Characterization of MOCVD Thin-Film CdTe Photovoltaics on Space-Qualified Cover Glass

This paper details the AM0 conversion efficiency of a metal-organic chemical vapor phase deposition thin-film cadmium telluride (CdTe) solar cell deposited onto a cerium-doped cover glass (100 μm). An AM0 best cell conversion efficiency of 12.4% (0.25-cm 2 contact area) is reported. An AM0 mean effi...

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Bibliographic Details
Published in:IEEE journal of photovoltaics 2016-03, Vol.6 (2), p.557-561
Main Authors: Lamb, Daniel Ash, Irvine, Stuart James C., Clayton, Andrew James, Kartopu, Giray, Barrioz, Vincent, Hodgson, Simon David, Baker, Mark A., Grilli, Rossana, Hall, James, Underwood, Craig I., Kimber, Richard
Format: Article
Language:English
Subjects:
Cadmium compounds
Cadmium telluride (CdTe)
Glass
II-VI semiconductor materials
metal-organic chemical vapor deposition (MOCVD)
MOCVD
photovoltaic (PV) cells
Photovoltaic systems
Space vehicles
transparent conductive oxide (TCO)
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Summary:This paper details the AM0 conversion efficiency of a metal-organic chemical vapor phase deposition thin-film cadmium telluride (CdTe) solar cell deposited onto a cerium-doped cover glass (100 μm). An AM0 best cell conversion efficiency of 12.4% (0.25-cm 2 contact area) is reported. An AM0 mean efficiency of 12.1% over eight cells demonstrated good spatial uniformity. Excellent adhesion of the cell structure to the cover glass was observed with an adhesive strength of 38 MPa being measured before cohesive failure of the test adhesive. The device structure on cover glass was also subject to severe thermal shock cycling of +80 °C to -196 °C, showing no signs of delamination and no deterioration of the photovoltaic (PV) performance.
ISSN:2156-3381
2156-3403
DOI:10.1109/JPHOTOV.2016.2520199