Searched for: contributor%3A%22Zeman%2C+M.+%28promotor%29%22
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Tian, Y. (author)
Energy and materials have been assigned with great significance for the development of society over the past centuries. For the sake of environmental sustainability, earth-abundant and eco-friendly materials for energy utilization have been gaining increasing attention. Among them, barium disilicide (BaSi2) possesses attractive optical and...
doctoral thesis 2021
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Vismara, R. (author)
The coming years will see humanity facing significant challenges to ensure its continued survival. The threat of global warming to humans and the environment – exacerbated by rapidly growing population and energy demand – requires quick and decisive actions. Among them, increasing the generation of electricity from renewable resources is...
doctoral thesis 2020
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Rezaei, N. (author)
One of the key approaches to slow down and eventually prevent dramatic climate change is direct electricity generation from sunlight. Thin-film copper indium gallium (di)selenide (CIGS) is an excellent candidate for highly efficient and stable solar cells. A tuneable and direct bandgap as well as a high absorption coefficient allow for CIGS...
doctoral thesis 2020
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Narayan, N.S. (author)
Almost a billion people globally lack access to electricity. For various reasons, grid extension is not an immediately viable solution for the un(der-) electrified communities. As most of these electricity-starved regions lie in tropical latitudes, the use of off-grid solar-based solutions like solar home systems (SHS) is a logical approach....
doctoral thesis 2019
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Limodio, G. (author)
Electricity consumption is increased in last twenty years. It is crucial therefore to find alternative, renewable and sustainable sources to mantain this development. Solar energy has proved to be a valid alternative to produce clean energy. The gigantic development of solar energy technology in the last twenty years has lead to a scenario...
doctoral thesis 2019
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Gao, Y. (author)
Current photovoltaic (PV) industrial chain mainly serves the conventional utility-scale PV power stations. Rigid and opaque silicon-based PV modules domain the market so far. As distributed PV capacities expand, PV modules tend to be integrated with existing infrastructures (mostly, buildings). To adapt with the building environment, innovative...
doctoral thesis 2019
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Vega Garita, V.E. (author)
Photovoltaic (PV) solar energy is variable and not completely predictable; therefore, different energy storage devices have been researched. Among the variety of options, electrochemical cells (commonly called batteries) are technically feasible because of their maturity and stability. However, PV-battery systems face multiple challenges such as...
doctoral thesis 2019
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Westra, J.M. (author)
Generation of electricity using renewable energy sources is becoming an integral part of the electrical energy mix. A substantial fraction of the electrical energy is foreseen to be generated by photovoltaic (PV) solar cells that directly convert light into electricity. Large scale application of building integrated PV is envisaged to aid the...
doctoral thesis 2018
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Perez Rodriguez, P. (author)
The current energy scenario requires not only the conversion of renewable energy sources into electrical energy, but also a way to store it to match the demand and supply. In particular, solar energy can be used to stabilize energy conversion and energy supply by converting the energy in other diverse ways. And important possibility are photo...
doctoral thesis 2018
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Chandra Mouli, G.R. (author)
Electric vehicles are only sustainable if the electricity used to charge them comes from renewable sources and not from fossil fuel based power plants. The goal of this PhD thesis is to develop a highly efficient, V2G-enabled smart charging system for electric vehicles at workplaces, that is powered by solar energy. The...
doctoral thesis 2018
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Si, F.T. (author)
The direct utilization of sunlight is a critical energy source in a sustainable future. One of the options is to convert the solar energy into electricity using thin-film silicon-based solar cells (TFSSCs). Solar cells in a triple-junction configuration have exhibited the highest energy conversion efficiencies within the thin-film silicon...
doctoral thesis 2017
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Deligiannis, D. (author)
Silicon heterojunction solar cells (SHJ) are currently one of the most promising solar cell technologies in the world. The SHJ solar cell is based on a crystalline silicon (c-Si) wafer, passivated on both sides with a thin intrinsic hydrogenated amorphous silicon (a-Si:H) layer. Subsequently, p-type and n-type doped layers are deposited on the...
doctoral thesis 2017
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van Sebille, M. (author)
doctoral thesis 2017
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Vasudevan, R.A. (author)
doctoral thesis 2016
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Ingenito, A. (author)
Climate changes due to increase of CO2 emission are becoming a serious issue for this planet. The so called climate crisis has been the main topic of the last United Nations Climate Change Conference (COP 21) . Direct conversion of sunlight into electricity is one of the most promising technology for achieving the COP 21 agreement. Wafer-based...
doctoral thesis 2016
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Theelen, M.J. (author)
Thin film CIGS solar cells and individual layers within these solar cells have been tested in order to assess their long term stability. Alongside with the execution of standard tests, in which elevated temperatures and humidity levels are used, the solar cells have also been exposed to a combination of elevated temperature and humidity and...
doctoral thesis 2015
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Tan, H. (author)
Direct conversion of sunlight into electricity is one of the most promising approaches to provide sufficient renewable energy for humankind. Solar cells are such devices which can efficiently generate electricity from sunlight through the photovoltaic effect. Thin-film silicon solar cells, a type of photovoltaic (PV) devices which deploy the...
doctoral thesis 2015
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Yang, G. (author)
In this thesis we present results of the development of n-i-p thin-film silicon solar cells on randomly textured substrates, aiming for highly efficient micromorph solar cells (i.e., solar cells based on a ?c-Si:H bottom cell and a-Si:H top cell). For the efficiency of n-i-p thin-film silicon solar cells the interfaces between different layers...
doctoral thesis 2015
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Melskens, J. (author)
Since the first report on the fabrication of hydrogenated amorphous silicon (a-Si:H) in 1965, this material has found many applications, for instance in the fabrication of solar cells, sensors and transistors. An especially notable example in the context of this thesis is thin-film silicon solar cells, which have attracted a lot of attention....
doctoral thesis 2015
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Zhang, D. (author)
It has been predicted that due to the population growth the energy demand is increasing faster and faster. It has been well recognized that depleting fossil-fuel resources will not fulfill the energy need of the future world. Not to mention the problem of global warming caused by its combustion, and of energy security as a result of geopolitical...
doctoral thesis 2015
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