Thieno[3,2-b]thiophene b ]thiophene flanked para-azaquinodimethane it-extended aromatic-quinoidal polymers

被引：0

作者：

Dyaga, Bharath ^{[1
]}

Waliszewski, Witold ^{[2
]}

Ling, Zhitian ^{[3
]}

Mayarambakam, Sasikumar ^{[1
]}

Boyron, Olivier ^{[4
]}

Pisula, Wojciech ^{[2
,3
]}

Schmaltz, Bruno ^{[1
]}

机构：

[1] Univ Tours, EA6299, Lab Phys Chim Mat & Electrolytes Energie (PCM2E), F-37200 Tours, France

[2] Lodz Univ Technol, Fac Chem, Dept Mol Phys, Zeromskiego 116, PL-90924 Lodz, Poland

[3] Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany

[4] Univ Lyon, Univ Lyon 1, Equipe PCM, CPE Lyon,CNRS UMR 5128,Lab CP2M, F-69100 Villeurbanne, France

来源：

SYNTHETIC METALS | 2024年 / 309卷

关键词：

Extended pi-conjugation; Para-azaquinodimethane; OFET; Bond length alternation; FIELD-EFFECT TRANSISTORS; ALKYL SIDE-CHAINS; CONJUGATED POLYMERS; BUILDING-BLOCK; SOLAR-CELLS; DIKETOPYRROLOPYRROLE POLYMER; RATIONAL DESIGN; BAND; ACCEPTOR; SEMICONDUCTORS;

D O I：

10.1016/j.synthmet.2024.117751

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of thieno[3,2-b]thiophene (TT) flanked para-azaquinodimethane (p-AQM) based quinoidal conjugated polymers PAQM2TT-T, PAQM2TT-BT and PAQM3TT were designed in a strategy to extend the aromatic-quinoidal pi-system. The three polymers were synthesized by Stille polycondensation, and their opto-electronic properties and device performance in field-effect transistors have been explored. From absorption spectroscopy, the polymers show low bandgaps (1.54-1.57 eV) and high HOMO energy levels. They exhibit typical p-type behavior according to the results of the characterization of the field-effect transistors with average charge carrier mobilities of 0.08 cm(2) V-1 s(-1) for PAQM2TT-T, 0.12 cm(2) V-1 s(-1) for PAQM2TT-BT and 0.05 cm(2) V-1 s(-1) for PAM3TT. This report presents an alternative pi-extended quinoidal-donor strategy to control the molecular design and properties of new p-AQM-based conjugated polymers.

引用

页数：8

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