{"id":13778,"date":"2019-02-18T23:44:22","date_gmt":"2019-02-18T15:44:22","guid":{"rendered":"https:\/\/www.bihec.com\/olisclarity\/?p=13778"},"modified":"2019-02-18T23:44:22","modified_gmt":"2019-02-18T15:44:22","slug":"a-helical-nanographene-ribbon-as-cpl-emitter","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/olisclarity\/a-helical-nanographene-ribbon-as-cpl-emitter\/","title":{"rendered":"a helical nanographene ribbon as CPL emitter"},"content":{"rendered":"<p>\u87ba\u65cb\u7eb3\u7c73\u77f3\u58a8\u5e26\u4f5c\u4e3a<a href=\"https:\/\/www.bihec.com\/olisclarity\/tag\/cpl\/\" title=\"View all posts in CPL\" target=\"_blank\">CPL<\/a><a href=\"https:\/\/www.bihec.com\/olisclarity\/tag\/%e5%9c%86%e5%81%8f%e6%8c%af%e5%8f%91%e5%85%89\/\" title=\"View all posts in \u5706\u504f\u632f\u53d1\u5149\" target=\"_blank\">\u5706\u504f\u632f\u53d1\u5149<\/a>\u4f53<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-13779\" src=\"https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2019\/02\/WX20190218-234110@2x.png\" alt=\"\" width=\"592\" height=\"1172\" srcset=\"https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2019\/02\/WX20190218-234110@2x.png 592w, https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2019\/02\/WX20190218-234110@2x-152x300.png 152w, https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2019\/02\/WX20190218-234110@2x-517x1024.png 517w, https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2019\/02\/WX20190218-234110@2x-253x500.png 253w, https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2019\/02\/WX20190218-234110@2x-404x800.png 404w\" sizes=\"(max-width: 592px) 100vw, 592px\" \/><\/p>\n<div class=\"simple-item-view-description item-page-field-wrapper table\">\n<div>We report the synthesis and characterization of an enantiopure superhelicene nanographene constituted by two saddleshaped and one planar hexabenzocoronene (HBC) units arranged in a helicoidal shape. This is, to the best of our knowledge, the first undecabenzo[7]carbohelicene, i.e., the first fully \u03c0-extended [7]helicene. Racemic resolution allowed its chiroptical properties analysis revealing dissymmetry factors in the range of 2\u00d710-3 both in the absorption and in the emission measurements. Remarkably, nonlinear photophysical analysis showed two-photon absorption crosssection of 870 GM at 800 nm and a perfect overlapping between linear, non-linear and chiral emission.<\/div>\n<div><\/div>\n<div>URI:\u00a0<a href=\"http:\/\/hdl.handle.net\/10481\/52640\">http:\/\/hdl.handle.net\/10481\/52640<\/a><\/div>\n<div>DOI:\u00a0<a href=\"http:\/\/dx.doi.org\/10.1002\/anie.201808178\">10.1002\/anie.201808178<\/a><\/div>\n<\/div>\n<div class=\"simple-item-view-collections item-page-field-wrapper table\"><\/div>\n<div><img loading=\"lazy\" class=\"alignnone size-full wp-image-57\" src=\"https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2018\/07\/DSM-172-2-1.jpg\" alt=\"\" width=\"4256\" height=\"2832\" srcset=\"https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2018\/07\/DSM-172-2-1.jpg 4256w, https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2018\/07\/DSM-172-2-1-300x200.jpg 300w, https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2018\/07\/DSM-172-2-1-768x511.jpg 768w, https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2018\/07\/DSM-172-2-1-1024x681.jpg 1024w, https:\/\/www.bihec.com\/olisclarity\/wp-content\/uploads\/sites\/7\/2018\/07\/DSM-172-2-1-272x182.jpg 272w\" sizes=\"(max-width: 4256px) 100vw, 4256px\" \/><\/div>\n<br><div class=\"tagcloud\"><\/div>","protected":false},"excerpt":{"rendered":"<p>\u87ba\u65cb\u7eb3\u7c73\u77f3\u58a8\u5e26\u4f5c\u4e3aCPL\u5706\u504f\u632f\u53d1\u5149\u4f53 We report the synthesis and characterization of an enantiopure superhel <\/p>\n","protected":false},"author":1,"featured_media":13779,"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 - 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