1. Department of Physical Chemistry University of Chemistry and Technology Prague Technická 5 Prague 6 16628 Czech Republic
2. Department of Inorganic Chemistry University of Chemistry and Technology Prague Technická 5 Prague 6 166 28 Czech Republic
3. Department of Metals and Corrosions Engineering University of Chemistry and Technology, Prague Technická 5 Prague 6 16628 Czech Republic
4. College of Pharmaceutical Science Southwest University Chongqing 400715 China