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Self-cleaning wool: effect of noble metals and silica on visible-light-induced functionalities of nano TiO2 colloid

Pakdel, Esfandiar, Daoud, Walid. A., Afrin, Tarannum, Sun, Lu and Wang, Xungai 2015, Self-cleaning wool: effect of noble metals and silica on visible-light-induced functionalities of nano TiO2 colloid, Journal of the textile institute, vol. 106, no. 12, pp. 1348-1361, doi: 10.1080/00405000.2014.995461.

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Title Self-cleaning wool: effect of noble metals and silica on visible-light-induced functionalities of nano TiO2 colloid
Formatted title  Self-cleaning wool: effect of noble metals and silica on visible-light-induced functionalities of nano TiO2 colloid
Author(s) Pakdel, Esfandiar
Daoud, Walid. A.
Afrin, Tarannum
Sun, LuORCID iD for Sun, Lu orcid.org/0000-0003-2999-1250
Wang, Xungai
Journal name Journal of the textile institute
Volume number 106
Issue number 12
Start page 1348
End page 1361
Total pages 14
Publisher Taylor and Francis
Place of publication London, Eng.
Publication date 2015
ISSN 0040-5000
1754-2340
Keyword(s) Science & Technology
Technology
Materials Science, Textiles
Materials Science
titanium dioxide
self-cleaning
antimicrobial property
noble metal
visible light
MODIFIED COTTON TEXTILES
SOL-GEL PROCESS
PHOTOCATALYTIC ACTIVITY
TITANIUM-DIOXIDE
DAYLIGHT IRRADIATION
AU/TIO2 NANOCOMPOSITES
CELLULOSE FIBERS
LOW-TEMPERATURES
TIO2/SIO2
FILMS
Summary © 2014 The Textile Institute. This study intends to enhance the functionality of titanium dioxide (TiO2) nanoparticles applied to wool fabrics under visible light. Herein, TiO2, TiO2/SiO2, TiO2/Metal, and TiO2/Metal/SiO2 nanocomposite sols were synthesized and applied to wool fabrics through a low-temperature sol–gel method. The impacts of three types of noble metals, namely gold (Au), platinum (Pt), and silver (Ag), on the photoefficiency of TiO2 and TiO2/SiO2 under visible light were studied. Different molar ratios of Metal toTiO2 (0.01, 0.1, 0.5, and 1%) were employed in synthesizing the sols. Photocatalytic efficiency of fabrics was analyzed through monitoring the removal of red wine stain and degradation of methylene blue under simulated sunlight and visible light, respectively. Also, the antimicrobial activity against Escherichia coli (E. coli) bacterium and the mechanical properties of fabrics were investigated. Through applying binary and ternary nanocomposite sols to fabrics, an enhanced visible-light-induced self-cleaning property was imparted to wool fabrics. It was concluded that the presence of silica and optimized amount of noble metals had a synergistic impact on boosting the photocatalytic and antimicrobial activities of coated samples. The fabrics were further characterized using attenuated total reflectance, energy-dispersive X-ray spectrometry, and scanning electron microscopy images.
Language eng
DOI 10.1080/00405000.2014.995461
Field of Research 091205 Functional Materials
100708 Nanomaterials
0910 Manufacturing Engineering
0913 Mechanical Engineering
1203 Design Practice And Management
Socio Economic Objective 860403 Natural Fibres
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Taylor and Francis
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081848

Document type: Journal Article
Collection: Institute for Frontier Materials
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