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Matrix influence on the OLED emitter Ir(btp)₂(acac) in polymetric host materials - Studies by persistent spectral hole burning

Bauer, R. ; Finkenzeller, Walter J. ; Bogner, U. ; Thompson, M. E. ; Yersin, Hartmut


Fundamental photophysical properties of the phosphorescent organometallic complex Ir(btp)₂(acac) doped in the polymeric matrices PVK, PFO, and PVB, respectively, are investigated. PVK and PFO are frequently used as host materials in organic light emitting diodes (OLEDs). By application of the laser spectroscopic techniques of phosphorescence line narrowing and persistent spectral hole burning – ...


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