Push-Pull Quinoid Dye for Dye Sensitized Solar Cell

Push-Pull Quinoid Dye for Dye Sensitized Solar Cell

A novel push-pull quinoid dye [(4-benzo-1,3-dithiol-2-ylidene)quinocyanocarboxymethylene (BDTQCC)] was synthesized as a photosensitizer for dye sensitized solar cell (DSSC). BDTQCC has a broad absorption band between 450 nm and 700 nm derived from the π-π* transition with a charge transfer character...

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Veröffentlicht in:ECS transactions 2009-03, Vol.16 (25), p.65-72
Hauptverfasser: Komatsu, Makoto, Tamaki, Koichi, Nakazaki, Jotaro, Uchida, Satoshi, Kubo, Takaya, Segawa, Hiroshi
Format: Artikel
Sprache:eng
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Zusammenfassung:A novel push-pull quinoid dye [(4-benzo-1,3-dithiol-2-ylidene)quinocyanocarboxymethylene (BDTQCC)] was synthesized as a photosensitizer for dye sensitized solar cell (DSSC). BDTQCC has a broad absorption band between 450 nm and 700 nm derived from the π-π* transition with a charge transfer character. The DSSC using BDTQCC gives incident photon-to-current conversion efficiency (IPCE) of up to 52.1% at 570 nm. Photoelectric conversion in the near-infrared region was confirmed.
ISSN:1938-5862
1938-6737
DOI:10.1149/1.3115524