Solution-processed, self-organized organic single crystal arrays with controlled crystal orientation

Akichika Kumatani, Chuan Liu, Yun Li, Peter Darmawan, Kazuo Takimiya, Takeo Minari, Kazuhito Tsukagoshi

Research output: Contribution to journalArticlepeer-review

73 Citations (Scopus)

Abstract

A facile solution process for the fabrication of organic single crystal semiconductor devices which meets the demand for low-cost and large-area fabrication of high performance electronic devices is demonstrated. In this paper, we develop a bottom-up method which enables direct formation of organic semiconductor single crystals at selected locations with desired orientations. Here oriented growth of one-dimensional organic crystals is achieved by using self-assembly of organic molecules as the driving force to align these crystals in patterned regions. Based upon the self-organized organic single crystals, we fabricate organic field effect transistor arrays which exhibit an average field-effect mobility of 1.1 cm2V-1s-1. This method canbecarried out under ambient atmosphere at room temperature, thus particularly promising for production of future plastic electronics.

Original languageEnglish
Article number393
JournalScientific reports
Volume2
DOIs
Publication statusPublished - 2012 May 3

ASJC Scopus subject areas

  • General

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