Palladium-catalyzed carbonylative annulation toward new [1,2,5]thiadiazole-fused heteroacenes for solution-processed field-effect transistors

Shuli Liu, Xin Shi, Yueming Hu, Xinzhen Zhang, Wei Sun, Yuanyuan Qi, Nina Fu, Baomin Zhao, Wei Huang

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A straightforward synthetic strategy toward [1,2,5]thiadiazole-fused heteroacences via the Pd-catalyzed carbonylative (PdCC) annulation utilizing the building blocks of 5,6-substituted benzo[2,1,3-b]thiadidazole (BT) and 1 atm CO has been successfully developed. Preliminarily, solution-processed Field-effect transistor (FET) devices based on FTC8 exhibited a promising mobility up to 0.177 cm2/(Vs) with a current on/off ratio of nearly 1.2 × 105under an ambient atmosphere. This chemistry opens new perspectives toward high performance heteroacenes.

Original languageEnglish
Pages (from-to)4452-4455
Number of pages4
JournalTetrahedron Letters
Volume57
Issue number40
DOIs
StatePublished - 2016
Externally publishedYes

Keywords

  • Heteroacene
  • Organic field-effect transistor
  • Palladium-catalyzed carbonylative annulation
  • Solution-processed
  • [1,2,5]Thiadiazole

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