Electrodeposited metal-organic framework films as self-assembled hierarchically superstructured supports for stable omniphobic surface coatings
Superhierarchically rough films are rapidly synthesised on metal substrates via electrochemically triggered self-assembly of meso/macroporous-structured metal-organic framework (MOF) crystals. These coatings are applied to immobilise a functional oil with low surface energy to provide stable coating...
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| Veröffentlicht in: | Scientific reports 2018-10, Vol.8 (1), p.15400-11, Article 15400 |
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| creator | Sablowski, Jakob Linnemann, Julia Hempel, Simone Hoffmann, Volker Unz, Simon Beckmann, Michael Giebeler, Lars |
| description | Superhierarchically rough films are rapidly synthesised on metal substrates via electrochemically triggered self-assembly of meso/macroporous-structured metal-organic framework (MOF) crystals. These coatings are applied to immobilise a functional oil with low surface energy to provide stable coatings repellent to a wide range of hydrophobic as well as hydrophilic fluids. Such omniphobic surfaces are highly interesting for several applications such as anti-fouling, anti-icing, and dropwise condensation, and become easily scalable with the presented bottom-up fabrication approach. As investigated by environmental scanning electron microscopy (ESEM), the presented perfluorinated oil-infused Cu-BTC coating constitutes of a flat liquid-covered surface with protruding edges of octahedral superstructured MOF crystals. Water and non-polar diiodomethane droplets form considerably high contact angles and even low-surface-tension fluids, e.g. acetone, form droplets on the infused coating. The repellent properties towards the test fluids do not change upon extended water spraying in contrast to oil-infused porous copper oxide or native copper surfaces. It is discussed in detail, how the presented electrodeposited MOF films grow and provide a proficient surface morphology to stabilise the functional oil film due to hemiwicking. |
| doi_str_mv | 10.1038/s41598-018-33542-4 |
| format | Article |
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These coatings are applied to immobilise a functional oil with low surface energy to provide stable coatings repellent to a wide range of hydrophobic as well as hydrophilic fluids. Such omniphobic surfaces are highly interesting for several applications such as anti-fouling, anti-icing, and dropwise condensation, and become easily scalable with the presented bottom-up fabrication approach. As investigated by environmental scanning electron microscopy (ESEM), the presented perfluorinated oil-infused Cu-BTC coating constitutes of a flat liquid-covered surface with protruding edges of octahedral superstructured MOF crystals. Water and non-polar diiodomethane droplets form considerably high contact angles and even low-surface-tension fluids, e.g. acetone, form droplets on the infused coating. The repellent properties towards the test fluids do not change upon extended water spraying in contrast to oil-infused porous copper oxide or native copper surfaces. It is discussed in detail, how the presented electrodeposited MOF films grow and provide a proficient surface morphology to stabilise the functional oil film due to hemiwicking.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/s41598-018-33542-4</identifier><identifier>PMID: 30337612</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>140/133 ; 639/301/357/551 ; 639/301/923/1030 ; 639/638/161 ; 639/638/298/921 ; Acetone ; Antifouling substances ; Coatings ; Copper ; Crystals ; Fabrication ; Humanities and Social Sciences ; Hydrophobicity ; multidisciplinary ; Oil ; Scanning electron microscopy ; Science ; Science (multidisciplinary) ; Self-assembly ; Spraying ; Surface properties</subject><ispartof>Scientific reports, 2018-10, Vol.8 (1), p.15400-11, Article 15400</ispartof><rights>The Author(s) 2018</rights><rights>2018. 