Layer-by-Layer-Processed Ternary Organic Solar Cells Using Perylene Bisimide as a Morphology-Inducing Component,ACS Applied Materials & Interfaces

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Layer-by-Layer-Processed Ternary Organic Solar Cells Using Perylene Bisimide as a Morphology-Inducing Component
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2017-05-04 00:00:00 , DOI: 10.1021/acsami.7b01427
Na Zhu ₁ , Wenqiang Zhang ₂ , Qingwu Yin ₁ , Linlin Liu ₁ , Xiaofang Jiang ₁ , Zengqi Xie ₁ , Yuguang Ma ₁

Affiliation

A perylene bisimide (PBI-C4) with strong self-aggregation ability was used with polythieno[3,4-b]-thiophene/benzodithiophene (PTB7) to form an underlying morphology-inducing layer in organic solar cells. The PTB7:PC₇₁BM ([6,6]-phenyl C₇₁ butyric acid methyl ester) spin-coated atop the preprocessed morphology-inducing thin layer showed an enhanced domain size with better phase separation compared with the conventional spin-coating of PTB7:PC₇₁BM on ZnO directly. Proper aggregation morphology of the active layer shows higher electrical properties resulting in a 14% improvement in the power conversion efficiency (PCE) (8.96% vs 7.85%). After replacing the ZnO cathode interlayer with a photoconductive interlayer (ZnO:PBI-H), a maximum PCE of 9.47% is obtained, which is among the best device performance based on PTB7:PC₇₁BM systems.

中文翻译：

使用Per双酰亚胺作为形态诱导成分的逐层处理三元有机太阳能电池

具有强自聚集能力的per双酰亚胺（PBI-C4）与聚噻吩并[3,4- b ]-噻吩/苯并二噻吩（PTB7）一起使用，以在有机太阳能电池中形成底层的形貌诱导层。与传统的PTB7旋涂相比，在预处理的诱导形貌的薄层上旋涂的PTB7：PC ₇₁ BM（[6,6]-苯基C ₇₁丁酸甲酯）显示出增大的畴尺寸和更好的相分离：PC ₇₁BM直接在ZnO上。活性层的适当聚集形态显示出较高的电性能，导致功率转换效率（PCE）提高了14％（8.96％对7.85％）。用光电导夹层（ZnO：PBI-H）代替ZnO阴极夹层后，最大PCE为9.47％，这是基于PTB7：PC ₇₁ BM系统的最佳器件性能之一。

更新日期：2017-05-16

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