorable for achieving the uniformly distributed ZnO nanoclusters. The ZnO nanoclusters were further served as anchoring sites to stabilize the isolated Pt atoms. The structural characterization revealed that penta-O coordinated Pt single atom coupled with ZnO nanoclusters decorated on the DPS-1. Moreover, the atomically dispersed Pt atoms with the ideal coordination environment could act as the predominant active sites for PDH process. As expected, the optimal S-1@0.1Pt9Zn@DPS-1 catalyst delivered an excellent PDH performance (propane conversion of 40.7%, propylene selectivity of 97.5%) and good cycling regeneration stability. This work provides a new way for improving the activity and stability of catalysts in the field of industrial catalysts.

Keywords: coordination environment, defect engineering, propane dehydrogenation, single platinum atom, propylene

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Publication history
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Acknowledgements

Publication history

Received: 30 November 2023
Revised: 18 February 2024
Accepted: 19 February 2024
Published: 12 April 2024

Copyright

© Tsinghua University Press 2024

Acknowledgements

Acknowledgements

This work was supported by Sichuan Science and Technology Program (Nos. 2020YFH0176 and 2020SZYZF0002), the Fundamental Research Funds for the Central Universities (No. 20826041E4280), and the Sichuan International and the Scientific and technological innovation cooperation project (No. 2022YFH0039). We thank the Analytical & Testing Center of Sichuan University for the TEM and XPS measurements. The authors also would like to thank Dr. Wenwu Wang and Xiaoshan Zhang from Central Lab of College of Materials Science and Engineering at Sichuan University for the XRD and TGA measurement.

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