Comparison of conventional and inverted structures in fullerene-free organic solar cells

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摘要 An-typesmallmoleculeDC-IDT2F,with4,4,9,9-tetrakis(4-hexylphenyl)-indaceno[1,2-b:5,6-b]dithiopheneasacentralbuildingblock,furanasπ-bridges,and1,1-dicyanomethylene-3-indanoneasendacceptorgroups,wassynthesizedandusedasanelectronacceptorinsolution-processedorganicsolarcells(OSCs).DC-IDT2Fexhibitedgoodthermalstability,broadandstrongabsorptionin500–850nm,anarrowbandgapof1.54eV,LUMOof–3.88eV,HOMOof–5.44eVandanelectronmobilityof6.5×10–4cm2/(V·s).DC-IDT2F-basedOSCswithconventionalandinvertedstructuresexhibitedpowerconversionefficienciesof2.26and3.08%,respectively.Theeffectofverticalphaseseparationandmorphologyoftheactivelayeronthedeviceperformanceinthetwostructureswasstudied.
机构地区 不详
出处 《能源化学:英文版》 2015年6期
出版日期 2015年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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