About: Preparation of Ag nanoparticles by two wavelengths laser ablation and fragmentation.

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About: Preparation of Ag nanoparticles by two wavelengths laser ablation and fragmentation. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The work is focused on the refinement of the laser ablation method for a nanosized silver colloid preparation with regards to the nanoparticle size distribution, as well as to the reproducibility and stability of the ablated hydrosol. In the adopted procedure, additionally to the variation of the laser pulse energy, beam focusation and duration of laser ablation, we developed a technique based on further fragmentation of the ablated colloid solution by subsequent treatment with the 1064 and 532 nm nanosecond laser pulses. The method yields redistribution of nanoparticle diameters to a smaller mean size, as it was observed by transmission electron microscopy, quasielastic light scattering studies and surface plasmon (SP) optical extinction. It was shown that a similar fragmentation procedure is also effective in reduction of nanoparticle size and polydispersity of silver hydrosol prepared by routine chemical procedures and leads to a narrower SP extinction profile. The work is focused on the refinement of the laser ablation method for a nanosized silver colloid preparation with regards to the nanoparticle size distribution, as well as to the reproducibility and stability of the ablated hydrosol. In the adopted procedure, additionally to the variation of the laser pulse energy, beam focusation and duration of laser ablation, we developed a technique based on further fragmentation of the ablated colloid solution by subsequent treatment with the 1064 and 532 nm nanosecond laser pulses. The method yields redistribution of nanoparticle diameters to a smaller mean size, as it was observed by transmission electron microscopy, quasielastic light scattering studies and surface plasmon (SP) optical extinction. It was shown that a similar fragmentation procedure is also effective in reduction of nanoparticle size and polydispersity of silver hydrosol prepared by routine chemical procedures and leads to a narrower SP extinction profile. (en)
Title	Preparation of Ag nanoparticles by two wavelengths laser ablation and fragmentation. Preparation of Ag nanoparticles by two wavelengths laser ablation and fragmentation. (en)
skos:prefLabel	Preparation of Ag nanoparticles by two wavelengths laser ablation and fragmentation. Preparation of Ag nanoparticles by two wavelengths laser ablation and fragmentation. (en)
skos:notation	RIV/61389013:_____/03:55033327!RIV/2004/AV0/A55004/N
http://linked.open.../vavai/riv/strany	198;205
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/00/1152), P(GA203/01/1013), Z(AV0Z4050913)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Šlouf, Miroslav Pfleger, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	622705
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/03:55033327
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	laser ablation; surface-enhanced Raman scattering spectroscopy; silver nanoparticles (en)
http://linked.open.../riv/klicoveSlovo	laser ablation silver nanoparticles surface-enhanced Raman scattering spectroscopy
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[2C028A177756]
http://linked.open...i/riv/nazevZdroje	Proceedings of SPIE
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Structure to functional properties relationship in photo-electrically active p-conjugated polymers Development of SERS and SERRS spectral probes based on metal nanoparticle assemblies
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	122
http://linked.open...iv/tvurceVysledku	Pfleger, Jiří Šlouf, Miroslav Šmejkal, P. Vlčková, B.
http://linked.open...n/vavai/riv/zamer	Cílená syntéza a studium chemických, fyzikálně-chemických a fyzikálních vlastností makromolekulárních a nadmolekulárních látek a soustav pro vyspělé technologie
issn	0277-786X
number of pages	8 (xsd:int)

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