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使用蒲桃属植物合成氧化镉纳米颗粒（CdO-NPs）的绿色方法：探索CdO纳米颗粒在酸性环境中作为低碳钢缓蚀剂的工业应用。

Green synthesis of cadmium oxide nanoparticles (CdO-NPS) using syzygium cumini: exploring industrial applications of CdO NPs as a corrosion inhibitor of mild steel in the acidic environment.

作者信息

Sivalingam Sivakumar, Kavirajwar Jyoti, Seethalakshmi K, Gayathri Jayagopi, Roniboss A

机构信息

Vel TechRangarajan Dr. Sagunthala R&D Institute of Science and Technology Avadi Chennai 600062 India

Kristu Jayanti College (Autonomous) Bangalore India.

出版信息

RSC Adv. 2024 Mar 6;14(12):7932-7939. doi: 10.1039/d4ra00560k.

DOI:10.1039/d4ra00560k
PMID:38454945
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10915717/
Abstract

Potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS) and weight loss measurements were used to assess the effectiveness of CdO-NPs as a corrosion inhibitor for carbon steel in 0.5 M HSO. It was amply shown that as the concentration of CdO-NPs increased, the cathodic currents decreased and the active corroding sites were blocked completely. Moreover, a decrease in the mass of mild steel in an aggressive environment was reduced gradually with an increase in the concentration (ppm) of CdO-NPs inhibitor, resulting in an increase in the inhibition efficiency. The novel synthesized CdO-NPs were characterized by FT-IR, XRD and SEM-EDX spectroscopy.

摘要

采用动电位极化（PDP）、电化学阻抗谱（EIS）和失重测量法，评估了CdO纳米颗粒作为碳钢在0.5 M HSO中的缓蚀剂的有效性。结果充分表明，随着CdO纳米颗粒浓度的增加，阴极电流降低，活性腐蚀位点被完全阻断。此外，随着CdO纳米颗粒缓蚀剂浓度（ppm）的增加，在侵蚀性环境中低碳钢的质量减少逐渐降低，从而使缓蚀效率提高。通过傅里叶变换红外光谱（FT-IR）、X射线衍射（XRD）和扫描电子显微镜-能谱仪（SEM-EDX）对新合成的CdO纳米颗粒进行了表征。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/a61603b95156/d4ra00560k-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/c385bfc77bb6/d4ra00560k-s1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/5a9c50ac7f41/d4ra00560k-f2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/60ed45b35831/d4ra00560k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/93d00cb19ca7/d4ra00560k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/5674e343d2fb/d4ra00560k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/a61603b95156/d4ra00560k-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/c385bfc77bb6/d4ra00560k-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/ad3270e0bdba/d4ra00560k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/5a9c50ac7f41/d4ra00560k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/62a1dab5e0c5/d4ra00560k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/60ed45b35831/d4ra00560k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/93d00cb19ca7/d4ra00560k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/5674e343d2fb/d4ra00560k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e9c/10915717/a61603b95156/d4ra00560k-f7.jpg

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