Improved performance thin solar cells

1 December 1978

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Electron Devices

Vol. 25 (12) , 1405-1409
https://doi.org/10.1109/t-ed.1978.19363

Abstract

A silicon solar cell device structure was developed to improve performance from thin cells. The design has collecting junctions both on the illuminated and most of the dark sides. Since the two junctions function interdependently, the device is called a tandem junction cell (TJC). The photoresponseI-Vperformance of cells was measured in two modes, with either collection from the junctions on both sides, or collection from only the nonilluminated side. Efficient current collection from TJC cells was observed in both modes, and current collection improved as the cell thickness was reduced. At the calculated optimum thickness of 30-50 µm, collection for the two modes should be equivalent.

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