{"id":219732,"date":"2025-08-09T05:28:57","date_gmt":"2025-08-09T10:28:57","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/08\/ultrathin-metal-and-semiconductor-films-emit-multicolor-light-paving-way-for-new-optical-sensing-devices"},"modified":"2025-08-09T05:28:57","modified_gmt":"2025-08-09T10:28:57","slug":"ultrathin-metal-and-semiconductor-films-emit-multicolor-light-paving-way-for-new-optical-sensing-devices","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/08\/ultrathin-metal-and-semiconductor-films-emit-multicolor-light-paving-way-for-new-optical-sensing-devices","title":{"rendered":"Ultrathin metal and semiconductor films emit multicolor light, paving way for new optical sensing devices"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/ultrathin-metal-and-semiconductor-films-emit-multicolor-light-paving-way-for-new-optical-sensing-devices3.jpg\"><\/a><\/p>\n<p>A new breakthrough in the field of physics led by doctoral student Yueming Yan could allow for the creation of small, thin, low-power optical devices to be used in both medical imaging and environmental sensing.<\/p>\n<p>In a study <a href=\"https:\/\/www.science.org\/doi\/10.1126\/sciadv.adv1822\" target=\"_blank\">published<\/a> in <i>Science Advances<\/i>, Yan and his colleagues, including Associate Professor of Chemistry Janet Macdonald and Stevenson Professor of Physics Richard Haglund, examined tiny nanoparticles of metals and semiconductors, specifically gold and copper.<\/p>\n<p>The team laid down two ultrathin layers of gold and semiconducting copper sulfide nanoparticles, creating a \u201csandwich\u201d 100 times thinner than a human hair. They then zapped this sandwich with a flash of light shorter than a trillionth of a second. Doing so caused the particles to \u201cchat\u201d back and forth, exchanging energy so efficiently that they re-emitted light in multiple different colors.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new breakthrough in the field of physics led by doctoral student Yueming Yan could allow for the creation of small, thin, low-power optical devices to be used in both medical imaging and environmental sensing. In a study published in Science Advances, Yan and his colleagues, including Associate Professor of Chemistry Janet Macdonald and Stevenson [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,4],"tags":[],"class_list":["post-219732","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-nanotechnology"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/219732","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=219732"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/219732\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=219732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=219732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=219732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}