Electron microscopy of gold nanoparticles at atomic resolution
Structure determination of gold nanoparticles (AuNPs) is necessary for understanding their physical and chemical properties, but only one AuNP larger than 1 nanometer in diameter [a 102–gold atom NP (Au102NP)] has been solved to atomic resolution. Whereas the Au102NP structure was determined by x-ra...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2014-08, Vol.345 (6199), p.909-912 |
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| creator | Azubel, Maia Koivisto, Jaakko Malola, Sami Bushnell, David Hura, Greg L. Koh, Ai Leen Tsunoyama, Hironori Tsukuda, Tatsuya Pettersson, Mika Häkkinen, Hannu Kornberg, Roger D. |
| description | Structure determination of gold nanoparticles (AuNPs) is necessary for understanding their physical and chemical properties, but only one AuNP larger than 1 nanometer in diameter [a 102–gold atom NP (Au102NP)] has been solved to atomic resolution. Whereas the Au102NP structure was determined by x-ray crystallography, other large AuNPs have proved refractory to this approach. Here, we report the structure determination of a Au68NP at atomic resolution by aberration-corrected transmission electron microscopy, performed with the use of a minimal electron dose, an approach that should prove applicable to metal NPs in general. The structure of the Au68NP was supported by small-angle x-ray scattering and by comparison of observed infrared absorption spectra with calculations by density functional theory. |
| doi_str_mv | 10.1126/science.1251959 |
| format | Article |
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Whereas the Au102NP structure was determined by x-ray crystallography, other large AuNPs have proved refractory to this approach. Here, we report the structure determination of a Au68NP at atomic resolution by aberration-corrected transmission electron microscopy, performed with the use of a minimal electron dose, an approach that should prove applicable to metal NPs in general. The structure of the Au68NP was supported by small-angle x-ray scattering and by comparison of observed infrared absorption spectra with calculations by density functional theory.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.1251959</identifier><identifier>PMID: 25146285</identifier><identifier>CODEN: SCIEAS</identifier><language>eng</language><publisher>Washington: American Association for the Advancement of Science</publisher><subject>Aluminum ; Atomic structure ; Capping ; chemical elements ; Crystal structure ; Density functional theory ; Gold ; Ligands ; nanogold ; Nanoparticles ; Transmission electron microscopy ; X-radiation</subject><ispartof>Science (American Association for the Advancement of Science), 2014-08, Vol.345 (6199), p.909-912</ispartof><rights>Copyright © 2014 American Association for the Advancement of Science</rights><rights>Copyright © 2014, American Association for the Advancement of Science</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c519t-b2b6b41a2974ab65176ae9cb72a68f51a571fa928925abab3c890ca19393b2273</citedby><cites>FETCH-LOGICAL-c519t-b2b6b41a2974ab65176ae9cb72a68f51a571fa928925abab3c890ca19393b2273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/24917229$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/24917229$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,776,780,799,881,2871,2872,27901,27902,57992,58225</link.rule.ids></links><search><creatorcontrib>Azubel, Maia</creatorcontrib><creatorcontrib>Koivisto, Jaakko</creatorcontrib><creatorcontrib>Malola, Sami</creatorcontrib><creatorcontrib>Bushnell, David</creatorcontrib><creatorcontrib>Hura, Greg L.</creatorcontrib><creatorcontrib>Koh, Ai Leen</creatorcontrib><creatorcontrib>Tsunoyama, Hironori</creatorcontrib><creatorcontrib>Tsukuda, Tatsuya</creatorcontrib><creatorcontrib>Pettersson, Mika</creatorcontrib><creatorcontrib>Häkkinen, Hannu</creatorcontrib><creatorcontrib>Kornberg, Roger D.</creatorcontrib><title>Electron microscopy of gold nanoparticles at atomic resolution</title><title>Science (American Association for the Advancement of Science)</title><description>Structure determination of gold nanoparticles (AuNPs) is necessary for understanding their physical and chemical properties, but only one AuNP larger than 1 nanometer in diameter [a 102–gold atom NP (Au102NP)] has been solved to atomic resolution. Whereas the Au102NP structure was determined by x-ray crystallography, other large AuNPs have proved refractory to this approach. Here, we report the structure determination of a Au68NP at atomic resolution by aberration-corrected transmission electron microscopy, performed with the use of a minimal electron dose, an approach that should prove applicable to metal NPs in general. The structure of the Au68NP was supported by small-angle x-ray scattering and by comparison of observed infrared absorption spectra with calculations by density functional theory.</description><subject>Aluminum</subject><subject>Atomic structure</subject><subject>Capping</subject><subject>chemical elements</subject><subject>Crystal structure</subject><subject>Density functional theory</subject><subject>Gold</subject><subject>Ligands</subject><subject>nanogold</subject><subject>Nanoparticles</subject><subject>Transmission electron microscopy</subject><subject>X-radiation</subject><issn>0036-8075</issn><issn>1095-9203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkTFrHDEQhYVxsC9O6lSBhTRu1taMViupMRhzTgKGNEktRrLW2WNPuki7Bv97y9xhcBrDwBTzvcfwHmNfgF8AYH9Z_BiiDxeAEow0R2wF3MjWIBfHbMW56FvNlTxlH0vZcF5vRpyw00p3PWq5YlfrKfg5p9hsR59T8Wn31KSheUjTfRMpph3lefRTKA3NdVLFmhxKmpZ5TPET-zDQVMLnwz5jf27Xv29-tHe_vv-8ub5rff1rbh263nVAaFRHrpegegrGO4XU60ECSQUDGdQGJTlywmvDPYERRjhEJc7Y1d53t7htuPchzpkmu8vjlvKTTTTat5c4_rUP6dF2AqTpoBqcHwxy-reEMtvtWHyYJoohLcViDUdogfp9FAzvUGilsaLf_kM3acmxJmFBSolK15YqdbmnXgIuOQyvfwO3LzXaQ432UGNVfN0rNmVO-RXHzoBCNOIZ7f2Zpg</recordid><startdate>20140822</startdate><enddate>20140822</enddate><creator>Azubel, Maia</creator><creator>Koivisto, Jaakko</creator><creator>Malola, Sami</creator><creator>Bushnell, David</creator><creator>Hura, Greg L.</creator><creator>Koh, Ai Leen</creator><creator>Tsunoyama, Hironori</creator><creator>Tsukuda, Tatsuya</creator><creator>Pettersson, Mika</creator><creator>Häkkinen, Hannu</creator><creator>Kornberg, Roger D.</creator><general>American Association for the Advancement of Science</general><general>The American Association for the Advancement of Science</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QQ</scope><scope>7QR</scope><scope>7SC</scope><scope>7SE</scope><scope>7SN</scope><scope>7SP</scope><scope>7SR</scope><scope>7SS</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7TK</scope><scope>7TM</scope><scope>7U5</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7S9</scope><scope>L.6</scope><scope>5PM</scope></search><sort><creationdate>20140822</creationdate><title>Electron microscopy of gold nanoparticles at atomic resolution</title><author>Azubel, Maia ; 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| source | American Association for the Advancement of Science; Jstor Complete Legacy |
| subjects | Aluminum Atomic structure Capping chemical elements Crystal structure Density functional theory Gold Ligands nanogold Nanoparticles Transmission electron microscopy X-radiation |
| title | Electron microscopy of gold nanoparticles at atomic resolution |
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