Internal electric field study for green phosphorescent polymer light-emitting diodes with crosslinked Lnterlayers

Rui Jin, John C. DeMello, Donal D.C. Bradley, Malte Gather, Klaus Meerholz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present electroabsorption spectroscopy to measure the internal electric field in green phosphorescent polymer light-emitting-diodes with crosslinked interlayer between PEDOT:PSS and emissive layer. The phenomenon of trapped electrons screening the bulk semiconductor from the external field can explain the efficiency improvement by adding a 5-30 nm MUPD film near the anode. © 2007 SID.
Original languageEnglish (US)
Title of host publicationDigest of Technical Papers - SID International Symposium
PublisherSociety for Information Display
DOIs
StatePublished - Jan 1 2007
Externally publishedYes

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