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The degradation behaviors of hydrogenated amorphous/microcrystalline silicon (a‐Si:H/µc‐Si:H) tandem solar cells are systematically investigated. It is found that the degradation of the tandem solar cells takes place not only under the light soaking but also after dark storage. The degradation in the efficiency of tandem solar cells is mainly due to a reduction of fill factor (FF) in our study. Different...
In this study, hydrogenated amorphous silicon (a‐Si:H) single junction and amorphous/microcrystalline silicon tandem (a‐Si:H/µc‐Si:H) solar cells with different back‐reflectors (BRs) are systematically investigated. A novel white polyvinyl butyral (PVB) foil was used as BR. In addition, the specular aluminum (Al) films and rough Al films were deposited on back float glasses as BRs as well, which were...
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