Plasmon induced heat funneling from Au to Cu in the bimetallic Au@Cu core-shell nanoparticles
Danli Shi,
Jingyi Yang,
Minjie Li
et al.
Abstract:The bimetallic nanostructures that mix a plasmonic metal with a transition metal in the form of the core-shell nanoparticles are promising to promote catalytic performance. But it is still unclear how the heat (hot electrons and phonons) transfers on the interface between two metals. We have designed and synthesized Au@Cu bimetallic nanoparticles with Au as core and Cu as shell. By using transient absorption spectroscopy, we find that there are two plasmon induced heat funneling processes from Au core to Cu sh… Show more
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