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Shifting of the localized surface plasma resonance (LSPR) absorption bands following the shape modification of silver nanoparticles (NPs) (reproduced from [57] Copyright (2005) American Chemical Society). (a) Towards shorter wavelengths after subsequent chronocoulometry measurements; (b) Atomic-force-microscope image following two chronocoulometry runs, (c) following one chronocoulometry run (d) before any electrochemical oxidation.
