| 학회 |
한국고분자학회 |
| 학술대회 |
2016년 봄 (04/06 ~ 04/08, 대전컨벤션센터) |
| 권호 |
41권 1호 |
| 발표분야 |
분자전자 부문위원회 I |
| 제목 |
Low-Band gap Polymer-Based Ambipolar Transistors and Inverters Fabricated Using a Flow-coating Method |
| 초록 |
The slow evaporation of a high boiling point(bp) solvent permitted sufficient time for the semiconducting polymer chains to self-organize during the process, thereby improving the film crystallinity and inducing favorable polymer chain orientations for charge transport. We demonstrated the formation of highly crystalline polymer films using a flow-coating method to enable the fabrication of ambipolar transistors and inverters. Importantly, unlike conventional spin-coating methods, the flow-coating method allowed us to use high bp solvents, even on a hydrophobic surface, and minimized the polymer solution waste. The crystalline orientations of the polymers could be tuned depending on the solvent used and the employment of a thermal annealing step. The use of high bp solvents and thermal annealing of the polymer films enhanced the crystalline microstructures in the flow-coated films to increase the carrier mobility in the OTFTs by an order of magnitude compared to the spin-coated films. |
| 저자 |
김민제1, 박재훈1, 강보석2, 정아라3, 양지혜4, 강문성4, 이동윤5, 조길원2, 김봉수3, 조정호1
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| 소속 |
1성균관대, 2포항공과대, 3이화여자대, 4숭실대, 5경북대 |
| 키워드 |
Organic field-effect transistorm; high carrier mobility; different solvent; film crystallinity
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| E-Mail |
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