Engineering nanoscale roughness on hydrophobic surface—preliminary assessment of fouling behaviour
By H. Zhang, R. Lamb, J. Lewis. 2005
225 citations recorded by the source corpus.
Abstract A preliminary investigation of the fouling behaviour of smooth and roughened superhydrophobic coatings is reported. The effect of nanoscale interfacial roughness on the adhesion of single (SW8) and mixed cultures of micro-foulant for periods of up to 6 months was assessed using visual and wettability measurements. Detailed analysis indicated virtually no micro-organism attached to the superhydrophobic surfaces in the first weeks of immersion. As a result by comparison with smooth substrates, whichexhibited fouling within a day, very rough (roughness ratio <2.7) surfaces exhibited high resistance to fouling over a 6-month period. However, after periods exceeding 2 months under ocean conditions, both films showed limited anti-fouling properties. There appears to be a correlation between the nature of the nanoscale roughness in the creation of superhydrophobic coatings and their potential anti-fouling properties. The future architecture of such a correlation is investigated.
Subfields: Electrical and Electronic Engineering, Surfaces, Coatings and Films, Water Science and Technology
View Paper: https://www.semanticscholar.org/paper/1da1429f3a4b3acc13db2f5cde34b7402a5872b2
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In Electrical and Electronic Engineering
In Surfaces, Coatings and Films
In Water Science and Technology
Citations in the corpus
- Superhydrophobic modification of TiO2 nanocomposite PVDF membranes for applications in membrane distillation (2012, unknown): “investigated the anti-biofouling properties of superhydrophobic coating for marine application [17].”
- A brief review of environmentally benign antifouling and foul-release coatings for marine applications (2012, background): “Zhang and co-workers focused on three super-hydrophobic coatings with varying chemistry and surface roughness and compared these to their nonstructured equivalents.(84) Although under oceanic conditions they observed that the structured coatings”
- Corrosion behavior of superhydrophobic surfaces: A review (2015, background): “The anti-biofouling properties of superhydrophobic coatings have been investigated (Zhang et al., 2005).”
- Perspective on 3D printing of separation membranes and comparison to related unconventional fabrication techniques (2017, background): “For example, membrane surfaces have been intentionally roughened on the nanoscale to improve anti-fouling properties [45,46].”