Multi-color light-emitting transistors composed of organic single crystals

Yohei Yomogida, Hayato Sakai, Kosuke Sawabe, Shota Gocho, Satria Zulkarnaen Bisri, Hajime Nakanotani, Chihaya Adachi, Taku Hasobe, Yoshihiro Iwasa, Taishi Takenobu

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We report a novel concept for multi-color light emission from an ambipolar organic single-crystal transistor using natural optical waveguides, the self-absorption effect, Davydov splitting and the unique alignment of the transition dipole moments. We used 9,10-bis-(2,2-diphenylvinyl)-anthracene single crystals to produce blue and green light from identical single-crystal transistors. We also observed red light, which corresponds to the emission from in-gap states that are caused by impurities. Importantly, each of these different colors corresponds to a distinguishable light polarization, which enables us to tune the emission color by using a light polarizer.

Original languageEnglish
Pages (from-to)2737-2742
Number of pages6
JournalOrganic Electronics
Volume14
Issue number11
DOIs
Publication statusPublished - 2013 Jan 1

Keywords

  • Ambipolar transistors
  • Light-emitting transistors
  • Organic single crystal

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

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  • Cite this

    Yomogida, Y., Sakai, H., Sawabe, K., Gocho, S., Bisri, S. Z., Nakanotani, H., Adachi, C., Hasobe, T., Iwasa, Y., & Takenobu, T. (2013). Multi-color light-emitting transistors composed of organic single crystals. Organic Electronics, 14(11), 2737-2742. https://doi.org/10.1016/j.orgel.2013.07.025