| 학회 |
한국고분자학회 |
| 학술대회 |
2011년 가을 (10/06 ~ 10/07, 김대중 컨벤션센터) |
| 권호 |
36권 2호 |
| 발표분야 |
유기전자소자용 소재 및 소자(분자전자소재 부문위원회) |
| 제목 |
Facile one-step growth of highly crystalline ordered soluble acene crystal arrays for organic transistors: mechanism of crystal growth during dip-coating |
| 초록 |
The preparation of uniform large-area highly crystalline organic semiconductor thin films that show outstanding carrier mobilities has yet to be fully understood and controlled in the field of organic electronics, including organic field-effect transistors. Quantitative control over the drying speed during dip-coating permits optimization of the organic semiconductor film formation, although the kinetics of crystallization at the airsolutionsubstrate contact line are still not well understood. Here, we report the facile one-step growth of self-aligning, highly crystalline, uniform soluble acene crystal arrays via an optimized dip-coating process. We found that optimized acene crystals grew only when solvent evaporation at the contact line matched the substrate lift rate in the presence of low boiling point solvents, such as dichloromethane or chloroform. Variable-temperature dip-coating experiments were performed to corroborate the conclusions of the crystallization behavior. |
| 저자 |
남수지1, 장재영1, 박종진2, 김종민2, 박찬언3
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| 소속 |
1포항공대, 2삼성종합기술원, 3포항공과대 |
| 키워드 |
organic field-effect transistors; soluble acenes; evaporation-induced self-assembly; low boiling point solvent; dip-coating
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| E-Mail |
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