New Organic and Organometallic Platforms for Luminescence and Catalysis Applications

Simple item page
dc.contributor.advisorTeets, Thomas S.
dc.contributor.committeeMemberDaugulis, Olafs
dc.contributor.committeeMemberColtart, Don M.
dc.contributor.committeeMemberBaldelli, Steven
dc.contributor.committeeMemberCuny, Gregory D.
dc.creatorChoung, Kusun 1985-
dc.date.accessioned2020-01-07T00:00:17Z
dc.date.createdMay 2019
dc.date.issued2019-05
dc.date.submittedMay 2019
dc.date.updated2020-01-07T00:00:18Z
dc.description.abstractThis dissertation describes the development of organometallic compounds, including cyclometalated platinum and iridium complexes and iridium pincer complexes, and organic chromophores, applied to dehydrogenation of alkanes, Lewis-acid-modulated luminescence, and ratiometric O2 sensing. Chapter 1 describes a series of cyclometalated platinum complexes with two different fluorinated β-diketiminate (NacNac) ligands, with the nuclearity of the product depending on the temperature of the reaction. The two types of complexes are characterized by X-ray crystallography, UV-vis absorption and emission spectroscopy, and by cyclic voltammetry, which shows a reversible reduction at mild potentials. All of these properties are suggested to involve NacNac-centered frontier orbitals. Chapter 2 describes two pyridyl-substituted BODIPY compounds and one aza-BODIPY, which can interact with the strong Lewis acid B(C6F5)3. The interactions of BODIPYs with borane Lewis acids induce significant changes in the photophysical properties of these chromophoric molecules. Chapter 3 introduces a new class of ratiometric O2 sensors for hypoxic environments. Two-component structures composed of phosphorescent cyclometalated Ir(III) complexes and the well-known organic fluorophore BODIPY exhibit dual emission, with significant phosphorescence from the iridium site and fluorescence from the BODIPY, and thus function as ratiometric oxygen sensors. Finally, Chapter 4 describes the synthesis of two type iridium pincer complexes (CCC- and CNC types) as precatalysts for the dehydrogenation of cyclooctane.
dc.description.departmentChemistry, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.citationPortions of this document appear in: Choung, Ku Sun, Mohammad Din Islam, Richard W. Guo, and Thomas S. Teets. "Monometallic and Bimetallic Platinum Complexes with Fluorinated β-Diketiminate Ligands." Inorganic chemistry 56, no. 22 (2017): 14326-14334. And in: Sun Choung, Ku, and Thomas S. Teets. "Lewis Acid Modulation of meso‐Pyridyl BODIPY Chromophores." ChemPhotoChem 3, no. 2 (2019): 86-92.
dc.identifier.urihttps://hdl.handle.net/10657/5801
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. UH Libraries has secured permission to reproduce any and all previously published materials contained in the work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectOrganic chromophores
dc.subjectOrganometallic platforms
dc.subjectLuminescence
dc.subjectLewis acid modulation
dc.subjectRatiometric oxygen sensors
dc.subjectPlatinum complexes with NacNac ligand
dc.titleNew Organic and Organometallic Platforms for Luminescence and Catalysis Applications
dc.type.dcmiText
dc.type.genreThesis
local.embargo.lift2021-05-01
local.embargo.terms2021-05-01
thesis.degree.collegeCollege of Natural Sciences and Mathematics
thesis.degree.departmentChemistry, Department of
thesis.degree.disciplineChemistry
thesis.degree.grantorUniversity of Houston
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy

Files

Original bundle

Now showing 1 - 1 of 1
Thumbnail Image
Name:
CHOUNG-DISSERTATION-2019.pdf
Size:
9.19 MB
Format:
Adobe Portable Document Format
Download

License bundle

Now showing 1 - 2 of 2
No Thumbnail Available
Name:
PROQUEST_LICENSE.txt
Size:
4.43 KB
Format:
Plain Text
Description:
Download
No Thumbnail Available
Name:
LICENSE.txt
Size:
1.81 KB
Format:
Plain Text
Description:
Download

Collections

Published ETD Collection