Effect of thickness: as case study of electrodeposited CdS in Cds/CdTe based photovoltaic devices

OJO, A. A., SALIM, H.I., OLUSOLA, O.I., MADUGU, M.L. and DHARMADASA, I (2017). Effect of thickness: as case study of electrodeposited CdS in Cds/CdTe based photovoltaic devices. Journal of Materials Science: Materials in Electronics, 28 (4), 3254-3263.

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Official URL: https://link.springer.com/article/10.1007%2Fs10854...
Link to published version:: 10.1007/s10854-016-5916-0

Abstract

The effect of electrodeposition technique on CdS thickness incorporated in CdS/CdTe-based solar cell has been investigated using all-electrodeposited g/FTO/n-CdS/n-CdTe/p-CdTe multilayer device configuration. The optical, morphological and structural properties of the electroplated CdS were investigated for CdS thicknesses between 50nm and 200 nm. The observed CdS bandgap ranges between 2.42 and 2.46 eV. The morphological analysis shows full coverage of underlying g/FTO substrate for all CdS thicknesses except for the 50 nm which shows the presence of gap in-between grains. The structural analysis shows a preferred orientation of H(101) for all the CdS thicknesses except the 50 nm thick CdS which shows either a weak crystallinity or an amorphous nature. The fabricated solar cell shows a maximum conversion efficiency of ~11% using CdS thickness ranging between 100 and 150 nm. These results show that although low CdS thickness is desirable for photovoltaic application, the effect of nucleation mechanism of deposition technique should be taken into consideration.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
Identification Number: 10.1007/s10854-016-5916-0
Depositing User: Helen Garner
Date Deposited: 28 Oct 2016 15:55
Last Modified: 25 Oct 2017 21:48
URI: http://shura.shu.ac.uk/id/eprint/13908

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