Hou Panchao,Yang Yue,Zhou Jingmiao,et al.Preparation and corrosion resistance of ZnO/GO composite thin film electrodes[J].Plating & Finishing,2024,(10):50-55.
ZnO/GO复合薄膜电极的制备及其耐腐蚀性能
- Title:
- Preparation and corrosion resistance of ZnO/GO composite thin film electrodes
- Keywords:
- zinc oxide; graphene oxide; composite films; electrocatalysis; sol-gel method
- 分类号:
- TQ153.2
- 文献标志码:
- A
- 摘要:
- 本文利用溶胶-凝胶法制备了氧化锌/氧化石墨烯（GO）复合薄膜材料。通过扫描电子显微镜发现复合薄膜中的GO颗粒之间无明显间隙，致密性良好。由傅里叶红外光谱测试证实GO在氧化锌薄膜中成功掺杂。通过阳极极化测试发现，相比于氧化锌薄膜，ZnO/GO复合薄膜的腐蚀电位值正移，腐蚀电流密度值减小。交流阻抗测试说明，GO的掺杂提高了复合薄膜的耐腐蚀性能，经450 ℃退火的薄膜样品耐腐蚀性能最佳。线性扫描伏安曲线表明，ZnO/GO复合薄膜的电流密度高于ZnO薄膜，说明ZnO的复合提高了薄膜材料的电催化活性。
- Abstract:
- In this paper, ZnO/ graphene oxide (GO) composite thin film materials were prepared by sol-gel method. It was found by scanning electron microscopy that there was no obvious gap between the GO particles in the composite film, and the density was good. The successful doping of GO in the ZnO film was confirmed by Fourier infrared spectroscopy test. By anodic polarization test, it was found that the corrosion potential value of ZnO/GO composite film was positively shifted and the value of corrosion current density was decreased compared with ZnO film. The AC impedance test indicated that the corrosion resistance of the composite films was improved by doping of GO. The best corrosion resistance was obtained for the film samples annealed at 450 ℃. Linear scanning voltammetry curves showed that the current density of ZnO/GO composite films was higher than that of ZnO films, indicating that the electrocatalytic activity of the film material was improved by composite of ZnO particles.
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