{"id":1411,"date":"2024-05-22T15:21:06","date_gmt":"2024-05-22T07:21:06","guid":{"rendered":"https:\/\/test.3dptek.com\/?p=1411"},"modified":"2024-05-22T15:21:09","modified_gmt":"2024-05-22T07:21:09","slug":"2024-di-1-pian-3d-da-yin-science","status":"publish","type":"post","link":"https:\/\/www.3dptek.com\/fr\/repository\/2024-di-1-pian-3d-da-yin-science\/","title":{"rendered":"2024 Article 1 Science de l'impression 3D"},"content":{"rendered":"

Le 4 janvier 2024, le premier article de Science de 2024 est publi\u00e9 par l'\u00e9quipe du professeur Yang Peidong, chimiste inorganique \u00e0 l'universit\u00e9 de Californie, Berkeley, et membre de la Tri-Academy of the United States and China.<\/p>\n\n\n\n

Les \u00e9metteurs bleus et verts \u00e0 haut rendement quantique de photoluminescence sont actuellement \u00e0 la pointe de la recherche en mati\u00e8re d'\u00e9clairage \u00e0 l'\u00e9tat solide et d'affichage des couleurs. L'\u00e9quipe du professeur Peidong Yang a mis au point des mat\u00e9riaux \u00e9mettant dans le bleu et le vert avec des rendements de photoluminescence quasi uniformes gr\u00e2ce \u00e0 l'assemblage supramol\u00e9culaire de grappes octa\u00e9driques d'halog\u00e9nures d'hafnium et de zirconium. Les poudres de chalcog\u00e9nures d'halog\u00e9nures hautement luminescents pr\u00e9sentent une excellente aptitude \u00e0 la mise en \u0153uvre en solution pour les \u00e9crans \u00e0 couches minces et l'impression 3D auto-\u00e9clair\u00e9e. Les poudres photoluminescentes ont \u00e9t\u00e9 dispers\u00e9es de mani\u00e8re homog\u00e8ne dans la r\u00e9sine par agitation et sonication. Les \u00e9metteurs bleus et verts ont \u00e9t\u00e9 assembl\u00e9s en macro- et micro-structures complexes \u00e0 l'aide d'une m\u00e9thode d'impression num\u00e9rique de lumi\u00e8re multi-mat\u00e9riaux. La r\u00e9sine a \u00e9t\u00e9 rapidement convertie en structures 3D solides sous une irradiation de lumi\u00e8re UV structurelle de 405 nm.<\/p>\n\n\n

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\"\"<\/figure><\/div>\n\n\n

Des mod\u00e8les architecturaux imprim\u00e9s de la Tour Eiffel montrent leurs couleurs bleue et verte respectives apr\u00e8s excitation \u00e0 254 nm. Les deux Tours Eiffel se trouvent \u00e0 quelques centim\u00e8tres l'une de l'autre et pr\u00e9sentent des caract\u00e9ristiques spatiales \u00e0 haute r\u00e9solution. Les deux tours Eiffel sont situ\u00e9es \u00e0 quelques centim\u00e8tres l'une de l'autre et pr\u00e9sentent des caract\u00e9ristiques spatiales \u00e0 haute r\u00e9solution. Une vue rapproch\u00e9e de la limite entre les r\u00e9gions \u00e9mettrices bleue et verte au sein de la structure en treillis en octuple imprim\u00e9e en 3D r\u00e9v\u00e8le un degr\u00e9 \u00e9lev\u00e9 de pr\u00e9cision dans les transitions de couleur, sans croisement de couleur d'un c\u00f4t\u00e9 ou de l'autre. Les applications potentielles des structures lumineuses imprim\u00e9es en 3D sont vastes et \u00e9volutives, allant de solutions d'\u00e9clairage complexes pour les environnements int\u00e9rieurs \u00e0 l'int\u00e9gration transparente dans des dispositifs portables.<\/p>","protected":false},"excerpt":{"rendered":"

Le 4 janvier 2024, le premier article de Science de 2024 est publi\u00e9 par l'\u00e9quipe du professeur Yang Peidong, chimiste inorganique \u00e0 l'universit\u00e9 de Californie, Berkeley, et membre de la Tri-Academy of the United States and China.<\/p>","protected":false},"author":1,"featured_media":1412,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1411","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-repository"],"acf":[],"yoast_head":"\n2024\u7b2c1\u7bc73D\u6253\u5370Science - \u4e09\u5e1d\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8<\/title>\n<meta name=\"description\" content=\"2024\u5e741\u67084\u65e5\uff0c\u4e2d\u7f8e\u4e24\u56fd\u4e09\u9662\u9662\u58eb\u3001\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821\u65e0\u673a\u5316\u5b66\u5bb6\u6768\u57f9\u4e1c\u6559\u6388\u56e2\u961f\u53d1\u8868\u4e862024\u5e74\u9996\u7bc7Science\u6587\u7ae0\u3002\" \/>\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.3dptek.com\/fr\/repository\/2024-di-1-pian-3d-da-yin-science\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2024\u7b2c1\u7bc73D\u6253\u5370Science\" \/>\n<meta property=\"og:description\" content=\"2024\u5e741\u67084\u65e5\uff0c\u4e2d\u7f8e\u4e24\u56fd\u4e09\u9662\u9662\u58eb\u3001\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821\u65e0\u673a\u5316\u5b66\u5bb6\u6768\u57f9\u4e1c\u6559\u6388\u56e2\u961f\u53d1\u8868\u4e862024\u5e74\u9996\u7bc7Science\u6587\u7ae0\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.3dptek.com\/fr\/repository\/2024-di-1-pian-3d-da-yin-science\/\" \/>\n<meta property=\"og:site_name\" content=\"\u4e09\u5e1d\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8\" \/>\n<meta property=\"article:published_time\" content=\"2024-05-22T07:21:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-22T07:21:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.3dptek.com\/wp-content\/uploads\/2024\/05\/image-15.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"771\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"3dptek\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"3dptek\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.3dptek.com\/repository\/2024-di-1-pian-3d-da-yin-science\/\",\"url\":\"https:\/\/www.3dptek.com\/repository\/2024-di-1-pian-3d-da-yin-science\/\",\"name\":\"2024\u7b2c1\u7bc73D\u6253\u5370Science - 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