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Spatial separation of photogenerated electrons and holes among {010} and {110} crystal facets of BiVO4

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  • Rengui Li

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy
    Graduate University of Chinese Academy of Sciences)

  • Fuxiang Zhang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy)

  • Donge Wang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy)

  • Jingxiu Yang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy
    Graduate University of Chinese Academy of Sciences)

  • Mingrun Li

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy)

  • Jian Zhu

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy
    Graduate University of Chinese Academy of Sciences)

  • Xin Zhou

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy)

  • Hongxian Han

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy)

  • Can Li

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy)

Abstract

Charge separation is crucial for increasing the activity of semiconductor-based photocatalysts, especially in water splitting reactions. Here we show, using monoclinic bismuth vanadate crystal as a model photocatalyst, that efficient charge separation can be achieved on different crystal facets, as evidenced by the reduction reaction with photogenerated electrons and oxidation reaction with photogenerated holes, which take place separately on the {010} and {110} facets under photo-irradiation. Based on this finding, the reduction and oxidation cocatalysts are selectively deposited on the {010} and {110} facets respectively, resulting in much higher activity in both photocatalytic and photoelectrocatalytic water oxidation reactions, compared with the photocatalyst with randomly distributed cocatalysts. These results show that the photogenrated electrons and holes can be separated between the different facets of semiconductor crystals. This finding may be useful in semiconductor physics and chemistry to construct highly efficient solar energy conversion systems.

Suggested Citation

  • Rengui Li & Fuxiang Zhang & Donge Wang & Jingxiu Yang & Mingrun Li & Jian Zhu & Xin Zhou & Hongxian Han & Can Li, 2013. "Spatial separation of photogenerated electrons and holes among {010} and {110} crystal facets of BiVO4," Nature Communications, Nature, vol. 4(1), pages 1-7, June.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2401
    DOI: 10.1038/ncomms2401
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    Cited by:

    1. V. P. Singh & Mirgender Kumar & Moolchand Sharma & Deepika Mishra & Kwang-Su Seong & Si-Hyun Park & Rahul Vaish, 2021. "Synthesis of BiF 3 and BiF 3 -Added Plaster of Paris Composites for Photocatalytic Applications," Energies, MDPI, vol. 14(16), pages 1-14, August.
    2. Camilo A. Mesa & Michael Sachs & Ernest Pastor & Nicolas Gauriot & Alice J. Merryweather & Miguel A. Gomez-Gonzalez & Konstantin Ignatyev & Sixto Giménez & Akshay Rao & James R. Durrant & Raj Pandya, 2024. "Correlating activities and defects in (photo)electrocatalysts using in-situ multi-modal microscopic imaging," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    3. Pavlos Psathas & Maria Solakidou & Asterios Mantzanis & Yiannis Deligiannakis, 2021. "Flame Spray Pyrolysis Engineering of Nanosized Mullite-Bi 2 Fe 4 O 9 and Perovskite-BiFeO 3 as Highly Efficient Photocatalysts for O 2 Production from H 2 O Splitting," Energies, MDPI, vol. 14(17), pages 1-16, August.
    4. Tamboli, Mohaseen S. & Patil, Santosh S. & Lee, Dong-Kyu & Praveen, C.S. & Tamboli, Asiya M. & Sim, Uk & Lee, Kiyoung & Gu, Geun Ho & Park, Chinho, 2024. "Dynamic role of dopant and graphene on BiVO4 photoanode for enhanced photoelectrochemical hydrogen production," Energy, Elsevier, vol. 298(C).
    5. Guangri Jia & Fusai Sun & Tao Zhou & Ying Wang & Xiaoqiang Cui & Zhengxiao Guo & Fengtao Fan & Jimmy C. Yu, 2024. "Charge redistribution of a spatially differentiated ferroelectric Bi4Ti3O12 single crystal for photocatalytic overall water splitting," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    6. Zhishan Luo & Xiaoyuan Ye & Shijia Zhang & Sikang Xue & Can Yang & Yidong Hou & Wandong Xing & Rong Yu & Jie Sun & Zhiyang Yu & Xinchen Wang, 2022. "Unveiling the charge transfer dynamics steered by built-in electric fields in BiOBr photocatalysts," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    7. Tian Liu & Zhenhua Pan & Junie Jhon M. Vequizo & Kosaku Kato & Binbin Wu & Akira Yamakata & Kenji Katayama & Baoliang Chen & Chiheng Chu & Kazunari Domen, 2022. "Overall photosynthesis of H2O2 by an inorganic semiconductor," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    8. Fang Li & Xiaoyang Yue & Yulong Liao & Liang Qiao & Kangle Lv & Quanjun Xiang, 2023. "Understanding the unique S-scheme charge migration in triazine/heptazine crystalline carbon nitride homojunction," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    9. Chunzhi Li & Jiali Liu & He Li & Kaifeng Wu & Junhui Wang & Qihua Yang, 2022. "Covalent organic frameworks with high quantum efficiency in sacrificial photocatalytic hydrogen evolution," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    10. Chao Zhen & Xiangtao Chen & Ruotian Chen & Fengtao Fan & Xiaoxiang Xu & Yuyang Kang & Jingdong Guo & Lianzhou Wang & Gao Qing (Max) Lu & Kazunari Domen & Hui-Ming Cheng & Gang Liu, 2024. "Liquid metal-embraced photoactive films for artificial photosynthesis," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    11. Tian Liu & Zhenhua Pan & Kosaku Kato & Junie Jhon M. Vequizo & Rito Yanagi & Xiaoshan Zheng & Weilai Yu & Akira Yamakata & Baoliang Chen & Shu Hu & Kenji Katayama & Chiheng Chu, 2022. "A general interfacial-energetics-tuning strategy for enhanced artificial photosynthesis," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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