Transparent hydrophobic thermal insulation CsxWO3-ZnO-SiO2 coatings:Energy saving, anti-dust and anti-fogging performance

Li, Mengyuan; Zhao, Zhiyang; Fang, Xianli; Zhang, Zefeng; Deng, Min

doi:10.1088/2053-1591/abe05f

Cited by 10 publications

(7 citation statements)

References 32 publications

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“…The experiments showed that a micro-/nanostructure can significantly increase dust particle rebound and reduce the dust deposition compared to low surface energy only, and the combination of a micro-/nanostructure with a low energy surface can effectively repel dust particles. Li et al [ 99 ] prepared an anti-dust and anti-fog nanostructured coating using a sol-gel preparation process, which is schematically shown in Figure 6 b. The contact angle of the anti-dust coating was less than 150°, but still maintained an excellent dust particle repellent effect ( Figure 6 c).…”

Section: Methods For Creating Anti-dust and Easy-cleaning Surfacesmentioning

confidence: 99%

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Progress in Studies of Surface Nanotextures and Coatings with Nanomaterials on Glass for Anti-Dust Functionality

Wang

Liu

2022

Nanomaterials

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Dust pollution presents a wide range of adverse effects to product functionalities and the quality of human life. For instance, when dust particles deposit on solar photovoltaic panels, sunlight absorption is significantly reduced, and solar-to-electrical energy conversion yield may be lowered by 51%- Conventional (manual) dust removal methods are costly, consume significant material resources, and cause irreparable damage to the solar glass surface. Therefore, it is critical to develop glass surfaces that can clean themselves or are easily cleaned by natural forces. Many approaches have been attempted to reduce dust deposition, such as developing superhydrophobic surfaces and preparing anti-static surfaces. This paper reviews the recent progress in studies of anti-dust and cleaning mechanisms or methodologies, which include investigation into micro- and nano-sized dust properties, dust deposition processes and adhesion mechanisms to surfaces, and the state-of-the-art approaches to anti-dust and easy-cleaning functions that tailor surface micro-/nanotextures, lowering surface energy via nanocoatings, and enhancing anti-static properties with nanomaterials. We compare the advantages and disadvantages of various approaches and discuss the research prospects. We envision that future research will be focused on developing transparent surfaces with multiple dust-proof functions to cope with dust-burdening operating environments.

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Section: Methods For Creating Anti-dust and Easy-cleaning Surfacesmentioning

confidence: 99%

“…( b ) Preparation process and ( c ) anti-dust properties of anti-dust coating, reproduced with permission from Ref. [ 99 ].…”

Section: Figurementioning

confidence: 99%

Progress in Studies of Surface Nanotextures and Coatings with Nanomaterials on Glass for Anti-Dust Functionality

Wang

Liu

2022

Nanomaterials

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“…Apart from that, it has antifog property where the coated glass is adhered by mist droplet under hot vapor. As similar to Li et al (2021), the hydrophobic ZnO-SiO 2 coating was adhered by tiny mist droplet after being exposed to hot fog vapor for 1 min. The condensed fog on the coated glass completely evaporated after about 3 min.…”

Section: Introductionmentioning

confidence: 98%

Development of self-cleaning polydimethylsiloxane/nano-calcium carbonate-titanium dioxide coating with fog-resistance response for building glass

Syafiq

Rahim

Vengadaesvaran

et al. 2022

PRT

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Purpose This paper introduced the simple synthesis process of self-cleaning coating with fog-resistance property using hydrophobic polydimethylsiloxane (PDMS) polymer and nano-calcium carbonate (nano-CaCO3) and titanium dioxide (TiO2). Design/methodology/approach The synthesis method of PDMS/nano-CaCO3-TiO2 is based on sol-gel process. The crosslinking between PDMS and nanoparticles is driven by the covalent bond at temperature of 50°C. The 3-Aminopropyltriethoxysilane is used as binder for nanoparticles attachment in polymer matrix. Two fabrication methods are used, which are dip- and spray-coating methods. Findings The prepared coated glass fulfilled the requirement of standard self-cleaning and fog-resistance performance. For the self-cleaning test BS EN 1096-5:2016, the coated glasses exhibited the dust haze value around 20%–25% at tilt angle of 10°. For the antifog test, the coated glasses showed the fog haze value were below 2% and the gloss value were above 85%. The obtained results completely achieved the standard antifog value ASTM F659-06 protocol. Research limitations/implications Findings will provide an infrastructure support for the building glass to enhance building’s energy efficiency, cleaning performance and friendly environment. Practical implications This study proposed the simple synthesis method using hydrophobic polymer and nano-CaCO3 and nano-TiO2, which can achieve optimum self-cleaning property at low tilt angle and fog-resistance performance for building glass. Social implications The research findings have high potential for building company, cleaning building company and government sector. The proposed project capable to reduces the energy consumption about 20% per annum due to labor cost, time-consuming and safety during manual cleaning. Originality/value The novel method to develop self-cleaning coating with fog-resistance using simple synthesis process and fabrication method for building glass application.

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“…[33][34][35] Also, the suppression of thermal emission was missed to reduce heat loss. [36,37] The mechanism of spectral selectivity in an ultra-broadband, including both solar and thermal regions, has not yet been explored and utilized for efficient heat generation and preservation.…”

Section: Introductionmentioning

confidence: 99%

A Highly Transparent Photo‐Electro‐Thermal Film with Broadband Selectivity for All‐Day Anti‐/De‐Icing

Lin,

Ma,

Zhang

et al. 2023

Small

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A photo‐ and electro‐thermal film can convert sunlight and electricity into heat to solve icing problems. Combination of them provides an efficient strategy for all‐day anti‐/de‐icing. However, only opaque surfaces have been reported, due to the mutual exclusiveness between photon absorption and transmission. Herein, a highly transparent and scalable solution‐processed photo‐electro‐thermal film is reported, which exhibits an ultra‐broadband selective spectrum to separate the visible light from sunlight and a countertrend suppress of emission in longer wavelength. It absorbs ≈ 85% of invisible sunlight (ultraviolet and near‐infrared) for light‐heat conversion, meanwhile maintains luminous transmittance > 70%. The reflection of mid‐infrared leads to low emissivity (0.41), which further preserves heat on the surface for anti‐/de‐icing purpose. This ultra‐broadband selectivity enables temperature elevation > 40 °C under 1‐sun illumination and the mutual support between photo‐thermal and electro‐thermal effects contributes to > 50% saving of electrical consumption under weak solar exposure (0.4‐sun) for maintaining unfrozen surfaces at −35 °C environment. The reverberation from photo‐electro‐thermal and super‐hydrophobic effects illustrates a lubricating removal of grown ice in short time (< 120 s). The self‐cleaning ability and the durability under mechanical, electrical, optical, and thermal stresses render the film stable for long‐term usage in all‐day anti‐/de‐icing applications.

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Transparent hydrophobic thermal insulation Cs_xWO₃-ZnO-SiO₂ coatings:Energy saving, anti-dust and anti-fogging performance

Cited by 10 publications

References 32 publications

Progress in Studies of Surface Nanotextures and Coatings with Nanomaterials on Glass for Anti-Dust Functionality

Progress in Studies of Surface Nanotextures and Coatings with Nanomaterials on Glass for Anti-Dust Functionality

Development of self-cleaning polydimethylsiloxane/nano-calcium carbonate-titanium dioxide coating with fog-resistance response for building glass

A Highly Transparent Photo‐Electro‐Thermal Film with Broadband Selectivity for All‐Day Anti‐/De‐Icing

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