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Theoretical maximum of concentration ratio as a function of the refractive index for CPV systems having half acceptance angles of 45°, 60°, and 90°.
Schematic diagram of a simple CPV system consisting of a PV cell and a dome-shaped PV concentrator.
Measured photocurrent as a function of bias voltage for PV cells encapsulated with high (1.57) and low (1.41) refractive-index materials as well as the unencapsulated PV cell. The inset shows photographs of the three fabricated CPV systems with two molded lenses and one unencapsulated cell.
Measured maximum output power as a function of the light incident angle for the CPV systems encapsulated with high-refractive-index material, low-refractive-index material, as well as not encapsulated.
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