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Novel Сarbon Dots for Corrosion Inhibition of N80 Carbon Steel in 3% Saturated CO2 Saline Solution

  • Applied Electrochemistry and Metal Corrosion Protection
  • Published:
Russian Journal of Applied Chemistry Aims and scope Submit manuscript

Abstract

In this work, the high biocompatibility and low cytotoxicity of functionalized carbon dots (N-CDs) was synthesized by microwave method. The corrosion inhibition behavior of N-CDs for N80 steel in 3% saturated CO2 saline solution was systematically investigated by weight loss, electrochemical measurements, corrosion morphology and microscopic morphology and element analysis. Results revealed the suppression performance was improved significantly after adding N-CDs and the inhibition efficiency reached up to 83.5% at 600 mg/L of N-CDs. The electrochemical results demonstrated that as-prepared N-CDs was a mixed corrosion inhibitor dominated by the control anode. In addition, SEM results manifested that the addition of corrosion inhibitor N-CDs slowed down the corrosion of N80 carbon steel surface, which was attributed to the formation of adsorption film of corrosion inhibitor molecules on carbon steel. The purpose of this work is to explore the inhibitory effect of the environmentally friendly and efficient corrosion inhibitor nanomaterials used in the protection of N80 carbon steel metal in saline solution.

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ACKNOWLEDGMENTS

The authors thank the Southwest Petroleum University, Institute, Chengdu, China for providing the research facilities needed . This work was supported by the National Science and Technology Major Project of China (no. 2016ZX05016004-004).

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Authors and Affiliations

  1. College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, 610500, Sichuan, China

    Xiaodan Wu, Jianbo Li, Chaoyi Deng & Lan Yang

  2. Industrial Environmental Monitoring Research Institute, Chengdu, 610500, Sichuan, China

    Jie Lv

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  1. Xiaodan Wu
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  2. Jianbo Li
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  4. Chaoyi Deng
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  5. Lan Yang
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Correspondence to Jianbo Li.

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Wu, X., Li, J., Lv, J. et al. Novel Сarbon Dots for Corrosion Inhibition of N80 Carbon Steel in 3% Saturated CO2 Saline Solution. Russ J Appl Chem 94, 1111–1121 (2021). https://doi.org/10.1134/S1070427221080139

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