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Autonomous Interfacial Assembly of Polymer Nanofilms via Surfactant-Regulated Marangoni Instability
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- Park, Sung-Joon (author)
- Korea Univ, Dept Chem & Biol Engn, Seoul 02841, South Korea.
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- Lee, Myung-Seok (author)
- Korea Univ, Dept Chem & Biol Engn, Seoul 02841, South Korea.
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- Kilic, Mehmet Emin (author)
- Korea Inst Sci & Technol, Computat Sci Res Ctr, Seoul 02792, South Korea.;Virginia Commonwealth Univ, Dept Phys, Richmond, VA 23284 USA.
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- Korea Univ, Dept Chem & Biol Engn, Seoul 02841, South Korea Korea Inst Sci & Technol, Computat Sci Res Ctr, Seoul 02792, South Korea.;Virginia Commonwealth Univ, Dept Phys, Richmond, VA 23284 USA. (creator_code:org_t)
- American Chemical Society (ACS), 2023
- 2023
- English.
- In: Nano Letters. - : American Chemical Society (ACS). - 1530-6984 .- 1530-6992. ; 23:11, s. 4822-4829
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Interfacialpolymerization (IP) provides a versatile platform forfabricating defect-free functional nanofilms for various applications,including molecular separation, energy, electronics, and biomedicalmaterials. Unfortunately, coupled with complex natural instabilityphenomena, the IP mechanism and key parameters underlying the structuralevolution of nanofilms, especially in the presence of surfactantsas an interface regulator, remain puzzling. Here, we interfaciallyassembled polymer nanofilm membranes at the free water-oilinterface in the presence of differently charged surfactants and comprehensivelycharacterized their structure and properties. Combined with computationalsimulations, an in situ visualization of interfacial film formationdiscovered the critical role of Marangoni instability induced by thesurfactants via various mechanisms in structurally regulating thenanofilms. Despite their different instability-triggering mechanisms,the delicate control of the surfactants enabled the fabrication ofdefect-free, ultra-permselective nanofilm membranes. Our study identifiescritical IP parameters that allow us to rationally design nanofilms,coatings, and membranes for target applications.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Keyword
- interfacial polymerization
- surfactants
- polymernanofilms
- membranes
- instability
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Park, Sung-Joon
- Lee, Myung-Seok
- Kilic, Mehmet Em ...
- Ryu, Junil
- Park, Hosik
- Park, You In
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- Kim, Hyoungsoo
- Lee, Kwang-Ryeol
- Lee, Jung-Hyun
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- Nano Letters
- By the university
- Uppsala University
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