Extended conjugated semiconducting molecules based on triphenylene

Mai Ha Hoang, Duc Nghia Nguyen, Dong Hoon Choi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The authors report on the design and synthesis of new semiconducting materials, based on a triphenylene core. In comparison with all previous reported triphenylene derivatives, these molecules have lower bandgap energies. 2,3,6,7,10,11-Hexakis(4-((E)-2-(50-hexyl- 2,20-bithiophen-5-yl)vinyl)phenyl) triphenylene and 2,3,6,7,10,11-Hexakis(4- ((E)-2-(50-dodecyl-2,20-bithiophen-5- yl)vinyl)phenyl)triphenylene have good solubility and are applicable to soluble processing for organic field effect transistor (OFET) and organic solar cell (OSC) fabrications. As far as we know, there are few reports on the application of π-extended triphenylene systems to OFET. The other molecule, 2,3,6,7,10,11-Hexakis((4-(5-dodecylthiophen-2-yl)phenyl)ethynyl)triphenylene, is a new discotic liquid crystalline (LC) semiconducting material. This molecule is readily soluble in common organic solvents to exhibit self-organizing long fiber structures with supramolecularly ordered columnar stacks that lie parallel to the substrate. The semiconducting properties of these molecules were quite promising for further designs of π-extended triphenylene derivatives.

Original languageEnglish
Article number035002
JournalAdvances in Natural Sciences: Nanoscience and Nanotechnology
Volume2
Issue number3
DOIs
Publication statusPublished - 2011 Sep 1

Fingerprint

Organic field effect transistors
Molecules
Derivatives
Organic solvents
Energy gap
Solubility
Liquid Crystals
Crystalline materials
Fabrication
triphenylene
Fibers
Liquids
Substrates
Processing
Organic solar cells

Keywords

  • π-Extended triphenylene
  • Conjugated semiconductor
  • Liquid crystal
  • Organic field effect transistor

ASJC Scopus subject areas

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

Cite this

Extended conjugated semiconducting molecules based on triphenylene. / Hoang, Mai Ha; Nguyen, Duc Nghia; Choi, Dong Hoon.

In: Advances in Natural Sciences: Nanoscience and Nanotechnology, Vol. 2, No. 3, 035002, 01.09.2011.

Research output: Contribution to journalArticle

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