Citation: . EFFICIENT POLYMER PHOTOVOLTAIC DEVICES BASED ON POLYMER D-A BLENDS*[J]. Chinese Journal of Polymer Science, ;2001, 19(6): 597-602. shu

EFFICIENT POLYMER PHOTOVOLTAIC DEVICES BASED ON POLYMER D-A BLENDS*

Received Date: 11 June 2001

Recent work demonstrated that efficient solar-energy conversion could be achieved in polymer photovoltaic cells(PVCs) based on interpenetrating bi-continuous networks. In this paper we present a comprehensive study on improvingenergy conversion efficiencies of PVCs based on composite films of MEHPPV and fullerene derivatives. Carrier collectionefficiency of ca. 30% el/ph and energy conversion efficiency of 3.9% were achieved at 500 nm. At reverse bias of 15 V, the photosensitivity reached 0.8A/W,corresponding to a quantum efficiency over 100% el/ph.These results suggest that high efficiency photoelectric conversion can be achieved in polymer devices with M-P-M structure.These devices are promising for practical applications such as plastic solar cells and plastic photodetectors.
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