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SEM images showing the morphological changes of citrate gold nanoparticles after nanosecond pulse laser irradiation at 650 μJ/cm2 fluence for (a) 0 min, (b) 5 min, (c) 9 min, (d) 11 min, and (e) 14 min. (f) Scheme of the laser-induced assembly and fusion of citrate stabilized particles. Adapted with permission from ref (50). Copyright 2013 Royal Society of Chemistry.
