Water Wetting Observation on a Superhydrophobic Hairy Plant Leaf Using Environmental Scanning Electron Microscopy

Title
Water Wetting Observation on a Superhydrophobic Hairy Plant Leaf Using Environmental Scanning Electron Microscopy
Authors
문명운윤선미고태준오규환남산
Keywords
ESEM; water; Environmental scanning electron microscopy; Wetting; Superhydrophobic plant; Condensation
Issue Date
2016-12
Publisher
Applied Microscopy
Citation
VOL 46, NO 4-205
Abstract
Functional surfaces in nature have been continuously observed because of their ability to adapt to the environment. To this end, methods such as scanning electron microscopy (SEM) have been widely used, and their wetting functions have been characterized via environmental SEM. We investigated the superhydrophobic hairy leaves of Pelargonium tomentosum, i.e., peppermint-scented geranium. Their surface features and wettability were studied at multiple-scales, i.e., macro-, micro-, and sub-micro scales. The surfaces of the investigated leaves showed superhydrophobicity at the macro-, and micro-scales. The wetting or condensing behavior was studied for molecule-size water vapors, which easily adhered to the hairy surface owing to their significantly lower size in comparison to that of the surface.
URI
http://pubs.kist.re.kr/handle/201004/66842
ISSN
2287-5123
Appears in Collections:
KIST Publication > Article
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