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Evaluation of the Electrical Characteristics of Thin-Film Solar
Cells at
United Solar OvonicsTroy, Michigan
Carolyn HartzellSeptember 24, 2010
• Thin-Film solar cells• Adhesive mounting and
flexibility great for applicationsHouse in Germany
QinetQ Zephyr
Triple Junction Solar Cell
• Three different cells combined in series – layered
• Performance variables: Pmax, Isc, Voc, FF, Rs, Efficiency
Efficiency: • Can calculate from power output and area• More informatively, can calculate each individual cell, and combine
Spire Project:
• Solar simulator– Problem: spectrum
mismatch– Solution: blue filter– Other tasks:
optimize, determine calibration procedure