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Statements

Subject Item
n2:RIV%2F61388980%3A_____%2F11%3A00372536%21RIV12-AV0-61388980
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Synthesis of magnetically separable photocatalytic active composite gamma-Fe(2)O(3)@TiO(2) is the main objective of this work. In the first step, maghemite nanoparticles were prepared by a precipitation method and consequently covered by the citric acid in order to adjust the zeta-potential of the particle surface. The magnetic carrier was enfolded by TiO(2) via heterogeneous precipitation of TiOSO(4) using urea as a precipitation agent. The procedure was designed to minimize the production costs in order to be easily transferred into the industry scale conserving the high quality of the photoactive product. Nontoxic element oxides were used because of the ecological acceptance. Various methods were employed to characterize and study the intermediate (magnetic nanoparticles) and final materials (TiO(2)-maghemite composite), respectively. Moreover, the influence of the subsequent annealing on the structure, phase composition and properties of the products is discussed. Synthesis of magnetically separable photocatalytic active composite gamma-Fe(2)O(3)@TiO(2) is the main objective of this work. In the first step, maghemite nanoparticles were prepared by a precipitation method and consequently covered by the citric acid in order to adjust the zeta-potential of the particle surface. The magnetic carrier was enfolded by TiO(2) via heterogeneous precipitation of TiOSO(4) using urea as a precipitation agent. The procedure was designed to minimize the production costs in order to be easily transferred into the industry scale conserving the high quality of the photoactive product. Nontoxic element oxides were used because of the ecological acceptance. Various methods were employed to characterize and study the intermediate (magnetic nanoparticles) and final materials (TiO(2)-maghemite composite), respectively. Moreover, the influence of the subsequent annealing on the structure, phase composition and properties of the products is discussed.
dcterms:title
Magnetically separable photocatalytic composite gamma-Fe(2)O(3)@TiO(2) synthesized by heterogeneous precipitation Magnetically separable photocatalytic composite gamma-Fe(2)O(3)@TiO(2) synthesized by heterogeneous precipitation
skos:prefLabel
Magnetically separable photocatalytic composite gamma-Fe(2)O(3)@TiO(2) synthesized by heterogeneous precipitation Magnetically separable photocatalytic composite gamma-Fe(2)O(3)@TiO(2) synthesized by heterogeneous precipitation
skos:notation
RIV/61388980:_____/11:00372536!RIV12-AV0-61388980
n13:predkladatel
n14:ico%3A61388980
n6:aktivita
n9:Z n9:S n9:P
n6:aktivity
P(KAN400100653), P(LC06041), S, Z(AV0Z40320502), Z(MSM0021620834)
n6:cisloPeriodika
11
n6:dodaniDat
n15:2012
n6:domaciTvurceVysledku
n16:2382954 n16:9414401 n16:9286918
n6:druhVysledku
n10:J
n6:duvernostUdaju
n20:S
n6:entitaPredkladatele
n18:predkladatel
n6:idSjednocenehoVysledku
210244
n6:idVysledku
RIV/61388980:_____/11:00372536
n6:jazykVysledku
n12:eng
n6:klicovaSlova
nano composite; oxides; magnetic properties; transmission electron microscopy; X-ray powder diffraction
n6:klicoveSlovo
n11:X-ray%20powder%20diffraction n11:nano%20composite n11:oxides n11:magnetic%20properties n11:transmission%20electron%20microscopy
n6:kodStatuVydavatele
NL - Nizozemsko
n6:kontrolniKodProRIV
[40A22206C1E5]
n6:nazevZdroje
Applied Surface Science
n6:obor
n19:CA
n6:pocetDomacichTvurcuVysledku
3
n6:pocetTvurcuVysledku
6
n6:projekt
n7:LC06041 n7:KAN400100653
n6:rokUplatneniVysledku
n15:2011
n6:svazekPeriodika
257
n6:tvurceVysledku
Nižňanský, D. Vejpravová, J. P. Murafa, Nataliya Roca, A. G. Tyrpekl, Václav Szatmáry, Lórant
n6:wos
000287993900015
n6:zamer
n8:MSM0021620834 n8:AV0Z40320502
s:issn
0169-4332
s:numberOfPages
5
n17:doi
10.1016/j.apsusc.2010.12.110