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Efficient Water Splitting via a Heteroepitaxial BiVO4 Photoelectrode Decorated with Co-Pi Catalysts

Authors

  • Min Zhou,

    1. Division of Nanomaterials and Nanochemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (PR China), Fax: (+86) 551-3606266
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  • Jian Bao,

    1. Division of Nanomaterials and Nanochemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (PR China), Fax: (+86) 551-3606266
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  • Wentuan Bi,

    1. Division of Nanomaterials and Nanochemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (PR China), Fax: (+86) 551-3606266
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  • Yongquan Zeng,

    1. Division of Nanomaterials and Nanochemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (PR China), Fax: (+86) 551-3606266
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  • Rui Zhu,

    1. Division of Nanomaterials and Nanochemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (PR China), Fax: (+86) 551-3606266
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  • Minshan Tao,

    1. Division of Nanomaterials and Nanochemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (PR China), Fax: (+86) 551-3606266
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  • Prof. Yi Xie

    Corresponding author
    1. Division of Nanomaterials and Nanochemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (PR China), Fax: (+86) 551-3606266
    • Division of Nanomaterials and Nanochemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (PR China), Fax: (+86) 551-3606266
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Abstract

original image

Co-Pi cat: The surface of a BiVO4 film obtained by heteroepitaxy, displaying a morphology akin to interconnected walls, is decorated with Co-Pi catalysts in order to obtain an efficient water-splitting catalyst. Qualitative analysis confirms an increased efficiency of photon use, attributable to the suppression of both bulk and surface recombination owing to the combined effects of heteroepitaxy and surface modification, respectively.

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