a
Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz Platz 1, Eggenstein-Leopoldshafen, Germany
E-mail: annie.powell@kit.edu
;
Fax: (+49) 721-608-8142
c
Department of Chemistry, University of Cyprus, Nicosia, Cyprus
d
Instituto de Ciencia de Materiales de Aragon, CSIC-Universidad de Zaragoza, Facultad de Ciencias, Plaza San Fransisco, s/n, Zaragoza, Spain
e
Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, USA
f
Institute of Chemical Engineering and High Temperature Chemical Processes, Foundation for Research and Technology-Hellas (FORTH/ICE-HT), Platani, P.O. Box 1414, Patras, Greece