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Mesoporous films of TiO2 as efficient photocatalysts for the purification of water

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F11%3A00348665" target="_blank" >RIV/61388955:_____/11:00348665 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1039/C0PP00185F" target="_blank" >http://dx.doi.org/10.1039/C0PP00185F</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1039/C0PP00185F" target="_blank" >10.1039/C0PP00185F</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mesoporous films of TiO2 as efficient photocatalysts for the purification of water

  • Original language description

    Variably thick mesoporous TiO2 films were prepared by alternately dip- and spray-coating using sol containing titanium(IV) alkoxide, concentrated HCl and suitable block-copolymer as a structure directing agent. The film thickness was controlled by varying the number of deposited layers. Their porosity was homogeneous: surface area and pore volume increased linearly with increasing number of deposited layers. Photoactivity of the films was tested employing photocatalytic degradation of 104 M 4-chlorophenol in a 60 mL photoreactor under UV irradiation at 365 nm. The incident light intensity was 1 mW cm2. The degradation rate constants increased with increasing number of layers, proportional to their absorbances. However, the progressive improvement of the photocatalytic performance slightly decreased with the increasing number of layers. The spray-coating layers exhibited lower photocatalytic performance due to their smaller thicknesses.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Photochemical & Photobiological Sciences

  • ISSN

    1474-905X

  • e-ISSN

  • Volume of the periodical

    10

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    FR - FRANCE

  • Number of pages

    6

  • Pages from-to

    419-424

  • UT code for WoS article

    000287934400015

  • EID of the result in the Scopus database