@article{CTT100777297, author = {Washizu, Takashi and Martin Vacha and Y. Pei and J. Ha and K. Tani and K. Ogino and H. Sato}, title = {Prenaration of polymers having hole and electron transport units by Friedel-Crafts reaction}, journal = {Journal of Polymer Science Part a-Polymer Chemistry}, year = 2007, } @article{CTT100777323, author = {Yuanfu, Pei and Martin Vacha and Y. Pei and M. Otake and H. Sato}, title = {Synthesis and characterization of a novel electroluminescent polymer based on phenoxazine and fluorene derivatives}, journal = {Reactive & Functional Polymers}, year = 2007, }