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초발수성 식물표면에 존재하는 마이크로/나노구조 복제를 위한 전기장을 이용한 나노임프린팅 방법
전호준(HoJun Jeon),진규현(Gyuhyon Jin),윤현(Hyeon Yoon),김근형(GeunHyung Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
The technologies to fabricate micro/nano-patterned surface, such as electron beam lithography and nanoimprinting techniques, have been investigated several years. However, the nano-imprinting technology requiring high pressure during the process is not affordable to replicate micro/nano-surface of plant leaf due to the low stiffness of the leaf. In this study, we researched new technology to produce the hydrophobic nature of plant leaves on the surface of polydimethylsiloxane (PDMS). The micro/nano-patterned PDMS was fabricated by means of field-aided nano-imprint lithography (FA-NIL) technique. By varying the processing conditions of FA-NIT, we could obtain an optimized processing condition to attain hydrophobic surface of lotus leaf. The surface of the replicated PDMS was characterized using a scanning electron microscope (SEM) and surface roughness apparatus. We find that FA-NIL might be a good method to generate the soft micro/nano size structures, plant leaf.