High PLED Enhancement by Surface Plasmon Coupling of Au Nanoparticles

In this investigation, a simple, rapid, and low-cost sputtering system was employed to deposit a Au-nanoparticles (Au-NPs) layer in polymer light-emitting diode (PLED) at room temperature. The green-emitting PLEDs considered herein are single-layer devices based on a poly[9,9-dioctylfluorene- co -be...

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Published inPlasmonics (Norwell, Mass.) Vol. 10; no. 2; pp. 257 - 261
Main Authors Chen, Sy-Hann, Yen, Chuan-Tai, Yu, Chang-Feng, Kao, Po-Ching, Lin, Chia-Feng
Format Journal Article
LanguageEnglish
Published New York Springer US 01.04.2015
Subjects
Biochemistry
Biological and Medical Physics
Biophysics
Biotechnology
Charge transport
Chemistry
Chemistry and Materials Science
Electroluminescence
Emission
Gold
Nanoparticles
Nanotechnology
Plasmonics
Plasmons
Surface-plasmon-enhanced emission
Sputtering system
Au nanoparticles
Polymer light-emitting diode
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Summary:In this investigation, a simple, rapid, and low-cost sputtering system was employed to deposit a Au-nanoparticles (Au-NPs) layer in polymer light-emitting diode (PLED) at room temperature. The green-emitting PLEDs considered herein are single-layer devices based on a poly[9,9-dioctylfluorene- co -benzothiadiazole] emissive layer. This novel fabrication effectively avoids interruption or degradation of the charge transport properties of the active layer and therefore satisfies the high performance requirements for PLEDs. Because of the surface-plasmon-enhanced emission, the electroluminescence intensity of the green-emitting PLED based on the Au-NPs/ITO anode increased nearly 2.7-fold, compared to that of the standard green-emitting PLED with a bare ITO substrate.
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ISSN:1557-1955
1557-1963
DOI:10.1007/s11468-014-9803-3