Controlling hole injection in organic electroluminescent device by sputter-grown Cu-phthalocyanine thin films

Shin Cheul Kim, Gun Bae Lee, Myung Woon Choi, Youngsuk Roh, Chung Nam Whang, Kwangho Jeong, Jae Gyoung Lee, Sunwook Kim

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

A sputter-grown Cu-phthalocyanine (SG-CuPc) thin films have been employed to control the anode interface of organic electroluminescent device (OELD). Insertion of a thin SG-CuPc between the indium tin oxide and hole-transport layers enhances the hole injection in a controllable manner, which can increase the device efficiency and decrease the operation voltage without increasing the interface roughness. Time-voltage-luminescence measurements show the improved operational durability of the thin SG-CuPc inserted OELD.

Original languageEnglish
Pages (from-to)1445-1447
Number of pages3
JournalApplied Physics Letters
Volume78
Issue number10
DOIs
Publication statusPublished - 2001 Mar 5

Fingerprint

injection
thin films
electric potential
durability
indium oxides
tin oxides
insertion
anodes
roughness
luminescence

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Kim, Shin Cheul ; Lee, Gun Bae ; Choi, Myung Woon ; Roh, Youngsuk ; Whang, Chung Nam ; Jeong, Kwangho ; Lee, Jae Gyoung ; Kim, Sunwook. / Controlling hole injection in organic electroluminescent device by sputter-grown Cu-phthalocyanine thin films. In: Applied Physics Letters. 2001 ; Vol. 78, No. 10. pp. 1445-1447.
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Controlling hole injection in organic electroluminescent device by sputter-grown Cu-phthalocyanine thin films. / Kim, Shin Cheul; Lee, Gun Bae; Choi, Myung Woon; Roh, Youngsuk; Whang, Chung Nam; Jeong, Kwangho; Lee, Jae Gyoung; Kim, Sunwook.

In: Applied Physics Letters, Vol. 78, No. 10, 05.03.2001, p. 1445-1447.

Research output: Contribution to journalArticle

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