| 학회 |
한국고분자학회 |
| 학술대회 |
2008년 봄 (04/10 ~ 04/11, 컨벤션 뷰로(대전)) |
| 권호 |
33권 1호 |
| 발표분야 |
신기능 나노표면, 계면 및 박막 |
| 제목 |
Polymer Nanotubes Using Layer-by-Layer Method with Anodic Aluminium Oxide Templates |
| 초록 |
Nanotubes have attracted scientific interest because of their potential application in electronic, biosensor, and drug delivery system. It is a challenging work to fabricate polymer nanotubes with diameter less than 200 nm using layer-by-layer method on anodic aluminium oxide (AAO) template. Because porous substrates with pore diameter less than 200 nm were immersed into a polymer solution, the entrance of the pores is covered and blocked by polymers due to entropic barrier. So, polymer molecules could not be entered into pores and adsorbed to the inner template walls. In this study, polymer nanotubes composed of poly-4-vinylpyridine and poly acrylicacid were prepared with a dip self-assembly method on the AAO template. To fabricate nanotubes with pore diameters less than 100nm, we controlled the ratio of the polymer dimension to the pore diameters by molecular weight and changed charge density by the solution pH for polymer chains to enter into the pores without pore blocking. |
| 저자 |
조용현1, 차국헌1, 이우2, Ulrich Goesele2
|
| 소속 |
1서울대, 2Max Planck Institute of Microstructure Physics |
| 키워드 |
nanotube; anodic aluminium oxide
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| E-Mail |
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