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Counting electrons on supported nanoparticles

Y. Lykhach, S. M. Kozlov, T. Skála, A. Tovt, V. Stetsovych, N. Tsud, F. Dvořák, V. Johánek, A. Neitzel, J. Mysliveček, S. Fabris, V. Matolín, K. M. Neyman, J. Libuda.

Nature Materials 15 (2016) 284.

Electronic interactions between metal nanoparticles and supports are the key to advanced catalytic materials. By combining model experiments and theory, we answer a long- standing question related to such interactions: What is the charge on a supported catalyst particle? We quantify the charge transfer for the practically important case of ceria-supported platinum particles and rationalize the origin of its size dependence.


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