Effects of Thickness Variation in the Multilayer Thin Film on the Performance of Eta Solar Cell
A highly structured eta solar cell of the type TiO2/In(OH)xSy/Pb(OH)xSy/PEDOT:PSS/Au with different layer thickness has been fabricated using various deposition techniques for each layer in the stack. The solar cell parameters, Uoc, FF and 14Î·"> have been extracted from current- voltage characteristics measurements. The buffer layer and the hole collector layer have been kept constant while the window and the absorber layer have been varied. The thickness of either of the two layers being varied has been observed to affect the performance of the solar cells. The difference in thickness has been attributed to affect the charge lifetime in the space charge region therefore affecting the performance of the solar cell.
Keywords: Thin film; TiO2; eta solar cell; photovoltaic; spray pyrolysis; chemical bath
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