Figure 5. SEM and TEM images of Au NPs obtained by laser irradiation (λ = 532 nm, 20 Hz) at various laser fluences for 240 s.
(a, b) original octahedral nanoparticles, (c, d) 1.76, (e, f) 2.87, (g, h) 3.84 and (i, j) 5.50 mJ cm−2.
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