About: Third-order nonlinear optical response and optical limiting of colloidal carbon dots

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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
rdfs:seeAlso	http://www.opticsinfobase.org/oe/fulltext.cfm?uri=oe-22-10-12013&id=284549
Description	In this work, the nonlinear optical response of some organophilic and hydrophilic carbon dots derived from gallate precursors is studied under 4 ns and 35 ps, visible (532 nm) and infrared (1064 nm) laser excitation conditions by the Z-scan technique. The prepared carbon dots were found to exhibit considerable nonlinear optical response in the visible, the organophilic ones exhibiting stronger response in the infrared and, in general, significantly larger response than their hydrophilic counterparts. In all cases, the corresponding nonlinear optical parameters have been determined. In particular, it was found that both carbon dots exhibited important negative nonlinear refractivity, under all excitation conditions tried, corresponding to self-defocusing, while negligible nonlinear absorption was found in the ps regime. Oppositely, both types of carbon dots were found to exhibit sizeable nonlinear absorption under ns excitation, indicating their potential for optical limiting applications. The present results are discussed and compared with other results concerning similar carbon based nanostructures reported in the literature. In this work, the nonlinear optical response of some organophilic and hydrophilic carbon dots derived from gallate precursors is studied under 4 ns and 35 ps, visible (532 nm) and infrared (1064 nm) laser excitation conditions by the Z-scan technique. The prepared carbon dots were found to exhibit considerable nonlinear optical response in the visible, the organophilic ones exhibiting stronger response in the infrared and, in general, significantly larger response than their hydrophilic counterparts. In all cases, the corresponding nonlinear optical parameters have been determined. In particular, it was found that both carbon dots exhibited important negative nonlinear refractivity, under all excitation conditions tried, corresponding to self-defocusing, while negligible nonlinear absorption was found in the ps regime. Oppositely, both types of carbon dots were found to exhibit sizeable nonlinear absorption under ns excitation, indicating their potential for optical limiting applications. The present results are discussed and compared with other results concerning similar carbon based nanostructures reported in the literature. (en)
Title	Third-order nonlinear optical response and optical limiting of colloidal carbon dots Third-order nonlinear optical response and optical limiting of colloidal carbon dots (en)
skos:prefLabel	Third-order nonlinear optical response and optical limiting of colloidal carbon dots Third-order nonlinear optical response and optical limiting of colloidal carbon dots (en)
skos:notation	RIV/61989592:15310/14:33151725!RIV15-MSM-15310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0058)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Zbořil, Radek Bourlinos, Athanasios
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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	50442
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/14:33151725
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	power; nanodots; absorption; nanocrystals; water; graphene; suspensions; photoluminescence; nanoparticles; quantum dots (en)
http://linked.open.../riv/klicoveSlovo	nanodots absorption nanocrystals nanoparticles photoluminescence power graphene suspensions water quantum dots
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[16A53AD8EEC9]
http://linked.open...i/riv/nazevZdroje	Optics Express
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional Centre of Advanced Technologies and Materials
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	22
http://linked.open...iv/tvurceVysledku	Zbořil, Radek Bourlinos, Athanasios Couris, Stelios Aloukos, Panagiotis Papagiannouli, Irini
http://linked.open...ain/vavai/riv/wos	000336957700062
issn	1094-4087
number of pages	15 (xsd:int)
http://bibframe.org/vocab/doi	10.1364/OE.22.012013
http://localhost/t...ganizacniJednotka	15310

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