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Partially charged single-atom Ru supported on ZrO2 nanocrystals for highly efficient ethylene hydrosilylation with triethoxysilane

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Abstract

Homogeneous noble metal catalysts used in alkene hydrosilylation reactions to manufacture organosilicon compounds commercially often suffer from difficulties in catalyst recovering and recycling, undesired disproportionation reactions, and energy-intensive purification of products. Herein, we report a heterogeneous 0.5Ruδ+/ZrO2 catalyst with partially charged single-atom Ru (0.5 wt.% Ru) supported on commercial ZrO2 nanocrystals synthesized by the simple impregnation method followed by H2 reduction. When used in the ethylene hydrosilylation with triethoxysilane to produce the desired ethyltriethoxysilane, 0.5Ruδ+/ZrO2 showed excellent catalytic performance with the maximum Ru atom utilization and good recyclability, even superior to homogeneous catalyst (RuCl3·H2O). Structural characterizations and density functional theory calculations reveal the atomic dispersion of the active Ru species and their unique electronic properties distinct from the homogeneous catalyst. The reaction route over this catalyst is supposed to follow the typical Chalk—Harrod mechanism. This highly efficient and supported single-atom Ru catalyst has the potential to replace the current homogeneous catalyst for a greener hydrosilylation industry.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (No. 22002004). Y. J. thanks the financial supports from the Outstanding Youth Cultivation Program of Beijing Technology and Business University (No. 19008021144), and Research Foundation for Advanced Talents of Beijing Technology and Business University (No. 19008020159). Z. Z. thanks the financial support of Guangdong Key discipline fund for this collaboration.

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Author notes

  1. Mingyan Li, Shu Zhao, and Jing Li contributed equally to this work.

Authors and Affiliations

  1. Key Laboratory of Resources Chemicals and Materials (Shenyang University of Chemical Technology), Ministry of Education, Shenyang, 110142, China

    Mingyan Li, Dingrong Bai & Guangwen Xu

  2. State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China

    Mingyan Li, Jing Li & Fabing Su

  3. Faculty of Materials and Manufacturing, Institute of Advanced Battery Materials and Devices, Beijing University of Technology, Beijing, 100124, China

    Shu Zhao & Haijun Yu

  4. Department of Chemical Engineering, Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Tsinghua University, Beijing, 100084, China

    Xiao Chen

  5. School of Light Industry, Beijing Technology and Business University, Beijing, 100048, China

    Yongjun Ji

  6. Institute of Industrial Chemistry and Energy Technology, Shenyang University of Chemical Technology, Shenyang, 110142, China

    Dingrong Bai, Guangwen Xu & Fabing Su

  7. Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology (GTIIT), Shantou, 515063, China

    Ziyi Zhong

  8. Technion-Israel Institute of Technology (IIT), Haifa, 32000, Israel

    Ziyi Zhong

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  1. Mingyan Li
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Correspondence to Yongjun Ji, Guangwen Xu or Fabing Su.

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Partially charged single-atom Ru supported on ZrO2 nanocrystals for highly efficient ethylene hydrosilylation with triethoxysilane

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Li, M., Zhao, S., Li, J. et al. Partially charged single-atom Ru supported on ZrO2 nanocrystals for highly efficient ethylene hydrosilylation with triethoxysilane. Nano Res. 15, 5857–5864 (2022). https://doi.org/10.1007/s12274-022-4227-4

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