Online from: 2010
Subject Area: Mechanical & Materials Engineering
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|Title:||A Raman study of 8-Hydroxyquinoline release from loaded TiO|
|Author(s):||G.C. Kordas, (Sol-Gel Laboratory, National Centre of Scientific Research “DEMOKRITOS”, Aghia Paraskevi, Greece), A.C. Balaskas, (Sol-Gel Laboratory, National Centre of Scientific Research “DEMOKRITOS”, Aghia Paraskevi, Greece), I.A. Kartsonakis, (Sol-Gel Laboratory, National Centre of Scientific Research “DEMOKRITOS”, Aghia Paraskevi, Greece), E.K. Efthimiadou, (Sol-Gel Laboratory, National Centre of Scientific Research “DEMOKRITOS”, Aghia Paraskevi, Greece)|
|Citation:||G.C. Kordas, A.C. Balaskas, I.A. Kartsonakis, E.K. Efthimiadou, (2013) "A Raman study of 8-Hydroxyquinoline release from loaded TiO|
|Keywords:||8-hydroxyquinoline, Coatings, Corrosion inhibitors, Nanocontainers, Raman, Self-healing|
|Article type:||Research paper|
|DOI:||10.1108/17579861311303672 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
Purpose – The purpose of this paper is to study the release of corrosion inhibitor from nanocontainers and to show that it can be released due to reaction with the substrate induced by corrosion. This is called self-healing of corrosion. Raman spectroscopy was used to show that reaction after scratching of the surface and corrosion of the substrate.
Design/methodology/approach – TiO
Findings – The authors found that the corrosion of copper substrate induces the release of hydroxyquinoline and formation of a chelate. This is the self-healing phenomenon.
Practical implications – This can be employed for self-healing in all structures, such as mechanical properties of bridges, etc.
Social implications – Damage occurs in all structures: the cost is immense – millions of dollars. Damage also occurs after an earthquake, accidents, etc. Self-repairing is the key issue in modern science, therefore this article is of great importance.
Originality/value – The originality is that the authors showed, with Raman spectroscopy, that the chemicals in the nanocontainers in the coatings are released by the corrosion induced in the metal. This is the first spectroscopic proof of self-healing.
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