Thick film silver paste containing copper and lead—tellurium—oxide and its use in the manufacture of semiconductor devices

摘要

The present invention is directed to a thick film silver paste comprising (i) silver, (ii) copper, and (iii) a Pb—Te—O all dispersed in an organic medium. The present invention is further directed to an electrode formed from the paste and a semiconductor device and, in particular, a solar cell comprising such an electrode. The electrodes provide good electrical performance.

主权项

1. A thick film silver paste comprising:
(a) silver; (b) copper; (c) Pb—Te—O; and (d) organic medium;said thick film silver paste comprising 65-95 vol % silver and 5-35 vol % copper, wherein said vol % are based on the total volume of said silver and said copper and wherein said silver, said copper, and said Pb—Te—O are dispersed in said organic medium.