Journal
CERAMICS INTERNATIONAL
Volume 42, Issue 14, Pages 16191-16197Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2016.07.140
Keywords
Titanium oxide/reduced graphene oxide/silver nanocomposite layers; Multifunctional properties; Hydrophobic; Conductive; Laser processing and immobilization
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Funding
- Romanian Ministry of Education and Scientific Research [PN-IIPT-PCCA-2011-3.2-1235]
- Spanish Economy and Competitiveness Ministry [ENE2014-56109-C3-3-R]
- Spanish Economy and Competitiveness Ministry, through the Severo Ochoa Programme for Centres of Excellence in RD [SEV-2015-0496]
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Electrically conductive and highly hydrophobic surface layers are attractive for many practical applications. In this work the functional, wetting and electrical properties of titanium dioxide (TiO2), TiO2/silver (Ag), and TiO2/reduced graphene oxide (rGO)/Ag nanocomposite coatings layers are reported. The functional properties of the layers were correlated with their chemical composition and bonding states between the constituent elements, determined in turn by the synthesis and immobilization process parameters. The nanocomposite coatings were obtained by matrix assisted pulsed laser evaporation, a laser-based environmental friendly thin film deposition technique. The synthesized ternary TiO2/rGO/Ag coatings has optimum performances, highly hydrophobic character and low electrical resistance, attributed to the presence of Ag nanoparticles and to the reduction of the oxygen containing functional groups of the GO platelets during laser irradiation and transfer processes leading to the formation of graphene-like material. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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