Hydrophilic dots on hydrophobic nanopatterned surfaces as a flexible gas barrier

The present study demonstrates a transparent polymeric gas barrier film mimicking the Namib Desert beetle's back. SiO(2) hydrophilic dots have been deposited on a nanopatterned hydrophobic surface. A nanopatterned surface was fabricated by UV-curable nanoimprinting techniques. The surface energ...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 25(2009), 12 vom: 16. Juni, Seite 7156-60
1. Verfasser: Choi, Jin Hwan (VerfasserIn)
Weitere Verfasser: Kim, Young Min, Park, Young Wook, Park, Tae Hyun, Dong, Ki Young, Ju, Byeong Kwon
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Hydrophilic dots on hydrophobic nanopatterned surfaces as a flexible gas barrier 
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520 |a The present study demonstrates a transparent polymeric gas barrier film mimicking the Namib Desert beetle's back. SiO(2) hydrophilic dots have been deposited on a nanopatterned hydrophobic surface. A nanopatterned surface was fabricated by UV-curable nanoimprinting techniques. The surface energies of the hydrophobic and hydrophilic domains were 7.29 and >73.12 mN/m, respectively. The characteristics of water vapor transfer from hydrophobic to hydrophilic regions due to difference of the attractive force at interfaces are shown to yield the enhanced barrier performance according to the Ca degradation measurements. This strategy is suitable for organic electronics, solar cells, and plastic optics applications requiring moisture-free properties with high transmission 
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700 1 |a Kim, Young Min  |e verfasserin  |4 aut 
700 1 |a Park, Young Wook  |e verfasserin  |4 aut 
700 1 |a Park, Tae Hyun  |e verfasserin  |4 aut 
700 1 |a Dong, Ki Young  |e verfasserin  |4 aut 
700 1 |a Ju, Byeong Kwon  |e verfasserin  |4 aut 
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