Investigations on photovoltaic material absorptivity using hyperspectral photoluminescence excitation imaging

Special Issue on ‘Recent Advances in Spectroscopy and Microscopy of Thin-films Materials, Interfaces, and Solar Cells 2021', edited by A. Vossier, M. Gueunier-Farret, J.-P. Kleider and D. Mencaraglia

Open Access

Fig. 3

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Scheme of the experimental setup. The illumination is filtered by a linear polarizer (LP) before impinging on the sample, forming a homogeneous square with a side length of 400 µm. The emitted PL is collected through the objective and further filtered by the second linear polarizer to attenuate the laser reflection and analyzed by a hyperspectral imager.

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