Konarka Austria Forschungs-und Entwicklungs Gmbh

Qsel-quantum Solar Energy Linz Forschungs-und Entwick-lungs-gesellsch

Thomas Fromherz

Christoph Brabec

Sean Shaheen

Sedar Sariciftci

Erhard Gloetzl

A photovoltaic cell is described, having a photoactive layer () made of two molecular components, namely an electron donor and an electron acceptor, particularly a conjugated polymer component and a fullerene component, and having two metallic electrodes () provided on both sides of the photoactive layer (). In order to provide advantageous construction ratios, it is suggested that an electrically insulating transition layer (), having a thickness of at most 5 nm, be provided between at least one electrode () and the photoactive layer ().

Photovoltaic cell

A photovoltaic cell is described, having a photoactive layer ( ) made of two molecular components, namely an electron donor and an electron acceptor, particularly a conjugated polymer component and a fullerene component, and having two metallic electrodes ( ) provided on both sides of the photoactive layer ( ). In order to provide advantageous construction conditions, it is suggested that an intermediate layer ( ) made of a conjugated polymer, which has doping corresponding to the electrode potential and, in regard to the electron energy, has a band gap between the valence band and the conduction band of at least 1.8 eV, be provided between the photoactive layer ( ) and at least one electrode ( ).

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Rottenegg, Austria

Thomas Fromherz