Dr. Mohamad Hmadeh, Dr. Veronika Hoepfner, Eduardo Larios, Dr. Kristine Liao, Jia Jia, Prof. Miguel Jose-Yacaman and Prof. Geoffrey A. Ozin New Hydrogen-Evolution Heteronanostructured Photocatalysts: Pt-Nb3O7(OH) and Cu-Nb3O7(OH) ChemSusChem 7
Nb3O7(OH), a new hydrogen-evolution photocatalyst: Under solar illumination photogenerated holes are scavenged by methanol, whereas the reduction of protons to hydrogen is kinetically hindered. Thus, the electrons remain in the conduction band and/or trap states. The deposition of metal particles on the surface introduces a new reaction side, which can overcome the kinetic barrier. Subsequently, hydrogen is formed and no photochromic process is observed.
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