1. Fibre and Colouration Technology Research Group; Department of Textiles; Faculty of Engineering and Architecture; Ghent University; Technologiepark 907 9052 Ghent Belgium
2. Supramolecular Chemistry Group; Department of Organic and Macromolecular Chemistry; Faculty of Sciences; Ghent University; Krijgslaan 281 S4 9000 Ghent Belgium
3. Sol-gel Centre for Research on Inorganic Powders and Thin Films Synthesis; Department of Inorganic and Physical Chemistry; Faculty of Sciences; Ghent University; Krijgslaan 281 S3 9000 Ghent Belgium