Blue-light-emitting ambipolar field-effect transistors using an orqanic single crystal of 1,4-Bis(4-methylstyryl)benzene

Hajime Nakanotani, Ryota Kabe, Masayuki Yahiro, Taishi Takenobu, Yoshihiro Iwasa, Chihaya Adachi

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

An ambipolar light-emitting organic field-effect transistor (LE-OFET) based on a 1,4-Bis(4-methylstyryl)benzene (BSB-Me) single crystal was developed. The BSB-Me single crystal has very high photoluminescence quantum efficiency (φPL) of 89 ± 2%, while φPL of the BSB-Me vapor-deposited film is limited to a much lower value of 54 ± 2%. Ambipolar operation with successive blue electroluminescence from the FETs based on the BSB-Me single crystals was demonstrated by realizing nearly equal electron and hole mobilities [about 0.005 cm2/(Vs)] with asymmetric gold-calcium contacts. Since BSB-Me single crystals can perform light amplification, the BSB-Me-based ambipolar LE-OFET is a promising candidate for future electrically driven organic blue-emitting solid-state lasers.

Original languageEnglish
Pages (from-to)918011-918013
Number of pages3
JournalApplied Physics Express
Volume1
Issue number9
DOIs
Publication statusPublished - Sep 1 2008

Fingerprint

Field effect transistors
Benzene
field effect transistors
benzene
Single crystals
Organic field effect transistors
single crystals
Hole mobility
Solid state lasers
Electron mobility
hole mobility
Electroluminescence
solid state lasers
Quantum efficiency
electron mobility
electroluminescence
Amplification
quantum efficiency
calcium
Calcium

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Blue-light-emitting ambipolar field-effect transistors using an orqanic single crystal of 1,4-Bis(4-methylstyryl)benzene. / Nakanotani, Hajime; Kabe, Ryota; Yahiro, Masayuki; Takenobu, Taishi; Iwasa, Yoshihiro; Adachi, Chihaya.

In: Applied Physics Express, Vol. 1, No. 9, 01.09.2008, p. 918011-918013.

Research output: Contribution to journalArticle

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AU - Iwasa, Yoshihiro

AU - Adachi, Chihaya

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