THE CHEMISTRY OF THE ADDITIVES IN AN ACID COPPER ELECTROPLATING BATH - THE INSTABILITY OF 4,5-DITHIAOCTANE-1,8-DISULFONIC ACID IN THE BATH ON OPEN CIRCUIT

被引：112

作者：

HEALY, JP ^{[1
]}

PLETCHER, D ^{[1
]}

GOODENOUGH, M ^{[1
]}

机构：

[1] LEARONAL LTD,HIGH PEAK LABS,BUXTON SK15 9SS,DERBY,ENGLAND

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1992年 / 338卷 / 1-2期

关键词：

D O I：

10.1016/0022-0728(92)80421-Y

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

It is widely believed that 4,5-dithiaoctane-1,8-disulphonic acid, [SCH2CH2CH2SO3H]2, a common brightener in acid copper electroplating baths, is not stable in the electroplating bath even when it is not in operation. This has been confirmed and the mechanism of the decomposition process is defined by investigating the chemistry and electrochemistry of each species present in the bath. It is shown that the complex, Cu(I)SCH2CH2CH2SO3H has an important role in determining the behaviour of the electroplating bath.

引用

页码：167 / 177

页数：11

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