Using Resonance Energy Transfer to Improve Exciton Harvesting in Organic–Inorganic Hybrid Photovoltaic Cells | Zendy

Liu Y. | Zendy; Summers M. A. | Zendy; Edder C. | Zendy; Fréchet J. M. J. | Zendy; McGehee M. D. | Zendy

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Using Resonance Energy Transfer to Improve Exciton Harvesting in Organic–Inorganic Hybrid Photovoltaic Cells

Author(s) -

Liu Y.,

Summers M. A.,

Edder C.,

Fréchet J. M. J.,

McGehee M. D.

Publication year - 2005

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200501307

Subject(s) - exciton , materials science , photocurrent , photovoltaic system , resonance (particle physics) , polymer , band gap , optoelectronics , energy transfer , chemical physics , photochemistry , atomic physics , condensed matter physics , chemistry , physics , ecology , composite material , biology

The effective exciton diffusion length of poly(3‐hexylthiophene) (P3HT) can be improved with resonance‐energy transfer from P3HT to poly( N ‐dodecyl‐2,5‐bis(2'‐thienyl)pyrrole‐2,1,3‐benzothiadiazole) (PTPTB), a low‐bandgap polymer, which results in a threefold increase of the photocurrent. Directional resonance energy transfer to the exciton‐splitting interface has the potential to overcome a number of limitations associated with exciton transport in polymer photovoltaic cells.

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