A high-efficiency corrosion inhibitor of N-doped citric acid-based carbon dots for mild steel in hydrochloric acid environment | |
Ye, Yuwei; Yang, Dongping; Chen, Hao; Guo, Shengda; Yang, Qiumin; Chen, Liyong; Zhao, Haichao; Wang, Liping | |
刊名 | JOURNAL OF HAZARDOUS MATERIALS |
2020 | |
卷号 | 381 |
关键词 | M HCL SOLUTION MOLECULAR-DYNAMICS GRAPHENE OXIDE MONTE-CARLO IONIC LIQUID AMINO-ACIDS GREEN EXTRACT DERIVATIVES PROTECTION |
DOI | 10.1016/j.jhazmat.2019.121019 |
英文摘要 | Novel N-doped carbon dots (CDs) were obtained through pyrolysis of ammonium citrate at 180 degrees C for 1, 2 and 3 h, and their corrosion inhibition effect on Q235 steel in 1 M HCl solution were evaluated through electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (Tafel), scanning vibrating electrode technique (SVET) analysis. The changes of corrosion current density and impedance modulus of Q235 steel in inhibitor solutions showed that the as-prepared carbon dots presented a valid protective effect on steel in 1 M HCl solution. Meanwhile, the inhibition efficiency of three carbon dots exceeded 90% at 200 mg/L and the highest inhibitive efficiency was found for the carbon dots prepared at the reaction time of 2 h. The adsorption mechanism of all as-prepared carbon dots complied with the Langmuir adsorption model, containing chemical and physical adsorptions, which was also confirmed by X-ray photoelectronic spectroscopy (XPS) analysis. |
学科主题 | Engineering ; Environmental Sciences & Ecology |
内容类型 | 期刊论文 |
源URL | [http://ir.nimte.ac.cn/handle/174433/20236] |
专题 | 2020专题 |
作者单位 | 1.Wang, LP (corresponding author), Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China. 2.Zhao, HC |
推荐引用方式 GB/T 7714 | Ye, Yuwei,Yang, Dongping,Chen, Hao,et al. A high-efficiency corrosion inhibitor of N-doped citric acid-based carbon dots for mild steel in hydrochloric acid environment[J]. JOURNAL OF HAZARDOUS MATERIALS,2020,381. |
APA | Ye, Yuwei.,Yang, Dongping.,Chen, Hao.,Guo, Shengda.,Yang, Qiumin.,...&Wang, Liping.(2020).A high-efficiency corrosion inhibitor of N-doped citric acid-based carbon dots for mild steel in hydrochloric acid environment.JOURNAL OF HAZARDOUS MATERIALS,381. |
MLA | Ye, Yuwei,et al."A high-efficiency corrosion inhibitor of N-doped citric acid-based carbon dots for mild steel in hydrochloric acid environment".JOURNAL OF HAZARDOUS MATERIALS 381(2020). |
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