{"id":1174,"date":"2019-01-25T11:19:13","date_gmt":"2019-01-25T11:19:13","guid":{"rendered":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/?p=1174"},"modified":"2019-09-02T11:50:14","modified_gmt":"2019-09-02T10:50:14","slug":"imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction","status":"publish","type":"post","link":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/","title":{"rendered":"Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction"},"content":{"rendered":"<p><strong>A new tomographic technique for colouring in at the atomic scale<\/strong><\/p>\n<p>This research demonstrate translation of a biological microscopy technique to add chemical imaging of nanoparticles at the atomic scale. The properties of nanoparticles are known to critically depend on their local chemistry but characterizing three-dimensional (3D) elemental segregation at the nanometer scale is highly challenging. Scanning transmission electron microscope (STEM) tomographic imaging is one of the few techniques able to measure local chemistry for inorganic nanoparticles but conventional methodologies fail for most materials due to damage by the electron beam. Using a new spectroscopic single particle reconstruction approach built on a method developed by structural biologists we demonstrate that it is possible to map different elements at the atomic scale in 3D, circumventing damage to the particles being studied. We apply this technique to the imaging of PtNi nanocatalysts and find new evidence of a complex inhomogeneous alloying with different compositions at certain faces, edges and corners. This new approach for measuring 3D chemistry will aid the design of better catalysts with lower costs and higher efficiencies, as well as speed up optimisation of nanoparticle synthesis for wide ranging applications including biomedical sensing, light emitting diodes, and solar cells.<\/p>\n<div class=\"abstract-box\"><\/p>\n<ul>\n<li>Platinum is one of the best catalytic metals but incredibly expensive at around \u00a320\/gram<\/li>\n<li>Alloying nickel with platinum reduces the cost of the nanoparticle and also makes it a better catalyst for the oxygen reduction reaction<\/li>\n<li>Biologists use Single Particle Reconstruction to recover the structure of proteins. The technique works by averaging information from around 1 million different proteins that are randomly arranged in a very thin ice film<\/li>\n<li>The Single Particle Reconstruction technique is so important in biology that it&#8217;s inventors were awarded the 2017 Nobel Chemistry Prize<\/li>\n<\/ul>\n<p><\/div>\n<p class=\"button\"><a target=\"blank\" href=\"https:\/\/doi.org\/10.1021\/acs.nanolett.8b03768\" class=\"uom-button\">Read more here - DOI https:\/\/doi.org\/10.1021\/acs.nanolett.8b03768<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new tomographic technique for colouring in at the atomic scale This research demonstrate translation of a biological microscopy technique to add chemical imaging of nanoparticles at the atomic scale. The properties of nanoparticles are known to critically depend on their local chemistry but characterizing three-dimensional (3D) elemental segregation at the nanometer scale is highly [&hellip;]<\/p>\n","protected":false},"author":157,"featured_media":1212,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[13,21,10],"tags":[],"class_list":{"0":"post-1174","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-archive","8":"category-edition-08","9":"category-materials","10":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction - In Abstract<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction - In Abstract\" \/>\n<meta property=\"og:description\" content=\"A new tomographic technique for colouring in at the atomic scale This research demonstrate translation of a biological microscopy technique to add chemical imaging of nanoparticles at the atomic scale. The properties of nanoparticles are known to critically depend on their local chemistry but characterizing three-dimensional (3D) elemental segregation at the nanometer scale is highly [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/\" \/>\n<meta property=\"og:site_name\" content=\"In Abstract\" \/>\n<meta property=\"article:published_time\" content=\"2019-01-25T11:19:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-09-02T10:50:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"890\" \/>\n\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Enna Bartlett\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Enna Bartlett\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/\",\"url\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/\",\"name\":\"Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction - In Abstract\",\"isPartOf\":{\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg\",\"datePublished\":\"2019-01-25T11:19:13+00:00\",\"dateModified\":\"2019-09-02T10:50:14+00:00\",\"author\":{\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/#\/schema\/person\/e1ec31af6571092b97ca2fdd756e6582\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#primaryimage\",\"url\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg\",\"contentUrl\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg\",\"width\":890,\"height\":350},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/#website\",\"url\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/\",\"name\":\"In Abstract\",\"description\":\"The latest papers from The University of Manchester Faculty of Science and Engineering\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/#\/schema\/person\/e1ec31af6571092b97ca2fdd756e6582\",\"name\":\"Enna Bartlett\",\"url\":\"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/author\/ennabartlett\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction - In Abstract","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/","og_locale":"en_GB","og_type":"article","og_title":"Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction - In Abstract","og_description":"A new tomographic technique for colouring in at the atomic scale This research demonstrate translation of a biological microscopy technique to add chemical imaging of nanoparticles at the atomic scale. The properties of nanoparticles are known to critically depend on their local chemistry but characterizing three-dimensional (3D) elemental segregation at the nanometer scale is highly [&hellip;]","og_url":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/","og_site_name":"In Abstract","article_published_time":"2019-01-25T11:19:13+00:00","article_modified_time":"2019-09-02T10:50:14+00:00","og_image":[{"width":890,"height":350,"url":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg","type":"image\/jpeg"}],"author":"Enna Bartlett","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Enna Bartlett","Estimated reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/","url":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/","name":"Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction - In Abstract","isPartOf":{"@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#primaryimage"},"image":{"@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#primaryimage"},"thumbnailUrl":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg","datePublished":"2019-01-25T11:19:13+00:00","dateModified":"2019-09-02T10:50:14+00:00","author":{"@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/#\/schema\/person\/e1ec31af6571092b97ca2fdd756e6582"},"breadcrumb":{"@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#primaryimage","url":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg","contentUrl":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg","width":890,"height":350},{"@type":"BreadcrumbList","@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/imaging-three-dimensional-elemental-inhomogeneity-in-pt-ni-nanoparticles-using-spectroscopic-single-particle-reconstruction\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/"},{"@type":"ListItem","position":2,"name":"Imaging three-dimensional elemental inhomogeneity in Pt-Ni nanoparticles using spectroscopic single particle reconstruction"}]},{"@type":"WebSite","@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/#website","url":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/","name":"In Abstract","description":"The latest papers from The University of Manchester Faculty of Science and Engineering","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Person","@id":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/#\/schema\/person\/e1ec31af6571092b97ca2fdd756e6582","name":"Enna Bartlett","url":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/author\/ennabartlett\/"}]}},"jetpack_featured_media_url":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-content\/uploads\/sites\/61\/2019\/01\/Imaging-Three-Dimensional-Elemental-Inhomogeneity-in-Pt-Ni-Nanoparticles-Using-Spectroscopic-Single-Particle-Reconstruction.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/posts\/1174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/users\/157"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/comments?post=1174"}],"version-history":[{"count":2,"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/posts\/1174\/revisions"}],"predecessor-version":[{"id":1207,"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/posts\/1174\/revisions\/1207"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/media\/1212"}],"wp:attachment":[{"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/media?parent=1174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/categories?post=1174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mub.eps.manchester.ac.uk\/in-abstract\/wp-json\/wp\/v2\/tags?post=1174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}