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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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Photoelectrochemical Water Splitting with p-Type Metal Oxide Semiconductor Photocathodes

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Title
Photoelectrochemical Water Splitting with p-Type Metal Oxide Semiconductor Photocathodes
Author
Jang, Youn JeongLee, Jae Sung
Issue Date
2019-05
Publisher
WILEY-V C H VERLAG GMBH
Citation
CHEMSUSCHEM, v.12, no.9, pp.1835 - 1845
Abstract
Photoelectrochemical (PEC) water splitting is a promising way to produce clean and sustainable hydrogen fuel. Solar hydrogen production by using p-type metal oxide semiconductor photocathodes has not been studied as extensively as that with n-type metal oxide semiconductor photoanodes and p-type photovoltaic-grade non-oxide semiconductor photocathodes. Copper-based oxide photocathodes show relatively good conductivity, but suffer from instability in aqueous solution under illumination, whereas iron-based metal oxide photocathodes demonstrate more stable PEC performance but have problems in charge separation and transport. Herein, an overview of recent progress in p-type metal oxide-based photocathodes for PEC water reduction is provided. Although these materials have not been fully developed to reach their potential performance, the challenges involved have been identified and strategies to overcome these limitations have been proposed. Future research in this field should address these issues and challenges in addition to the discovery of new materials.
URI
https://scholarworks.unist.ac.kr/handle/201301/27036
URL
https://onlinelibrary.wiley.com/doi/full/10.1002/cssc.201802596
DOI
10.1002/cssc.201802596
ISSN
1864-5631
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