1. Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark
2. Department of Materials and Production, Aalborg University, 9220 Aalborg, Denmark
3. Science and Technology Division, Corning Incorporated, Corning, New York 14831, United States
4. Department of Civil and Environmental Engineering, University of California, Los Angeles, California 90095, United States
5. Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore