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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F12%3A33142231%21RIV13-MSM-15310___
rdf:type
skos:Concept n7:Vysledek
dcterms:description
The photoinduced self-cleaning and super-hydrophilic properties of titania (TiO2) coated glasses are considered to be utilized in many applications. The photocatalytic activity of titania is inherent to the glass composition and to the deposition method. Particularly sodium ions diffused to the titania film from the substrate have tremendous impact on its crystallinity. The deposition method influences surface, structure, and the density of the film. This study aims to provide new findings regarding the mechanism of crystallization of sol-gel synthesized titania and its thin films deposited by means of two different methods (dip-coating and spin-coating) onto the glass substrate with a high content of sodium ions (soda-lime glass) and without sodium ions (quartz glass). The main attention is devoted to Raman spectroscopy and Raman point-to-point mapping of the films. The content and the chemical state of the sodium ions were judged using the XPS. It is shown that the dip-coating method led to dense compact material. In this case the crystallization is localized in randomly distributed centers of nucleation. Contrary the spin-coated samples embodied a web-like pattern of cracks, from which the crystallization proceeds throughout the film. Additionally SEM, AFM, XRD, GDS, UV-VIS methods were performed to support the results. The photoinduced self-cleaning and super-hydrophilic properties of titania (TiO2) coated glasses are considered to be utilized in many applications. The photocatalytic activity of titania is inherent to the glass composition and to the deposition method. Particularly sodium ions diffused to the titania film from the substrate have tremendous impact on its crystallinity. The deposition method influences surface, structure, and the density of the film. This study aims to provide new findings regarding the mechanism of crystallization of sol-gel synthesized titania and its thin films deposited by means of two different methods (dip-coating and spin-coating) onto the glass substrate with a high content of sodium ions (soda-lime glass) and without sodium ions (quartz glass). The main attention is devoted to Raman spectroscopy and Raman point-to-point mapping of the films. The content and the chemical state of the sodium ions were judged using the XPS. It is shown that the dip-coating method led to dense compact material. In this case the crystallization is localized in randomly distributed centers of nucleation. Contrary the spin-coated samples embodied a web-like pattern of cracks, from which the crystallization proceeds throughout the film. Additionally SEM, AFM, XRD, GDS, UV-VIS methods were performed to support the results.
dcterms:title
Raman spectroscopy of dip-coated and spin-coated sol-gel TiO2 thin films on different types of glass substrate Raman spectroscopy of dip-coated and spin-coated sol-gel TiO2 thin films on different types of glass substrate
skos:prefLabel
Raman spectroscopy of dip-coated and spin-coated sol-gel TiO2 thin films on different types of glass substrate Raman spectroscopy of dip-coated and spin-coated sol-gel TiO2 thin films on different types of glass substrate
skos:notation
RIV/61989592:15310/12:33142231!RIV13-MSM-15310___
n7:predkladatel
n8:orjk%3A15310
n3:aktivita
n16:I n16:P
n3:aktivity
I, P(ED2.1.00/03.0058), P(EE2.3.20.0017), P(GAP108/12/1941), P(GAP108/12/2104), P(TA01010517)
n3:cisloPeriodika
3
n3:dodaniDat
n10:2013
n3:domaciTvurceVysledku
n17:8817731 n17:9773185
n3:druhVysledku
n12:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
164028
n3:idVysledku
RIV/61989592:15310/12:33142231
n3:jazykVysledku
n13:eng
n3:klicovaSlova
Spin-coating; Dip-coating; Sol-gel; Glass substrate; Raman mapping; Na+ ions; TiO2 thin films
n3:klicoveSlovo
n5:Spin-coating n5:Sol-gel n5:Raman%20mapping n5:TiO2%20thin%20films n5:Dip-coating n5:Na%2B%20ions n5:Glass%20substrate
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[3AEE18FB17C6]
n3:nazevZdroje
Journal of Sol-Gel Science and Technology
n3:obor
n15:BH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
11
n3:projekt
n18:TA01010517 n18:GAP108%2F12%2F1941 n18:ED2.1.00%2F03.0058 n18:GAP108%2F12%2F2104 n18:EE2.3.20.0017
n3:rokUplatneniVysledku
n10:2012
n3:svazekPeriodika
63
n3:tvurceVysledku
Sajdl, P. Novotná, P. Kmentová, H. Brunclíková, M. Hrabovský, Miroslav Krýsa, J. Jastrabík, L. Kment, Štěpán Dejneka, A. Gregora, I. Hubička, Z.
n3:wos
000310162700003
s:issn
0928-0707
s:numberOfPages
13
n9:doi
10.1007/s10971-012-2787-6
n19:organizacniJednotka
15310