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It is discussed in detail, how the presented electrodeposited MOF films grow and provide a proficient surface morphology to stabilise the functional oil film due to hemiwicking.</description><subject>140/133</subject><subject>639/301/357/551</subject><subject>639/301/923/1030</subject><subject>639/638/161</subject><subject>639/638/298/921</subject><subject>Acetone</subject><subject>Antifouling substances</subject><subject>Coatings</subject><subject>Copper</subject><subject>Crystals</subject><subject>Fabrication</subject><subject>Humanities and Social Sciences</subject><subject>Hydrophobicity</subject><subject>multidisciplinary</subject><subject>Oil</subject><subject>Scanning electron microscopy</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Self-assembly</subject><subject>Spraying</subject><subject>Surface properties</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kc1u1TAQhSMEolXpC7BAltiwCfgvcbJBQlUpSJXYwNpynMm9Lk4cZhxQn4JXxu0tpbDAG9ua75yZ0amq54K_Flx1b0iLpu9qLrpaqUbLWj-qjiXXTS2VlI8fvI-qU6IrXk4jey36p9WR4kqZVsjj6ud5BJ8xjbAmChlGNkN2sU64c0vwbEI3w4-EX9kU4kzMESOIU-2IYB5i4fcB0KHfB-9ivGa0rYCUcfN5w1Iu_zVhJjYlZJRd0bA0L2Hdp6H404aT88B8cjksO3pWPZlcJDi9u0-qL-_PP599qC8_XXw8e3dZe210rodO6UZq0ZpeDFLx1nRd53rXKVCDbzuhWt0ro8bR8FFMovfCyYE3RQx6ao06qd4efNdtmGH0sGR00a4YZofXNrlg_64sYW936bttRa-5aYvBqzsDTN82oGznQB5idAukjawUUpkyH5cFffkPepU2XMp6N5RshDBSFEoeKI-JCGG6H0ZwexO5PURuS-T2NnKri-jFwzXuJb8DLoA6AFRKyw7wT-__2P4ClOG6cQ</recordid><startdate>20181018</startdate><enddate>20181018</enddate><creator>Sablowski, Jakob</creator><creator>Linnemann, Julia</creator><creator>Hempel, Simone</creator><creator>Hoffmann, Volker</creator><creator>Unz, Simon</creator><creator>Beckmann, Michael</creator><creator>Giebeler, Lars</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-6703-8447</orcidid><orcidid>https://orcid.org/0000-0002-9530-9005</orcidid><orcidid>https://orcid.org/0000-0001-6883-5424</orcidid></search><sort><creationdate>20181018</creationdate><title>Electrodeposited metal-organic framework films as self-assembled hierarchically superstructured supports for stable omniphobic surface coatings</title><author>Sablowski, Jakob ; 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These coatings are applied to immobilise a functional oil with low surface energy to provide stable coatings repellent to a wide range of hydrophobic as well as hydrophilic fluids. Such omniphobic surfaces are highly interesting for several applications such as anti-fouling, anti-icing, and dropwise condensation, and become easily scalable with the presented bottom-up fabrication approach. As investigated by environmental scanning electron microscopy (ESEM), the presented perfluorinated oil-infused Cu-BTC coating constitutes of a flat liquid-covered surface with protruding edges of octahedral superstructured MOF crystals. Water and non-polar diiodomethane droplets form considerably high contact angles and even low-surface-tension fluids, e.g. acetone, form droplets on the infused coating. The repellent properties towards the test fluids do not change upon extended water spraying in contrast to oil-infused porous copper oxide or native copper surfaces. It is discussed in detail, how the presented electrodeposited MOF films grow and provide a proficient surface morphology to stabilise the functional oil film due to hemiwicking.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>30337612</pmid><doi>10.1038/s41598-018-33542-4</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-6703-8447</orcidid><orcidid>https://orcid.org/0000-0002-9530-9005</orcidid><orcidid>https://orcid.org/0000-0001-6883-5424</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | 140/133 639/301/357/551 639/301/923/1030 639/638/161 639/638/298/921 Acetone Antifouling substances Coatings Copper Crystals Fabrication Humanities and Social Sciences Hydrophobicity multidisciplinary Oil Scanning electron microscopy Science Science (multidisciplinary) Self-assembly Spraying Surface properties |
| title | Electrodeposited metal-organic framework films as self-assembled hierarchically superstructured supports for stable omniphobic surface coatings |
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