Pyrazino[2,3-g]quinoxaline-2,7-dione based π-conjugated polymers with affinity towards acids and semiconductor performance in organic thin film transistors

被引：59

作者：

Quinn, Jesse ^{[1
]}

Guo, Chang ^{[1
]}

Ko, Lewis ^{[1
]}

Sun, Bin ^{[1
]}

He, Yinghui ^{[1
]}

Li, Yuning ^{[1
]}

机构：

[1] Univ Waterloo, Dept Chem Engn, 200 Univ Ave West, Waterloo, ON N2L 3G1, Canada

来源：

RSC ADVANCES | 2016年 / 6卷 / 26期

基金：

加拿大自然科学与工程研究理事会;

关键词：

DESIGN; MOBILITY; PROTONATION; DERIVATIVES; ABSORPTION; INHIBITORS; ELECTRETS; CIRCUITS; DEVICES;

D O I：

10.1039/c5ra26227e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pyrazino[2,3-g]quinoxaline-2,7-dione (PQx) was used as a building block for pi-conjugated polymer semiconductors, which demonstrated a strong acid affinity by showing marked bathochromic shifts in their absorption spectra. These polymers exhibited semiconductor performance in organic thin film transistors (OTFTs). Copolymers of PQx and bithiophene exhibited electron-dominant ambipolar transport characteristics with electron mobilities of up to 4.28 x 10(-3) cm(2) V-1 s(-1) and hole mobilities of up to 5.22 x 10(-4) cm(2) V-1 s(-1), while copolymers of PQx and thieno[3,2-b]thiophene exhibited hole-dominant ambipolar transport characteristics with hole mobilities of up to 4.82 x 10(-2) cm(2) V-1 s(-1) and electron mobilities of up to 3.95 x 10(-3) cm(2) V-1 s(-1).

引用

页码：22043 / 22051

页数：9

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