Sökning: "photocatalysis"

Visar resultat 21 - 25 av 59 avhandlingar innehållade ordet photocatalysis.

  1. 21. Photocatalytic TiO2 thin films for air cleaning : Effect of facet orientation, chemical functionalization, and reaction conditions

    Författare :Bozhidar Stefanov; Lars Österlund; Gunnar Niklasson; Claes-Göran Granqvist; Peter Christian Kjærgaard Vesborg; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; titanium dioxide; photocatalysis; thin films; surface functionallization; acetaldehyde; indoor air cleaning; sputter deposition; crystallographic modifications; preferential orientation; self-cleaning surfaces; Teknisk fysik med inriktning mot fasta tillståndets fysik; Engineering Science with specialization in Solid State Physics;

    Sammanfattning : Poor indoor air quality is a source of adverse health effects. TiO2 coatings deposited on well-illuminated surfaces, such as window panes, can be used to fully mineralize indoor air pollutants by photocatalysis. LÄS MER

  3. 22. Self-Assembling Surfactant Aggregates for Synthesis of Nanomaterials

    Författare :Martin Andersson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; self-assembly; Ag; photocatalysis; nanoparticles; surfactants; liquid crystals; microemulsions; rutile; mesoporous materials; CaCO3; anatase; TiO2;

    Sammanfattning : The main objective of this thesis was to study how surfactant assemblies can be used as templates to form inorganic nanomaterials. Both water-in-oil microemulsions and liquid crystalline phases have been used as structure directing agents. LÄS MER

  4. 23. Illuminating Benzothiadiazole : Mechanistic Insights into its Role in Fuel-Forming Reactions

    Författare :Martin Axelsson; Haining Tian; Leif Hammarström; Ksenjia Glusac; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Photocatalysis; Electrocatalysis; Renewable Energy; Mechanistic Studies; Cyclic Voltammetry; Benzothiadiazole;

    Sammanfattning : Development and understanding of catalytic reactions involved in fuel formation are crucial to be able to make the energy transition into a sustainable future. One intriguing type of catalyst for these types of reactions is organic material catalysts, which combine some of the tunable nature of molecular catalysts with the scalability and robust nature of material catalysts. LÄS MER

  5. 24. Materials Modelling for Energy Harvesting : From Conversion to Application through Storage

    Författare :Amitava Banerjee; Rajeev Ahuja; Gunnar Niklasson; Sudip Chakraborty; Tejs Vegge; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Materials Modelling; DFT; Energy Materials; Photocatalysis; HER and OER; Hybrid Perovskite Solar Cells; Stability; Thermodynamics and Kinetics in Na-ion battery; Organic Crystal Battery;

    Sammanfattning : In this Ph.D. thesis, ab initio density functional theory along with molecular dynamics and global optimization methods are used to unveil and understand the structures and properties of energy relevant materials. In this connection, the following applications are considered: i. LÄS MER

  7. 25. Synthetic and Mechanistic Studies with Iodine(III) Reagents

    Författare :Ester Maria Di Tommaso; Berit Olofsson; Marcos Suero; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; hypervalent iodine chemistry; organic synthesis; mechanistic studies; DFT; photocatalysis; Organic Chemistry; organisk kemi;

    Sammanfattning : This thesis describes the development of metal-free transformations and mechanistic studies on the reactivity of two classes of hypervalent iodine reagents: diaryliodonium salts and vinylbenziodoxolones (VBX). Recently, they have been recognized as valuable synthetic reagents with broad applicability in organic synthesis. LÄS MER