Search for dissertations about: "homogen katalys"

Found 4 swedish dissertations containing the words homogen katalys.

  2. 1. Secondary Interactions in Symmetric Double Bond Formation Catalysed by Molecular Ruthenium Complexes

    Author : Oleksandr Kravchenko; Licheng Sun; Roger Alberto; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; homogeneous catalysis; transition metal catalysis; ruthenium catalyst; olefin metathesis; dynamic covalent chemistry; water oxidation; solar fuels; Ru-bda; secondary interactions; hydrophobic interactions; π-π stacking; homogen katalys; övergångsmetallkatalys; rutheniumkatalysator; olefinmetates; dynamisk kovalent kemi; vattenoxidation; solbränslen; Ru-bda; sekundära interaktioner; hydrofoba interaktioner; π-π stapling; Kemi; Chemistry;

    Abstract : Chemistry has a tremendous impact on everyone’s life, although society does not always realize its power and ubiquity. In recent years, improved economy and sustainability of chemical processes has become a worldwide priority. READ MORE

  4. 2. A Catalytic and Mechanistic Investigation of Palladium-Phosphine Catalysed Aqueous Hydroxycarbonylation. Steric and Electronic Properties of the Ligands

    Author : Adriana Ionescu; Kemiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Oorganisk kemi; Inorganic chemistry; Naturvetenskap; Natural science; Isomerisation of hydroxyalkenes; Mechanism; Regioselectivity; Steric and electronic properties; Hydroxycarbonylation of styrene; Water-soluble phosphines; Palladium; Aqueous catalysis;

    Abstract : The steric and electronic properties of eight water-soluble phosphines (1-8) were investigated by different methods. Phosphines 1-6 were tested as ligands in palladium catalysed hydroxycarbonylation of styrene. READ MORE

  5. 3. Computational Studies on Homogeneous Water Oxidation Catalysts

    Author : Ge Li; Mårten S. G. Ahlquist; Moyses Araujo; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Computational studies; homogeneous; water oxidation catalysts; ruthenium; iron; mechanisms; Teoretisk kemi och biologi; Theoretical Chemistry and Biology;

    Abstract : To combat the increasing energy demand and climate change, artificial photosynthesis is a promising approach to producing renewables by storing energy into chemicals and fuels. Water oxidation, responsible for offering electrons and protons to the reduction reactions, suffers from slow kinetics. READ MORE

  6. 4. Above and Below Graphene: Nanoparticle Chemistry and Interface Reactions

    Author : Elin Grånäs; Synkrotronljusfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Graphene; Scanning tunneling microscopy; X-ray photoelectron spectroscopy; Adsorption; Nanoparticles; Ir 111 ; Surface science;

    Abstract : The work presented in this dissertation addresses two main topics: (i) graphene supported nanoparticles and their stability upon gas adsorption, and (ii) intercalation of different molecules under graphene and their reactions under graphene. From an interplay of X-ray photoelectron spectroscopy, scanning tunneling microscopy, low energy electron diffraction, and density functional theory an atomic scale understanding of both the nanoparticles and the intercalated structures is obtained. READ MORE