Article (Scientific journals)
Elaboration and characterization of a multifunctional silane/ZnO hybrid nanocomposite coating
Nicolay, Arnaud; Lanzutti, Alex; Poelman, Mireille et al.
2015In Applied Surface Science, 327, p. 379-388
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Keywords :
[en] ZnO; [en] Sol-gel; [en] Metallic substrate; [en] Barrier properties; [en] UV absorber
Abstract :
[en] The present study aims at investigating the elaboration of a ZnO/sol-gel nanocomposite coating, whichcan provide a number of properties such as UV-absorption, mechanical and barrier effects, etc. depend-ing on targeted applications. The sol-gel coating formulation is an inorganic-organic hybrid based ontetraethoxysilane (TEOS) and glycidyloxypropyltrimethoxysilane (GPTMS). In order to ensure good dis-persion in the sol-gel matrix, ZnO nanoparticles were surface-modified with a silane coupling agent.The functionalization was confirmed by Fourier transform infrared (FTIR) and thermogravimetric (TGA)analyses. Field emission gun-scanning electron microscopy (FEG-SEM) characterization of the nanocom-posite film reveals a homogeneous distribution and dispersion of the ZnO nanoparticles throughout thefilm. Glow discharge optical emission spectrometry (GDOES) analysis allows evaluating the thicknessof coatings and getting a depth composition profile. Some properties such as UV-absorption and bar-rier effect are highlighted using a UV-visible spectrometer and electrochemical impedance spectroscopy(EIS), respectively. The effect of ZnO concentration is also presented.
Research center :
CIRMAP - Centre d'Innovation et de Recherche en Matériaux Polymères
CRIM - Ingénierie des matériaux
Disciplines :
Materials science & engineering
Author, co-author :
Nicolay, Arnaud ;  Université de Mons > Faculté Polytechnique > Science des Matériaux
Lanzutti, Alex
Poelman, Mireille ;  Université de Mons > Unités externes > Materia Nova ASBL
Ruelle, Benoît ;  Université de Mons > Unités externes > Materia Nova ASBL
Fedrizzi, Lorenzo
Dubois, Philippe  ;  Université de Mons > Faculté des Sciences > Matériaux Polymères et Composites
Olivier, Marie-Georges  ;  Université de Mons > Faculté Polytechnique > Service de Science des Matériaux
Language :
English
Title :
Elaboration and characterization of a multifunctional silane/ZnO hybrid nanocomposite coating
Publication date :
01 February 2015
Journal title :
Applied Surface Science
ISSN :
0169-4332
Publisher :
Elsevier, Netherlands
Volume :
327
Pages :
379-388
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S816 - Matériaux Polymères et Composites
F502 - Science des Matériaux
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
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