Abstract
Palladium nanoparticles are widely used in catalysis, sensors, coatings and hydrogen storage devices. This paper reports the one-pot photochemical reduction of Pd(II) alcohol solutions into Pd0 nanoparticle suspensions. The synthesis involves the reduction of [PdCl4][Formula: see text] dissolved in EtOH/2-PrOH mixtures by the ketyl radicals (Me)2(HO)C[Formula: see text] generated from 254[Formula: see text]nm irradiation, in the absence of other chemical reducing agents. Clusters of [Formula: see text][Formula: see text]nm Pd0 particles thus produced could be separated from their suspensions by microfiltration. Preliminary tests are reported on the catalytic potential of such particles for the thermal dehydrogenation of alcohols.
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