abstract |
The paste composition of the present invention comprises silver powder, glass frit, Bi 2 O 3 , a metal additive, and an organic medium. The invention further relates to an electrode formed from the paste composition of the invention and a semiconductor device comprising such an electrode, in particular a solar cell. The paste composition of the present invention provides a solderable electrode that is particularly useful for forming solar cell backside busbars on an aluminum layer covering the entire solar cell backside. |