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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Danto, Sylvain
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (28/28 displayed)
- 2024Negative photochromism in hybrid organic-inorganic PES optical fibers functionalized with active WO3 nanoparticlescitations
- 2024Characterization of biodegradable core–clad borosilicate glass fibers with round and rectangular cross-sectioncitations
- 2023Characterization of biodegradable core–clad borosilicate glass fibers with round and rectangular cross‐sectioncitations
- 2023Generation of stabilized electrically-induced micro-plasma at the tip of multimaterial optical fibers
- 2023Resolved-detrimental langasite-type surface crystallization in yttrium lanthanum gallium-rich heavy metal oxide glasses for infra-red optical fiber applications
- 2023Resolved‐detrimental surface crystallization in yttrium lanthanum gallate glasses for optical fiber applicationscitations
- 2023Impact of Al2O3, TiO2 and ZnO addition on the crystallization of Yb3+ doped phosphate glass-ceramiccitations
- 2023Low-cost WO3 nanoparticles / PVA smart photochromic glass windows for sustainable building energy savingscitations
- 2022Response of Various Yb3+-Doped Oxide Glasses to Different Radiation Treatmentscitations
- 2022Fiber drawing ability and loss optimization of niobium rich borophosphate optical glass fiberscitations
- 2022Effect of potassium or yttrium introduction in Yb3+-doped germano-gallate glasses on the structural, luminescence properties and fiber processingcitations
- 2022Elaboration and loss optimization of niobium rich borophosphate optical glass fibers
- 2022Spatial beam reshaping and large-band nonlinear conversion in rectangular-core phosphate glass fiberscitations
- 2021Transparent glasses and glass-ceramics in the ternary system TeO2-Nb2O5-PbF2citations
- 2021Investigation of ZnSe stability and dissolution behavior in As-S-Se chalcogenide glassescitations
- 2020Direct 3D-printing of phosphate glass by fused deposition modelingcitations
- 2020Silver centers luminescence in phosphate glasses subjected to X‐Rays or combined X‐rays and femtosecond laser exposurecitations
- 2020Elaboration of multimaterials optical fibers combining tellurite glass and metal for electro-optical applicationscitations
- 2020Radiation-induced defects and effects in germanate and tellurite glassescitations
- 2020Transparent Yb3+ doped phosphate glass-ceramicscitations
- 2020In-situ fiber drawing induced synthesis of silver-tellurium semiconductor compoundscitations
- 2019Investigation of the Na2O/Ag2O ratio on the synthesis conditions and properties of the 80TeO2–10ZnO–[(10−x)Na2O–xAg2O] glassescitations
- 2018On the femtosecond laser-induced photochemistry in silver-containing oxide glasses: mechanisms, related optical and physico-chemical properties, and technological applicationscitations
- 2018Structural influence on the femtosecond laser ability to create fluorescent patterns in silver-containing sodium-gallium phosphate glassescitations
- 2014Solution processing and resist-free nanoimprint fabrication of thin film chalcogenide glass devices : inorganic-organic hybrid photonic integrationcitations
- 2013The development of advanced optical fibers for long-wave infrared transmissioncitations
- 2013The development of advanced optical fibers for long-wave infrared transmissioncitations
- 2013A Comparative Study of Purification Routes for As2Se3 Chalcogenide Glasscitations
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article
Low-cost WO3 nanoparticles / PVA smart photochromic glass windows for sustainable building energy savings
Abstract
International audience ; In this paper, we investigate the WO3-x/PVA composite films as smart photochromic coatings on glass substrate by two methods: solvent casting (SC) and dip-coating (DC). The two methods were thoroughly compared using experimental and theoretical means. All prepared films have been optically investigated by ex-situ and in-situ UV–Vis spectrometry, leading to insight on their coloring/bleaching amplitudes and kinetics. It was found that the SC films exhibited the best photochromic amplitude with a visible and infrared optical contrast and , whereas and reached less than 20.2 and 5.4 for the best films issued from the DC process. Further, a two-flux model (KubelkaMunk) was adapted to understand the associated impacts of absorption and scattering in our composite films. The calculations revealed that the simulated scattering factor was higher in the case of the DC films than for the SC films, explaining hence the higher photochromic amplitude of the latter. After carefully analyzing the relationship between the SC and DC films characterizations and optical performance, we concluded that the SC method offered films that are a better candidate for post-optical application in terms of scattering reduction, improved visible/infrared contrast, and better photochromic efficiency. Nevertheless, the “thick” SC films get a slightly lower kinetic response than the “thin” DC films. Finally, the cooling effect of the photochromic SC films was tested by integrating them in a model wooden room under the irradiation of an artificial solar source. The photochromic SC smart windows proposed here are equally efficient while being more affordable than electrochromic panels or VO2 thermochromic thin films to reduce the inner house temperature (almost 20 °C) upon solar irradiation, demonstrating their great potential as smart cost-effective energy-saving materials