as acceptor in the bulk heterojunction (BHJ) active layer. The organic BHJ solar cells based on CSDPP1:PC70BM and CSDPP3:PC70BM (1 : 1 D–A ratio) cast from chloroform solvent showed moderate power conversion efficiency of about 3.26% and 2.42%, respectively. The higher power conversion efficiency (PCE) of organic solar cells based on CSDPP1 as donor as compared to CSDPP3 has been attributed to the higher
两个基于二酮
吡咯并
吡咯中央受体单元和不同的终端单元(
吲哚和2,4,6-三简单d-A-d的结构的小分子异丙基苯基为CS
DPP1和CS
DPP3分别)具有宽吸收带和合适的能量
水平进行合成。对新的
DPP分子进行了充分表征,并使用它们作为供体组分以及在本体异质结(BHJ)活性层中将PC 70 BM用作受体来研究了它们的光伏性能。基于CS
DPP1:PC 70 BM和CS
DPP3:PC 70的有机BHJ太阳能电池由
氯仿溶剂浇铸的BM(1:1 D–A比)显示出中等的功率转换效率,分别约为3.26%和2.42%。基于有机太阳能电池的较高的功率转换效率(PCE)CS
DPP1作为供体相比,CS
DPP3已被归因于较高的空穴迁移率和吸收系数和低的光学带隙CS
DPP1。基于CS
DPP1:PC 70的热退火设备的PCE由于更好的膜形态和BHJ活性层的吸收增加,BM已提高至4.96%。我们将热退火后吸收强度的增加归因于B