Photoluminescence Analysis of a 16.8% Efficient 18-um Silicon Solar Cell
نویسندگان
چکیده
This paper presents the characterization and analysis of a 16.8%-efficient 18 um silicon solar cell on steel substrate. Photoluminescence (PL) is used to monitor the solar cell’s fabrication step by step, and a correlation between PL intensity and implied open circuit voltage is established. PL images yield spatially resolved maps of key electrical parameters such as dark reverse saturation current density, open circuit voltage, series resistance, short circuit current density at maximum power point and efficiency. Light IV/dark IV curve fitting and local ideality factor curve fitting are used to extract electrical parameters. Keywords—18 um, curve fitting, photoluminescence, solar cell, steel substrate, thin silicon.
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