Free Silver Nanoparticles Synthesized by Laser Ablation in Organic Solvents and Their Easy Functionalization
Abstract
Stable colloidal solutions of free silver nanoparticles (AgNPs) have been synthesized without reducing and stabilizing agents in pure acetonitrile and N,N-dimethylformamide by laser ablation of the bulk metal. Synthesis in tetrahydrofuran and dimethyl sulfoxide gave nanoparticles surrounded by a carbon shell or included in a carbon matrix. Mie theory for free and core@shell spheres accounts for the UV-vis spectra of the nanoparticles and allows their structural characterization. Transmission electron microscopy confirms the structure of the synthesized AgNPs. It is shown that free nanoparticles can be immediately functionalized, without further treatments, in the organic solvent used for the synthesis with molecules which are soluble in the same solvent.
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The absence of typical atomic spectral lines of LIP expanding in a gaseous environment is due to the high density reached by the ablated matter under liquid confinement.
“The absence of the typical atomic spectral lines of the LIP expanding in a gaseous environment is due to the high density reached by the ablated matter under liquid confinement as discussed in [40,41,42].”
From Nanoparticles Engineering by Pulsed Laser Ablation in Liquids: Concepts and Applications (2020) · cites this paper as [41]
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- Authors
- Amendola, V., Polizzi, S., & Meneghetti, M.
- Affiliations
- University of Padua (IT)
- Corresponding author
- Meneghetti, Moreno
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-05-10
- Volume
- 23
- Issue
- 12
- Pages
- 6766-6770
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W1995123237
- Cited by
- 180
- References
- 0
- Citations by year
- 2026: 4 · 2025: 4 · 2024: 10 · 2023: 8 · 2022: 9 · 2021: 10 · 2020: 12 · 2019: 11 · 2018: 12 · 2017: 8 · 2016: 14 · 2015: 11 · 2014: 13 · 2013: 14 · 2012: 14
- FWCI
- 4.06
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Langmuir (publishedVersion)
- PubMed (publishedVersion)
- ARCA (Università Ca' Foscari Venezia) (submittedVersion)
- Padua Research Archive (University of Padova) (submittedVersion)
- Funders
- Ministero dell’Istruzione, dell’Università e della Ricerca
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Laser-Ablation Synthesis of Nanoparticles
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
- Physical Sciences › Materials Science › Materials Chemistry › Nanoparticles: synthesis and applications
- Keywords
- silver nanoparticles, laser ablation in liquid, organic solvents, acetonitrile, dimethylformamide, tetrahydrofuran, dimethyl sulfoxide, carbon shell, core-shell nanoparticles, nanoparticle functionalization, Mie theory, UV-Vis spectra, colloidal stability
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