Benzothiophene-flanked diketopyrrolopyrrole polymers: impact of isomeric frameworks on carrier mobilities. Issue 86 (2nd September 2016)

• Record Type: Journal Article
• Authors: Huang, Jianyao; Liu, Xiaotong; Gao, Dong; Wei, Congyuan; Zhang, Weifeng; Yu, Gui
• Is Part Of: RSC advances. Volume 6:Issue 86(2016)
• Page Start: 83448
• Page End: 83455
• Publication Date: 2016-09-02
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/c6ra18573h
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : The influence of isomeric backbones on field-effect properties in benzothiophene-flanked diketopyrrolopyrrole polymers was investigated. Abstract : Exploring new building blocks for solution-processable polymeric semiconductors has attracted much attention. We herein develop two isomeric benzothiophene-flanked diketopyrrolopyrrole polymers with different linkage positions and further systematically study the electronic structures, optical properties, and field-effect characteristics. Both polymers exhibit typical p-type transport characteristics with the highest mobility being up to 0.80 cm 2 V −1 s −1 . Our results suggest that the isomeric backbones for conjugated polymers greatly affect charge transport properties.