Abstract
The formation of inhibitive benzotriazole films on copper and copper alloyed with silver has been studied with scanning electrochemical
microscopy (SECM) and X-ray photoelectron spectroscopy (XPS). The SECM measurements showed that the film grows
rapidly on oxygen-free dehydrated copper (OF-HC) and that the rate depends on the substrate potential. The benzotriazole films
were also observed on silver alloyed copper; however, electropolishing prevents film growth by enriching the surface with silver.
XPS results show that the film consisted of [Cu(I)–BTA] on both materials. No evidence of [Ag(I)–BTA] was found.
microscopy (SECM) and X-ray photoelectron spectroscopy (XPS). The SECM measurements showed that the film grows
rapidly on oxygen-free dehydrated copper (OF-HC) and that the rate depends on the substrate potential. The benzotriazole films
were also observed on silver alloyed copper; however, electropolishing prevents film growth by enriching the surface with silver.
XPS results show that the film consisted of [Cu(I)–BTA] on both materials. No evidence of [Ag(I)–BTA] was found.
| Original language | English |
|---|---|
| Article number | 0013-4651/2006/153(8)/B311/8/ |
| Pages (from-to) | B311-B318 |
| Number of pages | 7 |
| Journal | Journal of the Electrochemical Society |
| Volume | 153 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 13 Jun 2006 |
| MoE publication type | A1 Journal article-refereed |
Keywords
- SECM
- copper alloys
- adsorption
- corrosion inhibition