High PLED Enhancement by Surface Plasmon Coupling of Au Nanoparticles

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• 作者：Sy-Hann Chen (1)
  Chuan-Tai Yen (1)
  Chang-Feng Yu (1)
  Po-Ching Kao (1)
  Chia-Feng Lin (2)
  
  1. Department of Electrophysics ; National Chiayi University ; Chiayi ; 600 ; Taiwan
  2. Department of Materials Science and Engineering ; National Chung Hsing University ; Taichung ; 402 ; Taiwan
  
• 关键词：Sputtering system ; Au nanoparticles ; Polymer light ; emitting diode ; Surface ; plasmon ; enhanced emission
• 刊名：Plasmonics
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：10
• 期：2
• 页码：257-261
• 全文大小：1,203 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Biotechnology
  Nanotechnology
  Biophysics and Biomedical Physics
  Biochemistry
  
• 出版者：Springer US
• ISSN：1557-1963

文摘

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.