Sökning: "Metal Organic Frameworks"

Visar resultat 1 - 5 av 44 avhandlingar innehållade orden Metal Organic Frameworks.

1. 1. Metal-Organic Frameworks (MOFs) for Heterogeneous Catalysis : Synthesis and Characterization

   Författare :Mikaela Gustafsson; Xiaodong Zou; Pascal Van Der Voort; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; metal-organic frameworks; zeolitic imidazolate frameworks; functionalized linkers; structural transformation; heterogeneous catalysis; Structural Chemistry; strukturkemi;

   Sammanfattning : Metal-organic frameworks (MOFs) are crystalline hybrid materials with interesting chemical and physical properties. This thesis is focused on the synthesis and characterization of different MOFs and their use in heterogeneous catalysis. LÄS MER

3. 2. Lanthanide Metal-Organic Frameworks and Hierarchical Porous Zeolitic Imidazolate Frameworks : Synthesis, Properties, and Applications

   Författare :Hani Nasser Abdelhamid; Xiaodong Zou; Belén Martín-Matute; Banglin Chen; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Metal-organic frameworks; Zeolitic imidazolate frameworks; Lanthanide MOFs; Hierarchical porous ZIFs; Inorganic Chemistry; oorganisk kemi;

   Sammanfattning : This thesis presents the synthesis, properties, and applications of two important classes of metal-organic frameworks (MOFs); lanthanide MOFs and hierarchical porous zeolitic imidazolate frameworks (ZIFs). The materials have been characterized using a wide range of techniques including diffraction, imaging, various spectroscopic techniques, gas sorption, dynamical light scattering (DLS) and thermogravimetric analysis (TGA). LÄS MER

4. 3. Mimicking the Outer Coordination Sphere in [FeFe]-Hydrogenase Active Site Models : From Extended Ligand Design to Metal-Organic Frameworks

   Författare :Sonja Pullen; Sascha Ott; Patrick L. Holland; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; [FeFe]-hydrogenases; outer coordination sphere; model complexes; biomimetic catalysis; artificial photosynthesis; metal-organic frameworks;

   Sammanfattning : Biomimetic catalysis is an important research field, as a better understanding of nature´s powerful toolbox for the conversion of molecules can lead to technological progress. [FeFe]-hydrogenases are very efficient catalysts for hydrogen production. These enzymes play a crucial role in the metabolism of green algae and certain cyanobacteria. LÄS MER

5. 4. Catalytic and Electrocatalytic Transformations with Palladium and Nickel : Scope and mechanistic investigations

   Författare :Alejandro Valiente Sánchez; Belén Martín-Matute; King Kuok (Mimi) Hii; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Organic Chemistry; Heterogeneous Catalysis; Metal-organic frameworks; Nickel; Palladium; Electrocatalysis; Cross-coupling; Hydrogenation; organisk kemi; Organic Chemistry;

   Sammanfattning : The work presented in this thesis is based on methodology development and mechanistic investigations using heterogeneous palladium and nickel catalysts. Following the introduction (Chapter 1), Chapter 2 presents a summary of the synthesis and characterization of the MOF-supported Pd catalysts (Pd @ MOF) that are used in this thesis. LÄS MER

7. 5. Homogeneous and heterogeneous Cp*Ir(III) catalytic systems : Mechanistic studies of redox processes catalyzed by bifunctional iridium complexes, and synthesis of iridium-functionalized MOFs

   Författare :Greco González Miera; Belén Martín-Matute; Matt Clarke; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; catalysis; bifunctional; metal-ligand cooperation; amine alkylation; Hammett; kinetics; acceptorless alcohol dehydrogenation; MOF; transition metal; synchrotron; organisk kemi; Organic Chemistry;

   Sammanfattning : The purpose of this doctoral thesis is to investigate and develop catalytic processes mediated by iridium(III) complexes. By understanding the mechanisms, the weaknesses of the designed catalysts can be identified and be overcome in the following generation. LÄS MER