溶胶-凝胶-水热晶化法制备锐钛矿TiO2纳米膜的耐蚀性能

doi:10.3866/PKU.WHXB20110433

物理化学学报 >> 2011, Vol. 27 >> Issue (05): 1122-1127.doi: 10.3866/PKU.WHXB20110433

溶胶-凝胶-水热晶化法制备锐钛矿TiO₂纳米膜的耐蚀性能

云虹^1,2, 林昌健¹, 杜荣归¹

1. 厦门大学化学化工学院化学系, 固体表面物理化学国家重点实验室, 福建厦门 361005;
2. 上海高校电力腐蚀控制与应用电化学重点实验室, 上海电力学院能源与环境工程学院, 上海 200090

收稿日期:2010-12-07 修回日期:2011-02-11 发布日期:2011-04-28
通讯作者: 林昌健 E-mail:cjlin@xmu.edu.cn
基金资助:
国家自然科学基金(50571085, 20773100, 21003089)和国家高技术研究发展专项(2009AA03Z327)资助项目

Anticorrosion Properties of Nano Anatase TiO₂ Films Derived from Sol-Gel and Hydrothermal Crystallization

YUN Hong^1,2, LIN Chang-Jian¹, DU Rong-Gui¹

1. State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian Province, P. R. China;
2. Key Laboratory of Shanghai Colleges and Universities for Electric Power Corrosion Control and Applied Electrochemistry, Department of Energy Source and Environment Engineering, Shanghai University of Electric Power, Shanghai 200090, P. R. China

Received:2010-12-07 Revised:2011-02-11 Published:2011-04-28
Contact: LIN Chang-Jian E-mail:cjlin@xmu.edu.cn
Supported by:
The project was supported by the National Natural Science Foundation of China (50571085, 20773100, 21003089) and National High Technology Research and Development Program of China (2009AA03Z327).

摘要/Abstract

摘要：

以钛酸正丁酯为前驱体, 采用溶胶-凝胶-水热晶化法在不锈钢(SS)表面制备TiO₂纳米膜. 利用X射线衍射(XRD)、Raman光谱、场发射扫描电子显微镜(SEM)、原子力显微镜(AFM)和俄歇电子能谱(AES)表征了TiO₂纳米膜的晶型、表面形貌和表面化学组成. 通过极化曲线和电化学阻抗谱(EIS)研究了TiO₂纳米膜的耐蚀性能. 170 °C下水热晶化制备的锐钛矿TiO₂与450 °C焙烧制备的锐钛矿TiO₂的结晶度类似, 但两种TiO₂薄膜的表面结构存在明显差异, 水热晶化法制备的TiO₂纳米膜在3.5% (w) NaCl溶液中的耐蚀性能优于焙烧法制备的.

关键词: 水热晶化, 锐钛矿TiO₂, 腐蚀与防护

Abstract:

Nano TiO₂ films were applied to the surface of stainless steel (SS) by sol-gel and hydrothermal crystallization using Ti(O(CH₂)₃CH₃)₄ as a precursor. The properties of the TiO₂ films were determined by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), atomic force microscopy (AFM), and Auger electron spectroscopy (AES). The corrosion performance of the TiO₂ films was evaluated by electrochemical impedance spectroscopy (EIS) and polarization measurements. Anatase TiO₂ films prepared by hydrothermal crystallization at 170 °C showed similar crystallization to those prepared by conventional calcination at 450 °C. The TiO₂ prepared by the two methods were, however, obviously different from the surface structure and the material prepared by hydrothermal crystallization showed better anticorrosion performance in 3.5% (w) NaCl solution compared with the material prepared by calcination.

Key words: Hydrothermal crystallization, Anatase TiO₂, Corrosion and protection

云虹, 林昌健, 杜荣归. 溶胶-凝胶-水热晶化法制备锐钛矿TiO₂纳米膜的耐蚀性能[J]. 物理化学学报, 2011, 27(05), 1122-1127. doi: 10.3866/PKU.WHXB20110433

YUN Hong, LIN Chang-Jian, DU Rong-Gui. Anticorrosion Properties of Nano Anatase TiO₂ Films Derived from Sol-Gel and Hydrothermal Crystallization[J]. Acta Phys. -Chim. Sin. 2011, 27(05), 1122-1127. doi: 10.3866/PKU.WHXB20110433

链接本文: https://www.whxb.pku.edu.cn/CN/10.3866/PKU.WHXB20110433

https://www.whxb.pku.edu.cn/CN/Y2011/V27/I05/1122

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溶胶-凝胶-水热晶化法制备锐钛矿TiO₂纳米膜的耐蚀性能

Anticorrosion Properties of Nano Anatase TiO₂ Films Derived from Sol-Gel and Hydrothermal Crystallization

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