Regular conjugated terpolymers comprising two different acceptors and bithiophene donor in repeating group: Effect of strong and weak acceptors on semiconducting properties

Mai Ha Hoang, Jong Soo Ahn, Duc Nghia Nguyen, Trinh Tung Ngo, Dae Hee Lee, Min Ju Cho, Dong Hoon Choi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Diketopyrrolopyrrole (DPP)-based terpolymers - P(DPP-TPyT) and P(DPP-T3MTT) - bearing bithiophene donating groups and weak accepting units such as pyridine (Py) or methyl thiophene-3-carboxylate (3MT), in the polymer backbone, were successfully synthesized. Although the two polymers had similar physical and electrochemical properties, grazing incidence X-ray diffraction patterns of P(DPP-TPyT) and P(DPP-T3MTT) showed mixed and edge-on orientations, respectively, in thermally annealed films. Accordingly, the P(DPP-T3MTT) showed twice the hole mobility of P(DPP-TPyT) in a thin-film transistor, and a blended film of P(DPP-T3MTT) and [6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) showed better power conversion efficiency in a polymer solar cell.

Original languageEnglish
Pages (from-to)1339-1347
Number of pages9
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume54
Issue number10
DOIs
Publication statusPublished - 2016 May 15

Fingerprint

Terpolymers
Polymers
Bearings (structural)
Thiophenes
Hole mobility
Butyric acid
Butyric Acid
Thiophene
Thin film transistors
Electrochemical properties
Pyridine
Diffraction patterns
Conversion efficiency
Esters
Physical properties
X ray diffraction
Polymer solar cells
pyridine

Keywords

  • conjugated polymer
  • diketopyrrolopyrrole
  • organic thin film transistor
  • polymer solar cell
  • terpolymer

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Organic Chemistry

Cite this

Regular conjugated terpolymers comprising two different acceptors and bithiophene donor in repeating group : Effect of strong and weak acceptors on semiconducting properties. / Hoang, Mai Ha; Ahn, Jong Soo; Nguyen, Duc Nghia; Ngo, Trinh Tung; Lee, Dae Hee; Cho, Min Ju; Choi, Dong Hoon.

In: Journal of Polymer Science, Part A: Polymer Chemistry, Vol. 54, No. 10, 15.05.2016, p. 1339-1347.

Research output: Contribution to journalArticle

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AU - Ngo, Trinh Tung

AU - Lee, Dae Hee

AU - Cho, Min Ju

AU - Choi, Dong Hoon

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