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The effect of Ag incorporation on the kesterite CZTSSe thin film by vacuum process has been investigated aiming for the band engineering of the kesterite solar cells. Phase stability, crystalinity, morphology and optical properties of Ag2ZnSnSe thin film were firstly reported and measured by XRD, SEM and UV-visible spectrometer in this work. We have successfully fabricated the ACZTSe thin films over...
The Cu2ZnSn(S,Se)4 (CZTSSe) absorbers were fabricated by two step process which consists of deposited stacking precursor followed by selenization. We investigated the influence of adding sodium into CZTSSe absorbers via sputtering NaF layer during the fabrication of precursor, or evaporating NaF layer on top of CZTSSe absorbers followed by vacuum annealing. We discovered that the NaF layer at the...
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