| 학회 |
한국고분자학회 |
| 학술대회 |
2015년 봄 (04/08 ~ 04/10, 대전컨벤션센터) |
| 권호 |
40권 1호 |
| 발표분야 |
분자전자 부문위원회 II |
| 제목 |
A Timely Synthetic Tailoring of Biaxially Extended Thienylenevinylene polymer analogs for Systematic Investigation on Field-Effect Transistors |
| 초록 |
With the growing interest in the superior charge transport in the (E)-2-(2-(thiophen-2-yl)-vinyl)thiophene (TVT)-based polymer, an forward step is to provide a comprehensive understanding of the structure-property relationships of their polymer analogs. Here, a set of DPP-TVT-n polymers are reported, involving different thiophene content in the diketopyrrolopyrrole(DPP)-TVT repeating units, where n is the number of thiophene spacer units. Their OFET characteristics demonstrate ambipolar behavior; with no spacer, the charge transports are observed nearly balanced, but with the electron-donating spacer, the majority of the properties changed from ambipolar to p-type dominant with enhanced hole mobility. Although both the lamellar d-spacings and π-stacking distances decreased with the number of spacers, DPP-TVT-1 shows the highest hole mobility due to the unique structural conformations derived from its smaller paracrystalline distortion parameter and narrower plane distribution. |
| 저자 |
강소희1, 양창덕2, 유도혁2, Benjamin Nketia-Yawson3, 강석주3, 안형주4, 신태주4, 노용영3
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| 소속 |
1UNIST, 2울산과학기술대, 3동국대, 4포항공과대 |
| 키워드 |
structure-property relationships; thiophene spacer; enhanced hole mobility; unique structural conformations
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| E-Mail |
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