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
收藏
页码：1073 / 1077
页数：5
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