Extremely low amplified spontaneous emission threshold and blue electroluminescence from a spin-coated octafluorene neat film

D. H. Kim, A. S.D. Sandanayaka, L. Zhao, D. Pitrat, J. C. Mulatier, T. Matsushima, C. Andraud, J. C. Ribierre, C. Adachi

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We report on the photophysical, amplified spontaneous emission (ASE), and electroluminescence properties of a blue-emitting octafluorene derivative in spin-coated films. The neat film shows an extremely low ASE threshold of 90 nJ/cm2, which is related to its high photoluminescence quantum yield of 87% and its large radiative decay rate of 1.7 × 109 s−1. Low-threshold organic distributed feedback semiconductor lasers and fluorescent organic light-emitting diodes with a maximum external quantum efficiency as high as 4.4% are then demonstrated, providing evidence that this octafluorene derivative is a promising candidate for organic laser applications.

Original languageEnglish
Article number023303
JournalApplied Physics Letters
Volume110
Issue number2
DOIs
Publication statusPublished - Jan 9 2017

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electroluminescence
spontaneous emission
organic lasers
thresholds
laser applications
distributed feedback lasers
decay rates
quantum efficiency
light emitting diodes
semiconductor lasers
photoluminescence

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Extremely low amplified spontaneous emission threshold and blue electroluminescence from a spin-coated octafluorene neat film. / Kim, D. H.; Sandanayaka, A. S.D.; Zhao, L.; Pitrat, D.; Mulatier, J. C.; Matsushima, T.; Andraud, C.; Ribierre, J. C.; Adachi, C.

In: Applied Physics Letters, Vol. 110, No. 2, 023303, 09.01.2017.

Research output: Contribution to journalArticle

Kim, D. H. ; Sandanayaka, A. S.D. ; Zhao, L. ; Pitrat, D. ; Mulatier, J. C. ; Matsushima, T. ; Andraud, C. ; Ribierre, J. C. ; Adachi, C. / Extremely low amplified spontaneous emission threshold and blue electroluminescence from a spin-coated octafluorene neat film. In: Applied Physics Letters. 2017 ; Vol. 110, No. 2.
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