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Transparent and anti-fogging AlPO4-5 films constructed by oblique oriented nano-flake crystals
School of Chemistry and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, China; State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
School of Chemistry and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, China.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0003-2656-857x
State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
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2022 (English)In: Chinese Journal of Chemical Engineering, ISSN 1004-9541, E-ISSN 2210-321X, Vol. 44, p. 332-340Article in journal (Refereed) Published
Abstract [en]

In the present work, transparent and anti-fogging AlPO4-5 films were prepared on glass substrates using a novel developed process. The process entails a simple in-situ sol-gel followed by vapor phase transport. The in-situ sol-gel process was implemented by coating the precursor sols for the synthesis of AlPO4-5 on the glass substrates successively using the spin-coating method. The films and powders scribed from the films were characterized by X-Ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), atomic force microscope (AFM), X-ray photoelectron spectroscopy (XPS) and transmission electron microscope (TEM). The unique films were composed of oblique oriented nano-flake AlPO4-5 crystals with the thickness of about 20 nm. The formation of nano-flake crystals can be ascribed to the high concentration of the precursors, resulting in the formation of a supersaturation system. The obtained films showed high antifogging performance due to the superhydrophilicity with a water contact angle of lower than 1.0°. The silicone oil contact angle was also low about 8.2°. In addition, heteroatom-substituted AlPO4-5 films showing different colors can be obtained easily by simply adding transition metal ions in the phosphate acid solution during the preparation that can extend the application of the method for different coating demand.

Place, publisher, year, edition, pages
Elsevier, 2022. Vol. 44, p. 332-340
Keywords [en]
AlPO4-5 thin film, Oriented film, Transparent, Superhydrophilicity, Anti-fogging
National Category
Chemical Engineering
Research subject
Chemical Technology
Identifiers
URN: urn:nbn:se:ltu:diva-83182DOI: 10.1016/j.cjche.2021.02.004ISI: 000788419000005Scopus ID: 2-s2.0-85128174572OAI: oai:DiVA.org:ltu-83182DiVA, id: diva2:1534522
Note

Validerad;2022;Nivå 2;2022-04-19 (joosat);

Funder: Key University Science Research Project of Jiangsu Province (16KJA430007); Key Laboratory of Attapulgite Resources Utilization in Jiangsu Province (HPK201804); National Local Joint Engineering Research Center for Deep Utilization of Mineral and Salt Resources (SF201804)

Available from: 2021-03-05 Created: 2021-03-05 Last updated: 2025-04-15Bibliographically approved

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