A simple, low-cost CVD route to thin films of BiFeO3 for efficient water photo-oxidation

  • Moniz S
  • Quesada-Cabrera R
  • Blackman C
 et al. 
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Abstract

A novel method for preparation of BiFeO3 films via a simple solution-based CVD method is reported using for the first time a single-source heterobimetallic precursor [CpFe(CO)2BiCl2]. BiFeO3 films display ferroelectric and ferromagnetic ordering at room temperature and possess direct band-gaps between 2.0 and 2.2 eV. Photocatalytic testing for water oxidation revealed high activities under UVA (365 nm) and simulated solar irradiation, superior to that exhibited by a commercial standard (Pilkington Activ® TiO2 film) resulting in an apparent quantum yield of ∼24%.

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Authors

  • Savio J. A. Moniz

  • Raul Quesada-Cabrera

  • Christopher S. Blackman

  • Junwang Tang

  • Paul Southern

  • Paul M. Weaver

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