A Low-Energy-Gap Organic Dye for High-Performance Small-Molecule Organic Solar Cells

被引：221

作者：

Lin, Li-Yen ^{[2
]}

Chen, Yi-Hong ^{[1
]}

Huang, Zheng-Yu ^{[1
]}

Lin, Hao-Wu ^{[1
]}

Chou, Shu-Hua ^{[2
]}

Lin, Francis ^{[2
]}

Chen, Chang-Wen ^{[1
]}

Liu, Yi-Hung ^{[2
]}

Wong, Ken-Tsung ^{[2
]}

机构：

[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan

[2] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 40期

关键词：

INTERNAL CHARGE-TRANSFER; THIN-FILMS; EFFICIENT; PHOTOVOLTAICS;

D O I：

10.1021/ja205126t

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel donor-acceptor-acceptor (D-A-A) donor molecule, DTDCTB, in which an electron-donating ditolylaminothienyl moiety and an electron-withdrawing dicyanovinylene moiety are bridged by another electron-accepting 2,1,3-benzothiadiazole block, has been synthesized and characterized. A vacuum-deposited organic solar cell employing DTDCTB combined with the electron acceptor C-70 achieved a record-high power conversion efficiency (PCE) of 5.81%. The respectable PCE is attributed to the solar spectral response extending to the near-IR region and the ultracompact absorption dipole stacking of the DTDCTB thin film.

引用

页码：15822 / 15825

页数：4

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