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Photocatalytic concrete screeds with self-cleaning and antimicrobial function
- 1.0540300 - ÚFCH JH 2021 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Bíbová, Hana - Šubrt, Jan - Pližingrová, Eva - Jakubičková, M. - Sázavská, T. - Dohnálek, P. - Hykrdová, Lenka - Jirkovský, Jaromír
Photocatalytic concrete screeds with self-cleaning and antimicrobial function.
NANOCON 2019. Conference Proceedings International Conference on Nanomaterials. Ostrava: TANGER Ltd., 2020, 2020-October (2020), s. 157-162. ISBN 978-80-87294-95-6. ISSN 2694-930X.
[International Conference on Nanomaterials - Research and Application, NANOCON 2019 /11./. Brno (CZ), 16.10.2019-18.10.2019]
Grant CEP: GA MŠMT(CZ) LM2015073; GA MPO(CZ) FV20234
Institucionální podpora: RVO:61388955 ; RVO:61388980
Klíčová slova: Antimicrobial activity * NOx * Photodegradation * Self-cleaning screed * sem
Obor OECD: Physical chemistry; Inorganic and nuclear chemistry (UACH-T)
Photocatalytic concrete screeds with self-cleaning and antimicrobial function have been developed and tested. These building materials contain sand grains with deposited composite TiO2/SiO2 layers. Two types of the screeds, grey and white, were prepared and their photoactivity and material characteristics were compared. Commercial TiO2 photocatalysts from several manufacturers were employed. Effects of different parameters, such as temperature of the coated sand calcination, humidity, and surface abrasion, were followed. Mechanical properties of the screeds were analyzed by SEM/XRD microscopy. Photocatalytic activity was tested by means of NOx oxidation (ISO norm 22197-1/2007). Antibacterial activity was evaluated by modified ISO norm 27447/2009 with Bacillus subtilis as a model organism.
Trvalý link: http://hdl.handle.net/11104/0317944
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