1. Department of Chemistry and Center for NanoScience (CeNS); LMU Munich; Butenandtstr. 11 81377 Munich Germany
2. Department of Chemical Engineering; Delft University of Technology; van der Maasweg 9 2629 HZ Delft The Netherlands
3. Experimental Physics VI; Julius Maximillian University of Würzburg; 97074 Würzburg Germany
4. Zentrum für Sonnenenergie- und Wasserstoff-Forschung (ZSW); Baden-Württemberg; Meitnerstr. 1 70563 Stuttgart Germany
5. TOPTICA Photonics AG; Lochhamer Schlag 19 81266 Gräfelfing Germany
6. Bavarian Center for Applied Energy Research; Magdalene-Schoch-Str. 3 97074 Würzburg Germany
7. Physics Department; School of Electrical and Electronic Engineering; Newcastle University; Merz Court Newcastle upon Tyne NE1 7RU UK