Effects of Thickness Variation in the Multilayer Thin Film on the Performance of Eta Solar Cell

Abstract

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 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.