[1] Univ Bordeaux 1, CNRS, UPR 8641, Ctr Rech Paul Pascal, F-33600 Pessac, France
[2] Univ Bordeaux 1, CNRS, ISM, F-33405 Talence, France
[3] Univ Paris 06, CNRS, UMR 7574, Lab Chim Mat Condensee Paris, F-75000 Paris, France
[4] Fac Chem Engn & Environm Protect, Iasi 700050, Romania