화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2016년 가을 (10/19 ~ 10/21, 대전컨벤션센터)
권호 22권 2호, p.2293
발표분야 재료
제목 Regeneration of underwater superhydrophobic hierarchical ZnO/Si surfaces by PEC water splitting
초록 The diffusion of gas pockets into the water reduces lifetime in underwater superhydrophobic surfaces. To overcome this limited lifetime of underwater superhydrophobicity, this study introduces a novel method for regenerating a continuous air interlayer on superhydrophobic ZnO nanorod/Si micropost hierarchical structures (HRs) via the combination of two biomimetic properties of natural leaf: superhydrophobicity from the lotus leaf effect and solar water splitting from photosynthesis. The designed p-n junction in the ZnO/Si HRs allowed for highly stable gas interlayer in water and regeneration of the underwater superhydrophobicity due to the unique ability of the surface to capture and retain a stable gas layer. The developed regenerative method is expected to broaden the range of potential applications involving superhydrophobic surfaces and to create new opportunities for related technologies.
저자 김동형, 용기중
소속 POSTECH
키워드 화공나노소재; Intefaces; Nanofabrication; Wet process
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