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Ultrathin covalent organic overlayers on metal nanocrystals for highly selective plasmonic photocatalysis

Author

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  • Anubhab Acharya

    (Pohang University of Science and Technology (POSTECH)
    Pohang University of Science and Technology (POSTECH))

  • Trimbak Baliram Mete

    (Pohang University of Science and Technology (POSTECH)
    Pohang University of Science and Technology (POSTECH))

  • Nitee Kumari

    (Pohang University of Science and Technology (POSTECH)
    Pohang University of Science and Technology (POSTECH))

  • Youngkwan Yoon

    (Pohang University of Science and Technology (POSTECH))

  • Hayoung Jeong

    (Pohang University of Science and Technology (POSTECH))

  • Taehyung Jang

    (Gwangju Institute of Science and Technology (GIST))

  • Byeongju Song

    (Pohang University of Science and Technology (POSTECH))

  • Hee Cheul Choi

    (Pohang University of Science and Technology (POSTECH))

  • Jeong Woo Han

    (Pohang University of Science and Technology (POSTECH))

  • Yoonsoo Pang

    (Gwangju Institute of Science and Technology (GIST))

  • Yongju Yun

    (Pohang University of Science and Technology (POSTECH))

  • Amit Kumar

    (Pohang University of Science and Technology (POSTECH)
    Pohang University of Science and Technology (POSTECH))

  • In Su Lee

    (Pohang University of Science and Technology (POSTECH)
    Pohang University of Science and Technology (POSTECH)
    Yonsei University)

Abstract

Metal nanoparticle-organic interfaces are common but remain elusive for controlling reactions due to the complex interactions of randomly formed ligand-layers. This paper presents an approach for enhancing the selectivity of catalytic reactions by constructing a skin-like few-nanometre ultrathin crystalline porous covalent organic overlayer on a plasmonic nanoparticle surface. This organic overlayer features a highly ordered layout of pore openings that facilitates molecule entry without any surface poisoning effects and simultaneously endows favourable electronic effects to control molecular adsorption–desorption. Conformal organic overlayers are synthesised through the plasmonic oxidative activation and intermolecular covalent crosslinking of molecular units. We develop a light-operated multicomponent interfaced plasmonic catalytic platform comprising Pd-modified gold nanoparticles inside hollow silica to achieve the highly efficient and selective semihydrogenation of alkynes. This approach demonstrates a way to control molecular adsorption behaviours on metal surfaces, breaking the linear scaling relationship and simultaneously enhancing activity and selectivity.

Suggested Citation

  • Anubhab Acharya & Trimbak Baliram Mete & Nitee Kumari & Youngkwan Yoon & Hayoung Jeong & Taehyung Jang & Byeongju Song & Hee Cheul Choi & Jeong Woo Han & Yoonsoo Pang & Yongju Yun & Amit Kumar & In Su, 2023. "Ultrathin covalent organic overlayers on metal nanocrystals for highly selective plasmonic photocatalysis," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43482-x
    DOI: 10.1038/s41467-023-43482-x
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    References listed on IDEAS

    as
    1. Simon H. Pang & Carolyn A. Schoenbaum & Daniel K. Schwartz & J. Will Medlin, 2013. "Directing reaction pathways by catalyst active-site selection using self-assembled monolayers," Nature Communications, Nature, vol. 4(1), pages 1-6, December.
    2. Yang Yang & Xiaojuan Zhu & Lili Wang & Junyu Lang & Guohua Yao & Tian Qin & Zhouhong Ren & Liwei Chen & Xi Liu & Wei Li & Ying Wan, 2022. "Breaking scaling relationships in alkynol semi-hydrogenation by manipulating interstitial atoms in Pd with d-electron gain," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    3. Kunlong Liu & Lizhi Jiang & Wugen Huang & Guozhen Zhu & Yue-Jiao Zhang & Chaofa Xu & Ruixuan Qin & Pengxin Liu & Chengyi Hu & Jingjuan Wang & Jian-Feng Li & Fan Yang & Gang Fu & Nanfeng Zheng, 2022. "Atomic overlayer of permeable microporous cuprous oxide on palladium promotes hydrogenation catalysis," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
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