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Quantum-Dot-Sensitized TiO2 Inverse Opals for Photoelectrochemical Hydrogen Generation

Authors

  • Chuanwei Cheng,

    1. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore, Singapore
    2. Shanghai Key Laboratory of Special Artificial Microstructure, Materials and Technology, Department of Physics, Tongji University, Shanghai 200092, P.R. China
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Siva Krishna Karuturi,

    1. School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Lijun Liu,

    1. School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore
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  • Jinping Liu,

    1. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore, Singapore
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  • Hongxing Li,

    1. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore, Singapore
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  • Liap Tat Su,

    1. School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore
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  • Alfred Iing Yoong Tok,

    Corresponding author
    1. School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore
    • Alfred Iing Yoong Tok, School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore

      Hong Jin Fan, Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore, Singapore.

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  • Hong Jin Fan

    Corresponding author
    1. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore, Singapore
    • Alfred Iing Yoong Tok, School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore

      Hong Jin Fan, Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore, Singapore.

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Abstract

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A new nanoarchitecture photoelectrode design comprising CdS quantum-dot-sensitized, optically and electrically active TiO2 inverse opals is developed for photoelectrochemical water splitting. The photoelectrochemical performance shows high photocurrent density (4.84 mA cm−2 at 0 V vs. Ag/AgCl) under simulated solar-light illumination.

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