Evaluation of synthesized graphene oxide as corrosion protection film coating on steel substrate by electrophoretic deposition

Ching Yuan Ho, Shih Ming Huang, Sze Tsen Lee, Yaw Jen Chang

研究成果: Article同行評審

27 引文 斯高帕斯(Scopus)

摘要

Graphene oxide (GO) synthesized from a flake-type of graphite powder, which was oxidized by various oxidizing agents, temperature control and two sets of drying processes, was electrophoresed on steel substrate for corrosion protection evaluation. The surface morphology, phase crystallization and defect states were determined by Electron microscopy equipped with an Energy dispersion spectrometry, X-ray diffraction and Raman and infrared spectra. The degrees of graphene oxide formation, intercalated defects and crystalline were observed by the impurities’ changes and extending d-spacing. Besides, the BET, Zeta potential and electrochemical impedance spectra were measured to evaluate corrosion protection performance of GO electrophoresis deposition on steel. A strong oxidizing agent (NaNO3) with freeze drying provides high oxygenated functional groups in GO, thus, providing good corrosion protection against hydrochloric acid aqueous due to dense electrophoresis deposition, a lower corrosive current and high resistance of the carrier pathway.

原文English
頁(從 - 到)226-231
頁數6
期刊Applied Surface Science
477
DOIs
出版狀態Published - 2019 五月 31

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 凝聚態物理學
  • 物理與天文學 (全部)
  • 表面和介面
  • 表面、塗料和薄膜

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