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).
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页数：6
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