Abstract
In this study, a novel N and S co-doped carbon dots (N,S-CDs) had been prepared with content of N and S as high as 17% and 19%, respectively. Combining electrochemical, Fourier transform infrared (FT-IR), Raman, X-ray photoelectron spectroscopy (XPS) and micromorphology techniques to assess the inhibition performance of the N,S-CDs for copper in sulfuric acid solution. The new nanomaterials dispaly excellent effectiveness for copper (99.88%) at the concentration of 50 mg/L in 0.5 M H2SO4 solution, this work could provide a new idea for exploring environment-friendly and high efficient corrosion inhitiors for metal protection.
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