Influence of base thickness on front and back side efficiency of thin film GaAs solar cells

Influence of base thickness on front and back side efficiency of thin film GaAs solar cells

Compared to conventional solar cells on a substrate, thin film GaAs cells show a higher efficiency at a lower thickness due to back surface reflection. The optimal cell thickness is 1.7 /spl mu/m. Thin film cells can also be illuminated from the rear side with an efficiency only 15% (relative) lower...

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Bibliographische Detailangaben
Hauptverfasser: Bauhuis, G.J., Mulder, P., Schermer, J.J., Voncken, M.M.A.J., Larsen, P.K.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Costs
Doping
Epitaxial growth
Gallium arsenide
Lighting
Photovoltaic cells
Plastic films
Reflection
Substrates
Transistors
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Zusammenfassung:Compared to conventional solar cells on a substrate, thin film GaAs cells show a higher efficiency at a lower thickness due to back surface reflection. The optimal cell thickness is 1.7 /spl mu/m. Thin film cells can also be illuminated from the rear side with an efficiency only 15% (relative) lower than for front side illumination.