1. Laboratory of Electrochemistry and PATLAB; National Institute of Research for Electrochemistry and Condensed Matter; 202 Splaiul Independentei Str. 060021 Bucharest-6 Romania
2. Faculty of Applied Chemistry and Material Science; Politehnica University of Bucharest; Bucharest Romania
3. Institute for Environmental Studies; VU University Amsterdam; De Boelelaan 1085 1081 HV Amsterdam the Netherlands