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Title: Elementary approach to calculate quantum efficiency of polymer light emitting diodes
Authors: Shukla, Manju
Brahme, Nameeta
Kher, R S
Khokhar, M S K
Keywords: PLEDs
Quantum efficiency
Organic semiconductors
Issue Date: Feb-2011
Publisher: NISCAIR-CSIR, India
Abstract: An elementary approach has been suggested to calculate the external quantum efficiency (EQE) of polymer light emitting diodes (PLEDs). This approach requires only the electroluminescence (EL) spectrum and illumination versus current characteristics of the devices to calculate the EQE. In these calculations the light emission has been considered to be perfectly diffusive from the emission surface. The efficiencies calculated in this way have been compared with the actual values of the EQEs for the different PLED structures available in the literature. The calculated values have shown good agreement with the measured values.
Description: 142-145
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.49(02) [February 2011]

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