Electrodeposition of metals from supercritical fluids
Electrodeposition is a widely used materials-deposition technology with a number of unique features, in particular, the efficient use of starting materials, conformal, and directed coating. The properties of the solvent medium for electrodeposition are critical to the technique's applicability....
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| Veröffentlicht in: | Proceedings of the National Academy of Sciences - PNAS 2009-09, Vol.106 (35), p.14768-14772 |
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| container_title | Proceedings of the National Academy of Sciences - PNAS |
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| creator | Ke, Jie Su, Wenta Howdle, Steven M George, Michael W Cook, David Perdjon-Abel, Magda Bartlett, Philip N Zhang, Wenjian Cheng, Fei Levason, William Reid, Gillian Hyde, Jason Wilson, James Smith, David C Mallik, Kanad Sazio, Pier |
| description | Electrodeposition is a widely used materials-deposition technology with a number of unique features, in particular, the efficient use of starting materials, conformal, and directed coating. The properties of the solvent medium for electrodeposition are critical to the technique's applicability. Supercritical fluids are unique solvents which give a wide range of advantages for chemistry in general, and materials processing in particular. However, a widely applicable approach to electrodeposition from supercritical fluids has not yet been developed. We present here a method that allows electrodeposition of a range of metals from supercritical carbon dioxide, using acetonitrile as a co-solvent and supercritical difluoromethane. This method is based on a careful selection of reagent and supporting electrolyte. There are no obvious barriers preventing this method being applied to deposit a range of materials from many different supercritical fluids. We present the deposition of 3-nm diameter nanowires in mesoporous silica templates using this methodology. |
| doi_str_mv | 10.1073/pnas.0901986106 |
| format | Article |
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The properties of the solvent medium for electrodeposition are critical to the technique's applicability. Supercritical fluids are unique solvents which give a wide range of advantages for chemistry in general, and materials processing in particular. However, a widely applicable approach to electrodeposition from supercritical fluids has not yet been developed. We present here a method that allows electrodeposition of a range of metals from supercritical carbon dioxide, using acetonitrile as a co-solvent and supercritical difluoromethane. This method is based on a careful selection of reagent and supporting electrolyte. There are no obvious barriers preventing this method being applied to deposit a range of materials from many different supercritical fluids. 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We present the deposition of 3-nm diameter nanowires in mesoporous silica templates using this methodology.</description><subject>Carbon dioxide</subject><subject>Conductivity</subject><subject>Copper</subject><subject>Electrochemical cells</subject><subject>Electrodeposition</subject><subject>Electrodes</subject><subject>Electrolytes</subject><subject>Fluids</subject><subject>Materials</subject><subject>Metals</subject><subject>Methods</subject><subject>Nanowires</subject><subject>Physical Sciences</subject><subject>Silica</subject><subject>Solvents</subject><subject>Supercritical fluids</subject><issn>0027-8424</issn><issn>1091-6490</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkb1vFDEQxS1ERC6BmgpYUSCl2GT8bTdIKEogUiQKSG35vHbY0-56sb0R_Pf4dKcc0KSa4v3mzTw9hF5jOMcg6cU82XwOGrBWAoN4hlYYNG4F0_AcrQCIbBUj7Bid5LwBAM0VvEDHWEsQTOoV4leDdyXFzs8x96WPUxNDM_pih9yEFMcmL7NPLlXN2aEJw9J3-SU6ChXwr_bzFN1dX32__NLefv18c_nptnVc6dJSLYUMxBPtwVuKuaNEOBaCpByHwIXiRGFM1gFs58CtHaO4E4KtKVfBOnqKPu5852U9-s75qSQ7mDn1o02_TbS9-VeZ-h_mPj4YIqlglFSDD3uDFH8uPhcz9tn5YbCTj0s2oj6oFJcVfP8fuIlLmmo4QwAzIBirCl3sIJdizsmHx08wmG0fZtuHOfRRN97-HeDA7wuoQLMHtpsHO2EoN5hJsb169gRiwjIMxf8qlX2zYze5xPQIM2CKcWBVf7fTg43G3qc-m7tvNSAFLCQXVNA_4rSyXQ</recordid><startdate>20090901</startdate><enddate>20090901</enddate><creator>Ke, Jie</creator><creator>Su, Wenta</creator><creator>Howdle, Steven M</creator><creator>George, Michael W</creator><creator>Cook, David</creator><creator>Perdjon-Abel, Magda</creator><creator>Bartlett, Philip N</creator><creator>Zhang, Wenjian</creator><creator>Cheng, Fei</creator><creator>Levason, William</creator><creator>Reid, Gillian</creator><creator>Hyde, Jason</creator><creator>Wilson, James</creator><creator>Smith, David C</creator><creator>Mallik, Kanad</creator><creator>Sazio, Pier</creator><general>National Academy of Sciences</general><general>National Acad Sciences</general><scope>FBQ</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20090901</creationdate><title>Electrodeposition of metals from supercritical fluids</title><author>Ke, Jie ; 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| identifier | ISSN: 0027-8424 |
| ispartof | Proceedings of the National Academy of Sciences - PNAS, 2009-09, Vol.106 (35), p.14768-14772 |
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| language | eng |
| recordid | cdi_crossref_primary_10_1073_pnas_0901986106 |
| source | Jstor Complete Legacy; PubMed Central; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Carbon dioxide Conductivity Copper Electrochemical cells Electrodeposition Electrodes Electrolytes Fluids Materials Metals Methods Nanowires Physical Sciences Silica Solvents Supercritical fluids |
| title | Electrodeposition of metals from supercritical fluids |
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