Sökning: "InP-GaInP"
Visar resultat 1 - 5 av 7 avhandlingar innehållade ordet InP-GaInP.
1. Spectroscopic studies of III-V semiconductors in two, one and zero dimensions
Sammanfattning : In this thesis, spectroscopic studies of quantum wells (QWs), quantum wires (QWRs) and quantum dots (QDs) in III-V semiconductors are presented. The electronic structure of these low-dimensional structures have been studied by absorption, photocurrent, electroreflectance, photoluminescence (PL), and photoluminescence excitation (PLE) spectroscopy. LÄS MER
2. Cathodoluminescence Studies of Quantum Structures and III-V nitrides
Sammanfattning : Characterization of low-dimensional semiconductor structures is a challenging task. The thesis is based on experiments, using cathodoluminescence (CL) as a tool for characterization. The high spatial resolution and the possibility of spectroscopy of small structures make CL one of the most powerful techniques for these types of investigations. LÄS MER
3. InP/GaInP Nanowires for Tandem Junction Solar Cells : Growth, Processing, and Characterization
Sammanfattning : Semiconductor nanowire solar cells have achieved comparable efficiency to their planar counterparts with substantial reduction of material consumption. Tandem geometry is a path towards even higher efficiency. However, extensive studies are needed to reach this goal. LÄS MER
4. MOVPE Growth and Characterization of Low-Dimensional III-V Semiconductor Structures
Sammanfattning : Metalorganic vapour phase epitaxy is used for growth of low-dimensional III-V semiconductor structures. The roughness of heterointerfaces in GaAs/GaInP quantum well structures is studied by photoluminescence emission from extremely narrow quantum wells. LÄS MER
5. Densities and Sizes of Self-assembled Quantum Dots Grown by MOVPE
Sammanfattning : This thesis is based on results concerning the formation of semiconductor self-assembled quantum dots. The quantum dots have been grown by metal organic vapour phase epitaxy in the Stranski-Krastanow growth mode. LÄS MER