Journal
CHEMICAL PHYSICS LETTERS
Volume 348, Issue 3-4, Pages 182-186Publisher
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DOI: 10.1016/S0009-2614(01)01136-8
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Ablation of Au and Ag targets in water by a Cu vapor laser generates Au and Ag sols. The metal nanoparticles obtained after evaporation are disk-shaped (diameter in the 20-60 nm range, thickness of few nanometers). Their formation is observed at laser fluence between 10 and 20 J/cm(2). Both aqueous sols are characterized by well-resolved plasmon bands around 400 run (Ag) and 520 mn (Au.). (C) 2001 Published by Elsevier Science B.V.
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