Structure and Properties of Nanoparticles Fabricated by Laser Ablation of Bulk Metal Copper Targets in Water and Ethanol

Colloidal solutions of nanoparticles (NPs) are prepared by nanosecond pulsed laser ablation (upon exposure to Nd:YAG laser radiation at a wavelength of 1064 nm with a pulse duration of 7 ns) of a copper target in water and ethyl alcohol. Their composition, structure, and optical properties are inves...

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Veröffentlicht in:	Russian physics journal 2017-11, Vol.60 (7), p.1197-1205
Hauptverfasser:	Goncharova, D. A., Lapin, I. N., Savelyev, E. S., Svetlichnyi, V. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	ABLATION Analysis COLLOIDS Condensed Matter Physics COPPER COPPER OXIDES ETHANOL Hadrons Heavy Ions Laser ablation LASER RADIATION Lasers Mathematical and Computational Physics NANOPARTICLES NANOSCIENCE AND NANOTECHNOLOGY NEODYMIUM LASERS NONLINEAR PROBLEMS Nuclear Physics Optical Devices OPTICAL PROPERTIES Optics Optics and Spectroscopy Photonics Physics Physics and Astronomy Pulse duration PULSED IRRADIATION Pulsed lasers Semiconductor lasers Theoretical WATER WAVELENGTHS YAG lasers
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Zusammenfassung:	Colloidal solutions of nanoparticles (NPs) are prepared by nanosecond pulsed laser ablation (upon exposure to Nd:YAG laser radiation at a wavelength of 1064 nm with a pulse duration of 7 ns) of a copper target in water and ethyl alcohol. Their composition, structure, and optical properties are investigated. It is shown that monovalent Cu 2 O NPs are mainly formed in water, whereas metal Cu NPs are mainly formed in ethanol. The nonlinear transmission of colloids at wavelengths of 532 and 1064 nm is investigated. It is established that they effectively limit the nanosecond laser pulse power at a wavelength of 532 nm.
ISSN:	1064-8887 1573-9228
DOI:	10.1007/s11182-017-1195-3