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Abstract CdS quantum dots (QDs) and Ni-doped CdS QDs sensitized photoanodes were deposited over TiO2/FTO substrate by successive ionic layer adsorption and reaction (SILAR) method. The photoanodes were studied systematically;… Click to show full abstract
Abstract CdS quantum dots (QDs) and Ni-doped CdS QDs sensitized photoanodes were deposited over TiO2/FTO substrate by successive ionic layer adsorption and reaction (SILAR) method. The photoanodes were studied systematically; the results confirmed the anchoring of CdS or Ni-doped CdS over the spin-coated TiO2/FTO substrate. Among various photoanode solar cell assembles, 4% Ni concentration was found to be optimum due to better optical and photovoltaic property. The 4% Ni-doped CdS QDs maximum adsorption range is 550 nm with enhanced absorbance. It leads to enhancement in the cell efficiency from 0.53% to 1.67%.
Journal Title: Materials Letters
Year Published: 2022
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