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Description
  • Práce se zabývala fotokatalytickými vlastnostmi nanotrubiček TiO2. Trubičky vyrostly během anodické oxidace titanu v elektrolytu kontaminovaném fluoridy. Trubičky mají průměr okolo 100 nm, tloušťka stěn okolo 15 nm a délka okolo 500 a 2500 nm. Vzorky nanotrubiček byly vypalovány na vzduchu při teplotě 450 °C, získaná krystalografická struktura byl následně anatas. Vlastnosti vrstev byly zjišťovány v porovnání s kompaktními TiO2 filmy a porézními částicovými vrstvami TiO2. (cs)
  • The present work deals with the photocatalytic properties of self-organized TiO2 nanotubes. The tubes were grown by anodic oxidation of titanium in fluoride containing electrolytes (1M Na2SO4 and H2SO4 with NaF or HF). The electrochemical treatment consisted of a potential ramp (100 mV/s) from open-circuit potential to 20 V, followed by holding at a constant potential of 20 V for 2 hours. Tubes have a diameter of approx. 100 nm, wall thickness of 15 nm and length of 500 nm (?short? nanotubes ? Fig.1a) and 2500 nm (?long? nanotubes ? Fig. 1b). The samples of nanotubes layers were annealed in air at 450 °C to form anatase. For comparison compact TiO2 films (prepared by anodic oxidation in 1 M H2SO4) and porous particulate P25 films were used.
  • The present work deals with the photocatalytic properties of self-organized TiO2 nanotubes. The tubes were grown by anodic oxidation of titanium in fluoride containing electrolytes (1M Na2SO4 and H2SO4 with NaF or HF). The electrochemical treatment consisted of a potential ramp (100 mV/s) from open-circuit potential to 20 V, followed by holding at a constant potential of 20 V for 2 hours. Tubes have a diameter of approx. 100 nm, wall thickness of 15 nm and length of 500 nm (?short? nanotubes ? Fig.1a) and 2500 nm (?long? nanotubes ? Fig. 1b). The samples of nanotubes layers were annealed in air at 450 °C to form anatase. For comparison compact TiO2 films (prepared by anodic oxidation in 1 M H2SO4) and porous particulate P25 films were used. (en)
Title
  • Photocatalytic properties of self-organized titanium dioxide nanotubes
  • Fotokatalytické vlastnosti nanotrubiček TiO2 (cs)
  • Photocatalytic properties of self-organized titanium dioxide nanotubes (en)
skos:prefLabel
  • Photocatalytic properties of self-organized titanium dioxide nanotubes
  • Fotokatalytické vlastnosti nanotrubiček TiO2 (cs)
  • Photocatalytic properties of self-organized titanium dioxide nanotubes (en)
skos:notation
  • RIV/60461373:22310/08:00020353!RIV09-MSM-22310___
http://linked.open...avai/riv/aktivita
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  • P(1M0577)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 386522
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22310/08:00020353
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  • photocatalysis; nanotubes; titanium dioxide; acid orange 7 (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [1592AA02AD07]
http://linked.open...v/mistoKonaniAkce
  • Gabčíkovo
http://linked.open...i/riv/mistoVydani
  • Bratislava
http://linked.open...i/riv/nazevZdroje
  • Zborník príspevkov Pokroky v anorganickej technologii
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
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  • Krýsa, Josef
  • Schmuki, P.
  • Zlámal, M.
  • Macák, M.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
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  • Slovenská technická univerzita v Bratislave
https://schema.org/isbn
  • 978-80-227-2866-9
http://localhost/t...ganizacniJednotka
  • 22310
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