Abstract
PbS is generally used as the preferred material for sensitizing layer in solar cells due to its wide range of band-gap tunability. As the light absorption in in sensitizing layer of solar cell depands on the band gap of the material, hence nano-crystalline PbS has a wider range of light absorption starting from the UV up to the NIR regions of the solar spectrum. In the present study we have simulated a FTO/ZnO/PbS/Al type structure using SCAPS-1D simulator, and the Current density curve is obtained for voltage characteristics is studied. With an aim of studying the effect of the thickness of the sensitization layer on the working of solar cell, the thickness of the nano-crystalline PbS layer is varied and the values of the essential solar cell factorsare acquired for the simulated solar cell.
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