a
KU Leuven, Department of Chemistry, Celestijnenlaan 200F - bus 2404, B-3001 Leuven, Belgium
E-mail: koen.binnemans@chem.kuleuven.be
;
Fax: +3216327992
;
Tel: +3216327446
b
KU Leuven, Department of Metallurgy and Materials Engineering, Kasteelpark Arenberg 44 - bus 2450, B-3001 Leuven, Belgium
c
Ghent University, Department of Inorganic and Physical Chemistry, Krijgslaan 281 - S3, B-9000 Gent, Belgium