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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F14%3A33152221%21RIV15-MSM-15310___
rdf:type
n15:Vysledek skos:Concept
rdfs:seeAlso
http://www.waset.org/publications/9998449
dcterms: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.
dcterms:title
Polyacrylate Modified Copper Nanoparticles with Controlled size Polyacrylate Modified Copper Nanoparticles with Controlled size
skos:prefLabel
Polyacrylate Modified Copper Nanoparticles with Controlled size Polyacrylate Modified Copper Nanoparticles with Controlled size
skos:notation
RIV/61989592:15310/14:33152221!RIV15-MSM-15310___
n3:aktivita
n7:S n7:P
n3:aktivity
P(EE2.3.20.0056), S
n3:cisloPeriodika
6
n3:dodaniDat
n5:2015
n3:domaciTvurceVysledku
n8:1733028 n8:9251189 n8:7621175 n8:5207193 n8:5892961
n3:druhVysledku
n13:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
37390
n3:idVysledku
RIV/61989592:15310/14:33152221
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Catalysis; Controlled growth; Stabilization; Polyacrylate; Copper Nanoparticles
n3:klicoveSlovo
n12:Catalysis n12:Stabilization n12:Controlled%20growth n12:Polyacrylate n12:Copper%20Nanoparticles
n3:kodStatuVydavatele
TR - Turecká republika
n3:kontrolniKodProRIV
[801F6C286141]
n3:nazevZdroje
International Journal of Chemical, Nuclear, Metallurgical and Materials Engineering
n3:obor
n11:CF
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n10:EE2.3.20.0056
n3:rokUplatneniVysledku
n5:2014
n3:svazekPeriodika
8
n3:tvurceVysledku
Zbořil, Radek Kvítek, Libor Prucek, Robert Panáček, Aleš Filip, Jan
s:issn
1307-6892
s:numberOfPages
7
n17:organizacniJednotka
15310