Enhanced cyanine solar cell performance upon oxygen doping
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Crystalline silicon (c-Si) homojunction solar cells account for over 90% of the current photovoltaic market. However, further progress of this technology is limited by recombinative losses occurring at their metal-semiconductor contacts. The goal of this t ...
Understanding and forecasting water resources and components of the water cycle require spatially and temporally resolved observations of numerous water-related variables. Such observations are often obtained from wireless networks of automated weather sta ...
Mesoscopic sensitized solar cells are one of the most promising third-generation photovoltaic technologies. Dye-sensitized solar cells (DSCs), imitating the photosynthesis of green plants, were the first photovoltaic devices to utilize a mesoscopic heteroj ...
The tandem photoelectochemical (PEC) cell based on oxide semiconductors for water splitting offers a potentially inexpensive route for solar hydrogen generation. At the heart of the device, a nanostructured photoanode for water oxidation is connected in se ...
Although in principle very promising, photovoltaic technology has so far failed to deliver robust high efficiency modules at affordable prices. Despite considerable research, high efficiency silicon based cells remain expensive, while the more recent organ ...
This thesis analyses three distinct aspects of the economics of water distribution in Switzerland. Climate change and mounting pressure regarding the performance of network industries command an understanding of the drivers of cost and efficiency of water ...
Population growth is in general constrained by food production, which in turn depends on the access to water resources. At a country level, some populations use more water than they control because of their ability to import food and the virtual water requ ...
In the context of liberalization in the public utility sectors, performance criteria have mainly focused on efficiency and effectiveness. However, the realization that restructuring based on the latter criteria has not been consistently successful in the w ...
Alcs. instead of aldehydes were used in the Passerini three-component reaction under catalytic aerobic conditions. Mixing alcs., isocyanides, and carboxylic acids in toluene in the presence of a catalytic amt. of cupric chloride, NaNO2, and TEMPO afforded, ...
Decreasing water availability per capita in more and more countries is the result of bad management over the past centuries. The 'world water crisis', however, is not inevitable. The concept of Integrated Water Resources Management (IWRM) has been promoted ...