Insights on advanced substrates for controllable fabrication of photoanodes toward efficient and stable photoelectrochemical water splitting

Huilin Hou, Gang Shao, Yang Wang, Wai Yeung Wong (Corresponding Author), Weiyou Yang (Corresponding Author)

Research output: Journal article publicationReview articleAcademic researchpeer-review

33 Citations (Scopus)

Abstract

Conversion of solar energy into H2 by photoelectrochemical (PEC) water splitting is recognized as an ideal way to address the growing energy crisis and environmental issues. In a typical PEC cell, the construction of photoanodes is crucial to guarantee the high efficiency and stability of PEC reactions, which fundamentally rely on rationally designed semiconductors (as the active materials) and substrates (as the current collectors). In this review work, we start with a brief introduction of the roles of substrates in the PEC process. Then, we provide a systematic overview of representative strategies for the controlled fabrication of photoanodes on rationally designed substrates, including conductive glass, metal, sapphire, silicon, silicon carbide, and flexible substrates. Finally, some prospects concerning the challenges and research directions in this area are proposed.

Original languageEnglish
Article numbere373
JournalCarbon Energy
Volume6
Issue number4
DOIs
Publication statusPublished - 30 May 2023

Keywords

  • hydrogen
  • photoanode
  • photoelectrochemical
  • substrates
  • water splitting

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science (miscellaneous)
  • Energy (miscellaneous)
  • Materials Chemistry

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