20 April 2006 Charge injection in organic light emitting diodes governed by interfacial states
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Abstract
Charge injection in organic light emitting diodes (OLEDs) is studied by impedance spectroscopy on a solution processable polymer based OLED (PLED) using different metallic cathodes. A negative capacitance is observed in organic light-emitting diodes (OLEDs) at low frequencies which can be explained using a detailed kinetic model based on sequential injection through surface states at the metal/organic interface. In this paper the methodology used to derive this model and its application to experimental data is presented.
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Juan Bisquert, Juan Bisquert, Germà Garcia-Belmonte, Germà Garcia-Belmonte, José M. Montero, José M. Montero, Henk J. Bolink, Henk J. Bolink, } "Charge injection in organic light emitting diodes governed by interfacial states", Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 619210 (20 April 2006); doi: 10.1117/12.661454; https://doi.org/10.1117/12.661454
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