Illuminated JV – Setup and Measurement René van Swaaij PVMD Delft University of Technology
Learning objectives • Typical JV testing setup
Learning objectives • Typical JV testing setup • Measurement procedure
Measurement Setup Light source(s) Shutter Sourcemeter Voltage supply Temperature probe 25 °C Solar cell Water cooling system Stage
Measurement Setup Light source(s) Shutter Sourcemeter Voltage supply Temperature probe 25 °C Solar cell Water cooling system Stage
Lamp spectra Xe lamp
Lamp spectra Filtered Xe lamp
Lamp spectra Ha lamp
Lamp spectra Ha lamp Filtered IR
Lamp spectra 19 LED’s Spectrum: Aescusoft LEDSim
Measurement Setup Light source(s) Shutter Sourcemeter Voltage supply Temperature probe 25 °C Solar cell Water cooling system Stage
Measurement Setup Light source(s) Shutter Sourcemeter Voltage supply Temperature probe 25 °C Solar cell Water cooling system Stage
2 Point probe A V
2 Point probe A V D D = 15.5 cm
2 Point probe · 𝐸 - cm - = 9.6A 𝐽 = 40 &' * (& ) A V D D = 15.5 cm
4 Point probe A V
Reference cell Source figure: Fraunhofer 2017
Reference cell Spectral Response [mA/W/m 2 ] Wavelength [nm] Source figure: Fraunhofer 2017
Video performing a measurement
Summary Solar simulator spectrum obtained by combining different • types of light sources
Summary Solar simulator spectrum obtained by combining different • types of light sources Accurate JV measurement by the 4-point probe method •
Summary Solar simulator spectrum obtained by combining different • types of light sources Accurate JV measurement by the 4-point probe method • Reference cells required to control the solar simulator’s • spectral intensity
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