In situgrowth of TiO2/SiO2nanospheres on glass substratesviasolution impregnation for antifogging

Liu, Fang; Shen, Jie; Zhou, Wuyi; Zhang, Shiying; Long, Wei

doi:10.1039/c6ra27276b

Cited by 18 publications

(8 citation statements)

References 52 publications

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“…Coatings made up of SSNPs deposited on La(OH)3 nanorods prepared by You and colleagues [145] have proven remarkable capacity to alleviate surface fog (WCA ≈ 0°) and minimize light reflection under sun exposure. Cao et al [146] employed very recently faujasitic nanozeolites (DZ) with an average size of 25-30 nm as assembly units to prepare on glass samples coatings with anti-reflective/anti-fogging features, while Liu and colleagues [147] proposed a soft templating route combining in situ growth with a modified Stöber method to synthesize TiO2/SiO2 nanospheres directly on glass surfaces (Fig. 12a).…”

Section: Dip-coating Depositionmentioning

confidence: 99%

Water drop-surface interactions as the basis for the design of anti-fogging surfaces: Theory, practice, and applications trends

Durán

Laroche

2019

Advances in Colloid and Interface Science

119

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Glass-and polymer-based materials have become essential in the fabrication of a multitude of elements, including eyeglasses, automobile windshields, bathroom mirrors, greenhouses, and food packages, which unfortunately mist up under typical operating conditions. Far from being an innocuous phenomenon, the formation of minute water drops on the surface is detrimental to their optical properties (e.g., light-transmitting capability) and, in many cases, results in esthetical, hygienic, and safety concerns. In this context, it is therefore not surprising that research in the field of fog-resistant surfaces is gaining in popularity, particularly in recent years, in view of the growing number of studies focusing on this topic. This review addresses the most relevant advances released thus far on anti-fogging surfaces, with a particular focus on coating deposition, surface micro/nanostructuring, and surface functionalization. A brief explanation of how surfaces fog up and the main issues of interest linked to fogging phenomenon, including common problems, anti-fogging strategies, and wetting states are first presented. Anti-fogging mechanisms are then discussed in terms of the morphology of water drops, continuing with a description of the main fabrication techniques toward anti-fogging property. This review concludes with the current and the future perspectives on the utility of anti-fogging surfaces for several applications and some remaining challenges in this field.

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Section: Dip-coating Depositionmentioning

confidence: 99%

Water drop-surface interactions as the basis for the design of anti-fogging surfaces: Theory, practice, and applications trends

Durán

Laroche

2019

Advances in Colloid and Interface Science

119

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“…The ultraviolet spectral region from 100 to 400 nm and reflection of this wavelength is of great importance to human life, causing the aging of skin, sunburn, etc [4]. The UV reflector is fabricated using atmospheric pressure physical vapor depositions (AP-PVD), sol-gel spin-coating, dip-coating, plasma-enhanced chemical vapor deposition (PECVD), and wet-chemical routes and multistep procedures [5][6][7][8][9][10]. This proposed work focused on UV and Visible wavelength reflective coatings of TiO 2 /SiO 2 multilayers on a silicon substrate using sol-gel spin-coating methods.…”

Section: Introductionmentioning

confidence: 99%

Ultraviolet and visible reflective TiO2/SiO2 thin films on silicon using sol-gel spin coater

Saravanan¹,

Dubey²

2021

Nanosystems: Phys. Chem. Math.

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TiO 2 /SiO 2 alternative thin films (stacks) were deposited on silicon substrates using sol-gel spin-coating techniques. The prepared samples had their corresponding optical properties analyzed by UV-Visible spectrophotometry (UV-Vis), X-ray diffractometry (XRD), a surface profilometer, and Raman spectroscopy. The optical and crystallization properties of thin films were varied and compared by changing the number of stacks. UV-Vis spectrum showed high reflectance and shifting towards the infrared region with effect of increased TiO 2 /SiO 2 stacks. XRD spectra confirmed the existence of anatase TiO 2 and SiO 2 diffraction peaks. The multilayer film thickness was calculated at 109 and 151 nm at two and four stacks by a surface profilometer. The Raman spectra confirmed the Si-O-Si and TiO 2 stretching modes at 2600, 980, and 519 cm −1 . This investigation reveals the promising and effective UV-Visible reflective property of alternative TiO 2 /SiO 2 thin films on a silicon substrate.

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“…Among the permanent coatings studied, anatase titanium dioxide (TiO 2 )/silicon dioxide (SiO 2 ) nanocomposite coatings can efficiently combine the super-hydrophilic property of SiO 2 and the photocatalytic property of anatase TiO 2 7 , 8 . If many deposition methods can contribute to the formation of each material, i.e.…”

Section: Introductionmentioning

confidence: 99%

“…If many deposition methods can contribute to the formation of each material, i.e. SiO 2 and anatase TiO 2 , the formation of anatase TiO 2 /SiO 2 nanocomposite coatings has mainly been achieved via wet chemistry routes and multistep procedures 7 – 9 . In addition, the deposition of anatase TiO 2 /SiO 2 nanocomposite coatings is often based on the embedment of preformed anatase TiO 2 nanoparticles in the SiO 2 matrix, which can be grown by sol-gel coating or chemical vapor deposition.…”

Section: Introductionmentioning

confidence: 99%

Transparent anti-fogging and self-cleaning TiO2/SiO2 thin films on polymer substrates using atmospheric plasma

Chemin

Bulou

Baba

et al. 2018

Sci Rep

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Transparent anti-fogging and self-cleaning coatings are of great interest for many applications, including solar panels, windshields and displays or lenses to be used in humid environments. In this paper, we report on the simultaneous synthesis, at atmospheric pressure, of anatase TiO2 nanoparticles and low-temperature, high-rate deposition of anatase TiO2/SiO2 nanocomposite coatings. These coatings exhibit durable super-hydrophilic and photocatalytic properties. The strategy followed relies on concomitant and separated injections of titania, i.e. titanium isopropoxide, and silica, i.e. hexamethyldisiloxane, precursors in the stream of a blown-arc discharge to form transparent anti-fogging and self-cleaning anatase TiO2/SiO2 nanocomposite coatings on polymer substrates.

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In situgrowth of TiO₂/SiO₂nanospheres on glass substratesviasolution impregnation for antifogging

Abstract: Uniform TiO2/SiO2 nanospheres around 500 nm were in situ fabricated on substrates using a facile soft templating route for super-hydrophilic antifogging.

Cited by 18 publications

References 52 publications

Water drop-surface interactions as the basis for the design of anti-fogging surfaces: Theory, practice, and applications trends

Water drop-surface interactions as the basis for the design of anti-fogging surfaces: Theory, practice, and applications trends

Ultraviolet and visible reflective TiO2/SiO2 thin films on silicon using sol-gel spin coater

Transparent anti-fogging and self-cleaning TiO2/SiO2 thin films on polymer substrates using atmospheric plasma

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