Fabrication and electrical characterization of red organic light emitting diode using an isatin derivative as an organic chromophore

Mohammad T. Sharbati; Farzin Emami; Mohammad Navid Soltani Rad; Somayeh Behrouz; Abdo-Reza Nekoei

doi:10.1117/1.3567767

1 April 2011 Fabrication and electrical characterization of red organic light emitting diode using an isatin derivative as an organic chromophore

Mohammad T. Sharbati, Farzin Emami, Mohammad Navid Soltani Rad, Somayeh Behrouz, Abdo-Reza Nekoei

Author Affiliations +

Optical Engineering, Vol. 50, Issue 4, 044002 (April 2011). https://doi.org/10.1117/1.3567767

Abstract

In this study isatin and its novel Schiff base as a new red fluorescent material for organic light emitting diodes (OLEDs) are used for red color OLEDs. We fabricated OLEDs with the configuration of indium tin oxide/4.4′-Bis(N-carbazolyl-1,1′-biphenyl/red emitter/HGH₂/Alq₃/Li/Al which the electrical and optical properties of devices have been investigated. Their photoluminescence and electroluminescence properties for isatin and its Schiff base were examined and compared. The electroluminescent spectra of these materials ranges from 593 to 645 nm and their bandgaps are between 2.1 and 1.92 eV. The Commission International De L'Eclairage (1931) coordinates of these two compounds were measured and found to be (0.4325, 0.4329) and (0.4077, 0.4128) for two employed chromophores.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Mohammad T. Sharbati, Farzin Emami, Mohammad Navid Soltani Rad, Somayeh Behrouz, and Abdo-Reza Nekoei "Fabrication and electrical characterization of red organic light emitting diode using an isatin derivative as an organic chromophore," Optical Engineering 50(4), 044002 (1 April 2011). https://doi.org/10.1117/1.3567767

Published: 1 April 2011

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