Plasmonic Harvesting of Light Energy for Suzuki Coupling Reactions

Published on Apr 8, 2013in Journal of the American Chemical Society15.419
· DOI :10.1021/JA310501Y
Feng Wang41
Estimated H-index: 41
(PKU: Peking University),
Chuanhao Li27
Estimated H-index: 27
+ 6 AuthorsChun-Hua Yan20
Estimated H-index: 20
Sources
Abstract
The efficient use of solar energy has received wide interest due to increasing energy and environmental concerns. A potential means in chemistry is sunlight-driven catalytic reactions. We report here on the direct harvesting of visible-to-near-infrared light for chemical reactions by use of plasmonic Au–Pd nanostructures. The intimate integration of plasmonic Au nanorods with catalytic Pd nanoparticles through seeded growth enabled efficient light harvesting for catalytic reactions on the nanostructures. Upon plasmon excitation, catalytic reactions were induced and accelerated through both plasmonic photocatalysis and photothermal conversion. Under the illumination of an 809 nm laser at 1.68 W, the yield of the Suzuki coupling reaction was ∼2 times that obtained when the reaction was thermally heated to the same temperature. Moreover, the yield was also ∼2 times that obtained from Au–TiOx–Pd nanostructures under the same laser illumination, where a 25-nm-thick TiOx shell was introduced to prevent the phot...
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: Palladium's pore cousin: a facile approach is described for the size-controlled preparation of porous single-crystalline Pd nanoparticles. These porous Pd nanoparticles exhibit size-independent catalytic activities for the Suzuki coupling and are more active than commercial Pd/C catalysts.
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