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Carbon-doped SnS2 nanostructure as a high-efficiency solar fuel catalyst under visible light

Author

Listed:
  • Indrajit Shown

    (Institute of Atomic and Molecular Sciences, Academia Sinica)

  • Satyanarayana Samireddi

    (Institute of Atomic and Molecular Sciences, Academia Sinica
    National Taiwan University)

  • Yu-Chung Chang

    (National Taiwan University
    National Taiwan University of Science and Technology)

  • Raghunath Putikam

    (National Chiao Tung University)

  • Po-Han Chang

    (National Taiwan University)

  • Amr Sabbah

    (Institute of Atomic and Molecular Sciences, Academia Sinica)

  • Fang-Yu Fu

    (National Taiwan University
    National Taiwan University)

  • Wei-Fu Chen

    (National Taiwan University)

  • Chih-I Wu

    (National Taiwan University)

  • Tsyr-Yan Yu

    (Institute of Atomic and Molecular Sciences, Academia Sinica)

  • Po-Wen Chung

    (Institute of Chemistry, Academia Sinica)

  • M. C. Lin

    (National Chiao Tung University)

  • Li-Chyong Chen

    (National Taiwan University)

  • Kuei-Hsien Chen

    (Institute of Atomic and Molecular Sciences, Academia Sinica
    National Taiwan University)

Abstract

Photocatalytic formation of hydrocarbons using solar energy via artificial photosynthesis is a highly desirable renewable-energy source for replacing conventional fossil fuels. Using an l-cysteine-based hydrothermal process, here we synthesize a carbon-doped SnS2 (SnS2-C) metal dichalcogenide nanostructure, which exhibits a highly active and selective photocatalytic conversion of CO2 to hydrocarbons under visible-light. The interstitial carbon doping induced microstrain in the SnS2 lattice, resulting in different photophysical properties as compared with undoped SnS2. This SnS2-C photocatalyst significantly enhances the CO2 reduction activity under visible light, attaining a photochemical quantum efficiency of above 0.7%. The SnS2-C photocatalyst represents an important contribution towards high quantum efficiency artificial photosynthesis based on gas phase photocatalytic CO2 reduction under visible light, where the in situ carbon-doped SnS2 nanostructure improves the stability and the light harvesting and charge separation efficiency, and significantly enhances the photocatalytic activity.

Suggested Citation

  • Indrajit Shown & Satyanarayana Samireddi & Yu-Chung Chang & Raghunath Putikam & Po-Han Chang & Amr Sabbah & Fang-Yu Fu & Wei-Fu Chen & Chih-I Wu & Tsyr-Yan Yu & Po-Wen Chung & M. C. Lin & Li-Chyong Ch, 2018. "Carbon-doped SnS2 nanostructure as a high-efficiency solar fuel catalyst under visible light," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-017-02547-4
    DOI: 10.1038/s41467-017-02547-4
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    Cited by:

    1. Mohammad Qorbani & Amr Sabbah & Ying-Ren Lai & Septia Kholimatussadiah & Shaham Quadir & Chih-Yang Huang & Indrajit Shown & Yi-Fan Huang & Michitoshi Hayashi & Kuei-Hsien Chen & Li-Chyong Chen, 2022. "Atomistic insights into highly active reconstructed edges of monolayer 2H-WSe2 photocatalyst," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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