佩多:嘘
材料科学
聚合物太阳能电池
聚(3,4-亚乙基二氧噻吩)
苯乙烯
氧化铟锡
光活性层
化学工程
热稳定性
磺酸盐
导电聚合物
高分子化学
活动层
聚合物混合物
聚合物
共聚物
图层(电子)
纳米技术
复合材料
工程类
冶金
薄膜晶体管
钠
作者
Alexander W. Hains,Tobin J. Marks
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 ∼10nm 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, Voc=0.89V, Jsc=4.62mA∕cm2, FF=54.4%, and ηp=2.23%.
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