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  1. NTU Scholars
  2. 電機資訊學院
  3. 光電工程學研究所
Please use this identifier to cite or link to this item: https://scholars.lib.ntu.edu.tw/handle/123456789/365470
Title: A high performance inverted organic light emitting diode using an electron transporting material with low energy barrier for electron injection
Authors: Lee, J.-H.
Wang, P.-S.
Park, H.-D.
Wu, C.-I.
Kim, J.-J.
CHIH-I WU 
Keywords: Electron injection; Flexible OLED; Inverted organic light emitting diodes; n-Doped/undoped organic semiconductor junction
Issue Date: 2011
Journal Volume: 12
Journal Issue: 11
Start page/Pages: 1763-1767
Source: Organic Electronics: physics, materials, applications 
Abstract: 
A high performance inverted green emission organic light emitting diode with a maximum external quantum efficiency of 20% and a maximum power efficiency of 80 lm/W was realized by properly selecting an electron transporting material to have no energy barrier for electron injection between the n-doped electron transporting layer (n-ETL) and the ETL. Based on the energy levels and the current density-voltage characteristics of electron only devices, we demonstrate that the interface between an n-ETL and an ETL even in homo-junction is as important as the interface between the cathode and the n-ETL for efficient electron injection into an emitting layer. © 2011 Elsevier B.V. All rights reserved.
URI: http://www.scopus.com/inward/record.url?eid=2-s2.0-80051603070&partnerID=MN8TOARS
http://scholars.lib.ntu.edu.tw/handle/123456789/365470
DOI: 10.1016/j.orgel.2011.07.015
SDG/Keyword: Doping (additives); Electron injection; Electrons; Energy barriers; Energy efficiency; Semiconductor diodes; Semiconductor junctions; Current density-voltage characteristics; Efficient electron injection; Electron transporting layer; Electron transporting materials; External quantum efficiency; Flexible OLED; Green emissions; N-doped; Organic light emitting diodes (OLED)
[SDGs]SDG7
Appears in Collections:光電工程學研究所

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臺大位居世界頂尖大學之列,為永久珍藏及向國際展現本校豐碩的研究成果及學術能量,圖書館整合機構典藏(NTUR)與學術庫(AH)不同功能平台,成為臺大學術典藏NTU scholars。期能整合研究能量、促進交流合作、保存學術產出、推廣研究成果。

To permanently archive and promote researcher profiles and scholarly works, Library integrates the services of “NTU Repository” with “Academic Hub” to form NTU Scholars.

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開放取用是從使用者角度提升資訊取用性的社會運動,應用在學術研究上是透過將研究著作公開供使用者自由取閱,以促進學術傳播及因應期刊訂購費用逐年攀升。同時可加速研究發展、提升研究影響力,NTU Scholars即為本校的開放取用典藏(OA Archive)平台。(點選深入了解OA)

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