{"id":3241,"date":"2023-05-21T16:30:44","date_gmt":"2023-05-21T14:30:44","guid":{"rendered":"https:\/\/www.co2news.sk\/?p=3241"},"modified":"2023-05-21T16:30:44","modified_gmt":"2023-05-21T14:30:44","slug":"artificial-spherical-chromatophore-nanomicelles-for-selective-reduction-of-co-2-in-water","status":"publish","type":"post","link":"https:\/\/www.co2news.sk\/en\/2023\/05\/21\/artificial-spherical-chromatophore-nanomicelles-for-selective-reduction-of-co-2-in-water\/","title":{"rendered":"Artificial spherical chromatophore nanomicelles for selective reduction of CO 2 in water"},"content":{"rendered":"<p><span>In nature, photosynthetic organelles use sunlight to produce energy-rich compounds from water and atmospheric CO\u00a0<\/span><sub><span>2<\/span><\/sub><span>\u00a0through exquisite supramolecular aggregates. Although artificial photocatalytic cycles have been shown to occur at higher intrinsic efficiencies, low selectivity and stability in water for the reduction of multielectron CO2\u00a0<\/span><sub><span>prevents<\/span><\/sub><span>\u00a0their practical applications. Creating water-compatible artificial photocatalytic systems mimicking the natural photosynthetic apparatus for selective and efficient solar fuel production is a major challenge. Here, we show a highly stable and efficient artificial spherical chromatophore nanomicelle system that self-assembles from Zn porphyrin amphiphiles with a Co catalyst in water for CO\u00a0<\/span><sub><span>2<\/span><\/sub><span>\u2013 conversion to methane with turnover number &gt;6600 and 89% selectivity for 30 days. The hierarchical self-assembly induced a spherical antenna effect, which could facilitate the photocatalytic process with an initial 15% solar energy-to-fuel efficiency. In addition, it has the ability to effectively reduce atmospheric CO2\u00a0<\/span><sub><span>on the<\/span><\/sub><span> methane with high selectivity in water. <em>(Junlai Yu)<\/em><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>In nature, photosynthetic organelles utilize sunlight to produce energy-rich compounds from water and atmospheric CO 2 through exquisite supramolecular assemblies. Although artificial photocatalytic cycles have been shown to occur at higher internal efficiencies, low selectivity and stability in water for the reduction of multi-electron CO 2 hinder their practical applications. The creation of water-compatible artificial photocatalytic systems that mimic the natural photosynthetic apparatus on [\u2026]<\/p>","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4,1],"tags":[],"class_list":["post-3241","post","type-post","status-publish","format-standard","hentry","category-klimaticka-zmena","category-znizovanie_co2_cdr_ccs_ccu_dac"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/posts\/3241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/comments?post=3241"}],"version-history":[{"count":0,"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/posts\/3241\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/media?parent=3241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/categories?post=3241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.co2news.sk\/en\/wp-json\/wp\/v2\/tags?post=3241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}