Hybrid metal-semiconductors nanoparticles offer many optical and electronic advantages that play important roles in photocatalysis. In order to create the hybrid metal-semiconductor catalysts, CdSe quantum dots, nanorods and nanoplatelets are synthesized using organometallic hot injection reactions and Au nanoparticles with different dimensions are reduced onto the CdSe nanocrystal surface. The dye methyl viologen is photocatalytically reduced by the Au tipped CdSe heterostructures. This investigation focuses on optimizing the catalytic properties of Au tipped CdSe by varying the morphology of CdSe and the size of Au nanoparticles. The photocatalytic activity of the hybrid Au-CdSe nanostructures are characterized via UV-Vis absorption and fluorescence spectroscopy. The structural properties of the hybrid materials have been studied using high resolution transmission electron microscopy and powder x-ray diffraction.

Photocatalytic activity of hybrid metal/semiconductor nanostructures with varied morphologies

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.