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Irradiation and temperature dependency of the contact resistances in silicon solar cells based on measurement and simulation comparison

Ven, Vera van de (2024) Irradiation and temperature dependency of the contact resistances in silicon solar cells based on measurement and simulation comparison.

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Abstract:The use of solar panels is increasing as the world is moving towards a more sustainable way of using energy. To improve the efficiency of these solar cells the effects of environmental factors are investigated so the circumstances for maximum power output can be found. In this paper, the effect of irradiation and temperature on the contact resistances is examined. Temperature, for example, changes important parameters such as the bandgap energy and the mobility of carriers in the semiconductor material. As the focus is on contact resistances these are first characterised using the transmission line method (TLM). An equivalent model is used to further investigate the effect of changing parameters as increasing irradiation and nonidealities like extra current paths. Theoretical analysis shows that there is an optimal temperature range for the solar cell at which the internal material resistances are lowest. Results show that irradiation decreases the contact resistance. A specific relation is not found as shunt resistances greatly affect the outcome of measurements.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Programme:Electrical Engineering BSc (56953)
Link to this item:https://purl.utwente.nl/essays/104799
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