Search Results - "Vogt, Ulrich"
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Solar Thermochemical CO2 Splitting Utilizing a Reticulated Porous Ceria Redox System
Published in Energy & fuels (15-11-2012)“…A solar cavity-receiver containing a reticulated porous ceramic (RPC) foam made of pure CeO2 has been experimentally investigated for CO2 splitting via…”
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Developing a Cloud-Based Air Quality Monitoring Platform Using Low-Cost Sensors
Published in Sensors (Basel, Switzerland) (01-02-2024)“…Conventional air quality monitoring has been traditionally carried out in a few fixed places with expensive measuring equipment. This results in sparse spatial…”
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3
Investigating a Low-Cost Dryer Designed for Low-Cost PM Sensors Measuring Ambient Air Quality
Published in Sensors (Basel, Switzerland) (26-01-2021)“…Air pollution in urban areas is a huge concern that demands an efficient air quality control to ensure health quality standards. The hotspots can be located by…”
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4
Composite membranes for alkaline electrolysis based on polysulfone and mineral fillers
Published in Journal of power sources (30-09-2015)“…Mineral-based membranes for high temperature alkaline electrolysis were developed by a phase inversion process with polysulfone as binder. The long-term…”
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Effect of Relative Humidity and Air Temperature on the Results Obtained from Low-Cost Gas Sensors for Ambient Air Quality Measurements
Published in Sensors (Basel, Switzerland) (10-09-2020)“…Using low-cost gas sensors for air quality monitoring promises cost effective and convenient measurement systems. Nevertheless, the results obtained have a…”
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Perfect X-ray focusing via fitting corrective glasses to aberrated optics
Published in Nature communications (01-03-2017)“…Due to their short wavelength, X-rays can in principle be focused down to a few nanometres and below. At the same time, it is this short wavelength that puts…”
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The benzene polycarboxylic acid (BPCA) pattern of wood pyrolyzed between 200 °C and 1000 °C
Published in Organic geochemistry (01-10-2010)“…Environmental charcoals represent a poorly defined part of the black carbon (BC) combustion continuum and may differ widely in their chemical and physical…”
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Feasibility Study on the Use of NO2 and PM2.5 Sensors for Exposure Assessment and Indoor Source Apportionment at Fixed Locations
Published in Sensors (Basel, Switzerland) (05-09-2024)“…Recent advances in sensor technology for air pollution monitoring open new possibilities in the field of environmental epidemiology. The low spatial resolution…”
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Calibration Method for Particulate Matter Low-Cost Sensors Used in Ambient Air Quality Monitoring and Research
Published in Sensors (Basel, Switzerland) (08-06-2021)“…Over the last decade, manufacturers have come forth with cost-effective sensors for measuring ambient and indoor particulate matter concentration. What these…”
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10
Optimization of Metal-Assisted Chemical Etching for Deep Silicon Nanostructures
Published in Nanomaterials (Basel, Switzerland) (22-10-2021)“…High-aspect ratio silicon (Si) nanostructures are important for many applications. Metal-assisted chemical etching (MACE) is a wet-chemical method used for the…”
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11
Lab-Scale Alkaline Water Electrolyzer for Bridging Material Fundamentals with Realistic Operation
Published in ACS sustainable chemistry & engineering (02-04-2018)“…Hydrogen produced by water electrolysis with renewable electricity is a reliable, affordable and environmental friendly energy carrier for future energy supply…”
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Single Layer Lift-Off of CSAR62 for Dense Nanostructured Patterns
Published in Micromachines (Basel) (29-03-2023)“…Lift-off processing is a common method of pattern transfer for different nanofabrication applications. With the emergence of chemically amplified and…”
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Contribution of Airplane Engine Emissions on the Local Air Quality around Stuttgart Airport during and after COVID-19 Lockdown Measures
Published in Atmosphere (01-12-2022)“…Air quality investigations at airports have shown that aircrafts cause a significant increase in air pollution at and around the vicinity of the airport, which…”
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Compilation of mechanical properties for the structural analysis of solid oxide fuel cell stacks. Constitutive materials of anode-supported cells
Published in Ceramics international (01-07-2012)“…The mechanical failure of one cell is sufficient to lead to the end of service of a solid oxide fuel cell (SOFC) stack. Therefore, there is growing interest in…”
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Reaction control of metal-assisted chemical etching for silicon-based zone plate nanostructures
Published in RSC advances (01-01-2018)“…Metal-assisted chemical etching (MACE) reaction parameters were investigated for the fabrication of specially designed silicon-based X-ray zone plate…”
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Three-Dimensional Observation of Atmospheric Processes in Cities
Published in Meteorologische Zeitschrift (Berlin, Germany : 1992) (01-01-2019)“…To cope with weather and climate-induced impacts as well as with air pollution in cities, the German research programme “Urban Climate Under Change” ([UC]2)…”
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Comparing metal assisted chemical etching of N and P-type silicon nanostructures
Published in Micro and Nano Engineering (01-06-2023)“…[Display omitted] •For Metal-assisted chemical etching (MACE) of nanostructures, P and N-type silicon are viable options.•Resulting porosity is found to be…”
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Full spatial characterization of a nanofocused x-ray free-electron laser beam by ptychographic imaging
Published in Scientific reports (09-04-2013)“…The emergence of hard X-ray free electron lasers (XFELs) enables new insights into many fields of science. These new sources provide short, highly intense and…”
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Miniaturized Sulfite-Based Gold Bath for Controlled Electroplating of Zone Plate Nanostructures
Published in Micromachines (Basel) (17-03-2022)“…X-ray zone plates made from gold are common optical components used in X-ray imaging experiments. These nanostructures are normally fabricated using a…”
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Application of the Urban Climate Model PALM-4U to Investigate the Effects of the Diesel Traffic Ban on Air Quality in Stuttgart
Published in Atmosphere (01-01-2024)“…The air pollution situation in the German city of Stuttgart is very important, as high pollutant concentrations are measured here compared to other German…”
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