Advanced search
Publication Cover
Molecular Crystals and Liquid Crystals Volume 520, 2010 - Issue 1: Proceedings of the KJF-International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP)
Submit an article Journal homepage
97
Views
1
CrossRef citations to date
0
Altmetric
Original Articles

Electron Transporting Layer Effect of OLED Using Zn(HPQ)2

Jun-Woo Park Department of Electrical Engineering & NTRC, Dong-A University, Busan, Korea
,
Gyu-Chae Choi Department of Electrical Engineering & NTRC, Dong-A University, Busan, Korea
,
Dong-Eun Kim Department of Electrical Engineering & NTRC, Dong-A University, Busan, Korea
,
Byoung-Sang Kim Department of Electrical Engineering & NTRC, Dong-A University, Busan, Korea
,
Burm-Jong Lee Department of Chemistry & Institute of Functional Materials, Inje University, Gimhae, Korea
&
Young-Soo Kwon Department of Electrical Engineering & NTRC, Dong-A University, Busan, KoreaCorrespondence[email protected]
Pages 90/[366]-96/[372] | Published online: 19 Apr 2010
 
Sample our Physical Sciences journals, sign in here to start your FREE access for 14 days

Abstract

We have synthesized (8-hydroxy-7-propylquinoline) zinc(II) (Zn(HPQ)2) to use in OLED. Photoluminescence (PL) peak of Zn(HPQ)2 was observed at 555 nm which showed yellow emission. In the cyclic voltammetry (CV) experiment, the HOMO and the LUMO of the Zn(HPQ)2 measured to be 6.7 eV and 3.3 eV. So we expected that Zn(HPQ)2 could be used as emitting layer (EML) and electron transporting layer (ETL). In this study, we investigated the efficiency properties of OLED based on Zn(HPQ)2 as ETL. The device structures were ITO/NPB/Alq3/Zn(HPQ)2/LiF/Al. Prior to film deposition, ITO substrate performed surface treatment by UV-ozone for 1 minute. We fabricated devices by thickness change of Zn(HPQ)2, so we founded optimal condition about thickness. Improvement of the OLED performance can be attributed to the reduction of the electron injection barrier of the Zn(HPQ)2 layer.

Acknowledgement

This study was supported by research funds from Dong-A University.

Log in via your institution

Access through your institution

Log in to Taylor & Francis Online

Restore content access

Restore content access for purchases made as guest
Purchase options * Save for later

PDF download + Online access

  • 48 hours access to article PDF & online version
  • Article PDF can be downloaded
  • Article PDF can be printed
USD 61.00 Add to cart

Issue Purchase

  • 30 days online access to complete issue
  • Article PDFs can be downloaded
  • Article PDFs can be printed
USD 2,387.00 Add to cart

* Local tax will be added as applicable

Related Research

People also read lists articles that other readers of this article have read.

Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.

Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.