High‐performance amorphous donor–acceptor conjugated polymers containing x‐shaped anthracene‐based monomer and 2,5‐bis(2‐octyldodecyl)pyrrolo[3,4‐c]pyrrole‐1,4(
<i>2H,5H</i>
)‐dione for organic thin‐film transistors
作者:Joo Bin Lee、Kyung Hwan Kim、Chang Seop Hong、Dong Hoon Choi
DOI:10.1002/pola.26078
日期:2012.7.15
New diketopyrrolopyrrole (DPP)‐containing amorphous conjugated polymers, such as poly(3‐(5‐((9,10‐bis((4‐hexylphenyl)ethynyl)‐6‐(prop‐1‐ynyl)anthracen‐2‐yl)ethynyl) thiophen‐2‐yl)‐5‐(2‐hexyldecyl)‐2‐(2‐octyldodecyl)‐6‐(thiophen‐2‐yl)pyrrolo[3,4‐c]pyrrole‐1,4(2H,5H)‐dione) (4), and poly(3‐(5‐((2,6‐bis((4‐hexylphenyl)ethynyl)‐10‐(prop‐1‐ynyl)anthracen‐9‐yl)ethynyl)thiophen‐2‐yl)‐2,5‐bis(2‐octyldodecyl)‐6‐(thio
新型的含二酮吡咯并吡咯(DPP)的非晶共轭聚合物,例如聚(3-(5-((9,10-双((4-己基苯基)乙炔基)-6-(丙-1-炔基)蒽-2-基)乙炔基)噻吩-2-基)-5-(2-己基癸基)-2-(2-辛基十二烷基)6-(噻吩-2-基)吡咯并[3,4-c]吡咯-1,4(2H ,5H)-二酮)(4)和聚(3-(5-((2,6-二((4-己基苯基)乙炔基)-10-(丙炔基)蒽-9-9基)乙炔基)噻吩-2-基)-2,5-双(2-辛基十二烷基)-6-(噻吩-2-基)吡咯并[3,4-c]吡咯-1,4(2H,5H)-二酮) (7)是在微波条件下通过Sonogashira偶联反应成功合成的。共聚物7通过三键在蒽环的9,10-位处掺入DPP部分,显示出低得多的带隙能(E g= 1.81 eV)的比共聚物4(ë克= 2.13电子伏特)。通过仅改变二硫代苯基-DPP的锚固位置从蒽环的2,6-位置更改为9,10-