Diaza-substituted conjugated polymers based on naphthalene diimide for n-type field-effect transistors

被引：7

作者：

Zhang, Guobing ^{[1
,2
]}

Yu, Hao ^{[1
]}

Sun, Mingxiang ^{[1
]}

Tang, Longxiang ^{[2
]}

Qiu, Longzhen ^{[1
,2
]}

机构：

[1] Hefei Univ Technol, Acad Optoelect Technol, Special Display & Imaging Technol Innovat Ctr Anh, Natl Engn Lab Special Technol,Anhui Prov Key Lab, Hefei 230009, Peoples R China

[2] Hefei Univ Technol, Sch Chem & Chem Engn, Key Lab Adv Funct Mat & Devices Anhui Prov, Hefei 23009, Peoples R China

来源：

DYES AND PIGMENTS | 2021年 / 194卷

关键词：

Organic thin-film transistors; Diaza-substituted conjugated polymers; n-type; TRANSPORT-PROPERTIES;

D O I：

10.1016/j.dyepig.2021.109660

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Two conjugated polymers (PNDI-TPzT and PNDI-TPmT) based on naphthalene diimide as acceptor and diazasubstituted thiophene-phenyl-thiophene with para-and meta-position as co-units were designed and synthesized. The reported polymer (PNDI-TPaT) with ortho-substitution was also used for comparison. The different azasubstitution exerted effect on the absorption, energy levels, microstructure, and field-effect transistor performances. All the diaza-substituted conjugated polymers exhibited n-type transport characteristics under vacuum conditions. PNDI-TPmT with meta-substitution which had ordered structure and pi-pi stacking exhibited the highest field-effect transistor performances with the mobility of about 0.07 cm(2) V(-1)s(-1).

引用

页数：6

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