TY - GEN
T1 - Increased cell efficiency in InGaAs thin film solar cells with dielectric and metal back reflectors
AU - Aydin, Koray
AU - Leite, Marina S.
AU - Atwater, Harry A.
PY - 2009
Y1 - 2009
N2 - Compound single junction and multijunction solar cells enable very high photovoltaic efficiencies by virtue of employing different band gap materials in series-connected tandem cells to access the full solar spectrum. Researchers focused on improving the electrical properties of solar cells by optimizing the material growth conditions, however relatively little work to date has been devoted to light trapping and enhanced absorption in III-V compound solar cells using back reflectors. We studied absorption enhancement in InGaAs and InGaAsP thin film solar cells by means of numerical modeling. Flat dielectric and metal back reflectors that might be introduced into the solar cell via wafer-bonding, epitaxial lift-off or deposition techniques have been shown to increase the short circuit current and the photovoltaic efficiency of solar cells.
AB - Compound single junction and multijunction solar cells enable very high photovoltaic efficiencies by virtue of employing different band gap materials in series-connected tandem cells to access the full solar spectrum. Researchers focused on improving the electrical properties of solar cells by optimizing the material growth conditions, however relatively little work to date has been devoted to light trapping and enhanced absorption in III-V compound solar cells using back reflectors. We studied absorption enhancement in InGaAs and InGaAsP thin film solar cells by means of numerical modeling. Flat dielectric and metal back reflectors that might be introduced into the solar cell via wafer-bonding, epitaxial lift-off or deposition techniques have been shown to increase the short circuit current and the photovoltaic efficiency of solar cells.
UR - http://www.scopus.com/inward/record.url?scp=77951557154&partnerID=8YFLogxK
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U2 - 10.1109/PVSC.2009.5411432
DO - 10.1109/PVSC.2009.5411432
M3 - Conference contribution
AN - SCOPUS:77951557154
SN - 9781424429509
T3 - Conference Record of the IEEE Photovoltaic Specialists Conference
SP - 1713
EP - 1717
BT - 2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009
T2 - 2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009
Y2 - 7 June 2009 through 12 June 2009
ER -
