Light-Emitting Materials, Devices, and Technologies

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

[+] Author Affiliations
Mohammad Taghi Sharbati

Shiraz University of Technology, Department of Electrical and Electronics Engineering, P.O. Box 71555-313, Shiraz 71557-13876, Iran

Farhad Panahi

Shiraz University, College of Science, Department of Chemistry, P. O. Box 71454, Shiraz 71946-84795, Iran

Abdo-Reza Nekoei

Shiraz University of Technology, Department of Chemistry, P. O. Box 71555-313, Shiraz 71557-13876, Iran

Farzin Emami

Shiraz University of Technology, Department of Electrical and Electronics Engineering, P.O. Box 71555-313, Shiraz 71557-13876, Iran

Khodabakhsh Niknam

Persian Gulf University, Department of Chemistry, P. O. Box 75169, Bushehr 75169-13817, Iran

J. Photon. Energy. 4(1), 043599 (Jan 03, 2014). doi:10.1117/1.JPE.4.043599
History: Received June 12, 2013; Revised November 12, 2013; Accepted December 3, 2013
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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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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

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", J. Photon. Energy. 4(1), 043599 (Jan 03, 2014). ; http://dx.doi.org/10.1117/1.JPE.4.043599


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