Fabrication of Fog-Harvesting Polymer Films by Nanoimprint Lithography
- Authors
- Huh, Ju-Hyuk; Cho, Joong-Yeon; Choi, Hak-Jong; Choo, Soyoung; Jung, Jae-Eun; Lee, Heon
- Issue Date
- 11월-2014
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Nanoimprint Lithography; Fog Harvesting; Hydrophobic/Hydrophilic
- Citation
- SCIENCE OF ADVANCED MATERIALS, v.6, no.11, pp.2348 - 2351
- Indexed
- SCIE
SCOPUS
- Journal Title
- SCIENCE OF ADVANCED MATERIALS
- Volume
- 6
- Number
- 11
- Start Page
- 2348
- End Page
- 2351
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/96987
- DOI
- 10.1166/sam.2014.2222
- ISSN
- 1947-2935
- Abstract
- A high-efficiency fog-harvesting polymer films were fabricated by hot-embossing and coating with a hydrophobic self-assembled monolayer. This fabrication process is simple and cost-effective, and can be applied to large-area fabrication. Films with various hydrophilic/hydrophobic patterns were made using photomasks which have micro-sized dots, branches and mesh patterns. Contact angles of fog-harvesting films were measured and the fog-harvesting throughput of films was tested to find the effectiveness of patterns for fog-harvesting. In result, the dot-patterned hydrophobic/hydrophilic polymer films with moth-eye nano-structures showed the highest fog-harvesting efficiency. Furthermore, the efficiency of the dot-patterned fog-harvesting polymer film was enhanced by approximately 200% in comparison with that of the bare fog-harvesting polymer film.
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Collections - College of Engineering > Department of Materials Science and Engineering > 1. Journal Articles
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