Tuning the HOMO and LUMO energy levels of organic chromophores for dye sensitized solar cells

被引：580

作者：

Hagberg, Daniel P. ^{[1
]}

Marinado, Tannia ^{[1
]}

Karlsson, Karl Martin ^{[1
]}

Nonomura, Kazuteru ^{[1
]}

Qin, Peng ^{[1
]}

Boschloo, Gerrit ^{[1
]}

Brinck, Tore ^{[1
]}

Hagfeldt, Anders ^{[1
]}

Sun, Licheng ^{[1
]}

机构：

[1] Ctr Mol Devices, Dept Chem, S-10044 Stockholm, Sweden

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2007年 / 72卷 / 25期

关键词：

D O I：

10.1021/jo701592x

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A series of organic chromophores have been synthesized in order to approach optimal energy level composition in the TiO2-dye-iodide/triiodide system in the dye-sensitized solar cells. HOMO and LUMO energy level tuning is achieved by varying the conjugation between the triphenylamine donor and the cyanoacetic acid acceptor. This is supported by spectral and electrochemical experiments and TDDFT calculations. These results show that energetic tuning of the chromophores was successful and fulfilled the thermodynamic criteria for dye-sensitized solar cells, electrical losses depending on the size and orientation of the chromophores were observed.

引用

页码：9550 / 9556

页数：7

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