New conjugated materials containing cyano substituents for light-emitting diodes

Date

2006-02-01

Author

Çırpan, Ali
RATHNAYAKE, Hemali P.
Günbaş, Emrullah Görkem
LAHTI, Paul M.
KARASZ, Frank E.

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New electroluminescent cyano-substituted phenylenevinylene (PV) monomeric and oligomeric chromophores, 1–3, were synthesized by Knoevenagel condensation and investigated in terms of their photoluminescence (PL) and electroluminescence (EL) behavior. All show PL emission maxima between 463 and 471 nm in solution with quantum efficiencies of 0.65, 0.46 and 0.68, respectively. EL maxima in an LED configuration ITO/PEDOT–PSS/1–3/Ca–Al were 507, 518 and 551 nm with luminance efficiencies 0.01, 0.05 and 0.02 cd/A, respectively.

Subject Keywords

Mechanical Engineering, Materials Chemistry, Mechanics of Materials, Electronic, Optical and Magnetic Materials, Condensed Matter Physics, Metals and Alloys

URI

https://hdl.handle.net/11511/34936

Journal

Synthetic Metals

DOI

https://doi.org/10.1016/j.synthmet.2005.12.008

Collections

Department of Chemistry, Article

Citation Formats

A. Çırpan, H. P. RATHNAYAKE, E. G. Günbaş, P. M. LAHTI, and F. E. KARASZ, “New conjugated materials containing cyano substituents for light-emitting diodes,” Synthetic Metals, vol. 156, pp. 282–286, 2006, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/34936.