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Using scanning probe microscopy. (a) Sketch of an experimental arrangement of a SNOM. Inset: SEM image of a gold nanoparticle attached to the end of a pointed optical fiber. Adapted with permission from ref (71). Copyright 2006 American Physical Society. (b) AFM image of a QD and Au NPs with a yellow arrow denoting the path of the gold nanoparticle controlled by an AFM probe. Adapted with permission from ref (73). Copyright 2011 American Chemical Society.
