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dc.contributor.advisorBaker, Sheila N.eng
dc.contributor.authorSze, Leonhard Long-Hengeng
dc.date.issued2013eng
dc.date.submitted2013 Springeng
dc.descriptionTitle from PDF of title page (University of Missouri--Columbia, viewed on September 12, 2013).eng
dc.descriptionThe entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file.eng
dc.descriptionThesis advisor: Dr Sheila Bakereng
dc.descriptionIncludes bibliographical references.eng
dc.descriptionM.S. University of Missouri-Columbia 2013.eng
dc.descriptionDissertations, Academic -- University of Missouri--Columbia -- Chemical engineering.eng
dc.description"May 2013"eng
dc.description.abstractNovel functional Ionic Liquids (ILs) and Deep Eutectic Solvents (DESs), containing unique properties, were investigated. Eight new salts based on four different β-diketonate anions, each coupled with the choline or tetrabutylphosphonium cation were prepared and fully characterized via ESI-MS, FTIR, and 1H/13C NMR. The thermal stabilities and transitions for these β-diketonate salts were explored using DSC and TGA. The inherent binding capability of the β-diketonate allowed for lanthanide recognition in which the coordination with Eu3+ resulted in a intensification of luminescence. Additionally, these ILs display prominent color change of the β-diketonate in the presence of an acid source, permitting the visual transduction of local pH changes. Utility for carbon capture was also considered, however, these ILs were essentially incapable of binding CO2. Computational studies revealed that the association of CO2 to the β-diketonate anion was thermodynamically unfavored and sterically hindered. A DES of choline chloride (ChCl) and glycerol (Gly) along with a superbase was shown to capture up to 124 mg of CO2 per g of reagents (1.00 mole CO2 per mole of ChCl and Gly). Different bases and mixture composition were also investigated. The system could also be easily reversed upon heating under nitrogen. The optimal system for CO2 capture was found to contain a 1:2 ChCl:Gly DES mixture mixed with the superbase, DBN, in a 1:3.5 Gly:DBN molar ratio. Overall, these newly introduced β-diketonate ILs and DES and superbase mixture showed interesting and useful physicochemical properties applicable to a number of applications.eng
dc.format.extentix, 81 pageseng
dc.identifier.urihttp://hdl.handle.net/10355/38396
dc.languageEnglisheng
dc.publisherUniversity of Missouri--Columbiaeng
dc.relation.ispartofcommunityUniversity of Missouri--Columbia. Graduate School. Theses and Dissertationseng
dc.sourceSubmitted by the University of Missouri--Columbia Graduate Schooleng
dc.subjectionic liquideng
dc.subjectdeep eutectic solventeng
dc.subjectlanthanide sensingeng
dc.subjectsuperbaseeng
dc.subjectβ-diketonateeng
dc.titleFunctional ionic liquids and deep eutectic solvents for luminescence sensing applications and carbon captureeng
dc.typeThesiseng
thesis.degree.disciplineChemical engineering (MU)eng
thesis.degree.grantorUniversity of Missouri--Columbiaeng
thesis.degree.levelMasterseng
thesis.degree.nameM.S.eng


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