{"id":3832,"date":"2012-08-16T16:52:44","date_gmt":"2012-08-16T09:52:44","guid":{"rendered":"https:\/\/nano2.toolsmkt.com\/?p=3832"},"modified":"2012-08-16T16:52:44","modified_gmt":"2012-08-16T09:52:44","slug":"nano-talk-solar-fuels-electrocatalytic-hydrogen-production-with-organometallic-hydrogenase-active-site-mimics-2","status":"publish","type":"post","link":"https:\/\/www.nanotec.or.th\/en\/nano-talk-solar-fuels-electrocatalytic-hydrogen-production-with-organometallic-hydrogenase-active-site-mimics-2\/","title":{"rendered":"NANO Talk &#8211; Solar Fuels: Electrocatalytic Hydrogen Production with Organometallic Hydrogenase Active Site Mimics"},"content":{"rendered":"<p>There is a crisis in the world\u2019s energy needs. In the next 25 years it is estimated that the world\u2019s energy demands will increase by over a third. One of the grand challenges facing science today is to discover the basis for an energy economy that is efficient, clean, cost-effective, and sustainable. <!--more-->Sunlight is our ultimate source of energy and this energy has been caught and collected over time in combustible fossil fuels (i.e. oil, natural gas and coal) that currently account for the vast majority of our energy consumption, but with well-known drawbacks. The Earth receives more solar energy in one hour than consumed by humans in an entire year. Thus conversion of solar energy into electricity provides a viable long-term solution to our energy needs, but to render this approach practicable efficient storage of this energy is required. Molecular hydrogen can store this energy chemically and release it efficiently as electricity by use of fuel cells. However, cheap and efficient catalysts are required for conversion of electricity into H<sub>2<\/sub> and operation of fuel cells. Nature has found a solution for this problem in the form of [FeFe]-hydrogenase enzymes, whose active site features an organometallic [2Fe2S] butterfly cluster core that efficiently catalyzes the production of H<sub>2<\/sub> from water with little overpotential.\u00a0<\/p>\n<p>Inspired by this enzyme active site, the researchers\u00a0have synthesized new organometallic [2Fe2S] chemical analogues, and they serve as cheap and efficient catalysts for electrochemical reduction of weak acids to H<sub>2<\/sub> albeit with substantial overpotentials. The talk\u00a0on August 16 discussed the fundamental principles of chemical energy, electronic and geometric structure, kinetics and mechanisms for production of molecular hydrogen studied by a variety of chemical, spectroscopic, and computational methods.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>There is a crisis in the world\u2019s energy needs. In the next 25 years it is estimated that the world\u2019s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[29],"tags":[],"class_list":["post-3832","post","type-post","status-publish","format-standard","hentry","category-nano-talk"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NANO Talk - Solar Fuels: Electrocatalytic Hydrogen Production with Organometallic Hydrogenase Active Site Mimics - National Nanotechnology Center<\/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.nanotec.or.th\/en\/nano-talk-solar-fuels-electrocatalytic-hydrogen-production-with-organometallic-hydrogenase-active-site-mimics-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NANO Talk - Solar Fuels: Electrocatalytic Hydrogen Production with Organometallic Hydrogenase Active Site Mimics - National Nanotechnology Center\" \/>\n<meta property=\"og:description\" content=\"There is a crisis in the world\u2019s energy needs. 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