Optimisation of CdTe electrodeposition voltage for development of CdS/CdTe solar cells

DISO, D. G., FAUZI, F., ECHENDU, O. K., OLUSOLA, O.I. and DHARMADASA, I (2016). Optimisation of CdTe electrodeposition voltage for development of CdS/CdTe solar cells. Journal of Materials Science: Materials in Electronics, 27 (12), 12464-12472.

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Official URL: http://link.springer.com/article/10.1007/s10854-01...
Link to published version:: https://doi.org/10.1007/s10854-016-4844-3
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    Abstract

    Cadmium telluride (CdTe) thin films have been deposited on glass/conducting glass (FTO) substrates using low-cost two electrode system and aqueous electrodeposition method. The glass/FTO substrates were used to grow the CdTe layers at different deposition voltages. The structural, electrical, optical and morphological properties of the resulting films have been characterized using X-ray diffraction (XRD), Photoelectrochemical (PEC) cell measurements, optical absorption spectroscopy and Scanning Electron Microscopy (SEM). The XRD results indicate that at voltages less than or higher than 1.576 V, crystallinity is poor due to presence of two phases. When CdTe is grown at 1.576 V, the composition is stoichiometric, and the (111) peak has the highest intensity in the XRD diffractogram indicating a high degree of crystallinity. SEM studies showed that all layers had pin-holes and gaps between the grains. These openings seem to be more common in the samples grown at voltages away from the stoichiometric voltage (1.576 V). The linear I–V curves of glass/FTO/CdS/CdTe/Au structures fabricated using stoichiometric CdTe showed efficiency of 10.1 % under AM 1.5 illumination

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Thin Films Research Centre
    Identification Number: https://doi.org/10.1007/s10854-016-4844-3
    Page Range: 12464-12472
    Depositing User: Carmel House
    Date Deposited: 22 Aug 2016 10:19
    Last Modified: 25 Jun 2020 10:18
    URI: http://shura.shu.ac.uk/id/eprint/13266

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