2,6-Conjugated anthracene sensitizers for high-performance dye-sensitized solar cells

2,6-Conjugated anthracene sensitizers for high-performance dye-sensitized solar cells

Metal-free dyes (Ant1 to Ant4) containing a 2,6-conjugated anthracene unit in the spacer have been synthesized. The conversion efficiency (7.52%) of the dye-sensitized solar cell using Ant3 as the sensitizer reached similar to 90% of the standard N719-based cell (8.41%). The co-sensitized DSSC using...

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Veröffentlicht in:Energy & environmental science 2013-08, Vol.6 (8), p.2477-2486
Hauptverfasser: Yeh-Yung Lin, Ryan, Lin, Hung-Wen, Yen, Yung-Sheng, Chang, Chia-Hao, Chou, Hsien-Hsin, Chen, Ping-Wei, Hsu, Chih-Yu, Chen, Yung-Chung, Lin, Jiann T, Ho, Kuo-Chuan
Format: Artikel
Sprache:eng
Schlagworte:
Anthracene
Conversion
Dyes
Light irradiation
Photovoltaic cells
Solar cells
Spacers
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Zusammenfassung:Metal-free dyes (Ant1 to Ant4) containing a 2,6-conjugated anthracene unit in the spacer have been synthesized. The conversion efficiency (7.52%) of the dye-sensitized solar cell using Ant3 as the sensitizer reached similar to 90% of the standard N719-based cell (8.41%). The co-sensitized DSSC using Ant3 and a near-IR dye (SQ2) exhibited an improved efficiency of 8.08%. With addition of a co-adsorbent, CDCA, the cell efficiency (9.11%) of the Ant3-based DSSC surpassed that of the N719-based standard cell. An even higher efficiency of 10.42% was achieved under weak light irradiation.
ISSN:1754-5692
1754-5706
DOI:10.1039/c3ee41075g