1. Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, Bunkyo-cho, Hirosaki 036-8561, Japan
2. JEOL, Ltd., Akishima, Tokyo 195-8558, Japan
3. Ingénierie et Architectures Macromoléculaires, Institut Charles Gerhardt, Ecole Nationale Supérieure de Chimie de Montpellier (UMR 5253-CNRS), 8, rue de l’Ecole Normale, 34296 Montpellier Cedex 1, France
4. Department of Organic Chemical Technology, Burgas Assen Zlatarov University, 1, Boulevard Prof. Yakimov, 8010 Burgas, Bulgaria