Influence of Solid-State Packing of Dipolar Merocyanine Dyes on Transistor and Solar Cell Performances

被引：74

作者：

Arjona-Esteban, Alhama ^{[1
,2
]}

Krumrain, Julian ^{[3
]}

Liess, Andreas ^{[1
,2
]}

Stolte, Matthias ^{[1
,2
]}

Huang, Lizhen ^{[1
,2
]}

Schmidt, David ^{[1
,2
]}

Stepanenko, Vladimir ^{[1
,2
]}

Gsaenger, Marcel ^{[1
,2
]}

Hertel, Dirk ^{[3
]}

Meerholz, Klaus ^{[3
]}

Wuerthner, Frank ^{[1
,2
]}

机构：

[1] Univ Wurzburg, Inst Organ Chem, D-97074 Wurzburg, Germany

[2] Univ Cologne, Ctr Nanosyst Chem, D-50939 Cologne, Germany

[3] Univ Cologne, Dept Chem, D-50939 Cologne, Germany

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2015年 / 137卷 / 42期

关键词：

THIN-FILM TRANSISTORS; ORGANIC SEMICONDUCTORS; CARRIER MOBILITY; SMALL MOLECULES; POLYMERS; SYSTEMS; DESIGN; CHROMOPHORES; EFFICIENCY; DISCOVERY;

D O I：

10.1021/jacs.5b06722

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of nine dipolar merocyanine dyes has been studied as organic semiconductors in transistors and solar cells. These dyes exhibited single-crystal packing motifs with different dimensional ordering, which can be correlated to the performance of the studied devices. Hereby, the long-range ordering of the dyes in staircase-like slipped stacks with J-type excitonic coupling favors charge transport and improves solar cell performance. The different morphologies of transistor thin films and solar cell active layers were investigated by UV-vis, AFM, and XRD experiments. Selenium-containing donor-acceptor (D-A) dimethine dye 4 showed the highest hole mobility of 0.08 cm(2) V-1 s(-1). BHJ solar cells based on dye 4 were optimized by taking advantage of the high crystallinity of the donor material and afforded a PCE of up to 6.2%.

引用

页码：13524 / 13534

页数：11

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