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Closed Projects

The potential applications of silica nanotubes (SNT) are various including gas storage, drug delivery and catalysis to name only a few. In this project, we focus on the study of silica-based nanotubes (SBNTs) which tend to assemble to 3D mesostructures. The structural and chemical compositions of these networks as well as their internal morphology are investigated by transmission electron microscopy (TEM) techniques with a main focus on electron energy loss spectroscopy (EELS). [more]
While solar cells are becoming more and more widespread, storing the produced energy is difficult. Of the many possible solutions, the splitting of water into H2 and O2 by a photoelectrochemical cell offers an elegant approach. The hydrogen can then easily be stored, transported and burned in a fuel cell. As most features in photoelectrodes are on the nano- or microscale, electron microscopy is very powerful. We study material systems such as Fe2O3 or TiO2 and attempt to identify performance bottlenecks. [more]
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