nanoparticle agglomerate size reduction and fragmentation by laser excitation

lasers can be used to reduce the size of nanoparticle colloids. the real-time video shows two vessels with agglomerated (blue colour) gold nanoparticle collo...

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Comment by Dr. Stephan Barcikowski on February 6, 2012 at 4:17pm

lasers can be used to reduce the size of nanoparticle colloids. the real-time video shows two vessels with agglomerated (blue colour) gold nanoparticle colloids. The right one is irradiated by a pulsed green light laser, causing fragmentation and size reduction of the nanoparticles (red colour). Both liquids contain gold and water, only (no chemicals or stabilizers) and were made by laser ablation of a gold target in water.

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