About: Polyacrylate Modified Copper Nanoparticles with Controlled size

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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.waset.org/publications/9998449
Description	The preparation of Cu nanoparticles (NPs) through the reduction of copper ions by sodium borohydride in the presence of sodium polyacrylate with a molecular weight of 1200 is reported. Cu NPs were synthesized at a concentration of copper salt equal to 2.5, 5, and 10 mM, and at a molar ratio of copper ions and monomeric unit of polyacrylate equal to 1:2. The as-prepared Cu NPs have diameters of about 2.5-3 nm for copper concentrations of 2.5 and 5 mM, and 6 nm for copper concentration of 10 mM. Depending on the copper salt concentration and concentration of additionally added polyacrylate to Cu particle dispersion, primarily formed NPs grow through the process of aggregation and/or coalescence into clusters and/or particles with a diameter between 20-100 nm. The amount of additionally added sodium polyacrylate influences the stability of Cu particles against air oxidation. The catalytic efficiency of the prepared Cu particles for the reduction of 4-nitrophenol is discussed. The preparation of Cu nanoparticles (NPs) through the reduction of copper ions by sodium borohydride in the presence of sodium polyacrylate with a molecular weight of 1200 is reported. Cu NPs were synthesized at a concentration of copper salt equal to 2.5, 5, and 10 mM, and at a molar ratio of copper ions and monomeric unit of polyacrylate equal to 1:2. The as-prepared Cu NPs have diameters of about 2.5-3 nm for copper concentrations of 2.5 and 5 mM, and 6 nm for copper concentration of 10 mM. Depending on the copper salt concentration and concentration of additionally added polyacrylate to Cu particle dispersion, primarily formed NPs grow through the process of aggregation and/or coalescence into clusters and/or particles with a diameter between 20-100 nm. The amount of additionally added sodium polyacrylate influences the stability of Cu particles against air oxidation. The catalytic efficiency of the prepared Cu particles for the reduction of 4-nitrophenol is discussed. (en)
Title	Polyacrylate Modified Copper Nanoparticles with Controlled size Polyacrylate Modified Copper Nanoparticles with Controlled size (en)
skos:prefLabel	Polyacrylate Modified Copper Nanoparticles with Controlled size Polyacrylate Modified Copper Nanoparticles with Controlled size (en)
skos:notation	RIV/61989592:15310/14:33152221!RIV15-MSM-15310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(EE2.3.20.0056), S
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Panáček, Aleš Kvítek, Libor Prucek, Robert Zbořil, Radek Filip, Jan
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	37390
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/14:33152221
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Catalysis; Controlled growth; Stabilization; Polyacrylate; Copper Nanoparticles (en)
http://linked.open.../riv/klicoveSlovo	Stabilization Catalysis Controlled growth Copper Nanoparticles Polyacrylate
http://linked.open...odStatuVydavatele	TR - Turecká republika
http://linked.open...ontrolniKodProRIV	[801F6C286141]
http://linked.open...i/riv/nazevZdroje	International Journal of Chemical, Nuclear, Metallurgical and Materials Engineering
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Building of research and education team in regional center of advanced technology and materials.
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Filip, Jan Kvítek, Libor Panáček, Aleš Prucek, Robert Zbořil, Radek
issn	1307-6892
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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