1. Institute of Photoelectrochemistry, Helmholtz-Zentrum Hereon GmbH, Max-Planck-Str. 1, D-21502 Geesthacht, Germany
2. National Nanolaboratory, Al-Farabi Kazakh National University, Almaty, 050000, Kazakhstan
3. Optotransmitter-Umweltschutz-Technologie e.V., Köpenicker Str. 325b, 12555 Berlin, Germany