Rigid Nonfullerene Acceptors Based on Triptycene–Perylene Dye for Organic Solar Cells,Chemistry - An Asian Journal

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Rigid Nonfullerene Acceptors Based on Triptycene–Perylene Dye for Organic Solar Cells
Chemistry - An Asian Journal ( IF 3.5 ) Pub Date : 2017-05-15 07:41:02 , DOI: 10.1002/asia.201700440
Dong Meng _{1,

2} , Huiting Fu _{1,

2} , Bingbing Fan ₃ , Jianqi Zhang ₄ , Yan Li ₁ , Yanming Sun ₃ , Zhaohui Wang ₁

Affiliation

Three kinds of nonconjugated rigid perylene bisimide (PBI) derivatives based on a triptycene core were designed, synthesized and characterized. The unique three-dimensional (3D) conformation of triptycene could enable formation of polymer with the favorable morphology for organic polymer solar cells (PSCs) by relieving the self-aggregation of rigid PBI units. The low-lying LUMO energy levels of these compounds demonstrated that they are very suitable for use as acceptors in organic solar cells. A higher power conversion efficiency (PCE) of 6.15 % was obtained for the blend film using the compound with two PBI units (T-2) as the acceptor and commercial poly[[4,8-bis[5-(2-ethylhexyl)thiophene-2-yl]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)-carbonyl]thieno[3,4-b]thiophenediyl]] (PCE-10) as the electron donor.

中文翻译：

基于三萜-染料的刚性非富勒烯受体用于有机太阳能电池

设计，合成和表征了基于三并茂核的三种非共轭刚性per双酰亚胺（PBI）衍生物。三萜烯的独特三维（3D）构型可以消除刚性PBI单元的自聚集，从而形成具有有机聚合物太阳能电池（PSC）良好形态的聚合物。这些化合物的低水平LUMO能级表明，它们非常适合用作有机太阳能电池中的受体。使用具有两个PBI单元（T-2）的化合物作为受体和商用聚[[4,8-双[5-（2-乙基己基）]噻吩-2-基]苯并[1,2- b：4,5- b′]二噻吩-2，6-二基] [3-氟-2-[（2-乙基己基）-羰基]噻吩并[3，4- b ]噻吩二基]]（PCE-10）作为电子供体。

更新日期：2017-05-16

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