Photocrosslinkable π-conjugated cruciform molecules for electronic/ optoelectronic applications

Mai Ha Hoang, Duc Nghia Nguyen, Dong Hoon Choi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The development of organic field-effect transistors (OFETs) and organic photovoltaic cells (OPV) has seen much progress using solution-processable organic semiconductors, which can combine high charge transport mobility, stability and patternability. In this work, we report on the design and synthesis of a new type of photopatternable n -conjugated cruciform molecule. These molecules are capable of photopatterning by virtue of photopolymerization of the reactive end-groups (pentadien or acrylate). Their solubility is very good for solution processing. Transistor devices using these molecules provided a maximum field-effect mobility of 3.7 x 10-3 cm2 V-1 s-1 as well as a high current on/off ratio. Remarkably, it was found that their charge carrier mobilities were well-maintained, even after the photocrosslinking process.

Original languageEnglish
Article number045006
JournalAdvances in Natural Sciences: Nanoscience and Nanotechnology
Volume2
Issue number4
DOIs
Publication statusPublished - 2011 Dec 1

Keywords

  • Cruciform molecule
  • Organic field-effect transistor
  • Photocrosslinkable

ASJC Scopus subject areas

  • Materials Science(all)
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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