Abstract

A super-lattice (SL) solar cell has been proposed and approven to be a good candidate to overcome the current mismatch issue in the tadem solar cell. In this report, a SLs cell was tested under optical concentration to explore the potential to be applied as high efficiency single junction solar cell. Compared with a reference GaAs cell, the SLs cell presented a promising enhancement in open-circuit voltage (Voc) with increasing concentration ratio. Taking advantage of the enhanced current density and the minimized drop of Voc, a SLs solar cell could exhibit its best performance under a concentration condition.

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