Sökning: "Hard X-Ray Photoelectron Spectroscopy"

Visar resultat 1 - 5 av 19 avhandlingar innehållade orden Hard X-Ray Photoelectron Spectroscopy.

  1. 1. Electronic Structures and Energy Level Alignment in Mesoscopic Solar Cells A Hard and Soft X-ray Photoelectron Spectroscopy Study

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Rebecka Lindblad; Uppsala universitet.; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Photoelectron spectroscopy; HAXPES; PES; XPS; electronic structure; energy level alignment; mesoscopic solar cell; hole conductor; perovskite; dye-sensitized; semiconductor-sensitized; TiO2; ZnO; spiro-OMeTAD; P3HT; DEH; metal sulfide; Li-TFSI; Co III complex; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Sammanfattning : Photoelectron spectroscopy is an experimental method to study the electronic structure in matter. In this thesis, a combination of soft and hard X-ray based photoelectron spectroscopy has been used to obtain atomic level understanding of electronic structures and energy level alignments in mesoscopic solar cells. LÄS MER

  2. 2. Techniques and Application of Electron Spectroscopy Based on Novel X-ray Sources

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Stefan Plogmaker; Uppsala universitet.; [2012]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; High Harmonic Generation HHG; HELIOS; X-ray Beam Chopper; Dye-sensitized Solar Cell; Ultra High Vacuum UHV; Photoelectron Spectroscopy; Pump-Probe; XUV; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Sammanfattning : The curiosity of researchers to find novel characteristics and properties of matter constantly pushes for the development of instrumentation based on X-radiation. I present in this thesis techniques for electron spectroscopy based on developments of X-ray sources both in time structure and energy. LÄS MER

  3. 3. Surface-Induced Modification of Supported Late Transition Metal Complexes

    Detta är en avhandling från Division of Synchrotron Radiation Research, Department of Physics, Faculty of Science, Lund University

    Författare :Olesia Snezhkova; Lunds universitet.; Lund University.; [2016]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; N-heterocyclic carbene palladium complexes; X-ray photoelectron spectroscopy; electron charge transfer; iron phthalocyanine; catalysis; X-ray absorption spectroscopy;

    Sammanfattning : Popular Abstract in English In our current world, the exponential growth in demand for smaller and faster devices leads to the fact that we will eventually face the problem that traditional semiconductor technologies will reach their limitation in terms of size and speed. Humanity's consciousness to tackle the global ecological issues in the next decade, will demand the substitution of all non-reusable and thus polluting industrial catalysts to environmentally-friendly and reusable ones. LÄS MER

  4. 4. Theoretical studies of X-ray induced nuclear dynamics

    Detta är en avhandling från Stockholm : KTH

    Författare :Ivaylo Minkov; KTH.; [2005]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Theoretical physics; Teoretisk fysik; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik;

    Sammanfattning : The present thesis is a theoretical study of several x-ray spectroscopies { x-ray absorption, xray photoelectron, radiative and non-radiative resonant Raman scattering spectroscopy. The main focus point is investigating the role of the nuclear dynamics in molecules (naphthalene, biphenyl, the water dimer, HCl) on these spectra. LÄS MER

  5. 5. Synthesis and Characterisation of Ultra Thin Film Oxides for Energy Applications

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Mattis Fondell; Uppsala universitet.; [2014]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Atomic Layer Deposition; Iron oxides; Hematite; Solar Water Splitting; Hard X-Ray Photoelectron Spectroscopy;

    Sammanfattning : This thesis describes studies of materials which can be exploited for hydrogen production from water and sunlight. The materials investigated are maghemite (γ-Fe2O3), magnetite (Fe3O4) and especially hematite (α-Fe2O3), which is an iron oxide with most promising properties in this field. LÄS MER