C. God,a B. Bitschnau,b K. Kapper,a C. Lenardt,a M. Schmuck,*a F. Mautnerb and S. Kollera

a VARTA Micro Innovation GmbH, Stremayrgasse 9, 8010 Graz, Austria
b Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9, 8010 Graz, Austria
* Corresponding authors

online