30 May '16, 3pm

Developing A More Efficient Solar Cell

Developing A More Efficient Solar Cell

Acting as a mirror, this layer reflects the share of sunlight not absorbed when penetrating the wafer back into the silicon wafer. Since the front side also reflects this light back into the wafer, it is also captured in the silicon wafer and the efficiency level of the solar cell increases. Drawing the electricity from the wafer requires many small apertures in the non-conductive layer in order to establish contact between the electrode metal and the silicon wafer. The LFC procedure creates each of these approximately 100,000 contacts per wafer with a single laser pulse.

Full article: http://cleantechnica.com/2016/05/30/developing-efficient-...

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