Optimized solution-processed merocyanine: PCBM organic bulk heterojunction solar cell

被引：7

作者：

Kronenberg, Nils M. ^{[1
]}

Buerckstuemmer, Hannah ^{[2
,3
]}

Deppisch, Manuela ^{[2
,3
]}

Wuerthner, Frank ^{[2
,3
]}

Meerholz, Klaus ^{[1
]}

机构：

[1] Univ Cologne, Dept Chem, Luxemburger Str 116, D-50939 Cologne, Germany

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

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

来源：

JOURNAL OF PHOTONICS FOR ENERGY | 2011年 / 1卷

关键词：

organic solar cells; merocyanine dyes; small molecules; solution-processed solar cells; high permittivity; PHOTOVOLTAIC CELLS; EFFICIENCY; PERFORMANCE; CORE; POLY(3-HEXYLTHIOPHENE); MOLECULE; DESIGN;

D O I：

10.1117/1.3528043

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present the in-depth investigation of solution-processed bulk-heterojunction solar cells based on the merocyanine dye MD304 as a donor in combination with the soluble fullerene derivative [6,6]-phenyl-C-61-butyric acid methyl ester (PCBM) as acceptor. The optimized MD304: PCBM devices exhibit an external quantum efficiency of ca. 50%, and a power conversion efficiency of up to 2.1% under standard illumination and 2.7% under reduced illumination intensities. Because of the strongly dipolar character of merocyanine dyes the bulk material features a relatively large dielectric constant, which is beneficial for charge transport and reduced carrier recombination. This somewhat compensates the limited hole mobility of the dipolar merocyanine. (C) 2011 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3528043]

引用

页数：7

共 34 条

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