Sol–gel preparation and characterization of antibacterial and self-cleaning hybrid nanocomposite coatings

ZnO–TiO 2 , SiO 2 –TiO 2 , and SiO 2 –TiO 2 –ZnO hybrid nanocomposite coatings were synthesized based on sol–gel precursors including tetramethoxysilane (TMOS), 3-glycidoxypropyl trimethoxysilane (GPTMS), tetra( n -butyl orthotitanate) (TBT), and zinc acetate dihydrate. The hybrid network was charac...

Full description

Saved in:
Bibliographic Details
Published in:JCT research 2017-11, Vol.14 (6), p.1335-1343
Main Authors: Estekhraji, Seyed Armin Zare, Amiri, Sahar
Format: Article
Language:English
Subjects:
Antibacterial materials
Chemistry and Materials Science
Cleaning
Coating effects
Corrosion and Coatings
Deactivation
E coli
Industrial Chemistry/Chemical Engineering
Light irradiation
Materials Science
Methylene blue
Nanocomposites
Polymer Sciences
Silicon dioxide
Sol-gel processes
Surfaces and Interfaces
Thin Films
Titanium oxides
Tribology
Zinc acetate
Zinc oxide
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:ZnO–TiO 2 , SiO 2 –TiO 2 , and SiO 2 –TiO 2 –ZnO hybrid nanocomposite coatings were synthesized based on sol–gel precursors including tetramethoxysilane (TMOS), 3-glycidoxypropyl trimethoxysilane (GPTMS), tetra( n -butyl orthotitanate) (TBT), and zinc acetate dihydrate. The hybrid network was characterized by FTIR, FESEM, and EDAX techniques. Results indicated that inorganic particles’ size was of nanoorder (20–30 nm), with very uniform distribution and dispersion. Photocatalytic and self-cleaning activities of these coatings were further investigated by degradation of methylene blue in an aqueous solution (20 ppm) at visible light irradiation, indicating photocatalytic performance of the coatings containing ZnO and TiO 2 nanoparticles. The antibacterial effect of the coatings was investigated for inhibition and inactivation of cell growth, with the results showing the same antibacterial activity for ZnO–TiO 2 and SiO 2 –TiO 2 –ZnO coatings against Escherichia coli and Staphylococcus aureus ; the activity was, however, higher than that of SiO 2 –TiO 2 hybrid nanocomposite coatings.
ISSN:1547-0091
1935-3804
2168-8028
DOI:10.1007/s11998-017-9932-7