Interfacial oxygen vacancies yielding long-lived holes in hematite mesocrystal-based photoanodes

Zhujun Zhang; Izuru Karimata; Hiroki Nagashima; Shunsuke Muto; Koji Ohara; Kunihisa Sugimoto; Takashi Tachikawa

doi:10.1038/s41467-019-12581-z

Nature Communications (Oct 2019)

Interfacial oxygen vacancies yielding long-lived holes in hematite mesocrystal-based photoanodes

Zhujun Zhang,
Izuru Karimata,
Hiroki Nagashima,
Shunsuke Muto,
Koji Ohara,
Kunihisa Sugimoto,
Takashi Tachikawa

Affiliations

Zhujun Zhang: Department of Chemistry, Graduate School of Science, Kobe University
Izuru Karimata: Department of Chemistry, Graduate School of Science, Kobe University
Hiroki Nagashima: Molecular Photoscience Research Center, Kobe University
Shunsuke Muto: Electron Nanoscopy Section, Advanced Measurement Technology Center, Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho
Koji Ohara: Diffraction and Scattering Division, Center for Synchrotron Radiation, Japan Synchrotron Radiation Research Institute
Kunihisa Sugimoto: Department of Chemistry, Graduate School of Science, Kobe University
Takashi Tachikawa: Department of Chemistry, Graduate School of Science, Kobe University

DOI: https://doi.org/10.1038/s41467-019-12581-z
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 12

Abstract

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The performance of hematite (α-Fe2O3) photoanodes is limited by fast charge recombination. Here, authors develop hematite mesocrystal-based photoanodes with abundant interfacial oxygen vacancies for highly efficient solar water splitting under back illumination.

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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