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author:

Xiao, Yufa (Xiao, Yufa.) [1] | Fu, Huaijie (Fu, Huaijie.) [2] | Li, Zefeng (Li, Zefeng.) [3] | Zheng, Yingxuan (Zheng, Yingxuan.) [4] | Deng, Ping (Deng, Ping.) [5] (Scholars:邓平) | Lei, Yanlian (Lei, Yanlian.) [6] | Yu, Yan (Yu, Yan.) [7] (Scholars:于岩)

Indexed by:

ESCI

Abstract:

The 6H-[1,2,5]thiadiazolo[3,4-e]thieno[3,2-b]indole-flanked para-azaquinodimethane (p-AQM)-based polymer semiconductors PQ-1 and PQ-2 are rationally designed through a p-extended aromatic-quinoidal design strategy. They are synthesized by the direct arylation polycondensation (DArP) method. Their physicochemical properties are investigated. Both polymers show high number-average molecular weights of over 120 kDa. PQ-1 exhibits a narrower band gap compared to its thiophene-flanked p-AQM polymer counterpart. PQ-2, with more aromatic thiophene units in the conjugated main chains, displays a broader band gap compared to PQ-1. Both PQ-1 and PQ-2 possess high-lying highest occupied molecular orbital energy levels (about -5.0 eV). They exhibit typical p-type semiconductor characteristics according to the results of characterization of organic field-effect transistors. This work presents an alternative p-extended aromatic-quinoidal design strategy and a convenient DArP method to build new p-AQM polymer semiconductors.

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Community:

  • [ 1 ] [Xiao, Yufa]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Int HongKong Macao & Taiwan,Joint Lab Adv Mat Tech, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Li, Zefeng]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Int HongKong Macao & Taiwan,Joint Lab Adv Mat Tech, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Zheng, Yingxuan]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Int HongKong Macao & Taiwan,Joint Lab Adv Mat Tech, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Deng, Ping]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Int HongKong Macao & Taiwan,Joint Lab Adv Mat Tech, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Yu, Yan]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Int HongKong Macao & Taiwan,Joint Lab Adv Mat Tech, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Fu, Huaijie]Southwest Univ, Sch Phys Sci & Technol, Chongqing Key Lab Micro&Nano Struct Optoelect, Chongqing 400715, Peoples R China
  • [ 7 ] [Lei, Yanlian]Southwest Univ, Sch Phys Sci & Technol, Chongqing Key Lab Micro&Nano Struct Optoelect, Chongqing 400715, Peoples R China

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Source :

MATERIALS ADVANCES

ISSN: 2633-5409

Year: 2023

Issue: 8

Volume: 4

Page: 1927-1934

5 . 2

JCR@2023

5 . 2 0 0

JCR@2023

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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