Improved performance in GaInNAs solar cells by hydrogen passivation
M Fukuda, VR Whiteside, JC Keay, A Meleco… - Applied Physics …, 2015 - pubs.aip.org
The effect of UV-activated hydrogenation on the performance of GaInNAs solar cells is
presented. A proof-of-principle investigation was performed on non-optimum GaInNAs cells,
which allowed a clearer investigation of the role of passivation on the intrinsic nitrogen-
related defects in these materials. Upon optimized hydrogenation of GaInNAs, a significant
reduction in the presence of defect and impurity based luminescence is observed as
compared to that of unpassivated reference material. This improvement in the optical …
presented. A proof-of-principle investigation was performed on non-optimum GaInNAs cells,
which allowed a clearer investigation of the role of passivation on the intrinsic nitrogen-
related defects in these materials. Upon optimized hydrogenation of GaInNAs, a significant
reduction in the presence of defect and impurity based luminescence is observed as
compared to that of unpassivated reference material. This improvement in the optical …
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