Influence of CdS Morphology on the Efficiency of Dye-Sensitized Solar Cells.

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ID: 22882
2018
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Abstract
Cadmium sulfide (CdS) used in dye-sensitized solar cells (DSSCs) is currently mainly synthesized by chemical bath deposition, vacuum evaporation, spray deposition, chemical vapor deposition, electrochemical deposition, sol-gel, solvothermal, radio frequency sputtering, and hydrothermal process. In this paper, CdS was synthesized by hydrothermal process and used with a mixture of titanium dioxide anatase and rutile (TiO) to build the photoanode, whereas the counter electrode was made of nanocomposites of conductive polymer polyaniline (PANI) and multiwalled carbon nanotubes (MWCNTs) deposited on a fluorine-doped tin oxide substrate. Two morphologies of CdS have been obtained by using hydrothermal process: branched nanorods (CdS) and straight nanorods (CdS). The present work indicates that controlling the morphology of CdS is crucial to enhance the efficiency of DSSCs device. Indeed, the higher power conversion energy of 1.71% was achieved for a cell CdS-TiO/PANI-MWCNTs under 100 mW/cm, whereas the power conversion energy of 0.97 and 0.83% for CdS-TiO/PANI-MWCNTs and TiO/PANI-MWCNTs, respectively. Therefore, by increasing the surface to volume ratio of CdS nanostructures and the crystallite size into those structures opens the way to low-cost chemical production of solar cells.
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alkuam2018influenceacs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Alkuam, Entidhar;Badradeen, Emad;Guisbiers, Grégory;
Journal ACS omega
Year 2018
DOI
10.1021/acsomega.8b01631
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