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Consequences of ligand removal from CdSe quantum dots on photocatalytic H2 production
Hannah N Gorski1, Ryan M Kosko1, Liam H Burke1
1Department of Chemistry, University of Rochester, Rochester, New York 14627, USA. bren@chem.rochester.edu.
Abstract:
The activity of thiolate-capped CdSe quantum dots as photocatalysts for proton reduction is compared to that of nanocrystals with surface ligands removed by a chemical stripping reagent. Thiolate-capped CdSe produce more H2, while ligand-stripped nanocrystals show enhanced activity with a cocatalyst. These results highlight the importance of surface structure in the design of photocatalytic systems for proton reduction.

