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In situ measurement of the internal luminescence quantum efficiency in organic light-emitting diodes
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/content/aip/journal/apl/95/26/10.1063/1.3279144
2009-12-29
2014-09-22

Abstract

The internal luminescencequantum efficiency is one limiting factor for the performance of organic light-emitting diodes.Photoluminescencemeasurements are frequently used to estimate but these neglect effects of the local environment of the emissive sites and the electrical excitation mechanism. We present a method for the in situmeasurement of under electrical operation. The current efficiency of several devices with different emitter-cathode distances is quantitatively compared. Precise optical simulation allows determining without additional assumptions.

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Scitation: In situ measurement of the internal luminescence quantum efficiency in organic light-emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/26/10.1063/1.3279144
10.1063/1.3279144
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