Palladium is a plasmonic metal, however plasmonically mediated enhancement of catalytic performance of Pd nanoparticles is underexplored. We report plasmonically mediated enhancement of catalytic performance of Pd-based nanoparticles with different shapes and internal structure. We found that Pd-only nanoparticles with geometry promoting plasmonic light concentration show stronger effect on light-induced catalytic performance than hybrid Pd-based nanoparticles with a 'canonic' plasmonic metal (Au) core. Our findings pave the way for the design, synthesis and fabrication of Pd nanocatalysts with enhanced performance under visible light illumination.
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A. K. thanks I. Gourevich and N. Coombs for help with SEM imaging and EDX. A. K., R. M. C. and E. K. thank Connaught fund for financial support of this work. A. K. acknowledges Ontario Trillium Scholarship, R. M. C. acknowledges Natural Sciences and Engineering Research Council of Canada for a PGS-D scholarship. J. R. G. thanks Yugang Sun for helpful discussions. Use of the Center for Nanoscale Materials, an Office of Science user facility, was supported by the U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.