基于七并稠环单元的A‑D‑A共轭分子及其制备方法和应用转让专利
申请号 : CN201410380113.9
文献号 : CN105315298B
文献日 : 2017-10-10
发明人 : 占肖卫 , 林禹泽 , 白会涛 , 王嘉宇 , 张明煜
申请人 : 中国科学院化学研究所
摘要 :
权利要求 :
1.一种基于七并稠环单元的A-D-A共轭分子,其特征是,所述的基于七并稠环单元的A-D-A共轭分子具有以下通式结构:n为0~6;
Z=C、Si或N;
X=O、S或Se;
R1~R3独立地为氢、C1~C30的烷基、C1~C30的烷氧基或4-烷基苯基;
拉电子基团A选自下述结构之一:
上述A结构中的R4为C1~C30的烷基;
所述的4-烷基苯基中的烷基是C1~C8的烷基。
2.根据权利要求1所述的基于七并稠环单元的A-D-A共轭分子,其特征是:所述的n为0~3;所述的Z=C;X=S;R1~R3独立地为氢、C1~C8的烷基或4-己基苯基;A结构中的R4为C1~C8的烷基。
3.根据权利要求1所述的基于七并稠环单元的A-D-A共轭分子,其特征是:所述的n为0~3;R1~R3独立地为氢、C1~C12的烷基、C1~C12的烷氧基或4-己基苯基;A结构中的R4为C1~C8的烷基。
4.一种权利要求1~3任意一项所述的基于七并稠环单元的A-D-A共轭分子的制备方法,其特征是,所述的制备方法包括以下步骤:将带有R1,R2,R3取代基的七并稠环单元醛基化合物与拉电子单元A加入到反应容器中,其中:带有R1,R2,R3取代基的七并稠环单元醛基化合物与拉电子单元A的摩尔比为1:2~
100;以氯仿为溶剂,通惰性气体排除反应容器中的空气后加入哌啶或吡啶,在温度为30~
80℃下进行搅拌反应;反应结束后,将所得反应产物倒入甲醇中,过滤干燥得到固体,通过柱色谱提纯得到具有以下通式结构的基于七并稠环单元的A-D-A共轭分子产物;或:将带有R1取代基的七并稠环单元三甲基锡化合物与带有R2,R3取代基及拉电子基团A的单溴齐聚五元芳香杂环化合物加入到反应容器中,其中:带有R1取代基的七并稠环单元三甲基锡化合物与带有R2,R3取代基及拉电子基团A的单溴齐聚五元芳香杂环化合物的摩尔比为1:2~5;以甲苯为溶剂,通惰性气体排除反应容器中的空气后加入催化量的四(三苯基膦)钯催化剂,在温度为100~120℃下进行搅拌反应;反应结束后加入相对于带有R1取代基的七并稠环单元三甲基锡化合物摩尔量过量的氟化钾水溶液,萃取干燥并过滤,旋干滤液得到固体,通过柱色谱提纯得到具有以下通式结构的基于七并稠环单元的A-D-A共轭分子产物;
n为0~6;
Z=C、Si或N;
X=O、S或Se;
R1~R3独立地为氢、C1~C30的烷基、C1~C30的烷氧基或4-烷基苯基;
拉电子基团A选自下述结构之一:
上述A结构中的R4为C1~C30的烷基;
所述的4-烷基苯基中的烷基是C1~C8的烷基。
5.根据权利要求4所述的制备方法,其特征是:所述的哌啶或吡啶的加入量是所述的哌啶或吡啶与带有R1,R2,R3取代基的七并稠环单元醛基化合物的摩尔比为1:0.001~0.5。
6.根据权利要求4所述的制备方法,其特征是:所述的在温度为30~80℃下进行搅拌反应的时间为6~48小时;所述的在温度为100~120℃下进行搅拌反应的时间为12~48小时。
7.根据权利要求4所述的制备方法,其特征是:所述的四(三苯基膦)钯催化剂的加入量是所述的四(三苯基膦)钯催化剂与带有R1取代基的七并稠环单元三甲基锡化合物的摩尔比为1:10~100。
8.一种权利要求1~3任意一项所述的基于七并稠环单元的A-D-A共轭分子的应用,其特征是:所述的基于七并稠环单元的A-D-A共轭分子作为光捕获的活性层电子给体或电子受体材料在有机太阳能电池中应用。
说明书 :
基于七并稠环单元的A-D-A共轭分子及其制备方法和应用
技术领域
背景技术
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发明内容
附图说明
59.2%,能量转换效率PCE为7.62%。
具体实施方式
1.33(m,24H),0.87(m,12H).13C NMR(100MHz,CDCl3):δ188.18,160.36,155.65,152.86,
147.65,147.06,143.64,142.51,140.02,139.60,138.94,138.24,136.95,136.86,135.19,
134.49,128.87,127.89,125.32,123.76,122.73,118.53,114.63,114.57,69.38,63.24,
35.61,31.70,31.27,29.20,22.59,14.10.MS(MALDI):m/z1427.4(M+1).Anal.Calcd for C94H82N4O2S4:C,79.07;H,5.79;N,3.92.Found:C,78.93;H,5.70;N,3.85%。
2.78(d,J=7.2Hz,4H),2.60(m,8H),1.64(m,14H),1.35(m,36H),0.88(m,24H).13C NMR(100MHz,CDCl3):δ118.86,160.76,154.67,150.11,149.50,147.13,146.27,143.47,
142.74,140.62,140.50,140.39,137.70,137.38,136.92,136.83,136.52,135.56,134.96,
129.30,128.59,125.79,124.28,122.90,121.88,118.02,115.16,69.84,63.64,40.02,
36.25,34.73,34.26,33.05,32.33,32.21,31.93,29.82,29.14,26.35,23.58,14.69,
11.26.MS(MALDI):m/z1815.6(M+1).Anal.Calcd for C118H118N4O2S6:C,78.02;H,6.55;N,
3.08.Found:C,77.93;H,6.45;N,3.12%。
12H).MS(MALDI):m/z1438.6(M+)。