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Visible and UV functionality of TiO2 ternary nanocomposites on cotton

Pakdel,E, Daoud,WA, Sun,L and Wang,X 2014, Visible and UV functionality of TiO2 ternary nanocomposites on cotton, Applied Surface Science, vol. 321, pp. 447-456, doi: 10.1016/j.apsusc.2014.10.018.

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Title Visible and UV functionality of TiO2 ternary nanocomposites on cotton
Author(s) Pakdel,E
Daoud,WA
Sun,L
Wang,X
Journal name Applied Surface Science
Volume number 321
Start page 447
End page 456
Total pages 10
Publisher Elsevier BV
Place of publication Amsterdam , Netherlands
Publication date 2014-12-01
ISSN 0169-4332
Keyword(s) Cotton
Nanocomposite
Photocatalytic activity
Sol-gel
Visible light
Science & Technology
Physical Sciences
Technology
Chemistry, Physical
Materials Science, Coatings & Films
Physics, Applied
Physics, Condensed Matter
Chemistry
Materials Science
Physics
SELF-CLEANING COTTON
NANO TITANIUM-DIOXIDE
WASTE-WATER TREATMENT
CELLULOSE FIBERS
COLLOIDAL TIO2
WOOL
TEXTILES
NANOPARTICLES
TEMPERATURE
Summary This research intends to increase the photocatalytic efficiency of cotton fabrics coated with TiO2-based nanocomposites under illumination particularly visible light. The fabrics were functionalized using a low-temperature sol-gel method of TiO2/Metal/SiO2 nanocomposite systems. Integrating silica and noble metals into TiO2 sol was put forth for boosting its functionality. Three noble metals (gold (Au), platinum (Pt) and silver (Ag)) with four different concentrations were employed. The photocatalytic activity of the functionalized fabrics was assessed through coffee stain-removal test and photodecomposition of methylene blue (MB) under UV and visible light. The impact of coating layers on fabrics' hydrophilicity was analyzed through measuring the water contact angle as well as the water absorption time. The fabrics were characterized using XRD, SEM and EDS. It was corroborated that the presence of silica enhanced the self-stain-removal capability of fabrics under UV. Moreover, the self-cleaning property of fabrics improved under both UV and visible light after integrating the metals into the colloids. In the same line, the self-cleaning activity threshold of fabrics was shifted to visible region.
Language eng
DOI 10.1016/j.apsusc.2014.10.018
Field of Research 100708 Nanomaterials
091205 Functional Materials
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070023

Document type: Journal Article
Collection: Institute for Frontier Materials
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