Journal
CORROSION SCIENCE
Volume 143, Issue -, Pages 329-336Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2018.08.027
Keywords
Copper; Corrosion inhibition; Printed electronics; Sol-gel; Benzotriazole
Funding
- Israel Ministry of Economy [52694-5]
- National Research Foundation, Prime Minister's Office, Sinagpore, under its Campus of Research Excellence and Technological Enterprise (CREATE) Program
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The development of printed electronics has gained much attention as an alternative for conventional metal-based electronics, mainly due to the ability to print electronic circuits on plastics and by much cheaper means as compared with conventional microelectronics. Here we report on a single stage formation of a highly corrosion resistance coating with hydrophobic properties on printed-Cu nanoparticles. Our method is based on the synergistic effect of benzotriazole (BTA) as corrosion inhibitor and trimethylsiloxysilicate (TMS) as hydrophobic component. Printed-Cu coated with such TMS/BTA layer exhibited excellent corrosion resistance in 3.5% NaCl solution, reducing the dissolution of Cu into soluble species by one order of magnitude.
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