The Effect of Laser Pulse Widths on Laser—Ag Nanoparticle Interaction: Femto- to Nanosecond Lasers
Open accessAbstract
The effect of the laser pulse width on the production of nanoparticles by laser fragmentation was investigated. Laser pulse widths of 164 fs, 5 ps, 4 ns, 36 ns, 64 ns, and 100 ns were used. To assess the effect of the laser pulse width on the energy distribution in the nanoparticles, the energy distribution was simulated using wave optics. Silver (Ag) nanoparticles were produced by laser irradiation of an Ag target in distilled water. The wavelength of the femtosecond, picosecond, and nanosecond lasers used was 1070 nm, and their fluences were 0.10–0.13 mJ/cm2. Nanoparticle microstructure was visualized by transmission electron microscopy and scanning electron microscopy, and the nanoparticle size distribution was evaluated using a particle size analyzer.
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fs and ps pulses resulted in Ag NP diameters ranging from 10 to 15 nm, whereas using ns pulses the particle diameter increased with sizes reaching 75-85 nm.
“Regarding size distribution, fs and ps pulses resulted in NP diameters ranging from 10 to 15 nm, whereas, using ns pulses, the particle diameter increased with sizes reaching 75–85 nm (Figure 7).”
Synthesis of Ag NPs using fs and ps laser pulses produced a yellow solution, whereas nanosecond pulses resulted in a grey solution.
“The synthesis of the Ag NPs using fs and ps laser pulses produced a yellow solution, whereas nanosecond pulses resulted in a grey solution.”
Cites
Formation of silver nanoparticles by laser ablation of a silver target in NaCl solution
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Surface Structuring with Ultra-short Laser Pulses: Basics, Limitations and Needs for High Throughput
Neuenschwander, B., Jaeggi, B., Schmid, M., & Hennig, G. (2014) · Physics Procedia · doi:10.1016/j.phpro.2014.08.017 · Cited by 194 · see citing works
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Subhan, A., Mourad, A.-H. I., & Al-Douri, Y. (2022) · Nanomaterials · doi:10.3390/nano12132144 · Cited by 95 · see citing works
Freeland, B., McCann, R., Alkan, G., Friedrich, B., Foley, G., & Brabazon, D. (2020) · Advances in Materials and Processing Technologies · doi:10.1080/2374068x.2020.1740877 · Cited by 16 · see citing works
- Authors
- Jeon, J.-W., Yoon, S., Choi, H., Kim, J., Farson, D., & Cho, S.-H.
- Affiliations
- Korea Institute of Machinery & Materials (KR)
- Seoul National University of Science and Technology (KR)
- Keimyung University (KR)
- The Ohio State University (US)
- Corresponding author
- Kim, Joohan
- Venue
- Applied Sciences
- Publisher
- MDPI AG
- Published
- 2018-01-14
- Volume
- 8
- Issue
- 1
- Pages
- 112
- ISSN
- 2076-3417 (ISSN-L)
- OpenAlex
- W2783892176
- Cited by
- 76
- References
- 2
- Citations by year
- 2026: 3 · 2025: 11 · 2024: 10 · 2023: 14 · 2022: 10 · 2021: 8 · 2020: 5 · 2019: 7 · 2018: 8
- FWCI
- 2.80
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Applied Sciences (publishedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- 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 › Engineering › Computational Mechanics › Laser Material Processing Techniques
- Keywords
- laser pulse duration, silver nanoparticles, laser fragmentation, wave optics simulation, femtosecond laser, nanosecond laser, picosecond laser, nanoparticle size distribution, laser ablation in liquid, nanoparticle microstructure
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