Tantalum oxynitride (TaON) and tantalum nitride (Ta3N5) are investigated in detail as visible-light-responsive photocatalysts. It is found that TaON and Ta3N5 evolve H2 or O2 via bandgap excitation in the presence of a sacrificial electron donor or acceptor, respectively. These materials exhibit high stability against photo-corrosion under the reaction conditions for H2 and O2 evolution. Structural and physical properties of these photocatalysts were also investigated in detail.
Research on Chemical Intermediates – Springer Journals
Published: Apr 25, 2009
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