Synthesis of poly(dithienogermole-2,6-diyl)s
Literature Information
Publication Date
2013-03-26
DOI
10.1039/C3PY00253E
Impact Factor
5.582
Authors
Joji Ohshita, Masayuki Miyazaki, Daiki Tanaka, Yasushi Morihara, Yuki Fujita, Yoshihito Kunugi
View Original
Abstract
Poly[4,4-di(2-ethylhexyl)dithienogermole-2,6-diyl] was prepared by palladium-catalyzed Stille homocoupling of 6-bromo-2-(trimethylstannyl)-4,4-di(2-ethylhexyl)dithienogermole, while a similar cross-coupling of 2,6-dibromo-4,4-dioctyldithienogermole with 2,6-bis(trimethylstannyl)-4,4-dioctyldithienogermole provided poly(4,4-dioctyldithienogermole-2,6-diyl). These polymers showed broad absorption bands in the UV-vis spectra, which were red-shifted from that reported previously for the silicon analogue poly(dithienosilole-2,6-diyl). Potential applications of the polymers as active materials for bulk heterojunction-type polymer solar cells and thin film transistors were explored.
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Polymer Chemistry
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