{"id":14062,"date":"2020-07-03T08:50:02","date_gmt":"2020-07-03T00:50:02","guid":{"rendered":"https:\/\/www.bihec.com\/olisclarity\/?p=14062"},"modified":"2020-07-03T08:50:02","modified_gmt":"2020-07-03T00:50:02","slug":"circularly-polarized-luminescence-from-enantiopure-c2-symmetrical-tetrakis2-pyridylmethyl-12-diaminocyclohexane-lanthanide-complexes","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/olisclarity\/circularly-polarized-luminescence-from-enantiopure-c2-symmetrical-tetrakis2-pyridylmethyl-12-diaminocyclohexane-lanthanide-complexes\/","title":{"rendered":"Circularly Polarized Luminescence from Enantiopure C2-Symmetrical Tetrakis(2-pyridylmethyl)-1,2-diaminocyclohexane Lanthanide Complexes"},"content":{"rendered":"<h2 id=\"Abstract\" class=\"article_abstract-title\">Abstract<\/h2>\n<div id=\"abstractBox\" class=\"article_abstract-content hlFld-Abstract\">\n<p class=\"articleBody_abstractText\">We report the synthesis and characterization of\u00a0<i>C<\/i><sub>2<\/sub>-symmetrical lanthanide complexes supported by enantiopure hexadentate ligands derived from 1,2-diaminocyclohexane. Coordination of (<i>R<\/i>,<i>R<\/i>)- or (<i>S<\/i>,<i>S<\/i>)-<i>N<\/i>,<i>N<\/i>,<i>N<\/i>\u2032,<i>N<\/i>\u2032-tetrakis(2-pyridylmethyl)-<i>trans<\/i>-1,2-diaminocyclohexane (tpdac) to samarium, europium, terbium, and dysprosium generates the corresponding\u00a0<i>C<\/i><sub>2<\/sub>-symmetrical (tpdac)Ln(OTf)<sub>3<\/sub>\u00a0complexes in high yields. The tpdac ligands are competent sensitizers for lanthanide luminescence, yielding modest emissions (\u03a6 of \u226428%). Additionally, the complexes exhibit strong circularly polarized luminescence (|<i>g<\/i><sub>lum<\/sub>| values of up to 0.13, 0.09, 0.22, and 0.15 for Sm, Eu, Tb, and Dy, respectively) in solution. We also observed that some transitions typically associated with small dissymmetry factors exhibit unusually high |<i>g<\/i><sub>lum<\/sub>| values and, therefore, should not be overlooked in future studies.<\/p>\n<p>[pdfjs-viewer url=&#8221;https%3A%2F%2Fwww.bihec.com%2Folisclarity%2Fwp-content%2Fuploads%2Fsites%2F7%2F2020%2F07%2Fic0c00628_si_001.pdf&#8221; viewer_width=100% viewer_height=1360px fullscreen=true download=true print=true]<\/p>\n<\/div>\n<br><div class=\"tagcloud\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Abstract We report the synthesis and characterization of\u00a0C2-symmetrical lanthanide complex <\/p>\n","protected":false},"author":7,"featured_media":14063,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Circularly Polarized Luminescence from Enantiopure C2-Symmetrical Tetrakis(2-pyridylmethyl)-1,2-diaminocyclohexane Lanthanide Complexes - CPL\u5706\u504f\u632f\u8367\u5149\u5149\u8c31\u4eea CD\u5706\u4e8c\u8272\u5149\u8c31\u4eea Olis<\/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.bihec.com\/olisclarity\/circularly-polarized-luminescence-from-enantiopure-c2-symmetrical-tetrakis2-pyridylmethyl-12-diaminocyclohexane-lanthanide-complexes\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circularly Polarized Luminescence from Enantiopure C2-Symmetrical Tetrakis(2-pyridylmethyl)-1,2-diaminocyclohexane Lanthanide Complexes - CPL\u5706\u504f\u632f\u8367\u5149\u5149\u8c31\u4eea CD\u5706\u4e8c\u8272\u5149\u8c31\u4eea Olis\" \/>\n<meta property=\"og:description\" content=\"Abstract We report the synthesis and characterization of\u00a0C2-symmetrical lanthanide complex\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bihec.com\/olisclarity\/circularly-polarized-luminescence-from-enantiopure-c2-symmetrical-tetrakis2-pyridylmethyl-12-diaminocyclohexane-lanthanide-complexes\/\" \/>\n<meta property=\"og:site_name\" content=\"CPL\u5706\u504f\u632f\u8367\u5149\u5149\u8c31\u4eea CD\u5706\u4e8c\u8272\u5149\u8c31\u4eea Olis\" \/>\n<meta property=\"article:published_time\" content=\"2020-07-03T00:50:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2020\/07\/ic0c00628_0010.gif?v=1593737330\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"267\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6c6a\u7ecf\u7406 \u7535\u8bdd\uff1a17717301704\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.bihec.com\/olisclarity\/#website\",\"url\":\"https:\/\/www.bihec.com\/olisclarity\/\",\"name\":\"%%sitename%%\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.bihec.com\/olisclarity\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-CN\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.bihec.com\/olisclarity\/circularly-polarized-luminescence-from-enantiopure-c2-symmetrical-tetrakis2-pyridylmethyl-12-diaminocyclohexane-lanthanide-complexes\/#primaryimage\",\"inLanguage\":\"zh-CN\",\"url\":\"https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2020\/07\/ic0c00628_0010.gif?v=1593737330\",\"contentUrl\":\"https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2020\/07\/ic0c00628_0010.gif?v=1593737330\",\"width\":500,\"height\":267},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.bihec.com\/olisclarity\/circularly-polarized-luminescence-from-enantiopure-c2-symmetrical-tetrakis2-pyridylmethyl-12-diaminocyclohexane-lanthanide-complexes\/#webpage\",\"url\":\"https:\/\/www.bihec.com\/olisclarity\/circularly-polarized-luminescence-from-enantiopure-c2-symmetrical-tetrakis2-pyridylmethyl-12-diaminocyclohexane-lanthanide-complexes\/\",\"name\":\"Circularly Polarized Luminescence from Enantiopure C2-Symmetrical Tetrakis(2-pyridylmethyl)-1,2-diaminocyclohexane Lanthanide Complexes - 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