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In my research group, we combine inorganic synthetic approaches with thorough physicochemical characterization to develop new materials for solar energy conversion.
The supply of modern society with clean and sustainable energy is one of the priority issues for scientists nowadays. Therefore, solar energy conversion to generate electricity or produce solar fuels is our major research focus. Hydrogen e.g. from water splitting is often discussed as future fuel as alternative to fossil fuels, especially with respect to the environmental issues of actual hydrogen production. Thus, both sunlight and water represent cheap and renewable energy sources. Modern chemical synthesis techniques provide us the platform to prepare new nanostructured materials with tailored properties, optimized surface area and light absorption, and tuned particle size and shape. Following synthesis and characterization, we investigate the catalytic properties of our new materials in photocatalytic and photoelectrochemcial reactions, including wastewater treatment, Hydrogen generation and water splitting, or use them as building blocks to prepare composite materials.
Reprinted with permission from ACS Appl. Energy Mater. 1 (2018) 5787. Copyright 2018 American Chemical Society.
Picture of the month – February 2019
Is it possible to estimate whether an increase in active surface area of a semiconductor material goes in line with a respective increase in photocatalytic activity? We propose a new model to evaluate this correlation.
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