Superhydrophobic Photocatalytic Surfaces through Direct Incorporation of Titania Nanoparticles into a Polymer Matrix by Aerosol Assisted Chemical Vapor Deposition

Crick, Colin R.; Bear, Joseph C.; Kafizas, Andreas; Parkin, Ivan P.

doi:10.1002/adma.201201239

Cited by 177 publications

(118 citation statements)

References 29 publications

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“…37,38 This paper describes the novel single step synthesis of highly transparent (over 90% transmittance of visible light) and superhydrophobic PTFE coatings using AACVD.…”

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confidence: 99%

Transparent superhydrophobic PTFE films via one-step aerosol assisted chemical vapor deposition

et al. 2017

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In this study, hierarchical micro/nano-structured transparent superhydrophobic polytetrafluoroethylene (PTFE) films showing a water contact angle (CA) of 168 , a water sliding angle (SA) <1 and transmittance to visible light >90% were prepared on glass substrates via aerosol-assisted chemical vapor deposition (AACVD). Scanning electron microscopy showed the morphology to be rough, composed of both micro and nano sized protrusions. Mechanical testing showed that after impingement from 800 drops of 15 mL water (height ¼ 1 m) or 10 g of sand grains (height ¼ 65 cm), the CA of the transparent PTFE surface was still >150 , still demonstrating excellent superhydrophobicity. The films also showed self-cleaning and anti-corrosion properties. This one-step fabrication is a facile way of producing various kinds of transparent superhydrophobic surfaces.

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“…37,38 This paper describes the novel single step synthesis of highly transparent (over 90% transmittance of visible light) and superhydrophobic PTFE coatings using AACVD.…”

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confidence: 99%

Transparent superhydrophobic PTFE films via one-step aerosol assisted chemical vapor deposition

et al. 2017

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“…This technique, because of its different applications, has attracted researchers' attention that focused on controlled wetting properties (Wang et al, 2014b;Li et al, 2013b;Xu et al, 2013b;Zhang et al, 2013a;Crick et al, 2012). This is a 'smart coatings' which has the ability to switch from time to time to hydrophilic and hydrophobic surfaces by light irradiating under specific wavelength (Wooh et al, 2014;Nandan et al, 2015).…”

Section: Photo-controlled Wettingmentioning

confidence: 99%

Recent Progress in Self-Cleaning Materials with Different Suitable Applications

Chermahini¹,

Ostad‐Ali‐Askari²,

Eslamian³

et al. 2018

American Journal of Engineering and Applied Sciences

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Self-cleaning properties have received significant attention for the importance of their potential. Coatings at Nano-scales offer possibilities of using materials for self-cleaning surfaces. Recent efforts have begun to focus on the kinds of materials including metals, semiconductors and polymers. Such materials can have enormous potential in only a few applications. Moreover, the production of these materials requires high costs with low photo activity. In this regard, TiO 2 and its derived materials have shown acceptable and effective suggestions for this application. Moreover, the mechanism of self-cleaning has been explained by the effect of hydrophilic and hydrophobic. Hydrophilic and hydrophobic can have many applications in different areas like water purification, microfluidics and photovoltaic. In this review, the application of self-cleaning in solar cells and environment as well as TiO 2 derived materials and their applications in water management have been briefly illustrated. In addition, it has been explained that a huge number of self-cleaning materials, applications and improvement in utilities have been essential. In short, we have conducted a comprehensive review of the new approach and to mention numerous materials with hydrophobic and hydrophilic properties would be promising for most environmental concerns. Bio-inspired surface respond in nature through hydrophobic (Cicada Wing, Butterfly Wing, Lotus Leaf, Rice Leaf) and hydrophilic (Fish Scale, Snail Shell, Shark Skin) properties was divided in 4 and 3 respectively. Anti reflective coatings with self-cleaning properties have drowned considerable attention for both their basic appearances and vast applied usages. Antireflective coatings with self-cleaning properties have been considered because of their fascinating features and vast diversity of empirical uses.

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“…Although various methods that are used to prepare superhydrophobic material surfaces, such as the sol-gel method (Shi et al 2012), chemical vapor deposition (Crick et al 2012), and ink-jet printing (Zhang et al 2015), have been closely studied, research on superhydrophobic cellulose fiber-based products is limited because most of these methods cannot simply be applied to cellulose fiber-based paper without compromising efficiency. A number of approaches, including chemical grafting modification (Bongiovanni et al 2013), spray coating (Ogihara et al 2012), the rapid expansion of supercritical CO2 (Werner et al 2010), and plasma treatment (Balu et al 2008) have been reported as means of preparing superhydrophobic cellulose fiber-based materials, but these techniques have several limitations, such as requiring specialized and costly instrumentation, employing tedious fabrication procedures, and having low grafting efficiency (Huang et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Facile Fabrication of Superhydrophobic Paper with Excellent Water Repellency and Moisture Resistance by Phase Separation

Li¹,

Li²,

Yang³

et al. 2016

BioResources

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A simple but effective method of fabricating superhydrophobic paper with excellent moisture resistance was developed by precipitating carnauba wax onto the surface of cellulose fibers using a phase separation method. Response surface methodology (RSM) was used to optimize the effects of the preparation variables on the water contact angle (WCA) of the paper surface. The four independent variables were carnauba wax concentration, immersion time, coagulation bath ratio (water/ethanol), and coagulation bath time. The optimal treatment conditions were as follows: wax concentration, 3.78% (wax/chloroform, w/v); immersion time, 1.46 h; coagulation bath ratio, 13/87 (water/ethanol, v/v); and coagulation bath time, 2.63 h. Under these conditions, the experimental WCA reached 152.7°, which agreed closely with the predicted value of 154.1°. The surface morphology of the superhydrophobic paper was characterized by scanning electron microscopy (SEM) and atomic force microscopy (AFM), and the images showed that cluster-like carnauba wax aggregation completely covered the fiber surface, resulting in increased roughness. Moreover, the moisture resistance of the obtained superhydrophobic paper was evaluated. The results demonstrated that under high relative humidity conditions, the moisture resistance of the superhydrophobic paper significantly improved, and its tensile strength remained high.

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Superhydrophobic Photocatalytic Surfaces through Direct Incorporation of Titania Nanoparticles into a Polymer Matrix by Aerosol Assisted Chemical Vapor Deposition

Cited by 177 publications

References 29 publications

Transparent superhydrophobic PTFE films via one-step aerosol assisted chemical vapor deposition

Transparent superhydrophobic PTFE films via one-step aerosol assisted chemical vapor deposition

Recent Progress in Self-Cleaning Materials with Different Suitable Applications

Facile Fabrication of Superhydrophobic Paper with Excellent Water Repellency and Moisture Resistance by Phase Separation

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