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All-in-one visible-light-driven water splitting by combining nanoparticulate and molecular co-catalysts on CdS nanorods

Author

Listed:
  • Christian M. Wolff

    (Ludwig-Maximilians-Universität
    Nanosystems Initiative Munich (NIM)
    University of Potsdam, Institute of Physics and Astronomy)

  • Peter D. Frischmann

    (Universität Würzburg
    Sepion Technologies)

  • Marcus Schulze

    (Universität Würzburg)

  • Bernhard J. Bohn

    (Ludwig-Maximilians-Universität
    Nanosystems Initiative Munich (NIM))

  • Robin Wein

    (Ludwig-Maximilians-Universität
    Nanosystems Initiative Munich (NIM))

  • Panajotis Livadas

    (Ludwig-Maximilians-Universität
    Nanosystems Initiative Munich (NIM))

  • Michael T. Carlson

    (Ludwig-Maximilians-Universität
    Nanosystems Initiative Munich (NIM))

  • Frank Jäckel

    (Ludwig-Maximilians-Universität
    Nanosystems Initiative Munich (NIM)
    University of Liverpool)

  • Jochen Feldmann

    (Ludwig-Maximilians-Universität
    Nanosystems Initiative Munich (NIM))

  • Frank Würthner

    (Universität Würzburg)

  • Jacek K. Stolarczyk

    (Ludwig-Maximilians-Universität
    Nanosystems Initiative Munich (NIM))

Abstract

Full water splitting into hydrogen and oxygen on semiconductor nanocrystals is a challenging task; overpotentials must be overcome for both half-reactions and different catalytic sites are needed to facilitate them. Additionally, efficient charge separation and prevention of back reactions are necessary. Here, we report simultaneous H2 and O2 evolution by CdS nanorods decorated with nanoparticulate reduction and molecular oxidation co-catalysts. The process proceeds entirely without sacrificial agents and relies on the nanorod morphology of CdS to spatially separate the reduction and oxidation sites. Hydrogen is generated on Pt nanoparticles grown at the nanorod tips, while Ru(tpy)(bpy)Cl2-based oxidation catalysts are anchored through dithiocarbamate bonds onto the sides of the nanorod. O2 generation from water was verified by 18O isotope labelling experiments, and time-resolved spectroscopic results confirmed efficient charge separation and ultrafast electron and hole transfer to the reaction sites. The system demonstrates that combining nanoparticulate and molecular catalysts on anisotropic nanocrystals provides an effective pathway for visible-light-driven photocatalytic water splitting.

Suggested Citation

  • Christian M. Wolff & Peter D. Frischmann & Marcus Schulze & Bernhard J. Bohn & Robin Wein & Panajotis Livadas & Michael T. Carlson & Frank Jäckel & Jochen Feldmann & Frank Würthner & Jacek K. Stolarcz, 2018. "All-in-one visible-light-driven water splitting by combining nanoparticulate and molecular co-catalysts on CdS nanorods," Nature Energy, Nature, vol. 3(10), pages 862-869, October.
    • Handle: RePEc:nat:natene:v:3:y:2018:i:10:d:10.1038_s41560-018-0229-6
    DOI: 10.1038/s41560-018-0229-6
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    Cited by:

    1. Choon, S.L. & Lim, H.N. & Ibrahim, I. & Zainal, Z. & Tan, K.B. & Foo, C.Y. & Ng, C.H., 2023. "New potential materials in advancement of photovoltaic and optoelectronic applications: Metal halide perovskite nanorods," Renewable and Sustainable Energy Reviews, Elsevier, vol. 171(C).
    2. Jingrun Ran & Hongping Zhang & Sijia Fu & Mietek Jaroniec & Jieqiong Shan & Bingquan Xia & Yang Qu & Jiangtao Qu & Shuangming Chen & Li Song & Julie M. Cairney & Liqiang Jing & Shi-Zhang Qiao, 2022. "NiPS3 ultrathin nanosheets as versatile platform advancing highly active photocatalytic H2 production," Nature Communications, Nature, vol. 13(1), pages 1-17, December.
    3. Xu Xin & Youzi Zhang & Ruiling Wang & Yijin Wang & Peng Guo & Xuanhua Li, 2023. "Hydrovoltaic effect-enhanced photocatalysis by polyacrylic acid/cobaltous oxide–nitrogen doped carbon system for efficient photocatalytic water splitting," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    4. Li Zhai & Sara T. Gebre & Bo Chen & Dan Xu & Junze Chen & Zijian Li & Yawei Liu & Hua Yang & Chongyi Ling & Yiyao Ge & Wei Zhai & Changsheng Chen & Lu Ma & Qinghua Zhang & Xuefei Li & Yujie Yan & Xiny, 2023. "Epitaxial growth of highly symmetrical branched noble metal-semiconductor heterostructures with efficient plasmon-induced hot-electron transfer," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    5. Dong Liu & Tao Ding & Lifeng Wang & Huijuan Zhang & Li Xu & Beibei Pang & Xiaokang Liu & Huijuan Wang & Junhui Wang & Kaifeng Wu & Tao Yao, 2023. "In situ constructing atomic interface in ruthenium-based amorphous hybrid-structure towards solar hydrogen evolution," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    6. Guo, Liejin & Chen, Yubin & Su, Jinzhan & Liu, Maochang & Liu, Ya, 2019. "Obstacles of solar-powered photocatalytic water splitting for hydrogen production: A perspective from energy flow and mass flow," Energy, Elsevier, vol. 172(C), pages 1079-1086.
    7. Lei Luo & Lei Fu & Huifen Liu & Youxun Xu & Jialiang Xing & Chun-Ran Chang & Dong-Yuan Yang & Junwang Tang, 2022. "Synergy of Pd atoms and oxygen vacancies on In2O3 for methane conversion under visible light," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    8. Mohamed Hammad Elsayed & Mohamed Abdellah & Ahmed Zaki Alhakemy & Islam M. A. Mekhemer & Ahmed Esmail A. Aboubakr & Bo-Han Chen & Amr Sabbah & Kun-Han Lin & Wen-Sheng Chiu & Sheng-Jie Lin & Che-Yi Chu, 2024. "Overcoming small-bandgap charge recombination in visible and NIR-light-driven hydrogen evolution by engineering the polymer photocatalyst structure," Nature Communications, Nature, vol. 15(1), pages 1-13, December.

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