Reconstruction of silver nanoplates by UV irradiation: tailored optical properties and enhanced stability.

The size and shape of it: The optical properties of Ag nanoplates can be precisely tuned in a wide range through a UV-light-induced reconstruction process in which the morphology of the nanoparticles is changed from thin triangular plates to thick round plates (see picture). This unconventional "backward tuning" strategy is a practical route to stable silver nanoplates that display a wide range of plasmon wavelengths.

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