{"id":25378,"date":"2016-05-05T10:01:37","date_gmt":"2016-05-05T17:01:37","guid":{"rendered":"http:\/\/lifeboat.com\/blog\/2016\/05\/iridium-oxide-nanoparticles-used-to-harvest-hydrogen"},"modified":"2017-06-04T10:25:15","modified_gmt":"2017-06-04T17:25:15","slug":"iridium-oxide-nanoparticles-used-to-harvest-hydrogen","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2016\/05\/iridium-oxide-nanoparticles-used-to-harvest-hydrogen","title":{"rendered":"Iridium Oxide Nanoparticles Used to Harvest Hydrogen"},"content":{"rendered":"<p><a class=\"blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/iridium-oxide-nanoparticles-used-to-harvest-hydrogen.jpg\"><\/a><\/p>\n<p style=\"padding-right: 20px\"><img decoding=\"async\" class=\"aligncenter\" alt=\"Researchers from Argonne National Laboratory developed a first-principles-based, variable-charge force field that has shown to accurately predict bulk and nanoscale structural and thermodynamic properties of IrO2. Catalytic properties pertaining to the oxygen reduction reaction, which drives water-splitting for the production of hydrogen fuel, were found to depend on the coordination and charge transfer at the IrO2 nanocluster surface. Image: Courtesy of Maria Chan, Argonne National Laboratory\" src=\"https:\/\/lifeboat.com\/blog.images\/iridium-oxide-nanoparticles-used-to-harvest-hydrogen2.jpg\" \/>\n<\/p>\n<p>Iridium oxide (IrO<sub>2<\/sub>) nanoparticles are useful electrocatalysts for splitting water into oxygen and hydrogen \u2014 a clean source of hydrogen for fuel and power. However, its high cost demands that researchers find the most efficient structure for IrO<sub>2<\/sub> nanoparticles for hydrogen production.<\/p>\n<p>A study conducted by a team of researchers at the U.S. Department of Energy\u2019s (DOE\u2019s) Argonne National Laboratory, published in <em>Journal of Materials Chemistry A<\/em>, describes a new empirical interatomic potential that models the IrO<sub>2<\/sub> properties important to catalytic activity at scales relevant to technology development. Also known as a force field, the interatomic potential is a set of values describing the relationship between structure and energy in a system based on its configuration in space. The team developed their new force field based on the MS-Q force field.<\/p>\n<p>\u201cBefore, it was not possible to optimize the shape and size of a particle, but this tool enables us to do this,\u201d says Maria Chan, assistant scientist at Argonne\u2019s Center for Nanoscale Materials (CNM), a DOE Office of Science User Facility.<\/p>\n<p><!-- Link: <a href=\"http:\/\/www.cemag.us\/news\/2016\/05\/iridium-oxide-nanoparticles-used-harvest-hydrogen\">http:\/\/www.cemag.us\/news\/2016\/05\/iridium-oxide-nanoparticles...t-hydrogen<\/a> --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Iridium oxide (IrO2) nanoparticles are useful electrocatalysts for splitting water into oxygen and hydrogen \u2014 a clean source of hydrogen for fuel and power. However, its high cost demands that researchers find the most efficient structure for IrO2 nanoparticles for hydrogen production. A study conducted by a team of researchers at the U.S. Department of [\u2026]<\/p>\n","protected":false},"author":395,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,4,48,8],"tags":[],"class_list":["post-25378","post","type-post","status-publish","format-standard","hentry","category-chemistry","category-nanotechnology","category-particle-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/25378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/395"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=25378"}],"version-history":[{"count":3,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/25378\/revisions"}],"predecessor-version":[{"id":61893,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/25378\/revisions\/61893"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=25378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=25378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=25378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}