Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Gold complex"”.
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1,2,3-triazoles as X-factor in gold(I) activation of challenging C-C triple bond transformations
… new reactivity of ligand-metal complexes was revealed.;A series of 1,2,3-triazole gold complexes were synthesized/characterized. This dissertation presents the results of research effort to explore the unique chemoselectivity and improved thermal stability that arises when …
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Development of the gel plating process for selective gold metallization
A Gel Plating Process for selective gold metallization was developed in this thesis. The Gel Plating Process selectively plates metal on catalytic features without exposing sensitive area, of the substrate surface to a corrosive plating bath. This process utilizes an electroless plating bath and …
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Characterizations of Gold Complexes and Mechanism of its Usage in π-bond Activation Reactions
Research on homogeneous gold (I) catalyzed chemistry has made many exciting discoveries during the last few decades. The gold catalysts have been applied in many interesting chemical transformations, especially in π-bond activation reactions to initiate nucleophilic addition. But experimental …
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Systematic Study of Parameters Affecting Unconventional Magnetism in Gold Nanostructures
… and interpretations of the novel magnetism of gold, by isolating two variables for testing. They are molecular dipole moment of the thiol that forms a self-assembled monolayer (SAM) on gold nanoparticles and thin-films, and roughness of gold thin-films. The first variable is chosen because the …
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Electrochemical study of gold thiosulfate extraction process
Thiosulfate has received a specific attention in gold extraction industry as a non-toxic alternative lixiviant for cyanidation process. Barrick Gold Corporation has commercialized thiosulfate gold leaching process in Goldstike mine in Nevada, USA. However, there is still potential for technical …
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Gold catalysts prepared by ion exchange for use in ethylene glycol oxidation: An exploratory study
Heterogeneous catalysis using supported gold nanocrystallites has attracted increasing attention over the last two decades for its applicability to a wide range of reactions, offering activity under ambient conditions, as well as high selectivities towards particular products. This study focuses on …
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Mesostructuring of SiCN Materials and Catalysts via Microphase Separation Technique utilizing High-Density Polyethylene Blocks
… using PE-OH as porogen 3) porous SiCN supported gold catalysts. Porous polyethylene template was synthesized from polyethylene-block-polylactide (PEOPL) copolymer by microphase separation technique and selective etching of polylactide block.1H NMR was used to confirm the formation of copolymer. …
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3-Propargilindoles y 3-Alenilmetilindoles: síntesis y reacciones catalizadas por ácidos de Brønsted y complejos de oro
El estudio de nuevos sistemas catalíticos presenta gran importancia dentro de la Química actual ya que las reacciones catalíticas son altamente eficaces desde el punto de vista económico y ambiental. Este trabajo tiene por objetivo el estudio de reacciones sobre 3-propargilindoles y …