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Internal electric field study for green phosphorescent polymer light-emitting diodes with crosslinked interlayers
Conference proceeding   Peer reviewed

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

Rui Jin, John C. deMello, Donal D. C. Bradley, Malte Gather, Klaus Meerholz and SID
2007 SID INTERNATIONAL SYMPOSIUM, DIGEST OF TECHNICAL PAPERS, VOL XXXVIII, BOOKS I AND II, Vol.38, p.776
SID INTERNATIONAL SYMPOSIUM DIGEST OF TECHNICAL PAPERS
01/01/2007
DOI: https://doi.org/10.1889/1.2785421

Abstract

Computer Science Computer Science, Cybernetics Imaging Science & Photographic Technology Instruments & Instrumentation Science & Technology Technology
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.

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