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Pigmented self-cleaning coatings with enhanced UV resilience via the limitation of photocatalytic activity and its effects

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Abstract

Self-cleaning superhydrophobic surfaces are a highly sought-after class of materials which have the potential to be hugely beneficial to many commercial industries. A prospective application is within the paints and coatings industry. However, photo-degradation of titanium dioxide-based (TiO2) coatings often limits the practical implementation of applied superhydrophobic coatings. Here, we present a facile process for fabricating pigmented superhydrophobic nanomaterials which display excellent UV durability, owed to the synergistic effect of using cerium oxide (CeO2) nanoparticles and a silicone elastomer, polydimethylsiloxane (PDMS). Composite coatings resisted photo-degradation after 250 hours of intense UV irradiation (over 100 days under ambient conditions) and continued to exhibit promising self-cleaning properties.

Graphical abstract: Pigmented self-cleaning coatings with enhanced UV resilience via the limitation of photocatalytic activity and its effects

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Article information


Submitted
30 Jan 2020
Accepted
25 Feb 2020
First published
26 Feb 2020

Mol. Syst. Des. Eng., 2020, Advance Article
Article type
Paper

Pigmented self-cleaning coatings with enhanced UV resilience via the limitation of photocatalytic activity and its effects

R. L. Upton and C. R. Crick, Mol. Syst. Des. Eng., 2020, Advance Article , DOI: 10.1039/D0ME00013B

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