Paper
5 January 2017 Influence of the liquid level and ablation process duration on the characteristics of nanostructures created by nanosecond laser ablation of Ag in water
A. S. Nikolov, R. G. Nikov, N. N. Nedyalkov, P. A. Atanasov, M. T. Alexandrov, D. B. Karashanova, N. E. Marinkov, I. Z. Dimitrov, I. I. Boevski, A. Visan, I. N. Mihailescu
Author Affiliations +
Proceedings Volume 10226, 19th International Conference and School on Quantum Electronics: Laser Physics and Applications; 102260C (2017) https://doi.org/10.1117/12.2262450
Event: International Conference and School on Quantum Electronics "Laser Physics and Applications" - ICSQE 2016, 2016, Sozopol, Bulgaria
Abstract
Nanosecond pulsed laser ablation of a Ag target in water was applied to prepare noble metal nanoparticles. The fundamental (λ = 1064 nm) wavelength and the second harmonic (λSHG = 532 nm) of a Nd-YAG laser system were used for the fabrication procedure. The effect of the liquid level over the target surface on the characteristics of the nanoparticles was investigated using four different values (5, 8, 16, 29 mm). The liquid volume was constant and the duration of the ablation process was 5 min. A second set of experiments were aimed at clarifying the influence of the duration of ablation. The process was interrupted after 5, 10, 15, 20, 25 min and the mass concentration of Ag in the colloid was measured. This enabled us to establish the dependence of the mass concentration of the Ag on the duration of ablation. The profile of the optical extinction spectra of the colloids was helpful in assessing the state of the solid phase and the morphology of the material. Images obtained by transmission electron microscopy were used to visualize the morphology of the nanostructures produced.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. S. Nikolov, R. G. Nikov, N. N. Nedyalkov, P. A. Atanasov, M. T. Alexandrov, D. B. Karashanova, N. E. Marinkov, I. Z. Dimitrov, I. I. Boevski, A. Visan, and I. N. Mihailescu "Influence of the liquid level and ablation process duration on the characteristics of nanostructures created by nanosecond laser ablation of Ag in water", Proc. SPIE 10226, 19th International Conference and School on Quantum Electronics: Laser Physics and Applications, 102260C (5 January 2017); https://doi.org/10.1117/12.2262450
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KEYWORDS
Silver

Laser ablation

Liquids

Water

Nanoparticles

Transmission electron microscopy

Laser scattering

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