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NIR-II emissive anionic copper nanoclusters with intrinsic photoredox activity in single-electron transfer

Author

Listed:
  • Li-Juan Liu

    (The University of Hong Kong
    Chemistry and Chemical Engineering of Guangdong Laboratory)

  • Mao-Mao Zhang

    (The University of Hong Kong)

  • Ziqi Deng

    (The University of Hong Kong)

  • Liang-Liang Yan

    (The University of Hong Kong
    The University of Hong Kong
    The University of Hong Kong)

  • Yang Lin

    (The University of Hong Kong)

  • David Lee Phillips

    (The University of Hong Kong)

  • Vivian Wing-Wah Yam

    (The University of Hong Kong
    The University of Hong Kong
    The University of Hong Kong)

  • Jian He

    (The University of Hong Kong
    The University of Hong Kong
    Materials Innovation Institute for Life Sciences and Energy (MILES), HKU-SIRI)

Abstract

Ultrasmall copper nanoclusters have recently emerged as promising photocatalysts for organic synthesis, owing to their exceptional light absorption ability and large surface areas for efficient interactions with substrates. Despite significant advances in cluster-based visible-light photocatalysis, the types of organic transformations that copper nanoclusters can catalyze remain limited to date. Herein, we report a structurally well-defined anionic Cu40 nanocluster that emits in the second near-infrared region (NIR-II, 1000−1700 nm) after photoexcitation and can conduct single-electron transfer with fluoroalkyl iodides without the need for external ligand activation. This photoredox-active copper nanocluster efficiently catalyzes the three-component radical couplings of alkenes, fluoroalkyl iodides, and trimethylsilyl cyanide under blue-LED irradiation at room temperature. A variety of fluorine-containing electrophiles and a cyanide nucleophile can be added onto an array of alkenes, including styrenes and aliphatic olefins. Our current work demonstrates the viability of using readily accessible metal nanoclusters to establish photocatalytic systems with a high degree of practicality and reaction complexity.

Suggested Citation

  • Li-Juan Liu & Mao-Mao Zhang & Ziqi Deng & Liang-Liang Yan & Yang Lin & David Lee Phillips & Vivian Wing-Wah Yam & Jian He, 2024. "NIR-II emissive anionic copper nanoclusters with intrinsic photoredox activity in single-electron transfer," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-49081-8
    DOI: 10.1038/s41467-024-49081-8
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    References listed on IDEAS

    as
    1. Caiyou Chen & Jonas C. Peters & Gregory C. Fu, 2021. "Photoinduced copper-catalysed asymmetric amidation via ligand cooperativity," Nature, Nature, vol. 596(7871), pages 250-256, August.
    2. Li-Juan Liu & Fahri Alkan & Shengli Zhuang & Dongyi Liu & Tehseen Nawaz & Jun Guo & Xiaozhou Luo & Jian He, 2023. "Atomically precise gold nanoclusters at the molecular-to-metallic transition with intrinsic chirality from surface layers," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
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    Cited by:

    1. Chunyang Dong & Yinghao Wang & Ziqi Deng & Wenchao Wang & Maya Marinova & Karima Tayeb & Jean-Charles Morin & Melanie Dubois & Martine Trentesaux & Yury G. Kolyagin & My Nghe Tran & Vlad Martin-Diacon, 2024. "Photocatalytic dihydroxylation of light olefins to glycols by water," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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