Development of ZnO nanowire based CdTe thin film solar cells

Major, Jonathan D ORCID: 0000-0002-5554-1985, Tena-Zaera, Ramon, Azaceta, Eneko, Bowen, L and Durose, K ORCID: 0000-0003-1183-3211
(2017) Development of ZnO nanowire based CdTe thin film solar cells. SOLAR ENERGY MATERIALS AND SOLAR CELLS, 160. pp. 107-115.

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This work reports on the development of CdTe thin film solar cells grown on ZnO nanowire arrays. The focus was placed on utilising ZnO nanowire arrays as a replacement to the conventional ZnO thin film buffer layer, thereby requiring minimal alteration to the existing solar cell structure. Incorporation of nanowires was found to alter subsequent film growth and processing, with the nanowire dimensions changing device performance significantly. Shorter, ~100 nm, wires were found to produce particularly low device performance of <0.5% whilst longer wires in the range 250–2000 nm were able to produce more functional cells. Working devices of up to 9.5% efficiency were achieved through the production of “embedded tip” nanowire solar cells. Variation of the nanowires length demonstrated that the nanowires were involved in carrier recombination and that this may be the performance limiting factor.

Item Type: Article
Uncontrolled Keywords: Nanowire, Photovoltaics, Cadmium Telluride, Solar
Depositing User: Symplectic Admin
Date Deposited: 17 Nov 2016 11:59
Last Modified: 19 Jan 2023 07:25
DOI: 10.1016/j.solmat.2016.10.024
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