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Full Solution-Processed Synthesis of All Metal Oxide-Based Tree-like Heterostructures on Fluorine-Doped Tin Oxide for Water Splitting

Authors

  • Zongyou Yin,

    1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
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  • Zheng Wang,

    1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
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  • Yaping Du,

    1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
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  • Xiaoying Qi,

    1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
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  • Yizhong Huang,

    1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
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  • Can Xue,

    1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
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  • Hua Zhang

    Corresponding author
    1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
    • School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore.

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Abstract

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Well-ordered tree-like functional heterostructures, composed of the environmentally friendly oxides ZnO, TiO2, and CuO, on a fluorine-doped tin oxide substrate are realized by a practical, cost-effective, solution-processable strategy. The heterostructures are demonstrated to be an efficient light-harvesting medium in a photo-electrochemical cell to split water for hydrogen-gas generation, and the developed strategy provides a highly promising, cheap, green way to fabricate multifunctional hierarchically branched structures for many potential applications.

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