Laser ablation synthesis in solution
Laser ablation synthesis in solution (LASiS) is a commonly used method for obtaining colloidal solution of nanoparticles in a variety of solvents.[1][2] Nanoparticles (NPs,), are useful in chemistry, engineering and biochemistry due to their large surface-to-volume ratio that causes them to have unique physical properties[3]. LASiS is considered a "green" method due to its lack of use for toxic chemical precursors to synthesize nanoparticles.[3][4][5]
In the LASiS method, nanoparticles are produced during the condensation of a plasma plume formed by the laser ablation of a bulk metal plate dipped in a liquid solution. LASiS is usually considered a top-down physical approach. In the past years, laser ablation synthesis in solution (LASiS) emerged as a reliable alternative to traditional chemical reduction methods for obtaining noble metal nanoparticles (NMNp).
LASiS is a technique for the synthesis of stable NMNp in water or in organic solvents, which does not need stabilizing molecules or other chemicals. The so obtained NMNp are highly available for further functionalization or can be used wherever unprotected metal nanoparticles are desired.
Surface functionalization of NMNp can be monitored in real time by UV-visible spectroscopy of the plasmon resonance. However, LASiS has some limitations in the size control of NMNp, which can be overcome by laser treatments of NMNp.
References
- ^ Amendola, Vincenzo; Meneghetti, Moreno (2009). "Laser ablation synthesis in solution and size manipulation of noble metal nanoparticles". Physical Chemistry Chemical Physics. 11 (20): 3805–21. Bibcode:2009PCCP...11.3805A. doi:10.1039/b900654k. PMID 19440607.
- ^ Amendola, Vincenzo; Polizzi, Stefano; Meneghetti, Moreno (2006). "Laser Ablation Synthesis of Gold Nanoparticles in Organic Solvents". The Journal of Physical Chemistry B. 110 (14): 7232–7. doi:10.1021/jp0605092. PMID 16599492.
- ^ a b Semaltianos, N. G. (2010-05-28). "Nanoparticles by Laser Ablation". Critical Reviews in Solid State and Materials Sciences. 35 (2): 105–124. doi:10.1080/10408431003788233. ISSN 1040-8436.
- ^ Goldschlag, N. (2015). "Laser Ablation Synthesis in Solution of Nanoantimicrobials for Food Packaging Applications". J. Chem. Inf. 53: 1689–1699.
- ^ Sportelli, Maria Chiara; Izzi, Margherita; Volpe, Annalisa; Clemente, Maurizio; Picca, Rosaria Anna; Ancona, Antonio; Lugarà, Pietro Mario; Palazzo, Gerardo; Cioffi, Nicola (2018/9). "The Pros and Cons of the Use of Laser Ablation Synthesis for the Production of Silver Nano-Antimicrobials". Antibiotics. 7 (3): 67. doi:10.3390/antibiotics7030067. PMC 6164857. PMID 30060553.
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