Abstract:Although bulk gold is known to present very low luminescence quantum yield, gold nanoparticles can present a huge nonlinear luminescence with an apparent high influence of the particle shape. The two-photon luminescence (TPL) of Au nanorods (NR) was investigated at the single-object level, combining polarizationresolved TPL and simultaneously acquired topography using atomic force microscopy (AFM). We evidence that the huge TPL observed in these rods is the result of an interplay between their two different lo… Show more
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