Efficient Polymer Solar Cells with Thin Active Layers Based on Alternating Polyfluorene Copolymer/Fullerene Bulk Heterojunctions

Efficient Polymer Solar Cells with Thin Active Layers Based on Alternating Polyfluorene Copolymer/Fullerene Bulk Heterojunctions

Efficient (4.5% power conversion efficiency) polymer solar cells based on an alternating polyfluorene copolymer are demonstrated. The highest internal quantum efficiency obtained was 87%. The semi‐transparent active layer (only 47 nm thick) shows the uniqueness of polymer solar cells and their uncon...

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Veröffentlicht in:Advanced materials (Weinheim) 2009-11, Vol.21 (42), p.4238-4242
Hauptverfasser: Chen, Mei-Hsin, Hou, Jianhui, Hong, Ziruo, Yang, Guanwen, Sista, Srinivas, Chen, Li-Min, Yang, Yang
Format: Artikel
Sprache:eng
Schlagworte:
Fluorene derivative
Polymers
Semi-transparent
Solar cells
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Zusammenfassung:Efficient (4.5% power conversion efficiency) polymer solar cells based on an alternating polyfluorene copolymer are demonstrated. The highest internal quantum efficiency obtained was 87%. The semi‐transparent active layer (only 47 nm thick) shows the uniqueness of polymer solar cells and their unconventional applications, such as translucent solar windows for buildings and automobiles.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200900510