denoted as ICT3 with an A–D–D–D–A architecture having dithieno[3,2-b:2′,3′-d]pyrrole (DTP) and butylrhodanine as donor and acceptor moieties, respectively, is synthesized and its thermal, photophysical, electrochemical and photovoltaic properties are explored. ICT3 has excellent stability over a broad range of temperatures with a decomposition temperature (Td corresponds to 5% weight loss) of 372 °C, soluble
一种新型的,可吸收近红外光的有机小分子供体材料,称为ICT3,具有A–D–D–D–A结构,其中双
噻吩并[3,2- b:2',3'- d ]
吡咯(DTP)和丁基若丹宁为供体分别合成了受体部分和受体部分,并研究了其热,光物理,电
化学和光伏性质。ICT3在372°C的分解温度(T d相当于重量损失5%)的广泛温度范围内具有出色的稳定性,可溶于最常见的有机溶剂(溶解度最高30 mg mL -1),适用于溶液加工在器件制造过程中。ICT3已经广泛的(520-820纳米)和强烈的可见区域中的吸收(摩尔激发系数为1.69×10 5摩尔-1厘米-1),并具有合适的HO
MO和LU
MO能级与[6,6] -
苯基-C 71 -
丁酸甲酯(
PC 71 BM)受体,可进行有效的激子离解和电荷转移。具有
氧化
铟锡(ITO)/聚(3,4-乙撑二
氧噻吩):聚
苯乙烯磺酸盐(P
EDOT:
PSS)/ ICT3:
PC 71 BM / poly(9