Electrical performance tests on multi-crystalline silicon solar cells printed with extrusion, a novel metallization technology
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Electrical performance tests on multi-crystalline silicon solar cells printed with extrusion, a novel metallization technology
A novel approach to maximize the efficiency of silicon solar cells called extrusion printing has been developed at PARC. It is used to deposit contact-less, top contacts with narrow high aspect ratio lines to minimize the shading of the photosensitive front side. Theoretically, this technique is capable to increase the relative efficiency up to 5.5%. The purpose of this work is to demonstrate with experimental and theoretical (electrical) data, the capability of silicon wafers with co-extruded top contact metalization in comparison to the standard technique screen printing.
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