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A study of copper corrosion inhibition by self-assembled films of 3-mercapto-1H-1,2,4-triazole

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Abstract

Self-assembled monolayers of 3-mercapto-1H-1,2,4-triazole (MTA) was formed over a copper surface at various immersion periods. Fourier transform infrared spectroscopy and cyclic voltammetry were used to characterize the films. Atomic force microscopy and scanning electron microscopy were employed for the characterization of surface morphology. The wettability of the film was examined using contact angle measurements. The corrosion protection ability of the films was assessed in a chloride solution using electrochemical impedance spectroscopy and polarization measurements. The results of the study clearly ascertained the protection ability of self-assembled films of the MTA over copper. The theoretical studies also vouched for the experimental results.

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Acknowledgments

One of the authors, G. Rajkumar is grateful to UGC-RFSMS [Research Fellowship in Sciences for Meritorious Students, Grant No.: F.4-1/2006 (BSR) 7-225/2009 (BSR) dt. 26.06.2012], New Delhi for their financial assistance. Both the authors thank UGC-SAP and the authorities of GRI for their constant help and support.

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Authors and Affiliations

  1. Department of Chemistry, Gandhigram Rural Institute – Deemed University, Gandhigram, Dindigul, 624 302, Tamil Nadu, India

    Ganesan Rajkumar & Mathur Gopalakrishnan Sethuraman

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  1. Ganesan Rajkumar
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  2. Mathur Gopalakrishnan Sethuraman
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Correspondence to Mathur Gopalakrishnan Sethuraman.

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Rajkumar, G., Sethuraman, M.G. A study of copper corrosion inhibition by self-assembled films of 3-mercapto-1H-1,2,4-triazole. Res Chem Intermed 42, 1809–1821 (2016). https://doi.org/10.1007/s11164-015-2119-x

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  • DOI: https://doi.org/10.1007/s11164-015-2119-x

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