Incorporating a New 2H-[1,2,3]Triazolo[4,5-c]pyridine Moiety To Construct D-A-π-A Organic Sensitizers for High Performance Solar Cells

被引：52

作者：

Chaurasia, Sumit ^{[1
]}

Hung, Wei-I ^{[1
]}

Chou, Hsien-Hsin ^{[1
]}

Lin, Jiann T. ^{[1
]}

机构：

[1] Acad Sinica, Inst Chem, Taipei 115, Taiwan

来源：

ORGANIC LETTERS | 2014年 / 16卷 / 11期

关键词：

COUMARIN DYES; BENZOTRIAZOLE; EFFICIENCY; BENZOTHIADIAZOLE; DESIGN; UNIT;

D O I：

10.1021/ol501163b

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Two new organic dyes (PTN1 and NPT1) of the configuration D-A-pi-A, based on 2H-[1,2,3]triazolo[4,5-c]-pyridine (PT) as a central linker, have been synthesized and used as the sensitizers for dye-sensitized solar cells. Compared with pyridal[2,1,3]thiadiazole-containing congeners, the new dyes have conversion efficiencies nearly 1 order higher due to alleviation of charge trapping. The best conversion efficiency of the cell reaches 6.05% (under AM 1.5G irradiation). Upon addition of the coadsorbent CDCA, the efficiency is boosted to 6.76%, which reaches similar to 90% of the standard based on N719.

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页码：3052 / 3055

页数：4

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