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- W3043761712 abstract "Metal nanoparticles are attractive for plasmon-enhanced generation of hot carriers, which may be harnessed in photochemical reactions. In this work, we analyze the coherent femtosecond dynamics of photon absorption, plasmon formation, and subsequent hot-carrier generation through plasmon dephasing using first-principles simulations. We predict the energetic and spatial hot-carrier distributions in small metal nanoparticles and show that the distribution of hot electrons is very sensitive to the local structure. Our results show that surface sites exhibit enhanced hot-electron generation in comparison to the bulk of the nanoparticle. While the details of the distribution depend on particle size and shape, as a general trend lower-coordinated surface sites such as corners, edges, and {100} facets exhibit a higher proportion of hot electrons than higher-coordinated surface sites such as {111} facets or the core sites. The present results thereby demonstrate how hot carriers could be tailored by careful design of atomic-scale structures in nanoscale systems." @default.
- W3043761712 created "2020-07-23" @default.
- W3043761712 creator A5009135066 @default.
- W3043761712 creator A5010983761 @default.
- W3043761712 creator A5062333252 @default.
- W3043761712 date "2020-07-20" @default.
- W3043761712 modified "2023-10-17" @default.
- W3043761712 title "Hot-Carrier Generation in Plasmonic Nanoparticles: The Importance of Atomic Structure" @default.
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- W3043761712 doi "https://doi.org/10.1021/acsnano.0c03004" @default.
- W3043761712 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7458472" @default.
- W3043761712 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32687311" @default.
- W3043761712 hasPublicationYear "2020" @default.
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