1. Laboratory for High Performance Ceramics Empa; Swiss Federal Laboratories for Materials Science and Technology; CH-8600 Dübendorf Switzerland
2. Laboratory of Photonics and Interfaces; Institute of Chemical Sciences and Engineering; Swiss Federal Institute of Technology; CH-1015 Lausanne Switzerland
3. Supramolecular Nanomaterials and Interfaces Laboratory; Institute of Materials, Swiss Federal Institute of Technology; CH-1015 Lausanne Switzerland
4. Department of Chemistry and Biochemistry; University of South Carolina; Columbia SC 29208 USA