Study on corrosion of porous silicon in KOH and NaOH solution

被引：13

作者：

Lai, C. ^{[1
]}

Li, X. M. ^{[1
]}

Xiang, Z. ^{[2
]}

Tao, Z. ^{[1
]}

Zhang, D. X. ^{[1
]}

Yang, W. J. ^{[1
]}

机构：

[1] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 630044, Peoples R China

[2] Sichuan Univ Sci & Engn, Sch Chem & Pharmaceut Engn, Zigong, Peoples R China

来源：

CORROSION ENGINEERING SCIENCE AND TECHNOLOGY | 2014年 / 49卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Porous silicon; Corrosion; Alkali; Ethanol; MILD-STEEL; INHIBITION; POROSITY; IRON;

D O I：

10.1179/1743278214Y.0000000151

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion of porous silicon in KOH and NaOH aqueous solution with or without organic solvents was studied by weight loss measurements. The results show that the corrosion rate goes up with increasing temperature and concentration of alkali solution. In the 1.0M NaOH aqueous solution, the corrosion rate can be improved with the additives of ethanol or methanol, and reduced by the additives of acetonitrile, isopropanol or N, N-dimethylformamide. The activation parameters of E-a, A, Delta H-a and Delta S-a of porous silicon corrosion in KOH and NaOH aqueous solution with or without ethanol were calculated and discussed.

引用

页码：386 / 389

页数：4

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