Absorption spectra of platinum colloids prepared at at the three laser wavelengths.
Trends in the ablation yield as measured by the optical density at of platinum nanomaterial solutions prepared as a function of fluence and wavelength.
TEM image of nanoparticles prepared by the ablation of platinum in pure water at wavelength and fluence of .
Nanoparticle size distributions for platinum nanoparticles prepared at vs laser wavelength. Symbols represent the experimentally measured size histogram; solid lines are fits to log-normal functions.
TEM images of platinum nanomaterials produced by ablation at wavelength at various laser fluences. (a) , (b) , (c) , and (d) .
Platinum nanoparticle size distributions versus wavelength and fluence.
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