About: Influence of calcination temperature on the photoelectrochemical and photocatalytic properties of porous TiO2 films electrodeposited from Ti(IV)-alkoxide solution     Goto   Sponge   NotDistinct   Permalink

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  • Hybridní filmy TiO2/benzochinon byly anodicky elektrodeponovány z bazických roztoků alkoxidu Ti(IV)obsahujících hydrochinon. Filmy byly kalcinovány při teplotách 350 až 550 °C a detailně charakterizovány se zřetelem na aplikace jako fotokatalyzátory a elektrody v solárních článcích. Thermogravimetrická a diferenciální termální analýza , in situ roentgenová difrakce a transmisní elektronová mikroskopie ukázaly, že benzochinon byl odstraněn při teplotě 350 a 400 °C, kdy rovněž začíná krystalizace TiO2. S dalším zvyšováním kalcinační teploty dochází ke růstu krystalinity a velikosti částic. Specifická plocha povrchu klesá kvůli zvyšování velikosti pórů, jak bylo potvrzeno adsorpcí kryptonu. V solárních článcích vyšší krystalinita, dosažená kalcinaci do 500 °C, vede ke zlepšení účinnosti hlavně díky zlepšené adsorpci. Všechny filmy vykazují účinný sběr elektronů, jak bylo zjištěno intensity molulovanými fotoelektrochemickými technikami. (cs)
  • TiO2/benzoquinone hybrid films have been electrodeposited anodically from basic Ti(IV)-alkoxide solutions containing hydroquinone. The films were calcined at different temperatures between 350 and 550 degrees C and investigated in view of applications as photocatalyst and in dye-sensitized solar cells. Thermogravimetry analysis, differential thermo analysis, in situ X-ray diffraction, and transmission electron microscopy show the removal of the benzoquinone and starting crystallization of the TiO2 between 350 and 400 degrees C, followed by a further increase in the crystallinity and particle size with increasing calcination temperature, while the specific surface area is decreased due to an increasing pore size as confirmed by Kr adsorption measurements. In dye-sensitized solar cells, the higher crystallinity leads to an improved performance mainly due to improved adsorption of sensitizer dyes up to calcination temperatures of 500 degrees C, ...
  • TiO2/benzoquinone hybrid films have been electrodeposited anodically from basic Ti(IV)-alkoxide solutions containing hydroquinone. The films were calcined at different temperatures between 350 and 550 degrees C and investigated in view of applications as photocatalyst and in dye-sensitized solar cells. Thermogravimetry analysis, differential thermo analysis, in situ X-ray diffraction, and transmission electron microscopy show the removal of the benzoquinone and starting crystallization of the TiO2 between 350 and 400 degrees C, followed by a further increase in the crystallinity and particle size with increasing calcination temperature, while the specific surface area is decreased due to an increasing pore size as confirmed by Kr adsorption measurements. In dye-sensitized solar cells, the higher crystallinity leads to an improved performance mainly due to improved adsorption of sensitizer dyes up to calcination temperatures of 500 degrees C, ... (en)
Title
  • Influence of calcination temperature on the photoelectrochemical and photocatalytic properties of porous TiO2 films electrodeposited from Ti(IV)-alkoxide solution
  • Vliv teploty kalcinace na fotoelektrochemické a fotokatalytické vlastnosti porézních TiO2 filmů elektrodeponovaných z roztoků Ti(IV) alkoxidů (cs)
  • Influence of calcination temperature on the photoelectrochemical and photocatalytic properties of porous TiO2 films electrodeposited from Ti(IV)-alkoxide solution (en)
skos:prefLabel
  • Influence of calcination temperature on the photoelectrochemical and photocatalytic properties of porous TiO2 films electrodeposited from Ti(IV)-alkoxide solution
  • Vliv teploty kalcinace na fotoelektrochemické a fotokatalytické vlastnosti porézních TiO2 filmů elektrodeponovaných z roztoků Ti(IV) alkoxidů (cs)
  • Influence of calcination temperature on the photoelectrochemical and photocatalytic properties of porous TiO2 films electrodeposited from Ti(IV)-alkoxide solution (en)
skos:notation
  • RIV/61388955:_____/08:00314373!RIV09-AV0-61388955
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika
  • 39
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 372051
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/08:00314373
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • sensitized solar cells; hybrid thin films; zinc oxide films (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [A7E81DF79C68]
http://linked.open...i/riv/nazevZdroje
  • Journal of Physical Chemistry C
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 112
http://linked.open...iv/tvurceVysledku
  • Rathouský, Jiří
  • Wark, M.
  • Wessels, K.
  • Minnermann, M.
  • Oekermann, T.
http://linked.open...n/vavai/riv/zamer
issn
  • 1932-7447
number of pages
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