* Corresponding authors

^a Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, Jena 07743, Germany
E-mail: benjamin.dietzek@leibniz-ipht.de

^b Leibniz Institute of Photonic Technology (Leibniz-IPHT), Research Department Functional Interfaces, Albert-Einstein-Strasse 9, Jena 07745, Germany

^c Institute of Electrochemistry, Ulm University, Albert-Einstein-Allee 47, Ulm 89081, Germany
E-mail: radim.beranek@uni-ulm.de

^d Central Facility for Electron Microscopy, Ulm University, Albert-Einstein-Allee 47, Ulm 89081, Germany

^e Center for Energy and Environmental Chemistry Jena (CEEC Jena), Friedrich Schiller University Jena, Philosophenweg 7a, Jena 07743, Germany