Invited this month's cover picture are the groups of Professor Michael Mehring and Professor Marc Armbrüster at Chemnitz University of Technology. The cover pictures shows a graffiti displaying a distinctive part of the city center of the town. The artwork is oversprayed with the letters "TUC" (Technische Universität Chemnitz) using an bismuth oxido cluster from solution to obtain a yellow semiconductor coating of bismuth oxide, used to degrade the medicinal drug ethinyl estradiol under visible light irradiation. Read the full text of their Full Paper at https://doi.org/10.1002/open.201900323.
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