H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 51/42 (2006.01) H01L 27/30 (2006.01)
Patent
CA 2737477
There is disclosed an organic photovoltaic device comprising two or more organic photoactive regions located between a first electrode and a second electrode, wherein each of the organic photoactive regions comprise a donor, and an acceptor, and wherein the organic photovoltaic device comprises at least one exciton blocking layer, and at least one charge recombination layer, or charge transfer layer between the two or more photoactive regions. It has been discovered that a high open circuit voltage can been obtained for organic tandem solar cells according to this disclosure. Methods of making and methods of using are also disclosed.
L'invention concerne un dispositif photovoltaïque organique comportant deux ou plusieurs régions photoactives organiques situées entre une première électrode et une deuxième électrode, chacune des régions photoactives organiques comportant un donneur et un accepteur, le dispositif photovoltaïque organique comportant au moins une couche de blocage d'excitons et au moins une couche de recombinaison de charges, ou une couche de transfert de charges, entre lesdites régions photoactives. Il a été déterminé qu'il est possible d'obtenir une tension de circuit ouvert élevée pour les cellules solaires organiques en tandem selon la présente invention. L'invention concerne également des procédés de fabrication et des procédés d'utilisation de l'invention.
Forrest Stephen R.
Lassiter Brian E.
Wei Guodan
Smart & Biggar
The Regents Of The University Of Michigan
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