P -type doping in organic light emitting diodes based on fluorinated C60

Young Jun Yu, Olga Solomeshch, Helena Chechik, A. A. Goryunkov, R. F. Tuktarov, Dong Hoon Choi, Jung Il Jin, Yoav Eichen, Nir Tessler

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

We report on hybrid organic light emitting diodes based on spin coated PVK (poly(vinylcarbazole))/poly-TPD (poly(triphenyldiamine)) formulation electron blocking and conjugated peptide emitter layers while the hole blocking, BCP (2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline), layer is vacuum sublimed. The device structure is realized through the use of fluorinated C60 as a p -dopant in a cross-linked hole transporting formulation. The lowering of the turn-on voltage is demonstrated using a conjugated peptide as the emitter layer. We suggest that fluorinated C60s could play a major role as tunable dopants in organic electronics.

Original languageEnglish
Article number124505
JournalJournal of Applied Physics
Volume104
Issue number12
DOIs
Publication statusPublished - 2008

Bibliographical note

Funding Information:
We acknowledge support of the Israel Ministry of Science and partial support by the Israel Science Foundation and the Russel Berry Nanotechnology Institute at the Technion (RBNI). Y.-J.Y. was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD).

ASJC Scopus subject areas

  • General Physics and Astronomy

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