Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 36 for “"Photovoltaic technology"”.
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Ultra-thin III-V photovoltaic technology for space applications
Photovoltaic (PV) technology is a mainstream renewable energy source for both terrestrial and extraterrestrial applications. To achieve higher power conversion efficiency and resilience to space radiation, III-V semiconductor material-based PV technology is the leading choice for power generation …
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A review of international and local developments in photovoltaic technology and economics for developing areas
The experiences with photovoltaic systems in developing areas in the Third World, generally, and in South Africa, in particular, are assessed with respect to technical and economic performance. Literature on international developments in photovoltaic technology and markets and on applications in …
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Photovoltaic Systems, the experience curve, and learning by doing : who is learning and what are they doing?
The photovoltaics industry has been growing at extraordinary rates over the past ten years as a result of increased government support for the technology. Yet supporting the technology is expensive and there is uncertainty over the future rate of technological progress for photovoltaics. Experience …
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ORGANIC PHOTOVOLTAIC DEVICE OPTIMIZATION
Polymer based organic photovoltaic (OPV) is making great progress on solar cell performance in the past decade. As a potential alternative to conventional expensive photovoltaic technology, the ability of processing in solution enables OPV technology to be more and more popular in research area as …
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Sky Above, Earth Below: Design of the Sun School for Environmental Studies
… involving the integration of a building’s site, photovoltaic technology, daylighting, and natural ventilation, how can Architecture encourage a building to teach about itself? How can a building respond to its occupants, and to sun, wind, daylight and temperature? How can Architecture encourage …
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Nanocrystal Synthesis and Thin Film Formation for Earth Abundant Photovoltaics
… elements represents a scalable and sustainable photovoltaic technology with the potential to meet the global demand for electricity. Solar cells with Cu2ZnSn(S,Se)¬4¬ (CZTSSe) absorber layers are of particular interest due to the high absorption coefficient of CZTSSe, its band gap in the ideal …
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Self-standing sub-cellular sized PhotoVoltaic devices for minimally-invasive and precise Neuronal Stimulation
… designing for the first time sub-cellular sized Photovoltaic devices which can do spatio-temporally precise neuron stimulation. These devices are based on thin-film Organic Photovoltaic technology. The stimulating devices are roughly 250 nm in thickness and a few micrometers in size ( 5um in …
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Hollow cathode sputtering system - installation, operation and theoretical background
… (HRT) layers which are used for thin film photovoltaic technology, particularly cadmium telluride based and copper indium gallium selenide based solar cells. A theoretical background of the thin film technology and a comparison of different deposition methods in regards to the sputtering …
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Using Semantic Web Technologies to Recommend Sustainable Building Technology Products
… increase in the uptake of sustainable building technology products and photovoltaic (PV) systems technology. However, despite the wide adoption of PV globally as a substitute to the grid, it faces information-related challenges that hinder its adoption. The enormous volumes of information …
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Computational Studies of PbS Quantum Dots
A third-generation photovoltaic technology, PbS quantum dot solar cells boast tunable, infrared-compatible bandgaps, air stability and scalable production. Their unfortunately limited photovoltaic efficiency, a result of low carrier lifetime, has been tentatively ascribed to polydispersity, fusing, …
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Characterization of tellurium back contact layer for CdTe thin film devices
Cadmium Telluride (CdTe) thin film photovoltaic technology has shown favorable progress due to inexpensive and efficient processing techniques. However, efficiencies have yet to reach the overall projected CdTe device efficiency, with the back contact being a main source of CdTe performance …
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Performance evaluation of photovoltaic and diesel electricity generation applications in the Kruger National Park
… technical and economic performance of photovoltaic and diesel gensets as off-grid electrical power supply systems. The provision of reliable energy supply infrastructures has been identified as a key pre-requisite for social and economic development. The convenience and versatility of …
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Cost-effective allocation of public funding to promote the commercialization of renewable energy technology
… ensure the provision of these technologies. Both technology-push and demand-pull policies are necessary to accelerate commercialization of renewable energy technologies, but the optimal balance of these strategies is not understood. This thesis investigates the most cost-effective allocation of …
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Understanding the properties of the interface between graphene and transition metal oxide thin films using first principle approaches
… etc. These metal oxides are used as thin lms in photovoltaic technology to harness energy. The nal composite embodies both the transport properties of the former and the semiconducting properties of the latter species. This work describes an analysis of the electronic and optical properties of …
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Effect of Alkali on the Efficiency and Reliability of Cu(In,Ga)Se2 Solar Cells
… is one key parameter for the success of a photovoltaic technology but so is its long-term stability. In this thesis, the relationship between the performance of alkali treated Cu(In,Ga)Se<sub>2</sub> solar cells and their physicochemical, electronic and structural properties are explored …
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Optical properties of black silicon - an analysis
… be the principal semiconducting material used in photovoltaic technology for the manufacture of solar cells. Silicon, an indirect band gap semiconducting material, has a reflectance of about 30% in the visible range of wavelengths. Standard Silicon solar cells are not entirely useful in the …
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An Interactive Menu-Driven Design Tool For Stand-Alone Photovoltaic Systems
The use of Photovoltaic (PV) systems to meet energy demand in rural or remote regions of the world is growing at a very fast pace. Rural electrification projects in developing countries have relied primarily on subsidies from both the government and the national utility. Since using the national …
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The use of small photovoltaic systems for the electrification of off-grid homes
… and social appropriateness of small stand-alone photovoltaic (PV) systems for meeting minimal electrical requirements in low-income off-grid households. A comprehensive review of the literature on photovoltaic technology was undertaken to identify key theoretical parameters and issues, and also …
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Harvesting photon energy : ultra-thin crystalline silicon solar cell & near-field thermoradiative cells
… two types of energy conversion technologies, photovoltaic solar cells based on crystalline silicon thin films and thermal-radiative cells using terrestrial heat sources, focusing on managing photons but also concurrently considering electron transport and entropy generation. Photovoltaic …
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Characterization and modeling of CdCl2 treated CdTe/CdS thin-film solar cells
CdTe photovoltaic technology has the potential to become a leading energy producer in the coming decades. Its physical properties are well suited for photovoltaic energy conversion. A key processing step in the production of high efficiency CdTe/CdS solar cells is a post-CdTe deposition heat …
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