Effect of well number on organic multiple-quantum-well electroluminescent device characteristics

Jingsong Huang*, Kaixia Yang, Zhiyuan Xie, Baijun Chen, Hongjin Jiang, Shiyong Liu

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

52 Citations (Scopus)

Abstract

A doping technique for fabricating organic multiple-quantum-well electroluminescent (EL) devices is demonstrated. This device consists of N,N-Bis(3-methyphenyl)-N,N-diphenylbenzidine used as a hole transporter, undoped tris(8-quinolinolato) aluminum (Alq) as a barrier potential or electron transporter, and Alq doped with 5,6,11,12-tetraphenylnaphthacene as a potential well and an emitter. Our experimental results suggest that the double-quantum-well EL devices show the optimum emission characteristics. The efficiency and the luminance of the device achieve 15.7 lm/W and 7500 cd/m2, respectively.

Original languageEnglish
Pages (from-to)3348-3350
Number of pages3
JournalApplied Physics Letters
Volume73
Issue number23
DOIs
Publication statusPublished - 1998
Externally publishedYes

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