{"id":244668,"date":"2026-09-30T01:36:32","date_gmt":"2026-09-30T06:36:32","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/09\/enantioresolution-turns-bright-but-racemic-gold-silver-clusters-into-circularly-polarized-emitters"},"modified":"2026-09-30T01:36:32","modified_gmt":"2026-09-30T06:36:32","slug":"enantioresolution-turns-bright-but-racemic-gold-silver-clusters-into-circularly-polarized-emitters","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/09\/enantioresolution-turns-bright-but-racemic-gold-silver-clusters-into-circularly-polarized-emitters","title":{"rendered":"Enantioresolution turns bright but racemic gold-silver clusters into circularly polarized emitters"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/enantioresolution-turns-bright-but-racemic-gold-silver-clusters-into-circularly-polarized-emitters2.jpg\"><\/a><\/p>\n<p>Chiral metal clusters that emit circularly polarized light often face a trade-off between photoluminescence efficiency and luminescence dissymmetry. A study <a href=\"https:\/\/advanced.onlinelibrary.wiley.com\/doi\/10.1002\/adom.71553\" target=\"_blank\">published<\/a> in the journal <i>Advanced Optical Materials<\/i> tested whether highly luminescent racemic carbon-centered gold(I)-silver(I) clusters could be converted into bright CPL emitters by enantioresolution with chiral donor ligands.<\/p>\n<p>Researchers have shown that treating highly luminescent but racemic carbon-centered gold(I)-silver(I) clusters with chiral oxygen-donor ligands can separate them into mirror-image forms (enantiomers) that retain strong photoluminescence while gaining the ability to emit circularly polarized light.<\/p>\n<p>A phosphate-protected enantiomer pair achieved a photoluminescence quantum yield of 0.92\u00f70.93 and the largest luminescence dissymmetry factor (|g<sub>lum <\/sub>| = 0.008) among the clusters tested. Incorporating the cluster into a composite device with a cholesteric liquid crystal raised the measured device-level |g<sub>lum <\/sub>| to 1.25.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chiral metal clusters that emit circularly polarized light often face a trade-off between photoluminescence efficiency and luminescence dissymmetry. A study published in the journal Advanced Optical Materials tested whether highly luminescent racemic carbon-centered gold(I)-silver(I) clusters could be converted into bright CPL emitters by enantioresolution with chiral donor ligands. Researchers have shown that treating highly luminescent [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1617],"tags":[],"class_list":["post-244668","post","type-post","status-publish","format-standard","hentry","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/244668","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=244668"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/244668\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=244668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=244668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=244668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}