12 January 2018 Study on photoelectric parameter measurement method of high capacitance solar cell
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Abstract
The high efficiency solar cells usually have high capacitance characteristic, so the measurement of their photoelectric performance usually requires long pulse width and long sweep time. The effects of irradiance non-uniformity, probe shielding and spectral mismatch on the IV curve measurement are analyzed experimentally. A compensation method for irradiance loss caused by probe shielding is proposed, and the accurate measurement of the irradiance intensity in the IV curve measurement process of solar cell is realized. Based on the characteristics that the open circuit voltage of solar cell is sensitive to the junction temperature, an accurate measurement method of the temperature of solar cell under continuous irradiation condition is proposed. Finally, a measurement method with the characteristic of high accuracy and wide application range for high capacitance solar cell is presented.
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Junchao Zhang, Limin Xiong, Haifeng Meng, Yingwei He, Chuan Cai, Bifeng Zhang, Xiaohui Li, Changshi Wang, "Study on photoelectric parameter measurement method of high capacitance solar cell", Proc. SPIE 10621, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 1062121 (12 January 2018); doi: 10.1117/12.2295674; https://doi.org/10.1117/12.2295674
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