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Optical detection of charge carriers in organic light‐emitting diodes

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2 Author(s)
Redecker, M. ; Fachbereich Physikalische Chemie und Zentrum für Materialwissenschaften der Philipps‐Universität Marburg, D‐35032 Marburg, Germany ; Bassler, H.

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A modulation technique is described to measure the optical absorption due to majority carriers (holes) in single layer and bilayer organic light‐emitting diodes. It allows determination of the space‐charge density inside the device at a given current, the time response of the system and the charge carrier mobility. © 1996 American Institute of Physics.

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Applied Physics Letters  (Volume:69 ,  Issue: 1 )