Sökning: "metal-organic vapor phase epitaxy"
Visar resultat 1 - 5 av 25 avhandlingar innehållade orden metal-organic vapor phase epitaxy.
1. Epitaxy of GaAs-based long-wavelength vertical cavity lasers
Sammanfattning : Vertical cavity lasers (VCLs) are of great interest aslow-cost, high-performance light sources for fiber-opticcommunication systems. They have a number of advantages overconventional edge-emitting lasers, including low powerconsumption, efficient fiber coupling and wafer scalemanufacturing/testing. LÄS MER
2. Influence of Seed Particle Material, Preparation, and Dynamics on Nanowire Growth
Sammanfattning : Semiconducting nanowires have attracted scientific attention for more than 20 years due to their potential applications in electronic devices, as sensors, and in solid state lighting. These applications require high quality nanowires to begin with. LÄS MER
3. III-V Nanowire Solar Cells: Growth and Characterization
Sammanfattning : To mitigate dangerous climate change, a transition to a new and sustainable energy system is needed. In this system, solar energy will need to be a key player. Prices of electricity made from solar cells have declined rapidly over the recent decades, making solar energy competitive in more markets. LÄS MER
4. Doping of Semiconductor Nanowires
Sammanfattning : In this thesis, in situ doping during growth of III-V semiconductor nanowires, primarily for photovoltaic applications, is investigated. The nanowires were grown by metalorganic vapor phase epitaxy (MOVPE), with gold seed particles. LÄS MER
5. Growth and optical properties of III-V semiconductor nanowires: : Studies relevant for solar cells
Sammanfattning : This thesis deals with epitaxial growth and optical properties of semiconductor nanowires with implications and insights about materials for solar cells. The chapters leading up to the papers give a broader background and an introduction to the field and include nanowires and their synthesis, semiconductor properties, solar cell operational principles, light interaction with a nanowire array, and optical characterization of such arrays. LÄS MER