1. Wetsus, Centre of Excellence for Sustainable Water Technology, 8911 MA Leeuwarden, The Netherlands
2. Optical Sciences Group, Faculty of Science and Technology (TNW), University of Twente, 7522 NB Enschede, The Netherlands
3. Water Technology Research Group, NHL Stenden University of Applied Sciences, 8917 DD Leeuwarden, The Netherlands
4. Institute of Inorganic Chemistry, Leibniz University Hannover, 30167 Hannover, Germany