TY - JOUR
T1 - Interactions between excitation and extraction modes in an organic-based plasmon-emitting diode
AU - Chiu, Nan Fu
AU - Le Ster, Maxime
AU - Yang, Cheng Du
AU - Tseng, Ming Hung
AU - Tsai, Feng Yu
N1 - Funding Information:
The authors would like to thank the Ministry of Science and Technology of the Republic of China, Taiwan, for financially supporting this research under Contract No. MOST 103-2221-E-003-008, NSC 102-2221-E-003-021 and NSC 99-2218-E-003-002-MY3.
Publisher Copyright:
© 2015 Elsevier B.V. All rights reserved.
PY - 2015/3/30
Y1 - 2015/3/30
N2 - This study demonstrates the feasibility of enhancing an organic-based plasmon-emitting diode on the directional light beaming efficiency by near-field surface plasmon polaritons (SPPs) in both metal grating and polymer grating nanostructures. The interaction between organic/metal and PR/metal interfaces to cause SPPs can facilitate specific directional emission. Directional emission properties give rise to a spectral band-gap response enhancement. Our results also verify that efficient surface plasmon grating coupled emissions (SPGCEs) can improve directionality under index-mediated tuning. Experimental results indicate SP decoupling emission in the visible light. The subsequent emission intensity can increase by up to 3.5 times. Moreover, a narrow FWHM of approximately 60 nm in a defined direction is achieved, and an SP coupling rate is approximately 80% on the metal grating structure. The proposed method is highly promising for use as an active plasmonic emitter and discoloration biosensors with enhanced SPPs resonance energy, owing to interactions with the organic/metal nanostructure.
AB - This study demonstrates the feasibility of enhancing an organic-based plasmon-emitting diode on the directional light beaming efficiency by near-field surface plasmon polaritons (SPPs) in both metal grating and polymer grating nanostructures. The interaction between organic/metal and PR/metal interfaces to cause SPPs can facilitate specific directional emission. Directional emission properties give rise to a spectral band-gap response enhancement. Our results also verify that efficient surface plasmon grating coupled emissions (SPGCEs) can improve directionality under index-mediated tuning. Experimental results indicate SP decoupling emission in the visible light. The subsequent emission intensity can increase by up to 3.5 times. Moreover, a narrow FWHM of approximately 60 nm in a defined direction is achieved, and an SP coupling rate is approximately 80% on the metal grating structure. The proposed method is highly promising for use as an active plasmonic emitter and discoloration biosensors with enhanced SPPs resonance energy, owing to interactions with the organic/metal nanostructure.
KW - Biosensors
KW - Directional emission
KW - Full-width at half-maximum (FWHM)
KW - Plasmonic emitter
KW - Surface plasmon grating coupled emissions (SPGCEs)
KW - Surface plasmon polaritons (SPPs)
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U2 - 10.1016/j.apsusc.2015.01.148
DO - 10.1016/j.apsusc.2015.01.148
M3 - Article
AN - SCOPUS:84924091937
SN - 0169-4332
VL - 332
SP - 97
EP - 104
JO - Applied Surface Science
JF - Applied Surface Science
ER -