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Sear results - Keyword: BESSY II
Green hydrogen: Why do certain catalysts improve in operation? Now a HZB-team headed by Marcel Risch has observed at BESSY II how two simultaneous mechanisms are responsible for this. The catalytic activity of the individual catalysis centres decreases, but the morphology of the catalyst layer also changes.
Lead-free perovskite solar cells - How fluoride additives improve quality Using a clever combination of measurement methods at BESSY II and with NMR at the Humboldt-University Berlin, they were able to show that fluoride prevents the oxidation of tin and leads to a more homogeneous film formation with fewer defects.
Future information technologies: Topological materials for ultrafast spintronics Using time- and spin-resolved methods at BESSY II, the physicists explored how, after optical excitation, the complex interplay in the behavior of excited electrons in the bulk and on the surface results in unusual spin dynamics.