Bipolar charge collecting structure enables overall water splitting on ferroelectric photocatalysts.

Liu, Yong; Zhang, Mingjian; Wang, Zhuan; He, Jiandong; Zhang, Jie; Ye, Sheng; Wang, Xiuli; Li, Dongfeng; Yin, Heng; Zhu, Qianhong; Jing, Huanwang; Weng, Yuxiang; Pan, Feng; Chen, Ruotian; Li, Can; Fan, Fengtao

Liu, Yong; Zhang, Mingjian; Wang, Zhuan; He, Jiandong; Zhang, Jie; Ye, Sheng; Wang, Xiuli; Li, Dongfeng; Yin, Heng; Zhu, Qianhong; Jing, Huanwang; Weng, Yuxiang; Pan, Feng; Chen, Ruotian; Li, Can; Fan, Fengtao.

Afiliación

Liu Y; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Zhang M; School of Advanced Materials, Peking University, Shenzhen Graduate School, Shenzhen, 518055, China.
Wang Z; The Laboratory of Soft Matter Physics, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics Chinese Academy of Science, Beijing, 100190, China.
He J; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Zhang J; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Ye S; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Wang X; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Li D; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Yin H; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Zhu Q; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Jing H; State Key Laboratory of Applied Organic Chemistry, Advanced Catalysis Center, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China.
Weng Y; The Laboratory of Soft Matter Physics, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics Chinese Academy of Science, Beijing, 100190, China.
Pan F; School of Advanced Materials, Peking University, Shenzhen Graduate School, Shenzhen, 518055, China.
Chen R; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Li C; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
Fan F; State Key Laboratory of Applied Organic Chemistry, Advanced Catalysis Center, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China.

Nat Commun ; 13(1): 4245, 2022 Jul 22.

Article en En | MEDLINE | ID: mdl-35869136

RESUMEN

Ferroelectrics are considered excellent photocatalytic candidates for solar fuel production because of the unidirectional charge separation and above-gap photovoltage. Nevertheless, the performance of ferroelectric photocatalysts is often moderate. A few studies showed that these types of photocatalysts could achieve overall water splitting. This paper proposes an approach to fabricating interfacial charge-collecting nanostructures on positive and negative domains of ferroelectric, enabling water splitting in ferroelectric photocatalysts. The present study observes efficient accumulations of photogenerated electrons and holes within their thermalization length (~50 nm) around Au nanoparticles located in the positive and negative domains of a BaTiO3 single crystal. Photocatalytic overall water splitting is observed on a ferroelectric BaTiO3 single crystal after assembling oxidation and reduction cocatalysts on the positively and negatively charged Au nanoparticles, respectively. The fabrication of bipolar charge-collecting structures on ferroelectrics to achieve overall water splitting offers a way to utilize the energetic photogenerated charges in solar energy conversion.

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2022 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido

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