Conducting metallopolymers have been investigated for a variety of applications
due to their ability to take advantage of both the mechanical processability of the polymer
material, as well as the optical and electronic properties of the metal. Our project goal is
to design, synthesize and characterize novel iridium(III)-containing conducting
metallopolymers for use as the active layer in polymer light-emitting diodes. We have
utilized thiophene functionalized ligands that can be readily electropolymerized into
conducting polymer thin films and can be easily incorporated into a device structure.
Iridium(III) was chosen as the metal center due to its promising photophysical properties,
as similar complexes have demonstrated high luminescent quantum yields and short
phosphorescent lifetimes. The coordination environment around the metal can be altered
synthetically to tune the emission wavelength across the visible spectrum. The synthetic
control over the polymer backbone, as well as the iridium(III) ligand environment,
allowed us to independently vary each component, which has provided a variety of
materials. The materials are characterized through 1H and 13C NMR, mass spectrometry,
elemental analysis, electrochemistry, X-Ray diffraction and X-Ray Photoelectron
Spectroscopy. The photophysical properties of the materials are studied through UVvii
Visible absorption spectroscopy, UV-Vis-NIR spectroelectrochemistry and steadystate/
time-resolved emission spectroscopy. / text
| Identifer | oai:union.ndltd.org:UTEXAS/oai:repositories.lib.utexas.edu:2152/ETD-UT-2012-05-5083 |
| Date | 06 July 2012 |
| Creators | Hesterberg, Travis Wayne |
| Source Sets | University of Texas |
| Language | English |
| Detected Language | English |
| Type | thesis |
| Format | application/pdf |
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