Effect of Temperature on Electrical Parameters of Phosphorous Spin–on Diffusion of Polysilicon Solar Cells
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JREE-4-1_005
تاریخ نمایه سازی: 10 آبان 1402
Abstract:
Effects of temperature on electrical parameters of polysilicon solar cells, fabricated using the phosphorous spin-on diffusion technique, have been studied. The current density–voltagecharacteristics of polycrystalline silicon solar cells were measured in dark at different temperaturelevels. For this purpose, a diode equivalent model was used to obtain saturation current densitiesmeasured at the required temperatures. The experimental results showed that the increase intemperature from ۲۷ to ۷۰˚C produced a rapid increase in the saturation current densities from ۰.۰۰۰۰۳to ۰.۰۰۰۵A. The changes in the open circuit voltage and the short circuit current density were found tobe linear with the temperature variations: about ۳ mV/˚C reduction in the open circuit voltage wasobserved. Measurements of the short circuit current density revealed a very small dependency of thecurrent density on the temperature variations. Accordingly, the short circuit current density increasedfrom ۱۷.۸ to ۱۸.۴ mA with increase in temperature from ۲۷ to ۱۰۷˚C. Measurements of the outputpower versus load resistance were obtained at different temperature levels. The results showed that theoutput power dropped by ۳۰% with temperature rise from ۲۷ to ۱۰۷˚C.
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Authors
Siamak Azimi-Nam
Department of Advanced Materials and Renewable Energy, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran
Foad Farhani
Department of Mechanical Engineering, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran
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