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Soutenance de thèse - Mariem Ben Youssef

par jboucle -

Mariem Ben Youssef soutiendra sa thèse le lundi 24 Septembre 2018 à 14h, à l’Université Paris-Diderot.

Abstract : The insertion of very thin metal-oxide (MO) layers at the interface between the conductive electrodes (FTO/ITO, Metals) and the active layer (polymer, perovskite) presents a promising solution to improve the performances of organic and hybrid photovoltaic devices. The procedure is about introducing MO layers functionalized by dipolar self-assembling monolayer’s (SAMs) at the interface between the conductive electrode and the active layer. The SAM layers bearing dipoles perpendicular to the surface that can have a large impact on the electronic devices both by affecting the growth and organization of active organic layer and by tuning the work function of the MO layers. In this work we show that the grafting of dipole molecular on top of MO thin films can considerably affect the performance of the photovoltaic cell. The impact on these performances depends strongly on the orientation of the permanent dipole lying on the SAM molecule.

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