Sökning: "Nanotechnology"

Visar resultat 16 - 20 av 176 avhandlingar innehållade ordet Nanotechnology.

  1. 16. Nanomaterials for membranes and catalysts

    Författare :Stylianos Nassos; Sven Järås; Carina Lagergren; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nanotechnology; microemulsion; nanoparticles; hydrogen production; CO2 capture; selective catalytic oxidation of ammonia; activity; gasified biomass; Chemical engineering; Kemiteknik;

    Sammanfattning : Nanotechnology is a relatively new research topic that attracts increasing interest from scientists and engineers all over the world, due to its novel applications. The use of nanomaterials has extended to a broad range of applications, for example chemical synthesis, microporous media synthesis and catalytic combustion, contributing to achievement of improved or promising results. LÄS MER

  3. 17. Nanowires for Cell Research

    Författare :Waldemar Hällström; Fasta tillståndets fysik; []
    Nyckelord :Nanotoxicology; Nanowires; Nanotubes; Nerve Cells; Cell Probing; Force Measurements; Nanotechnology; Axonal Guidance; Fysicumarkivet A:2010:Hällström;

    Sammanfattning : This study explores the interaction between living biological cells and semiconductor nanowires. Biological cells are highly complex and dynamic entities, every one of them with individual characteristics and a high degree of internal and external communication. LÄS MER

  4. 18. Mechanical Characterization and Electrochemical Sensor Applications of Zinc Oxide Nanostructures

    Författare :Alimujiang Fulati; Magnus Willander; Qingxiang Qingxiang; Omer Nour; Laszlo Kish; Linköpings universitet; []
    Nyckelord :Nanotechnology; Zinc Oxide; nanorods; nanotubes; nanoporous; buckling; electrochemical sensor; NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : Nanotechnology is emerging to be one of the most important scientific disciplines that physics, chemistry and biology truly overlap with each other. Over the last two decades science and technology have witnessed tremendous improvement in the hope of unveiling the true secrets of the nature in molecular or atomic level. LÄS MER

  5. 19. Heterogeneous Photolytic Synthesis of Nanoparticles

    Författare :Oscar Alm; Klaus Piglmayer; Uppsala universitet; []
    Nyckelord :Chemistry; LCVD; Nanotechnology; Metallocene; Magnetic; Photolysis; OES; tungsten oxide; gas sensing; Kemi;

    Sammanfattning : Nanoparticles of iron, cobalt and tungsten oxide were synthesised by photolytic laser assisted chemical vapour deposition (LCVD). An excimer laser (operating at 193 nm) was used as an excitation source. The LCVD process, was monitored in situ by optical emission spectroscopy (OES). LÄS MER

  7. 20. Luminescence Properties of ZnO Nanostructures and Their Implementation as White Light Emitting Diodes (LEDs)

    Författare :Naveed ul Hassan Alvi; Magnus Willander; Omer Nour; Vladimir V. Mitin; Linköpings universitet; []
    Nyckelord :Nanotechnology; Zinc oxide; nanostructures; luminescence; LEDs; color rendering; NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : In this thesis, luminescence properties of ZnO nanostructures (nanorods, nanotubes, nanowalls and nanoflowers) are investigated by different approaches for possible future application of these nanostructures as white light emitting diodes. ZnO nanostructures were grown by different growth techniques on different p-type substrates. LÄS MER