{"id":248489,"date":"2023-03-10T08:31:46","date_gmt":"2023-03-10T00:31:46","guid":{"rendered":"\/\/m.iemloyee.com\/?p=248489"},"modified":"2023-03-10T08:31:46","modified_gmt":"2023-03-10T00:31:46","slug":"science%ef%bc%9a%e5%8d%95%e4%b8%aa%e7%9f%b3%e5%a2%a8%e7%83%af%e7%ba%b3%e7%b1%b3%e5%b8%a6%e4%b8%ad%e7%9a%84%e6%8b%93%e6%89%91%e5%b1%80%e5%9f%9f%e5%8c%96%e6%bf%80%e5%ad%90","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=248489","title":{"rendered":"Science\uff1a\u5355\u4e2a\u77f3\u58a8\u70ef\u7eb3\u7c73\u5e26\u4e2d\u7684\u62d3\u6251\u5c40\u57df\u5316\u6fc0\u5b50"},"content":{"rendered":"

Science\uff1a\u5355\u4e2a\u77f3\u58a8\u70ef\u7eb3\u7c73\u5e26\u4e2d\u7684\u62d3\u6251\u5c40\u57df\u5316\u6fc0\u5b50<\/b><\/strong><\/p>\n

\u3010\u5bfc\u8bfb\u3011<\/p>\n

\u81ea\u9996\u6b21\u8868\u9762\u5408\u6210\u4ee5\u6765\uff0c\u539f\u5b50\u7ea7\u7cbe\u786e\u7684\u77f3\u58a8\u70ef\u7eb3\u7c73\u5e26(graphene nanoribbons\uff0cGNRs)\u56e0\u5176\u62d3\u6251\u76f8\u5173\u7684\u7269\u7406\u6027\u8d28\u5f15\u8d77\u4e86\u7eb3\u7c73\u79d1\u6280\u754c\u7684\u6781\u5927\u5174\u8da3\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5b83\u4eec\u7279\u5b9a\u7684\u8fb9\u7f18\u6784\u8c61\u5177\u6709\u7279\u6b8a\u7684\u7535\u5b50\u6001\uff0c\u8fdb\u800c\u5bfc\u81f4\u975e\u5e38\u89c4\u7684\u8f93\u8fd0\u6216\u78c1\u6027\u3002\u6b64\u5916\uff0c\u5b83\u4eec\u7684\u5149\u5b66\u6027\u8d28\u5bf9\u4e8e\u5b9e\u73b0\u7a33\u5065\u53ef\u63a7\u7684\u539f\u5b50\u7ea7\u8584\u5149\u7535\u5b50\u5668\u4ef6\u5177\u6709\u91cd\u8981\u7684\u5e94\u7528\u524d\u666f\u3002\u4e8b\u5b9e\u4e0a\uff0cGNRs\u5c06\u77f3\u58a8\u70ef\u7684\u8bb8\u591a\u4f18\u5f02\u7279\u6027\u4e0e\u7535\u5b50\u5e26\u9699\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u8fd9\u5bf9\u4e8e\u8bb8\u591a\u5e94\u7528\u662f\u5fc5\u8981\u7684\uff0c\u5305\u62ec\u53d1\u5149\u5668\u4ef6\u3002\u5c3d\u7ba1\u7406\u8bba\u7814\u7a76\u8be6\u7ec6\u8ba8\u8bba\u4e86\u5982\u4f55\u901a\u8fc7\u5bbd\u5ea6\u3001\u957f\u5ea6\u548c\u8fb9\u7f18\u5f62\u72b6\u7684\u539f\u5b50\u5c3a\u5ea6\u53d8\u5316\u6765\u6709\u5229\u5730\u63a7\u5236GNRs\u7684\u5149\u5b66\u6027\u8d28\uff0c\u4f46\u5173\u4e8eGNRs\u7684\u6fc0\u5b50\u6027\u8d28\u7684\u5b9e\u9a8c\u62a5\u9053\u5f88\u5c11\uff0c\u5c24\u5176\u662f\u5173\u4e8e\u8868\u9762\u751f\u957fGNRs\u7684\u8367\u5149\u7684\u5b9e\u9a8c<\/b><\/strong>\u3002\u8fd9\u4e9b\u5b9e\u9a8c\u8981\u4e48\u5c40\u9650\u4e8e\u7cfb\u7efc\u5e73\u5747\u6d4b\u91cf\uff0c\u5176\u4e2d\u5149\u53d1\u5c04\u7531\u7f3a\u9677\u7684\u54cd\u5e94\u4e3b\u5bfc\uff0c\u8981\u4e48\u805a\u7126\u4e8e\u4e0e\u6539\u53d8GNR\u6fc0\u5b50\u7279\u6027\u7684\u91d1\u5c5e\u7535\u6781\u76f4\u63a5\u63a5\u89e6\u7684\u5355\u4e2aGNR\u3002\u4e8b\u5b9e\u4e0a\uff0c\u7531\u4e8e\u8fd9\u4e9bGNRs\u7684\u5408\u6210\u662f\u76f4\u63a5\u5728\u91d1\u5c5e\u8868\u9762\u8fdb\u884c\u7684\uff0c\u4ece\u800c\u5bfc\u81f4\u53d1\u5149\u731d\u706d\uff0c\u56e0\u6b64\u539f\u5b50\u7cbe\u786e\u7684GNRs\u7684\u672c\u5f81\u53d1\u5c04\u6027\u8d28\u4ecd\u7136\u662f\u4e00\u4e2a\u51e0\u4e4e\u6ca1\u6709\u63a2\u7d22\u7684\u9886\u57df<\/b><\/strong>\u3002<\/p>\n

