Browsing by Author "Onyenankeya, Kevin"

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    Electrochemical signature of CuS photosensitizers thermalized from alkyldithiocarbamato Cu(II) molecular precursors for quantum dots sensitized solar cells
    (Elsevier, 2020-12-10) Agoro, Mojeed A. ; Mbese, Johannes Z. ; Meyer, Edson L. ; Onyenankeya, Kevin
    Environmental friendly and affordable energy sources is one of the biggest challenges of modern society. The substantial negative impact of fossil fuels on the environment has prompted the need for clean and sustainable solar energy. Recent reports affirm that increase in photovoltaic conversion efficiency is directly linked to morphology control resulting in excellent catalytic activity on the active layer. Herein, we report on the fabrication of (H is the addition of hexadecylamine HDA capping agents CuSH) and (CuS without HDA) photosensitizers using molecular precursor approach. The obtained CuS-H and CuS were characterized using structural, morphological and electrochemical instruments. The CV, EIS and bode plot results show that CuS displayed stronger electrocatalytic activity as a good optimum sensitizer. J-V efficiency obtained indicates that the CuS exhibited a much better efficiency in the QDSCs compared to CuS-H.