Lattice distortion induced internal electric field in TiO2 photoelectrode for efficient charge separation and transfer

Yuxiang Hu; Yuanyuan Pan; Zhiliang Wang; Tongen Lin; Yuying Gao; Bin Luo; Han Hu; Fengtao Fan; Gang Liu; Lianzhou Wang

doi:10.1038/s41467-020-15993-4

Nature Communications (May 2020)

Lattice distortion induced internal electric field in TiO2 photoelectrode for efficient charge separation and transfer

Yuxiang Hu,
Yuanyuan Pan,
Zhiliang Wang,
Tongen Lin,
Yuying Gao,
Bin Luo,
Han Hu,
Fengtao Fan,
Gang Liu,
Lianzhou Wang

Affiliations

Yuxiang Hu: Nanomaterials Centre, Australian Institute for Bioengineering and Nanotechnology, and School of Chemical Engineering, The University of Queensland
Yuanyuan Pan: State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China)
Zhiliang Wang: Nanomaterials Centre, Australian Institute for Bioengineering and Nanotechnology, and School of Chemical Engineering, The University of Queensland
Tongen Lin: Nanomaterials Centre, Australian Institute for Bioengineering and Nanotechnology, and School of Chemical Engineering, The University of Queensland
Yuying Gao: State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, The Collaborative Innovation Centre of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Bin Luo: Nanomaterials Centre, Australian Institute for Bioengineering and Nanotechnology, and School of Chemical Engineering, The University of Queensland
Han Hu: State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China)
Fengtao Fan: State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, The Collaborative Innovation Centre of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Gang Liu: Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences
Lianzhou Wang: Nanomaterials Centre, Australian Institute for Bioengineering and Nanotechnology, and School of Chemical Engineering, The University of Queensland

DOI: https://doi.org/10.1038/s41467-020-15993-4
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 10

Abstract

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The driving force for charge transfer in photoelectrochemical systems is typically derived from band bending at a surface-electrolyte interface. In this work, battery-type lithiation of TiO2 generates a built-in electric field in the bulk material, giving a 750% enhancement in photocurrent density.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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