Sökning: "colloidal nanoparticles"

Visar resultat 1 - 5 av 76 avhandlingar innehållade orden colloidal nanoparticles.

  1. 1. Colloidal synthesis of metal nanoparticles

    Författare :Anna Pekkari; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; inline quality control; palladium; gold; stabilizers; NO2 reduction; core-shell; colloidal synthesis; copper; reduction kinetics; platinum; nanoparticles; segmented flow; nanocube; flow chemistry;

    Sammanfattning : Metal nanoparticles (NPs) are central in a wide range of industrial areas including catalytic and biomedical applications. Due to their interesting physical properties, the demand of these precious materials is steadily increasing, which has created a need for the development of effective and high-performing NPs. LÄS MER

  3. 2. Particle interactions at the nanoscale : From colloidal processing to self-assembled arrays

    Författare :Bertrand Faure; Lennart Bergström; Albert Philipse; Stockholms universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Colloidal processing; nanoparticles; colloidal forces; titania; iron oxide; Hamaker constant; surface modification; rheology; Monte Carlo simulations; collective properties; superparamagnetism; finite-size effects; Materials Chemistry; materialkemi;

    Sammanfattning : Nanostructured materials are the next generation of high-performance materials, harnessing the novel properties of their nanosized constituents. The controlled assembly of nanosized particles and the design of the optimal nanostructure require a detailed understanding of particle interactions and robust methods to tune them. LÄS MER

  4. 3. Modeling colloidal nanoparticles: From growth to deposition

    Författare :Joakim Löfgren; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; gold; DLVO; thermodynamics; van der Waals; density functional theory; modeling; deposition; dispersive interactions; anisotropic; colloidal nanoparticles; nanorods;

    Sammanfattning : In recent decades metal nanoparticles (NPs) have been the subject of intense research. The interest stems from the NPs physicochemical properties that can be conveniently tuned through, e.g., their size, shape or composition. LÄS MER

  5. 4. Synthesis of Nanoparticles and Organometallic Complexes for Gas Sensing

    Författare :Alicja Stolas; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nanocube; LSPR; alloys; colloidal synthesis; organic synthesis; phthalocyanine complexes; gas sensing.; stabilizers; palladium; nanoparticles; phthalocyanine; nanocomposites; gold;

    Sammanfattning : Currently metal nanoparticles (NPs) are a subject of interest regarding many applications, in particular chemical gas sensing, as the associated environmental issues are of substantial importance. Metal NPs are attractive due to their fascinating optical properties and primarily, localized surface plasmon resonance (LSPR) which strongly depends on size and shape of NPs. LÄS MER

  7. 5. Development of Nanoparticle Sensitized Solar Cells

    Författare :Chunze Yuan; Hans Ågren; Anders Hagfeldt; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; quantum dots; quantum rods; nanoparticles; solar cells; colloidal; type-II; electron extraction; alloy; organic electrolyte; energy relay; upconversion.;

    Sammanfattning : In this thesis, I have been working with the development of nanoparticle sensitized solar cells. In the subarea of quantum dot sensitized solar cells (QDSCs), I have investigated type-II quantum dots (QDs), quantum rods (QRs) and alloy QDs, and developed novel redox couples as electrolytes. LÄS MER