Fabrication and characterization of porous CdS/dye sensitized solar cells
Abstract
Dye sensitized solar cells (DSSCs) were fabricated from porous cadmium sulfide (CdS) nanocrystalline thin films. The porous CdS nanostructured thin films were deposited onto FTO/glass substrates by the chemical bath deposition (CBD) method. The surface morphology, crystalline structure, and optical properties of the prepared nanocrystalline thin films were investigated. Rhodamine B, Malachite green, Eosine methylene blue, and Cresyl violet dyes were used to fabricate the DSSC devices. Comparing by the absorption spectrum of the prepared porous CdS nanocrystalline films, all dyes showed an absorption peak in the transparent range of CdS thin films indicating that they are suitable for the preparation of DSSCs with CdS. Current-voltage (I-V) characteristics showed that the fabricated solar cell using malachite green dye had the highest conversion efficiency of 0.83% while using Rhodamine B dye produces a solar cell with lowest efficiency of 0.38%. However, heat treatment to the fabricated solar cells caused significant enhancement in the output of all devices.
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Copyright (c) 2018 Haider Abdulelah, Basil Ali, M. A. Mahdi, Ali Q.Abedall, J.J. Hassan, H.F Altaee, P. Jennings
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