Our news editors obtained a quote from the research, "The optimized nitridation conditions were found to be calcination at 800 degrees C for 14 h under a NH3 gas flow (25 mL min(-1)). Among the porphyrin dyes examined, pentamethylene bis[4-(10,15,20-triphenylporphine-5-yl)benzoate]-dizinc (II) (Zn-TPPD) showed the most positive effect on the photocatalytic activity of TaON for H-2 production from Na2S aqueous solution. From the results of the photocatalytic reaction using various combinations of catalyst components, it was found that the modification dye and PtOx co-catalysts were necessary to achieving photocatalytic H-2 formation. In the PtOx/Zn-TPPD/TaON photocatalyst, the expected charge transfer mechanism was a two-step excitation of both TaON and Zn-TPPD, and the oxidation and reduction sites were TaON and PtOx co-catalyst, respectively."
According to the news editors, the research concluded: "These results indicate that dye modification has the potential to improve the photocatalytic activity of various (oxy)nitride photocatalysts."
For more information on this research see: Dye Modification Effects on TaON for Photocatalytic Hydrogen Production from Water. Catalysts, 2013;3(3):614-624. Catalysts can be contacted at: Mdpi Ag, Postfach, Ch-4005
The news editors report that additional information may be obtained by contacting
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