Formation of Porous Anodic Film on Titanium in Acid Media Containing Fluoride Ions at Low Over-potentials

被引：0
|
作者：
Concha, O. [1 ]
Castaneda, I. [2 ]
Guardian, R. [1 ]
Marban, A. [1 ]
Mayorga, D. [1 ]
Cuentas, K. [3 ]
Uruchurtu, J. [1 ]
Rincon, M. [3 ]
Menchaca-Campos, C. [1 ]
机构：
[1] Ctr Invest Ingn & Ciencias Aplicadas UAEM, Toluca, Mexico
[2] Univ Tecnol Zacatecas, Zacatecas, Zac, Mexico
[3] Inst Energias Renovables UNAM, Toluca, Mexico
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2015年 / 10卷 / 08期
关键词：
Titanium; anodic porous film; oxide porous film; electrochemistry; acid; fluoride; CORROSION INHIBITION; BROMIDE SOLUTION; WATER-CONTENT; CARBON-STEEL; TIO2; OXIDE; OXIDATION; GROWTH; COPPER; ALUMINUM;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Titanium oxide nanoporous structures have gained interest due to their possible applications, mainly in the fields of biomaterials, solar energy conversion, photoelectrolysis, and photocatalysis. This work presents the porous anodic film electrochemically formed at low over-potentials on titanium in acid media containing fluoride ions. The anodic titanium oxide growth in acid media has been investigated using potentiodynamic, potentiostatic and electrochemical impedance spectroscopy. Nanometric film pores were formed in the presence of fluoride ions and characterization were provided by scanning electron microscope and digital holography. Depending on experimental conditions, they may contribute to the pore formation and anodic over-potentials facilitate fluoride adsorption and film rupture promoting porous anodic film formation on titanium.
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收藏
页码：6175 / 6186
页数：12
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