Improved Laplacian Photoluminescence image evaluation regarding the local diode back voltage distribution

Laplacian photoluminescence-based local diode voltage evaluation was shown recently to lead to correct mean values of the local saturation current density in mm-sized regions, but local maxima in the positions of recombination-active grain boundaries appear overestimated. It is shown here by 2-D dev...

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Veröffentlicht in:	Solar energy materials and solar cells 2018-01, Vol.174, p.277-282
Hauptverfasser:	Frühauf, F., Breitenstein, O.
Format:	Artikel
Sprache:	eng
Schlagworte:	Blurring Current density Current distribution Dark lock-in thermography Diffusion length imaging Electric potential Evaluation Grain boundaries Luminescence Maxima Photoluminescence Photoluminescence imaging Photons Point spread functions Quantitative evaluation Recombination Saturation Saturation current density imaging Simulation Voltage Voltage drop
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