Photoelectrochemical water splitting at semiconductor electrodes: fundamental problems and new perspectives

Laurence M. Peter, K. G. Upul Wijayantha

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101 Citations (Scopus)

Abstract

Some fundamental aspects of light-driven water splitting at semiconductor electrodes are reviewed along with recent experimental and theoretical progress. The roles of thermodynamics and kinetics in defining criteria for successful water-splitting systems are examined. An overview of recent research is given that places emphasis on new electrode materials, theoretical advances and the development of semi-quantitative experimental methods to study the dynamics of light-driven water-splitting reactions. Key areas are identified that will need particular attention as the search continues for stable, efficient and cost-effective light-driven photoelectrolysis systems that exploit electron/hole separation in semiconductor/electrolyte junctions.

Original languageEnglish
Pages (from-to)1983-1995
Number of pages13
JournalChemPhysChem
Volume15
Issue number10
DOIs
Publication statusPublished - 21 Jul 2014

Keywords

  • artificial photosynthesis
  • photoelectrochemistry
  • semiconductors
  • solar energy
  • water splitting

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