1. Department of Organic Materials Science Graduate School of Organic Materials Science Yamagata University 4-3-16 Jonan Yonezawa Yamagata 992-8510 Japan
2. Research Center for Organic Electronics (ROEL) Yamagata University 4-3-16 Jonan Yonezawa Yamagata 992-8510 Japan
3. Frontier Center for Organic Materials (FROM) Yamagata University 4-3-16 Jonan Yonezawa Yamagata 992-8510 Japan