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Dual-mode harvest solar energy for photothermal Cu2-xSe biomineralization and seawater desalination by biotic-abiotic hybrid

Author

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  • Sheng-Lan Gong

    (University of Science and Technology of China
    University of Science and Technology of China)

  • YangChao Tian

    (University of Science and Technology of China)

  • Guo-Ping Sheng

    (University of Science and Technology of China)

  • Li-Jiao Tian

    (University of Science and Technology of China)

Abstract

Biotic-abiotic hybrid photocatalytic system is an innovative strategy to capture solar energy. Diversifying solar energy conversion products and balancing photoelectron generation and transduction are critical to unravel the potential of hybrid photocatalysis. Here, we harvest solar energy in a dual mode for Cu2-xSe nanoparticles biomineralization and seawater desalination by integrating the merits of Shewanella oneidensis MR-1 and biogenic nanoparticles. Photoelectrons generated by extracellular Se0 nanoparticles power Cu2-xSe synthesis through two pathways that either cross the outer membrane to activate periplasmic Cu(II) reduction or are directly delivered into the extracellular space for Cu(I) evolution. Meanwhile, photoelectrons drive periplasmic Cu(II) reduction by reversing MtrABC complexes in S. oneidensis. Moreover, the unique photothermal feature of the as-prepared Cu2-xSe nanoparticles, the natural hydrophilicity, and the linking properties of bacterium offer a convenient way to tailor photothermal membranes for solar water production. This study provides a paradigm for balancing the source and sink of photoelectrons and diversifying solar energy conversion products in biotic-abiotic hybrid platforms.

Suggested Citation

  • Sheng-Lan Gong & YangChao Tian & Guo-Ping Sheng & Li-Jiao Tian, 2024. "Dual-mode harvest solar energy for photothermal Cu2-xSe biomineralization and seawater desalination by biotic-abiotic hybrid," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-48660-z
    DOI: 10.1038/s41467-024-48660-z
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    References listed on IDEAS

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    1. Jie Ye & Chao Wang & Chao Gao & Tao Fu & Chaohui Yang & Guoping Ren & Jian Lü & Shungui Zhou & Yujie Xiong, 2022. "Solar-driven methanogenesis with ultrahigh selectivity by turning down H2 production at biotic-abiotic interface," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Yang-Yang Yu & Yan-Zhai Wang & Zhen Fang & Yu-Tong Shi & Qian-Wen Cheng & Yu-Xuan Chen & Weidong Shi & Yang-Chun Yong, 2020. "Single cell electron collectors for highly efficient wiring-up electronic abiotic/biotic interfaces," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
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