Using laser ablation in liquids, also nanoparticles made of materials that are sensitive against oxidation are easily accessible in the colloidal state. The example video is given for copper nanoparticles fabricated by laser ablation in acetone.

For details please see:
Bärsch, N.; Jakobi, J.; Weiler, S.; Barcikowski, S.: Pure colloidal metal and ceramic nanoparticles from high-power picosecond laser ablation in water and acetone. In: Nanotechnology 20 (2009), 445603

Video made by our colleagues from Particular:

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Comment by Balaji.A.P.B on May 27, 2014 at 8:30am

Dear author

How can a visible breakdown can  be in  nanosize.. Authors kindly explain

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Comment by L.C.NEHRU on February 23, 2012 at 11:19am

Dear sir,

It is fantastic work. Can u try to deposition at porous materials (metal).

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Comment by Dennis on November 23, 2010 at 5:08am
Dear Sir,
Extraordinary one.... Day by day your work is getting bigger, innovative and interesting too... Unfortunately, I missed to work with you..

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Comment by Dr. Stephan Barcikowski on November 22, 2010 at 11:24pm
Thank you for the comments.
Yes, the dispersion into the liquid is very homogeneous. The homogeneity is very high in the liquid state (Solvent) as well as in the solid state (polymer).
It is also correct that the solvent affects homogeneity in terms of aggregation. Details on the solvent effect (A) and viscosite effect (B) can be found in the two papers below:

Hahn, A.; Stöver, T.; Paasche, G.; Gomes, P.; Löbler, M.; Sternberg, K.; Rohm, H.; Barcikowski, S.:
Therapeutic window for bioactive nanocomposites fabricated by laser ablation in polymer-doped organic liquids.
In: Advanced Biomaterials 12 (2010), Nr. 5, S. B156–B162

Menéndez-Manjón, A.; Chichkov, B. N.;Barcikowski, S.: Influence of Water Temperature on the
Hydrodynamic Diameter of Gold Nanoparticles from Laser Ablation. In: Journal of Physical
Chemistry C 114 (2010), Nr. 4, S. 2499–2504

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Comment by Lina L. Sartinska on November 21, 2010 at 3:20pm
I had the same idea, but you are first.

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Comment by kondalarao tata on November 21, 2010 at 11:58am
It is fantastic. but, Is it possible to get Homogeneous nanoparticles as in chemical methods? can authors give clarification in this regard please.

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Comment by Mohamed Samir Abdel Aziz Zedan on November 19, 2010 at 6:55pm
This technique is very marvelous. Always in my work, there was a problem of the homogeneity of nanoparticles within the polymer matrix. By laser ablation, this problem will be overcome.
I think that the viscosity of the solvent used has an effect on the homogeneity ??
I have a question please. I hope to get the answer from Dr Barcikowski.
Is it possible to use the produced nanoparticle colloid in a chemical reaction of with other materials?

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