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Description
  • In this work we investigate influence of an externally applied bias on the photocatalytic performance of self-organized TiO2 nanotube layers. These layers were grown by anodization of titanium in fluoride containing electrolytes and have different geometric dimensions. Since the layers are grown directly on the Ti substrate, a very good electrical backside contact is directly provided. Therefore, we use the nanotube layers/Ti structures as photo-anodes for the UV light induced photocatalytic decomposition of acid orange 7. For comparison, we use TiO2 nanopowder (Degussa P25) compacted also on a Ti sheet. The present results demonstrate that the photocatalytic activity of self-organized TiO2 nanotube layers can significantly be increased by electrochemical bias.
  • In this work we investigate influence of an externally applied bias on the photocatalytic performance of self-organized TiO2 nanotube layers. These layers were grown by anodization of titanium in fluoride containing electrolytes and have different geometric dimensions. Since the layers are grown directly on the Ti substrate, a very good electrical backside contact is directly provided. Therefore, we use the nanotube layers/Ti structures as photo-anodes for the UV light induced photocatalytic decomposition of acid orange 7. For comparison, we use TiO2 nanopowder (Degussa P25) compacted also on a Ti sheet. The present results demonstrate that the photocatalytic activity of self-organized TiO2 nanotube layers can significantly be increased by electrochemical bias. (en)
  • V této práci jsme se zabývali vlivem vkládaného napětí na fotokatalytické vlastnosti vrstev tvořených samoorganizovanými nanotrubičkami TiO2. Tyto vrstvy byly připraveny anodickou oxidací titanu v elektrolytu obsahujícím fluoridy. Byly připraveny dvě různé vrstvy lišící se geometrií nanotrubiček. Protože byly vrstvy připraveny přímo z titanu, je zaručen dobrý kontakt jejich zadní stěny podkladem. Tyto vrstvy nanotrubiček na titanu jsme použili jako foto-anody pro fotokatalytický rozklad acid oranže 7 iniciovaný UV světlem. Pro srovnání jsme použili nanoprášek TiO2 (Degussa P25) nanesený na titanu. Z výsledků je patrné, že fotokatalytická aktivita vrstev tvořených samoorganizovanými nanotrubičkami TiO2 může být významně zvýšena vložením vnějšího napětí. (cs)
Title
  • Electrochemically Assisted Photocatalysis on Self-Organized TiO2 nanotubes
  • Electrochemically Assisted Photocatalysis on Self-Organized TiO2 nanotubes (en)
  • Elektrochemicky asistovaná fotokatalýza na samoorganizovaných nanotrubičkách TiO2 (cs)
skos:prefLabel
  • Electrochemically Assisted Photocatalysis on Self-Organized TiO2 nanotubes
  • Electrochemically Assisted Photocatalysis on Self-Organized TiO2 nanotubes (en)
  • Elektrochemicky asistovaná fotokatalýza na samoorganizovaných nanotrubičkách TiO2 (cs)
skos:notation
  • RIV/60461373:22310/07:00018684!RIV08-MSM-22310___
http://linked.open.../vavai/riv/strany
  • 2822-2826
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1M0577)
http://linked.open...iv/cisloPeriodika
  • 9
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
  • 419718
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22310/07:00018684
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Titanium dioxide; nanotube; photocatalysis; BIAS (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • BE - Belgické království
http://linked.open...ontrolniKodProRIV
  • [968487B96D09]
http://linked.open...i/riv/nazevZdroje
  • Electrochemistry Communications
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Krýsa, Josef
  • Macák, Jan
  • Zlámal, Martin
  • Schmuki, P.
issn
  • 1388-2481
number of pages
http://localhost/t...ganizacniJednotka
  • 22310
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