Table 1 Kelvin potentials of different surfaces
Surface | Kelvin potential [mV] |
|---|---|
Cu (pure, unoxidized) | 70 |
Cu oxides | 150–180 |
Cu treated with organic metal/silver nanoparticle finish (50 nm layer) | 320–340 |
Cu treated with immersion silver (500 nm layer) | 400 |