Single molecule color controllable light emitting organic field effect transistors for white light emission with high color stability

Tung Huei Ke, Robert Gehlhaar, Chih Hsin Chen, Jiann T. Lin, Chung Chih Wu, Chihaya Adachi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The authors report on color controllable white light emission from a unipolar organic light emitting transistor. We demonstrate light emission with two distinct peaks: a spectrally narrow blue emission from monomers and a yellow broadband emission created close to the interface of the organic film and SiO2. Due to the functionality of Mg/Au stacked electrodes, we are able to position the recombination zone via gate voltage control. Therefore, we are able to shift the spectral peak position and change the emission intensity independently by the drain voltage. The emission color is tunable from CIE coordinates (0.27, 0.28) to (0.40, 0.41).

Original languageEnglish
Article number063303
JournalApplied Physics Letters
Volume95
Issue number6
DOIs
Publication statusPublished - Aug 27 2009

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light emission
field effect transistors
color
molecules
electric potential
transistors
monomers
broadband
electrodes
shift

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Single molecule color controllable light emitting organic field effect transistors for white light emission with high color stability. / Ke, Tung Huei; Gehlhaar, Robert; Chen, Chih Hsin; Lin, Jiann T.; Wu, Chung Chih; Adachi, Chihaya.

In: Applied Physics Letters, Vol. 95, No. 6, 063303, 27.08.2009.

Research output: Contribution to journalArticle

Ke, Tung Huei ; Gehlhaar, Robert ; Chen, Chih Hsin ; Lin, Jiann T. ; Wu, Chung Chih ; Adachi, Chihaya. / Single molecule color controllable light emitting organic field effect transistors for white light emission with high color stability. In: Applied Physics Letters. 2009 ; Vol. 95, No. 6.
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