High-efficiency hole extraction/electron-blocking layer to replace poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) in bulk-heterojunction polymer solar cells

被引：135

作者：

Hains, Alexander W. ^{[1
,2
]}

Marks, Tobin J. ^{[1
,2
]}

机构：

[1] Northwestern Univ, Dept Chem, Argonne Northwestern Solar Energy Res Ctr, Evanston, IL 60208 USA

[2] Northwestern Univ, Mat Res Ctr, Evanston, IL 60208 USA

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 02期

关键词：

D O I：

10.1063/1.2834697

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An anode interfacial layer is reported for bulk-heterojunction (BHJ) polymer solar cells to replace the commonly used poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS). A poly[9,9-dioctylfluorene-co-N-[4-(3-methylpropyl)]-diphenylamine] (TFB)+4,4(')-bis[(p-trichlorosilylpropylphenyl)phenylamino]biphenyl (TPDSi2) blend is crosslinked, forming robust similar to 10 nm thick films covalently bound to indium tin oxide, which transport holes while blocking misdirected electrons. The thermal stability and photovoltaic performance metrics of TFB:TPDSi2-modified BHJ cells are significantly greater than those of cells fabricated in parallel with PEDOT:PSS or with no interfacial layer. For a poly[2-methoxy-5-(3('),7(')-dimethyloctyloxyl]-1,4-phenylene vinylene: methanofullerene[6 6]-phenyl C61-butyric acid methyl ester cell, V-oc=0.89 V, J(sc)=4.62 mA/cm(2), FF=54.4%, and eta(p)=2.23%. (c) 2008 American Institute of Physics.

引用

页数：3

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