Search for dissertations about: "photovoltaics"
Showing result 21 - 25 of 135 swedish dissertations containing the word photovoltaics.
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21. Deterministic Silicon Pillar Assemblies and their Photonic Applications
Abstract : It is of paramount importance to our society that the environment, life style, science and amusement flourish together in a balanced way. Some trends in this direction are the increased utilization of renewable energy, like solar photovoltaics; better health care products, for example advanced biosensors; high definition TV or high resolution cameras; and novel scientific tools for better understanding of scientific observations. READ MORE
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22. Leveraging HVPE for III-V/Si Integration and Mid-Infrared Photonic Device Fabrication
Abstract : This work covers the implementation of highly specialized epitaxial techniques enabled by the near-equilibrium hydride vapor-phase epitaxy growth process in III-V/Si integration for Si-based tandem solar cells and photoelectrochemical reactions, quasi phase matching GaP structures on GaAs substrates, and regrowth of InP:Fe on quantum cascade lasing structures.III-V/Si integration is an important topic in several fields of research with a significant one being solar energy harvesting. READ MORE
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23. Sputtering-based processes for thin film chalcogenide solar cells on steel substrates
Abstract : Thin film chalcogenide solar cells are promising photovoltaic technologies. Cu(In,Ga)Se2 (CIGS)-based devices are already produced at industrial scale and record laboratory efficiency surpasses 22 %. Cu2ZnSn(S,Se)4 (CZTS) is an alternative material that is based on earth-abundant elements. READ MORE
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24. Electrical and optical properties of thin film SnO2 and SnO2:F : transparent electrodes in organic photovoltaics
Abstract : .... READ MORE
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25. Growth and optical properties of III-V semiconductor nanowires: : Studies relevant for solar cells
Abstract : 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. READ MORE