Solution-processable 2,1,3-benzothiadiazole containing compound based on the novel 1-dodecyl-6-dodecoxynaphthyridine-2-one unit for organic field-effect transistors

Joseph Cameron, Lana Nanson, Nicolas Blouin, Neil J. Findlay, Anto R. Inigo, Peter J. Skabara

Research output: Contribution to journalArticle

2 Citations (Scopus)
58 Downloads (Pure)

Abstract

Small molecule organic semiconductors have well-defined structures and can be used in place of polymers which often show batch-to-batch variation. Many different electron-rich donor and electron-deficient acceptor units have been used to design materials with reduced HOMO-LUMO gaps and improved mobilities. Here we introduce a novel acceptor unit, 1-dodecyl-6-dodecoxynaphthyridine-2-one. This acceptor unit has been used in the synthesis of two novel compounds, with thiophene and 2,1,3-benzothiadiazole (BT) cores. The BT-containing compound shows a narrower HOMO-LUMO gap, broad solid-state absorption and has been applied to organic field-effect transistors, showing a mobility of 0.022 cm2 V−1 s−1 after optimisation of devices using self-assembled monolayers.


Original languageEnglish
Pages (from-to)400-405
Number of pages6
JournalOrganic Electronics
Volume49
Early online date4 Jul 2017
DOIs
Publication statusE-pub ahead of print - 4 Jul 2017

Keywords

  • organic field-effect transistor (OFET)
  • organic semiconductors
  • solution-processing
  • novel acceptor unit
  • naphthyridine

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