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    Self cleaning and depolluting glass reinforced concrete panels: Fabrication, optimization and durability evaluation

    Year: 2018

    Journal: Constr. Build. Mater., Volume 162, FEB 20, page 9–19

    Authors: Garcia, L. D.; Pastor, J. M.; Pena, J.

    Organizations: Junta de Comunidades de Castilla-La Mancha through the IDREU [PPII-2014-029-P]

    Keywords: Photocatalysis; Micro-TiO2; Pollutant removal; Air-purification; Facades; Composites; Durability

    The introduction of titanium dioxide within glass reinforced concrete panels is optimized in order to fabricate commercially affordable photocatalytic facades. A double projection method, easily scalable, that facilitates the concentration of the anatase on the surface, is developed. The so obtained materials show superior self-cleaning and NO. degradation capacities to those samples prepared by a single projection starting from the same amounts of titanium oxide. TiO2 percentages over a 5% ensure self-cleaning abilities that remain over the standardized thresholds even for aged panels, whereas their NO. photocatalytic capacity slightly decreases as a consequence of the aging treatment. (C) 2017 Elsevier Ltd. All rights reserved.
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