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In this work, we report dark current reduction in solution-processed PbS nanocrystal-metal Schottky junction solar cells via improved LiF passivation of the interface between PbS nanocrystal films and the metal electrode. For the optimized LiF interfacial layer, the dark saturation current density (J0) is decreased by at least one order of magnitude, resulting in very high open-circuit voltage (Voc)...
Advances in the architecture of GaInP solar cells have recently lead to ∼21% conversion efficiencies under the global spectrum due to high radiative efficiencies, and the resulting strong luminescent coupling in GaInP/GaAs tandems has lead to record dual-junction efficiencies. The suitability of these newer GaInP cells to space applications has not been examined, however. Here we present a study to...
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