1. Department of Materials and Life Sciences
2. Faculty of Science and Technology
3. Sophia University
4. Tokyo 102-8554
5. Japan
6. Amakusa Ikeda electric Co
7. 2101 Aizu
8. Matushima
9. Kamiamakusa, Kumamoto
10. PhotoGreen Laboratory
11. Dipartimento di Chimica
12. Università di Pavia
13. Pavia 27100
14. Italy