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Issue 1, 2014
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Photocatalysts with internal electric fields

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Abstract

The photocatalytic activity of materials for water splitting is limited by the recombination of photogenerated electron–hole pairs as well as the back-reaction of intermediate species. This review concentrates on the use of electric fields within catalyst particles to mitigate the effects of recombination and back-reaction and to increase photochemical reactivity. Internal electric fields in photocatalysts can arise from ferroelectric phenomena, p–n junctions, polar surface terminations, and polymorph junctions. The manipulation of internal fields through the creation of charged interfaces in hierarchically structured materials is a promising strategy for the design of improved photocatalysts.

Graphical abstract: Photocatalysts with internal electric fields

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Publication details

The article was received on 01 Aug 2013, accepted on 19 Sep 2013 and first published on 23 Sep 2013


Article type: Review Article
DOI: 10.1039/C3NR03998F
Citation: Nanoscale, 2014,6, 24-42
  • Open access: Creative Commons BY-NC license
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    Photocatalysts with internal electric fields

    L. Li, P. A. Salvador and G. S. Rohrer, Nanoscale, 2014, 6, 24
    DOI: 10.1039/C3NR03998F

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