Visible light photocatalysis by metal-to-metal charge transfer for degradation of methyl orange

C. P. Ireland, R. G. Palgrave, S. C. Bennett, A. W. J. Smith, J. H. Clark, J. R. Darwent, J. B. Claridge, S. Poulston, M. J. Rosseinsky
2016 Journal of Materials Chemistry A  
We have impregnated chromium(iii) onto a particulate niobium oxide to make bulk oxide–oxide interfaces, identifying by a combination of XPS and diffuse reflectance the energy of the metal-to-metal charge transfer transition that is responsible for the visible light photocatalytic decomposition of methyl orange.
doi:10.1039/c6ta00192k fatcat:ph7autku2nhxfgrcisuv6cwkhi