UNT Theses and Dissertations - 27 Matching Results

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Computational Development of Trimetallic Cyclotrimers for Gas-Filtration Applications through Non-Covalent Interactions

Description: Photophysical properties of an array of various polyaromatic hydrocarbons were benchmarked with B3LYP, M06 and B97D methods coupled with Pople and CEP-31G(d) basis sets. Results from the benchmark show the importance of diffuse basis sets when modeling the electronic properties of highly conjugated systems and provide qualitative reliable accuracy with certain levels of theory. B97D and M06 are applied to modeling pyrene adducts governed by non-covalent interactions in both gaseous and condense… more
Date: December 2019
Creator: Williams, Christopher M.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Preparing and Using Hydrophobic Fluorinated Polymers for Corrosion Protection on Aluminum Substrate

Description: Corrosion is one of the most expensive failures in industries that used metal components and other construction materials. In fact, corrosion is responsible for hundreds of billions-dollar loss in the US alone each year. In general, corrosion occurs when metal surfaces are exposed to water, oxygen, acids, bases, or salts. Therefore, metal substrates must be protected by using materials that act as barriers to avoid destructive corrosion attack. Aluminum is one of the most common metals used in … more
Date: May 2019
Creator: Yaseen, Waleed Khaleel
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Electrochemical Synthesis and Characterization of Inorganic Materials from Aqueous Solutions

Description: The dissertation consists of the following three sections: 1. Hydroxyapatite (HA) coatings. In this work, we deposited HA precursor films from weak basic electrolytic solution (pH= 8-9) via an electrochemical approach; the deposits were changed into crystallite coatings of hydroxyapatite by sintering at specific temperatures (600-800 ºC). The formed coatings were mainly characterized by powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microsc… more
Date: December 2006
Creator: Yuan, Qiuhua
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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