Dynamic of formation and decay of supercritical fluid colloid of silver in the conditions of pulse laser ablation

2014, №3

сс. 55-65

N.V. Minaev, V.G. Arakcheev, A.O. Rybaltovskii, V.V. Firsov, V.N. Bagratashvili

Key words: SCF colloids, silver nanoparticles, plasmonic resonance

Effects of supercritical carbon dioxide (SC-CO₂) density on the dynamics of formation
of supercritical fluid (SCF) colloids of silver in the course of pulse laser ablation and
their post-pulse degradation are studied using in situ UV/vis absorption spectroscopy.
Laser irradiation of silver target in SC-CO₂ causes an ablative formation of Ag
nanoparticles of different sizes and shapes, specifically quasi-spherical nanoparticles
(∼4 nm), as well as nanoparticles of larger sizes (hundreds of nanometers). Variations
in the colloid density from 0.24 g/cm³ to 0.82 g/cm³ cause significant changes in the
ablative formation of small and large nanoparticles, in the rate of small particles
aggregation into larger ones, as well as in the rates of gravitation induced sedimentation
of small and large nanoparticles in SCF colloid.

Translated article

doi:10.1134/S1990793115070118

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ГОСТ
7.0.100-2018

Минаев, Н.В. Dynamic of formation and decay of supercritical fluid colloid of silver in the conditions of pulse laser ablation / Н.В. Минаев, В.Г. Аракчеев, А.О. Рыбалтовский [и др.]. – Текст : непосредственный // Сверхкритические Флюиды: Теория и Практика.. – 2014. – Т. 9. – № 3. – С. 55-65.

TRANSLIT

Minaev, N.V. Dinamika formirovaniya i raspada sverhkriticheskogo flyuidnogo kolloida serebra v usloviyah impul'snoj lazernoj ablyacii / N.V. Minaev, V.G. Arakcheev, A.O. Rybaltovskij [i dr.]. – Sverhkriticheskie Flyuidy: Teoriya i Praktika.. – 2014. – Т. 9. – № 3. – S. 55-65.

N.V. Minaev, V.G. Arakcheev, A.O. Rybaltovskii, V.V. Firsov, V.N. Bagratashvili Dynamic of formation and decay of supercritical fluid colloid of silver in the conditions of pulse laser ablation. Sverhkriticheskie Flyuidy: Teoriya i Praktika, 3, 55-65 (2014). https://doi.org/

Dynamic of formation and decay of supercritical fluid colloid of silver in the conditions of pulse laser ablation

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