Referenced Items are not available for this document.
The open circuit voltage Voc and reference voltage V ref defined as a measure of the dark current quality, have been studied for a large number of quantum well (QW) solar cells and homogenous control cells. Samples were grown in the AlxGa1-xAs/GaAs and GaAs/InyGa1-y As material systems. For both combinations, QW solar cells show a better voltage performance in Voc and Vref than one would expect from a single bandgap solar cell with the same effective absorption bandgap Ea. For the AlGaAs/GaAs cells, V oc is related to structural parameters of the QW cells such as the well width LW and the Al fraction x. For the strained GaAs/InGaAs cells a relationship is found between Vref and the barrier width LB, which is a dominant parameter in determining strain relaxation and defect formation at a fixed In fraction
Published in:
Photovoltaic Energy Conversion, 1994., Conference Record of the Twenty Fourth. IEEE Photovoltaic Specialists Conference - 1994, 1994 IEEE First World Conference on
(Volume:2
)
Date of Conference: 5-9 Dec 1994
- Page(s):
- 1783 - 1786 vol.2
- Meeting Date :
- 05 Dec 1994-09 Dec 1994
- Print ISBN:
- 0-7803-1460-3
- INSPEC Accession Number:
- 5189059
- Conference Location :
- Waikoloa, HI
- Digital Object Identifier :
- 10.1109/WCPEC.1994.520648
- Product Type:
- Conference Publications
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