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dc.contributor.authorChaing, Chi-Juien_US
dc.contributor.authorChen, Jyh-Chienen_US
dc.contributor.authorKuo, Yu-Juen_US
dc.contributor.authorTsao, Hsiang-Yenen_US
dc.contributor.authorWu, Kuan-Yien_US
dc.contributor.authorWang, Chien-Lungen_US
dc.date.accessioned2019-04-03T06:44:30Z-
dc.date.available2019-04-03T06:44:30Z-
dc.date.issued2016-01-01en_US
dc.identifier.issn2046-2069en_US
dc.identifier.urihttp://dx.doi.org/10.1039/c5ra25884gen_US
dc.identifier.urihttp://hdl.handle.net/11536/133957-
dc.description.abstractNovel conjugated polymers, PBPV-TPA, PBPV-CBZ, PBPV-MEH and PBPV-FLO, consisting of trifluoromethyl-substituted biphenyl (2,2'-bis(trifluoromethyl)biphenyl, CF3-BP) as the acceptor with various aromatic donors (triphenylamine TPA, carbazole CBZ, 2-(2-ethylhexyloxy)-5-methoxybenzene MEH and fluorene FLO, respectively) have been successfully synthesized. Their amorphous features, confirmed by wide-angle X-ray scattering, small-angle X-ray scattering and atomic force microscopy, are attributed to lateral side chains on the CBZ, MEH and FLO units, and the propeller geometry of the TPA unit. By integration of CF3-BPs into the polymer backbone, the ambipolarities and well-balanced charge mobilities of OFETs based on these polymers were successfully demonstrated. OFETs based on PBPV-FLO exhibit the highest hole mobility of 0.0152 cm(2) V-1 s(-1) and electron mobility of 0.0120 cm(2) V-1 s(-1). In addition, these OFETs also exhibit annealing-free characteristics and ambient stability. The OFET performance without encapsulation remained nearly unchanged in ambient conditions for up to 90 days. This could be attributed to the enhanced oxidative stability from their relatively deep HOMO energy levels and better moisture resistance from the trifluoromethyl substitution. Considering the ambipolar, annealing-free and ambient-stable properties of these CF3-BP-based amorphous conjugated polymers, the electron-accepting CF3-BP unit can be considered as a promising building block in preparing the easily processable conjugated polymers used in high-stability optoelectronic applications.en_US
dc.language.isoen_USen_US
dc.title2,2 '-Bis(trifluoromethyl)biphenyl as a building block for highly ambient-stable, amorphous organic field-effect transistors with balanced ambipolarityen_US
dc.typeArticleen_US
dc.identifier.doi10.1039/c5ra25884gen_US
dc.identifier.journalRSC ADVANCESen_US
dc.citation.volume6en_US
dc.citation.issue11en_US
dc.citation.spage8628en_US
dc.citation.epage8638en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:000369515900014en_US
dc.citation.woscount3en_US
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