Dye-sensitized Solar Cells Based on 1,3-Dithiol-2-ylidene Derivatives: Substituent and pi-Spacer Effects on the Efficiency

作者：Wada Atsushi; Nishida Jun ichi; Maitani Masato M; Wada Yuji; Yamashita Yoshiro^*

来源：Chemistry Letters, 2014, 43(3): 296-298.

DOI：10.1246/cl.130931

Four novel 1,3-dithiol-2-ylidene dyes BDY-1, BDY-2, BDY-3, and BDY-4 were developed for dye-sensitized solar cells. Among these dyes, BDY-4 containing a 9,9-dibutyl-9H-fluorene spacer and a phenyl group at the vinyl position showed the highest efficiency (3.26%), indicating the importance of the phenyl substituent and the fluorene unit in improving the efficiency.

• 出版日期2014-3-5