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The application of luminescent down shifting (LDS) layers as alternative UV filters for CH3NH3PbI3(1-x)Cl3x perovskite solar cell (PSC) devices is reported. A combination of photo-absorption measurements and of device decay measurements during light soaking are used to verify the stability. The application of a UV filter or LDS layer was able to significantly retard photo-induced degradation with...
An organometal halide perovskite light absorber is a promising material for solar cell applications. On the other hand, the poor stability of perovskite under normal conditions has limited its wider industrial applications. This paper reports that the solar cell architecture can be simplified by removing the hole transporting material HTM. In addition, device sealing helps reduce the degradation of...
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