SURFACE MODIFICATION OF POLYCRYSTALLINE ALUMINUM SUBSTRATE IN SOLUTION CONTAINING TETRAPHENYLBORATE ANION

被引：0

作者：

KULANDAINATHAN, MA ^{[1
]}

PHANI, KLN ^{[1
]}

IYER, SV ^{[1
]}

机构：

[1] CENT ELECTROCHEM RES INST,KARAIKKUDI 623006,TAMIL NADU,INDIA

来源：

ELECTROCHIMICA ACTA | 1993年 / 38卷 / 08期

关键词：

ALUMINUM; POLYCRYSTALLINE; FACETING; HYDROPHOBIC;

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：

The effect of tetraphenylborate anions on the oxidation/reduction cycling behaviour of poly-crystalline aluminium surfaces in 0.1 M NaClO4 solutions in the context of elimination of passive oxide formation, roughening and faceting is examined. Surface area enhancement without passive film formation was revealed by the i-t transients and impedance spectra of untreated and treated electrodes. Scanning Electron Microscope studies show evidence for crystallite formation upon treatment. X-ray diffraction measurements revealed preferential orientation of pc-aluminium in the (111) direction.

引用

页码：1073 / 1077

页数：5

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