Blue to red electroluminescence emission from organic light-emitting diodes based on π-conjugated organic semiconductor materials

Mohammad Taghi Sharbati; Farhad Panahi; Abdo-Reza Nekoei; Farzin Emami; Khodabakhsh Niknam

doi:10.1117/1.JPE.4.043599

3 January 2014 Blue to red electroluminescence emission from organic light-emitting diodes based on π-conjugated organic semiconductor materials

Mohammad Taghi Sharbati, Farhad Panahi, Abdo-Reza Nekoei, Farzin Emami, Khodabakhsh Niknam

Author Affiliations +

Journal of Photonics for Energy, Vol. 4, Issue 1, 043599 (January 2014). https://doi.org/10.1117/1.JPE.4.043599

Abstract

Blue to red organic light-emitting diodes based on a series of newly synthesized distyrylbenzenes have been demonstrated. Their optical properties have been theoretically and experimentally studied in order to inquire into the substitution effects (such as electron-donating, electron-withdrawing, and steric hindrance) on the emission color. Density functional theory at B3LYP/6-311+G(d) level of calculation was employed to obtain the molecular structures and highest occupied molecular orbital and lowest unoccupied molecular orbital surfaces. Electroluminescence emission range of compounds could be tuned by changing the strength of the acceptor component and using push–pull and nonplanarity effects from 483 (blue) to 600 (red) nm.

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Mohammad Taghi Sharbati, Farhad Panahi, Abdo-Reza Nekoei, Farzin Emami, and Khodabakhsh Niknam "Blue to red electroluminescence emission from organic light-emitting diodes based on π-conjugated organic semiconductor materials," Journal of Photonics for Energy 4(1), 043599 (3 January 2014). https://doi.org/10.1117/1.JPE.4.043599

Published: 3 January 2014

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