Simple, Highly Efficient Vacuum-Processed Bulk Heterojunction Solar Cells Based on Merocyanine Dyes

被引：136

作者：

Steinmann, Vera ^{[1
]}

Kronenberg, Nils M. ^{[1
]}

Lenze, Martin R. ^{[1
]}

Graf, Steven M. ^{[1
]}

Hertel, Dirk ^{[1
]}

Meerholz, Klaus ^{[1
]}

Buerckstuemmer, Hannah ^{[2
,3
]}

Tulyakova, Elena V. ^{[2
,3
]}

Wuerthner, Frank ^{[2
,3
]}

机构：

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

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

[3] Univ Wurzburg, Rontgen Res Ctr Complex Mat Syst, D-97074 Wurzburg, Germany

来源：

ADVANCED ENERGY MATERIALS | 2011年 / 1卷 / 05期

关键词：

ORGANIC PHOTOVOLTAIC CELLS; WORK FUNCTION; PERFORMANCE; DESIGN;

D O I：

10.1002/aenm.201100283

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In order to be competitive on the energy market, organic solar cells with higher efficiency are needed. To date, polymer solar cells have retained the lead with efficiencies of up to 8%. However, research on small molecule solar cells has been catching up throughout recent years and is showing similar efficiencies, however, only for more sophisticated multilayer device configurations. In this work, a simple, highly efficient, vacuum-processed small molecule solar cell based on merocyanine dyes - traditional colorants that can easily be mass-produced and purified - is presented. In the past, merocyanines have been successfully introduced in solution-processed as well as vacuum-processed devices, demonstrating efficiencies up to 4.9%. Here, further optimization of devices is achieved while keeping the same simple layer stack, ultimately leading to efficiencies beyond the 6% mark. In addition, physical properties such as the charge carrier transport and the cell performance under various light intensities are addressed.

引用

页码：888 / 893

页数：6

共 34 条

[1] Efficient organic tandem cell combining a solid state dye-sensitized and a vacuum deposited bulk heterojunction solar cell [J].