Title:
Synthesis and characterization of norbornene-functionalized side-chain monomers for potential use as transport materials in organic light-emitting diodes
Synthesis and characterization of norbornene-functionalized side-chain monomers for potential use as transport materials in organic light-emitting diodes
Author(s)
McClary, LaKeisha Michelle
Advisor(s)
Marder, Seth R.
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Abstract
We have synthesized norbornene-functionalized side-chain monomers for potential use as hole transporting and electron transporting/hole blocking materials in organic light-emitting diodes. TPD-norbornenes were prepared. The monomers demonstrated similar electrochemical and absorbance spectra to the parent TPD small molecule. The similarity is promising for using the monomers in OLEDs because TPD is a known blue-emitter with relatively high hole mobility in amorphous thin films. 1,10-Phenanthroline small molecules and monomers were synthesized to explore their potential as hole blocking materials in multilayer devices. We had difficulty purifying the monomers; however, the small molecules were slightly easier to reduce than commonly used hole blocking materials 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline and 4,7-diphenyl-1,10-phenanthroline.
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Date Issued
2007-11-15
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Thesis