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. 2013 Sep 11;135(36):13262-5.
doi: 10.1021/ja406070q. Epub 2013 Aug 27.

Cluster size effects in the photocatalytic hydrogen evolution reaction

Florian F Schweinberger  1 , Maximilian J Berr, Markus Döblinger, Christian Wolff, Kai E Sanwald, Andrew S Crampton, Claron J Ridge, Frank Jäckel, Jochen Feldmann, Martin Tschurl, Ueli Heiz
Affiliations

Cluster size effects in the photocatalytic hydrogen evolution reaction

Florian F Schweinberger et al. J Am Chem Soc. .

Abstract

The photocatalytic water reduction reaction on CdS nanorods was studied as function of Pt cluster size. Maximum H2 production is found for Pt46. This effect is attributed to the size dependent electronic properties (e.g., LUMO) of the clusters with respect to the band edges of the semiconductor. This observation may be applicable for the study and interpretation of other systems and reactions, e.g. H2O oxidation or CO2 reduction.

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