Photovoltaic Devices with Enhanced Exciton Diffusion

Photovoltaic Devices with Enhanced Exciton Diffusion

A photovoltaic device includes a first layer to generate excitons upon absorption of incident photons, the first layer having a first organic material diluted in a second different material, in which a highest occupied molecular orbital (HOMO) of the first organic material is closer to a vacuum leve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOLMES RUSSELL J, LUHMAN WADE A, MENKE STEPHEN MATT
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A photovoltaic device includes a first layer to generate excitons upon absorption of incident photons, the first layer having a first organic material diluted in a second different material, in which a highest occupied molecular orbital (HOMO) of the first organic material is closer to a vacuum level than a HOMO of the second different material, and a lowest unoccupied molecular orbit (LUMO) of the first organic material is farther from the vacuum level than a LUMO of the second different material.