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AbstractAbstract
[en] In recent years, Gallium Indium Nitride (InGaN) alloy has become a semiconductor of choice for the realization of optoelectronic devices, because of its wide spectral coverage, with a band-gap that can be modulated, by changing the indium composition, between 0.7 eV and 3.4 eV. This allows the absorption of a large part of the solar spectrum and makes the InGaN alloy an excellent candidate for the realization of high efficiency multi-junction solar cells. This thesis work led to a further investigation into the performance of different InGaN-based solar cell structures. It is part of a project aiming to associate mathematical optimization methods with a rigorous simulation process based as much as possible on models and experimental results. This is a new optimization approach that optimizes the performance of solar cells by simultaneously optimizing several parameters (physical and geometrical) of the solar cell. We have studied for this thesis, different structures of single junction solar cells, including new structures without P layer and we have also studied a complex structure with double junction. These studies allowed us to evaluate the optimal performance that InGaN-based solar cells can achieve for their design and future development. (author)
[fr]
L'alliage de Nitrure de Gallium et d'Indium (InGaN) est devenu au cours des dernieres annees un semi-conducteur important pour la realisation de composants optoelectroniques, du fait de sa bande interdite modulable en fonction de la composition d'indium, entre 0.7 eV a 3.4 eV. Ceci permet l'absorption d'une grande partie du spectre solaire et fait de l'alliage InGaN un excellent candidat pour la realisation de cellules solaires multijonctions a tres haut rendement. Ce travail de these a permis une investigation approfondie sur les performances de differentes structures de cellules solaire a base d'InGaN. Il s'inscrit dans le cadre d'un projet visant a associer des methodes d'optimisation mathematique multivariee a une demarche rigoureuse de simulation s'appuyant autant que possible sur des modeles et resultats experimentaux. Il s'agit d'une nouvelle approche qui permet d'etudier les performances des cellules solaires en optimisant simultanement plusieurs parametres (physiques et geometriques) de la cellule solaire. Nous avons etudie pour cette these, differentes structures de cellules solaires a simple jonction, notamment de nouvelles structures sans couche P et avons fait egalement l'etude d'une structure complexe a double jonction. Ces etudes nous ont permis d'evaluer les performances optimales que pourraient avoir les cellules a base d'InGaN et seront importantes pour la conception et l'elaboration future de cellules solaires InGaN a haut rendement. (auteur)Original Title
Optimisation numerique de cellules solaires a tres haut rendement a base d'InGaN
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6 Jul 2018; 173 p; 169 refs.; Available from the INIS Liaison Officer for France, see the INIS website for current contact and E-mail addresses; These Docteur de l'Universite de Lorraine, Specialite: Physique
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Miscellaneous
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Thesis/Dissertation
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