About: Photocurrents and degradation rates on particulate TiO2 layers. Effect of layer thickness, concentration of oxidizable substance and illumination direction     Goto   Sponge   NotDistinct   Permalink

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Description
  • Byly srovnány různé postupy nanesení TiO2 na vodivé podložky za účelem nalezení aktivního a stabilního fotokatalyzátoru, který bude pracovat jednak při otevřeném obvodu (fotokatalýza) nebo při aplikovaném elektrickém potenciálu (fotoelektrokatalýza). Byla sledována výhoda vložení elektrického potenciálu. Měření polarizačních křivek a fotoelektrochemické degradace sloužilo k charakterizaci katalyzátorů a nalezení optimálních podmínek syntézy. Opakované experimenty degradace sloužily ke stanovení stability katalyzátoru. (cs)
  • Different routes for immobilization of TiO2 on conducting substrates were compared to find active and stable photocatalysts, which could either be operated in open circuit (photocatalysis) or with applied electric potential (photoelectrocatalysis). The advantage of applying an electric potential was investigated. Polarization curves and photoelectrochemical degradation reactions served to characterize catalysts and to find a way of predicting the optimum synthesis conditions. The difference between front side (EE) and back side (SE) illumination is discussed as a function of layer thickness, as well as the influence of oxidizable substance concentration on photocurrents. Stability of catalysts was investigated in repetitive degradation experiments.
  • Different routes for immobilization of TiO2 on conducting substrates were compared to find active and stable photocatalysts, which could either be operated in open circuit (photocatalysis) or with applied electric potential (photoelectrocatalysis). The advantage of applying an electric potential was investigated. Polarization curves and photoelectrochemical degradation reactions served to characterize catalysts and to find a way of predicting the optimum synthesis conditions. The difference between front side (EE) and back side (SE) illumination is discussed as a function of layer thickness, as well as the influence of oxidizable substance concentration on photocurrents. Stability of catalysts was investigated in repetitive degradation experiments. (en)
Title
  • Photocurrents and degradation rates on particulate TiO2 layers. Effect of layer thickness, concentration of oxidizable substance and illumination direction
  • Fotoproudy a degradační rychlosti na částicových TiO2 vrstvách. Vliv tloušťky vrstvy, koncentrace oxidovatelné látky a směru ozařování. (cs)
  • Photocurrents and degradation rates on particulate TiO2 layers. Effect of layer thickness, concentration of oxidizable substance and illumination direction (en)
skos:prefLabel
  • Photocurrents and degradation rates on particulate TiO2 layers. Effect of layer thickness, concentration of oxidizable substance and illumination direction
  • Fotoproudy a degradační rychlosti na částicových TiO2 vrstvách. Vliv tloušťky vrstvy, koncentrace oxidovatelné látky a směru ozařování. (cs)
  • Photocurrents and degradation rates on particulate TiO2 layers. Effect of layer thickness, concentration of oxidizable substance and illumination direction (en)
skos:notation
  • RIV/60461373:22310/05:00013955!RIV06-MSM-22310___
http://linked.open.../vavai/riv/strany
  • 4498-4504
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1M0577)
http://linked.open...iv/cisloPeriodika
  • 22
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
  • 535924
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22310/05:00013955
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • photoelectrocatalysis; IPCE, quantum yield; oxalic acid; 4CP (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [9EE7ABA309E6]
http://linked.open...i/riv/nazevZdroje
  • Electrochimica Acta
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...v/svazekPeriodika
  • 50
http://linked.open...iv/tvurceVysledku
  • Krýsa, Josef
  • Waldner, G.
issn
  • 0013-4686
number of pages
http://localhost/t...ganizacniJednotka
  • 22310
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