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

被引:87
作者
Lin, Ryan Yeh-Yung [1 ,2 ]
Lin, Hung-Wen [1 ]
Yen, Yung-Sheng [1 ]
Chang, Chia-Hao [1 ]
Chou, Hsien-Hsin [1 ]
Chen, Ping-Wei [2 ]
Hsu, Chih-Yu [1 ]
Chen, Yung-Chung [1 ]
Lin, Jiann T. [1 ]
Ho, Kuo-Chuan [2 ,3 ]
机构
[1] Acad Sinica, Inst Chem, Taipei 11529, Taiwan
[2] Natl Taiwan Univ, Dept Chem Engn, Taipei 10617, Taiwan
[3] Natl Taiwan Univ, Inst Polymer Sci & Engn, Taipei 10617, Taiwan
关键词
ORGANIC-DYES; HIGH-EFFICIENCY; EXCITED-STATES; INDOLINE DYES; TIO2; FILMS; ELECTROLYTE; ACCEPTORS; UNIT;
D O I
10.1039/c3ee41075g
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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.
引用
收藏
页码:2477 / 2486
页数:10
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