Sökning: "Nanowire solar cell"
Visar resultat 1 - 5 av 18 avhandlingar innehållade orden Nanowire solar cell.
1. 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
2. Growth of Semiconductor Nanowires for Solar Cell Applications
Sammanfattning : Nanowires have the ability to absorb light much more efficient than conventional thin film layers. This makes them candidates for the development of new types of solar cells that have higher efficiency and lower material usage than current technologies. LÄS MER
3. Focused Ion Beam Preparation and Transmission Electron Microscopy of Materials for Energy Applications
Sammanfattning : Throughout this thesis, samples of various materials with applications in energy converting devices have been prepared by focused ion beam machining and investigated by transmission electron microscopy. Energy converting devices can be solar cells or light emitting diodes, which turn light into electricity or vice versa. LÄS MER
4. Single Junction and Tandem Junction Nanowire Solar Cells
Sammanfattning : Solar cells based on silicon are successfully harvesting solar energy in established and increasingly widespread solar panels. However, their efficiency is limited by the Shockley–Queisser limit. For certain applications where high efficiency is the key figure of merit, the use of multi-junction solar cells is desirable. LÄS MER
5. III-V Nanowire Array Solar Cells: Optical and Electrical Modelling
Sammanfattning : This thesis describes optical and electrical modelling of vertically oriented III-V semiconductor nanowire array solar cells (NWASCs).In the optical studies, three-dimensional electromagnetic modelling was carried out with the scattering matrix method and the finite element method. LÄS MER