1. Department of Materials and Environmental Chemistry Stockholm University 10691 Stockholm Sweden
2. Kavli Institute of Nanoscience Delft University of Technology 2629 HZ Delft The Netherlands
3. Chevron Energy Technology Company Richmond CA 94802 USA
4. Institute of Physics of the Czech Academy of Sciences Na Slovance 2 Prague Czech Republic
5. Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
6. Department of Materials ETH Zurich Vladimir-Prelog-Weg 5 8093 Zurich Switzerland
7. Department of Chemical Engineering University of California, Santa Barbara CA 93106 USA