Titlebook: Homogeneous and Heterogeneous Photocatalysis; Ezio Pelizzetti,Nick Serpone Book 1986 Springer Science+Business Media Dordrecht 1986 Adsorp

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1389-2185 ore groups have joined in these efforts, and the number of papers in the lit~rature is staggering ! One of the motives for organizing this NATO Advanced Researc978-94-010-8562-5978-94-009-4642-2Series ISSN 1389-2185

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Electron Transfer Reactions on Extremely Small Semiconductor Colloids Studied by Pulse Radiolysis,O. and WO., colloids becomes slightly more negative (0.1 to 0.2 V) than the corresponding single crystal electrodes, which can be explained by the corresponding change in the surface charge on the colloids.

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1389-2185 onvert the sun‘s abundant and limitless supply of energy to produce chemical fuels (e. g. , hydrogen from water, . •. ). The enthusiasm had no previous parallel in the mid-1970‘s. Unfortunately, despite the several good proposals, the results have proven - in retrospect - somewhat disappointing from

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In Situ Generated Catalyst-Coated Colloidal Semiconductor CdS Particles in Surfactant Vesicles and ficiency was found to depend on both the type of vesicle and sacrificial electron donor. 10% formal quantum yield at 400 ni was achieved with cationic — vesicle- stabilized, Rh-coated CdS in the presence of 1% benzylalcohol. Pronounced quantum size effects were observed by varying concentration and degree of reaction of the Cd. precursors.

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On the Nature of the Inhibition of Electron Transfer at Illuminated P-Type Semiconductor ElectrodesnP which exhibit quite different behavior with respect to the inhibition of the cathodic photocurrents. The nature of the inhibition is discussed in terms of two different models, in one case an efficient back reaction via the valence band (recombination shunt in the electrolyte), in the other strong recombination via surface states is assumed.