화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2018년 봄 (04/04 ~ 04/06, 대전컨벤션센터)
권호 43권 1호
발표분야 고분자구조 및 물성
제목 Perpendicular Oriented Nanostructure in Conjugated Block Copolymer Thin Film via Solvo-Microwave annealing
초록 Conjugated polymer-based block copolymers (BCPs) have attracted as a great attention for manufacturing nanoscale organic conducting pathway. Herein, we developed a series of poly(3-dodecylthiophene)-block-poly(l-lactic acid) [P3DDT-b-PLLA] that simultaneously contains conjugated block and removable coil block. We successfully assembled P3DDT-b-PLLA into well-ordered lamellar and cylinders vertically oriented on the silicon oxide substrate through a solvo-microwave annealing. Vertical alignment in the form of BCP morphology was achieved by selecting the appropriate solvent for the neutral polymer / air interface and forming a neutral interaction of the BCP at the polymer / substrate interface. In addition, PLLA block in thin films could be selectively removed using sodium hydroxide (NaOH) solution, followed by a DI-water/MeOH co-solvent washing. Consequently, we could provide strategies for well-defined organic conducting pathway using BCP self-assembly and solution etching process.
저자 한정훈1, 김진성2, 김영권2, 박현정2, Kin Liao3, 김범준2
소속 1KAIST, 2한국과학기술원, 3Khalifa Univ.
키워드 Conjugated polymer; self assembly; perpendicular orientation; solvo - microwave annealing
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