Directional photoluminescence enhancement of organic emitters via surface plasmon coupling

Shou Yu Nien, Nan-Fu Chiu, Yu Hsuan Ho, Jiun Haw Lee, Chii Wann Lin, Kuang Chong Wu, Chih Kung Lee, Jia Rong Lin, Mao Kuo Wei, Tien Lung Chiu

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

In this paper, we had quantitatively investigated the photoluminescence of organic emitter on a Si substrate with periodically corrugated metal thin film experimentally and theoretically. Due to the plasmonic coupling by the metal gratings, 4.3 times and 1.7 times enhancements in optical intensities were observed at specified and full viewing angles at certain wavelengths, respectively. Good agreement of angular-frequency versus in-plane wavevector (ω-k) curves between experiments and calculations were obtained when varying organic materials, metal materials, and grating pitches. Two different metal materials were used, which show slight shift in ω-k curves due to the high sensitivity of the surface plasmon to the relative permittivity.

Original languageEnglish
Article number103304
JournalApplied Physics Letters
Volume94
Issue number10
DOIs
Publication statusPublished - 2009 Mar 24

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emitters
photoluminescence
augmentation
metals
gratings
curves
organic materials
permittivity
shift
thin films
wavelengths

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Directional photoluminescence enhancement of organic emitters via surface plasmon coupling. / Nien, Shou Yu; Chiu, Nan-Fu; Ho, Yu Hsuan; Lee, Jiun Haw; Lin, Chii Wann; Wu, Kuang Chong; Lee, Chih Kung; Lin, Jia Rong; Wei, Mao Kuo; Chiu, Tien Lung.

In: Applied Physics Letters, Vol. 94, No. 10, 103304, 24.03.2009.

Research output: Contribution to journalArticle

Nien, SY, Chiu, N-F, Ho, YH, Lee, JH, Lin, CW, Wu, KC, Lee, CK, Lin, JR, Wei, MK & Chiu, TL 2009, 'Directional photoluminescence enhancement of organic emitters via surface plasmon coupling', Applied Physics Letters, vol. 94, no. 10, 103304. https://doi.org/10.1063/1.3097027
Nien, Shou Yu ; Chiu, Nan-Fu ; Ho, Yu Hsuan ; Lee, Jiun Haw ; Lin, Chii Wann ; Wu, Kuang Chong ; Lee, Chih Kung ; Lin, Jia Rong ; Wei, Mao Kuo ; Chiu, Tien Lung. / Directional photoluminescence enhancement of organic emitters via surface plasmon coupling. In: Applied Physics Letters. 2009 ; Vol. 94, No. 10.
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AU - Wu, Kuang Chong

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