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Synthesis, Optical and Electrochemical Properties of High-Quality Cross-Conjugated Aromatic Polyketones

Ye, G., Liu, Y., Abdu-Aguye, M., Loi, M. A. & Chiechi, R. C., 10-Mar-2020, In : ACS Omega. 5, 9, p. 4689-4696 8 p.

Research output: Contribution to journalArticleAcademicpeer-review

This paper describes the synthesis and characterization of three new aromatic polyketones with repeating units based on 2,2'-(2,5-dihexy1-1,4-phenylene) dithiophene (PTK), 2,2'-(9,9-dihexy1-9H-fluorene-2,7-diyOdithiophene (PFTK), and 4,7-bis(3-hexylthiophen-2-yl)benzo[c][1,2,5]thiadiazole (PBTK). These polymers were obtained with a one-pot Suzuki-Miyaura crosscoupling-promoted homopolymerization to afford high-quality, defect-free polymers. Experimental and theoretical studies were applied to investigate their optical and electrical properties. The cross-conjugated nature of aromatic polyketones imparts excellent thermal stability. Exposure to acid converts the cross-conjugation to linear-conjugation, enabling the dynamic tuning of optoelectronic properties.

Original languageEnglish
Pages (from-to)4689-4696
Number of pages8
JournalACS Omega
Volume5
Issue number9
Publication statusPublished - 10-Mar-2020

    Keywords

  • 2,5-FURANDICARBOXYLIC ACID, KETONE)S, COPOLYMERIZATION, SUBSTITUTION, POLYMERS, MONOXIDE

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