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Physique et Modèles de Dispositifs Photovoltaïques Plastiques

Abstract : This thesis discusses the operation and mechanisms of plastic solar cells made up using heterojunction/bulk-heterojunction of different donors and acceptors. Main emphasis is to highlight and address the forefront requirements for realization of efficient solar cells that would help develop new efficient donor-acceptor compositions. New class of efficient photovoltaic devices are prepared and electrically characterized. The results from these devices provide a better understanding of the exciton generation and dissociation phenomenon in organic solar cells. For the first time, highly luminescent organic semiconductor material rubrene is used as a donor in solar cell architecture, resulting in formation of an organic dual function device with photovoltaic (PV) and electroluminescence (EL) behavior integrated. The intriguing operation of extremely low voltage (< 1V) required for light emission from such dual function device is described as an energy up-conversion process; a phenomenon rarely observed in organic heterojunctions.
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Submitted on : Wednesday, December 10, 2008 - 10:40:27 AM
Last modification on : Tuesday, May 7, 2019 - 6:30:12 PM
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  • HAL Id : tel-00345829, version 1


Ajay K. Pandey. Physique et Modèles de Dispositifs Photovoltaïques Plastiques. Physique [physics]. Université d'Angers, 2007. Français. ⟨tel-00345829⟩



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