Bandgap Tunability in Sb-Alloyed BiVO4 Quaternary Oxides as Visible Light Absorbers for Solar Fuel Applications

Anna Loiudice, Jie Ma, Walter S. Drisdell, Tracy M. Mattox, Jason K. Cooper, Timothy Thao, Cinzia Giannini, Junko Yano, Lin Wang Wang, Ian D. Sharp, Raffaella Buonsanti

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

The challenge of fine compositional tuning and microstructure control in complex oxides is overcome by developing a general two-step synthetic approach. Antimony-alloyed bismuth vanadate, which is identified as a novel light absorber for solar fuel applications, is prepared in a wide compositional range. The bandgap of this quaternary oxide linearly decreases with the Sb content, in agreement with first-principles calculations.

Original languageEnglish
Pages (from-to)6733-6740
Number of pages8
JournalAdvanced Materials
Volume27
Issue number42
DOIs
StatePublished - 1 Nov 2015
Externally publishedYes

Keywords

  • colloidal synthesis
  • light absorbers
  • materials discovery
  • quaternary oxides
  • solar energy conversion

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