Hermann Wilfried Siaka on Muck Rack

Hermann Wilfried Siaka

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Revisiting the Impact of Tungsten on the Catalytic Properties of Ammonia-SCR V2O5-WO3/TiO2 Catalysts: Geometric vs. Electronic Effects

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By Christophe Dujardin, Pascal Granger, Hermann Wilfried Siaka, Alain Moissette
| MDPI
3.3.3. UV-Visible Spectroscopy UV-visible absorption spectroscopy is a useful technique to probe the electronic structure of the valence bands. For metal oxides, the broad nature of charge transfer does not provide accurate determination of the energy at maximum. For the vanadium undoped samples, the wavelength values determined in Figure 7a agree with those obtained on TiO2 corresponding to charge transfer from the O 2p valence band to the Ti 3d valence band.
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