Where a conductive track is formed on a substrate other than a semiconductor substrate for a solar cell, the way in which the conductive paste is applied to the substrate is not particularly limited. For example, the conductive paste may be printed onto the substrate (e.g. inkjet printed or screen printed), or it may be coated onto the substrate (e.g. dip coated). The firing conditions are also not particularly limited but may be similar to those described above with reference to forming a surface electrode for a solar cell.
Where ranges are specified herein it is intended that each endpoint of the range is independent. Accordingly, it is expressly contemplated that each recited upper endpoint of a range is independently combinable with each recited lower endpoint, and vice versa.
Glass Frit and Inorganic Blend
Glass frits and inorganic blends were prepared using commercially available raw materials. The compositions of the glass frit and inorganic blends are given in Tables 1 2 and 3 below.
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