Facet engineering of semiconductors for boosting photo-charge separation in solar fuel production

Tian Liu, Lu Liu, Zhi-Yan Guo, Dong-Feng Liu*, Liang-Liang Jiang*, Kim Meow Liew, Wen-Wei Li*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

3 Citations (Scopus)
19 Downloads (CityUHK Scholars)

Abstract

Photocatalysis promises green production of chemicals by using the inexhaustible solar energy, but the low photocatalytic activity of most semiconductors due to charge recombination remains a key barrier to their application. Recently, facet engineering of single semiconductor particles has emerged as an effective strategy to precisely tune the energetic structure, thereby lowering the charge recombination and enhance solar fuel production. Multiple approaches for facet engineering have been developed to construct efficient photocatalysts. In this review, the fundamental principles and the common facet-engineering approaches for improving the photo-charge separation and solar fuel production of semiconductors are summarized, focusing on how the various faceted particles modification strategies tune the inbuilt electric field and reaction kinetics. Additionally, the challenges and future trends in development of facet-engineered photocatalysts were discussed. © 2024 The Authors
Original languageEnglish
Article number100110
JournalEnergy Reviews
Volume4
Issue number1
Online published15 Aug 2024
DOIs
Publication statusPublished - Mar 2025

Research Keywords

  • Artificial photosynthesis
  • Dual-cocatalyst
  • Energetic tuning
  • Faceted semiconductor
  • Spatial charge separation

Publisher's Copyright Statement

  • This full text is made available under CC-BY-NC-ND 4.0. https://creativecommons.org/licenses/by-nc-nd/4.0/

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