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Theses

Transport de charge dans le photovoltaïque par imagerie multidimensionnelle de luminescence

Abstract : IRDEP specialises in the development of thin film solar cells. New characterization methods will be developped during this thesis, allowing to map transport properties at numerous scales inside various types of solar cells. We plan to realise experiments based on photoluminescence (PL) and different associated techniques (spatial resolution, optical modulation, electrical modulation). This work is based on a previous thesis (by Gilbert El-Hajje), in which PL decay in CIGS solar cells has been analyzed. PL correlation with other signals such as electroluminescnce and cathodoluminescence will be investigated. What's more, PL is an essentially optical characterization method, thus contactless, which allows an effective quality at every step of the production process. That's why many industries have shown interest for this technique, by developping in-line control. The PL intensity is related to the open-cuircuit voltage, as well as the signal decay time to the cell efficiency.
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Adrien Bercegol. Transport de charge dans le photovoltaïque par imagerie multidimensionnelle de luminescence. Autre. Université Paris sciences et lettres, 2019. Français. ⟨NNT : 2019PSLEC021⟩. ⟨tel-02879907⟩

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