1. Department of Materials Science and Engineering; Tokyo Institute of Technology; Mail Box S8-27, 2-12-1 Ookayama Meguro-ku Tokyo 152-8552 Japan
2. Nagoya Municipal Industrial Research Institute; 3-4-41, Rokuban Atsuta-ku Nagoya 456-0058 Japan
3. National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Ibaraki 305-8565 Japan
4. Toray Industries Inc.; Sonoyama, Otsu Shiga 520-0842 Japan
5. Department of Organic Materials Science; Yamagata University; 4-3-16 Jonan Yonezawa City Yamagata 992-8510 Japan