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Hydrogen spillover through Matryoshka-type (ZIFs@)n−1ZIFs nanocubes

Author

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  • Guowu Zhan

    (National University of Singapore
    Cambridge Centre for Advanced Research in Energy Efficiency in Singapore)

  • Hua Chun Zeng

    (National University of Singapore
    Cambridge Centre for Advanced Research in Energy Efficiency in Singapore)

Abstract

Hydrogen spillover phenomenon is well-documented in hydrogenation catalysis but still highly disputed in hydrogen storage. Until now, the existence of hydrogen spillover through metal–organic frameworks (MOFs) remains a topic of ongoing debate and how far the split hydrogen atoms diffuse in such materials is unknown. Herein we provide experimental evidence of the occurrence of hydrogen spillover in microporous MOFs at elevated temperatures, and the penetration depths of atomic hydrogen were measured quantitatively. We have made Matryoshka-type (ZIFs@)n−1ZIFs (where ZIFs = ZIF-8 or ZIF-67) nanocubes, together with Pt nanoparticles loaded on their external surfaces to produce atomic hydrogen. Within the (ZIFs@)n−1ZIFs, the ZIF-8 shell served as a ruler to measure the travelling distance of H atoms while the ZIF-67 core as a terminator of H atoms. In addition to the hydrogenolysis at normal pressure, CO2 hydrogenation can also trace the migration of H atoms over the ZIF-8 at high pressure.

Suggested Citation

  • Guowu Zhan & Hua Chun Zeng, 2018. "Hydrogen spillover through Matryoshka-type (ZIFs@)n−1ZIFs nanocubes," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06269-z
    DOI: 10.1038/s41467-018-06269-z
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    Cited by:

    1. Qiaoxi Liu & Wenjie Xu & Hao Huang & Hongwei Shou & Jingxiang Low & Yitao Dai & Wanbing Gong & Youyou Li & Delong Duan & Wenqing Zhang & Yawen Jiang & Guikai Zhang & Dengfeng Cao & Kecheng Wei & Ran L, 2024. "Spectroscopic visualization of reversible hydrogen spillover between palladium and metal–organic frameworks toward catalytic semihydrogenation," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Xiao-Jue Bai & Caoyu Yang & Zhiyong Tang, 2024. "Enabling long-distance hydrogen spillover in nonreducible metal-organic frameworks for catalytic reaction," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. Shenghui Zhou & Wenrui Ma & Uzma Anjum & Mohammadreza Kosari & Shibo Xi & Sergey M. Kozlov & Hua Chun Zeng, 2023. "Strained few-layer MoS2 with atomic copper and selectively exposed in-plane sulfur vacancies for CO2 hydrogenation to methanol," Nature Communications, Nature, vol. 14(1), pages 1-15, December.
    4. Zhida Gu & Mengke Li & Cheng Chen & Xinglong Zhang & Chengyang Luo & Yutao Yin & Ruifa Su & Suoying Zhang & Yu Shen & Yu Fu & Weina Zhang & Fengwei Huo, 2023. "Water-assisted hydrogen spillover in Pt nanoparticle-based metal–organic framework composites," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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