Cited by 120Laser-Ablation Synthesis of NanoparticlesLaser Material Processing TechniquesLaser-induced spectroscopy and plasma

Nanosecond Time-Resolved Observations of Laser Ablation of Silver in Water

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Tsuji, Takeshi, Okazaki, Yuuki, Tsuboi, Yasuyuki, Tsuji, Masaharu·2007·Japanese Journal of Applied Physics

Abstract

Nanosecond-resolved shadowgraphs and optical emission spectra were observed for the laser ablation of a silver plate in water to investigate the formation process of nanoparticles. Optical emissions, a shockwave, and a cavitation bubble were generated sequentially from the target surface after laser irradiation. In the optical emission spectra, continuous bands were observed, which were probably attributable to bremsstrahlung and/or electron–ion recombination. These findings suggest that materials emitted by laser ablation were confined by the surrounding water causing high pressure, which etches the target surface. Results show that nanoparticles are formed in the cavitation bubbles rather than in the bulk water from materials that were emitted via both direct laser ablation and secondary etching. In addition, a second shockwave was observed upon the collapse of the cavitation bubble, indicating that another secondary etching process might accompany nanoparticle formation.

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Crossref · 10.1143/jjap.46.1533

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  • Some aspects of cavitation bubble formation, shrinkage and diffusion remain to be fully understood, such as boundary layer interactions between profile of metal target and liquid, surface tension, and pressure drop.

    “Studies [81] have focused on the dynamics of cavitation bubble formation, shrinkage and diffusion; some aspects of this thermodynamic process remain to be fully understood, such as the boundary layer interactions between the profile of the metal target and the liquid, surface tension, and pressure drop.”

    From Influence of Laser Process Parameters, Liquid Medium, and External Field on the Synthesis of Colloidal Metal Nanoparticles Using Pulsed Laser Ablation in Liquid: A Review (2022) · cites this paper as [81]

    The paper’s account of its time-resolved observations describes cavitation-bubble formation, growth, shrinkage and collapse, and says that further investigation of bubble properties is needed. It does not identify diffusion, metal–liquid boundary-layer interactions, surface tension or pressure drop as the aspects that remain unexplained. The indexed passages have no page labels. (LLM, conf=0.86)

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  • Recently, research has applied external magnetic, electric, and temperature fields to examine impact of light-matter interaction and achieve shape control on various types of nanocrystals.

    “Recently [73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96], research has taken a further step, which involved the application of external magnetic, electric, and temperature fields to examine the impact of light–matter interaction and to achieve shape control on various types of nanocrystals.”

    From Influence of Laser Process Parameters, Liquid Medium, and External Field on the Synthesis of Colloidal Metal Nanoparticles Using Pulsed Laser Ablation in Liquid: A Review (2022) · cites this paper as [81]

    The paper’s Abstract and study description report time-resolved observations of laser ablation of silver in water and nanoparticle formation in cavitation bubbles. Searches for external magnetic, electric, or temperature fields and shape control found no passage addressing those claims; laser-induced heating is not an externally applied temperature field. Our copy provides no page numbers for these passages. (LLM, conf=0.75)

    Experimental — accuracy not yet measured

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Authors
Tsuji, T., Okazaki, Y., Tsuboi, Y., & Tsuji, M.
Affiliations
  • Kyushu University (JP)
  • Hokkaido University (JP)
Venue
Japanese Journal of Applied Physics
Published
2007-04-01
Volume
46
Issue
4R
Pages
1533
ISSN
  • 0021-4922 (ISSN-L)
  • 1347-4065
OpenAlex
W2045674514
Cited by
120
References
24
Citations by year
2025: 1 · 2024: 9 · 2023: 4 · 2022: 5 · 2021: 6 · 2020: 9 · 2019: 7 · 2018: 6 · 2017: 8 · 2016: 9 · 2015: 13 · 2014: 3 · 2013: 7 · 2012: 10
FWCI
4.78
Type
journal article
Language
en
Open access
Locations
Japanese Journal of Applied Physics (publishedVersion)
Funders
  • National Institute of Advanced Industrial Science and Technology
  • Ministry of Education, Culture, Sports, Science and Technology
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Laser-Ablation Synthesis of Nanoparticles
  • Physical Sciences › Engineering › Computational Mechanics › Laser Material Processing Techniques
  • Physical Sciences › Engineering › Mechanics of Materials › Laser-induced spectroscopy and plasma
Keywords
laser ablation, silver nanoparticles, water, cavitation bubbles, shock waves, nanoparticle formation, optical emission spectra, bremsstrahlung, electron-ion recombination, nanoparticle confinement

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