Laser ablation synthesis in solution

Preparation of nanoparticles by Laser 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 by a laser beam hitting a solid target in a liquid and during the condensation of the plasma plume, the nanoparticles are formed. Since the ablation is occurring in a liquid, versus air/vacuum/gas/, the environment allows for plume expansion, cooling and condensation with a higher temperature, pressure and density to create a plume with stronger confinement. These environmental conditions allow for more refined and smaller nanoparticles[1][2] LASiS is usually considered a top-down physical approach. LASiS emerged as a reliable alternative to traditional chemical reduction methods for obtaining noble metal nanoparticles (NMNp).[1] LASiS is also used for synthesis of silver nanoparticles AgNPs, which are known for their antimicrobial effects. Production of AgNPs via LASiS causes nanoparticles with varying antimicrobial characteristics due to different properties achieved via the fine tuning of NPs size in liquid ablation.[4]

Pros and Cons

LASiS has some limitations in the size control of NMNp, which can be overcome by laser treatments of NMNp. Other cons of LASiS include: the slow rate of NPs production, high consumption of energy, laser equipment cost, and decreased ablation efficiency with longer usage of the laser within a session. [1] Other pros of LASiS include: minimal waste production, minimal manual operation, and refined size control of nanoparticles.[1][3]

References

  1. ^ a b c d e Amendola V, Meneghetti M (May 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.
  2. ^ a b Amendola V, Polizzi S, Meneghetti M (April 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.
  3. ^ a b c Semaltianos NG (2010-05-28). "Nanoparticles by Laser Ablation". Critical Reviews in Solid State and Materials Sciences. 35 (2): 105–124. Bibcode:2010CRSSM..35..105S. doi:10.1080/10408431003788233. ISSN 1040-8436. S2CID 97024574.
  4. ^ a b Sportelli MC, Izzi M, Volpe A, Clemente M, Picca RA, Ancona A, et al. (July 2018). "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.
  5. ^ Nicola., Shukla, P. Kato, K. Obradors, X. Mathur, S. Sportelli, Maria C. Ancona, Antonio. Picca, Rosaria A. Trapani, Adriana. Volpe, Annalisa. Trapani, Giuseppe. Cioffi. Laser Ablation Synthesis in Solution of Nanoantimicrobials for Food Packaging Applications. OCLC 1018178403.{{cite book}}: CS1 maint: multiple names: authors list (link)
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