A taxonomy for solar fuels generators

Adam C. Nielander, Matthew R. Shaner, Kimberly M. Papadantonakis, Sonja A. Francis, Nathan S. Lewis

Research output: Contribution to journalReview article

118 Citations (Scopus)

Abstract

A number of approaches to solar fuels generation are being developed, each of which has associated advantages and challenges. Many of these solar fuels generators are identified as "photoelectrochemical cells" even though these systems collectively operate based on a suite of fundamentally different physical principles. To facilitate appropriate comparisons between solar fuels generators, as well as to enable concise and consistent identification of the state-of-the-art for designs based on comparable operating principles, we have developed a taxonomy and nomenclature for solar fuels generators based on the source of the asymmetry that separates photogenerated electrons and holes. Three basic device types have been identified: photovoltaic cells, photoelectrochemical cells, and particulate/molecular photocatalysts. We outline the advantages and technological challenges associated with each type, and provide illustrative examples for each approach as well as for hybrid approaches.

Original languageEnglish
Pages (from-to)16-25
Number of pages10
JournalEnergy and Environmental Science
Volume8
Issue number1
DOIs
Publication statusPublished - Jan 1 2015

ASJC Scopus subject areas

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution

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  • Cite this

    Nielander, A. C., Shaner, M. R., Papadantonakis, K. M., Francis, S. A., & Lewis, N. S. (2015). A taxonomy for solar fuels generators. Energy and Environmental Science, 8(1), 16-25. https://doi.org/10.1039/c4ee02251c