 <\/p>\n

\u3010\u6210\u679c\u63a0\u5f71\u3011<\/p>\n

\u4eca\u65e5\uff0c<\/b><\/strong>\u6cd5\u56fd<\/b><\/strong>\u65af\u7279\u62c9\u65af\u5821\u5927\u5b66Song Jiang<\/b><\/strong>\u3001Guillaume Schull\u8bfe\u9898\u7ec4\u5229\u7528\u539f\u5b50\u5c3a\u5ea6\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\u63a2\u6d4b\u4e86\u91d1\u5c5e\u8868\u9762\u5408\u6210\u7684GNRs\u7684\u6fc0\u5b50\u53d1\u5c04<\/b><\/strong>\u3002\u57fa\u4e8e\u626b\u63cf\u96a7\u9053\u663e\u5fae\u955c(STM)\u7684\u65b9\u6cd5\u5c06GNRs\u8f6c\u79fb\u5230\u90e8\u5206\u7edd\u7f18\u8868\u9762\uff0c\u4ee5\u9632\u6b62\u6761\u5e26\u7684\u53d1\u5149\u731d\u706d\u3002STM\u8bf1\u5bfc\u7684\u8367\u5149\u5149\u8c31\u63ed\u793a\u4e86\u4e0eGNRs\u62d3\u6251\u672b\u7aef\u6001\u76f8\u5173\u7684\u5c40\u57df\u6697\u6fc0\u5b50\u7684\u53d1\u5c04\u3002\u89c2\u5bdf\u5230\u4e00\u4e2a\u4f4e\u9891\u7684\u632f\u52a8\u53d1\u5c04\u68b3\uff0c\u5e76\u5c06\u5176\u5f52\u56e0\u4e8e\u9650\u5236\u5728\u6709\u9650\u76d2\u5b50\u4e2d\u7684\u7eb5\u5411\u58f0\u5b66\u6a21\u5f0f\u3002\u672c\u5de5\u4f5c\u7684\u7814\u7a76\u4e3a\u7814\u7a76\u77f3\u58a8\u70ef\u7eb3\u7c73\u7ed3\u6784\u4e2d\u6fc0\u5b50\u3001\u632f\u52a8\u5b50\u548c\u62d3\u6251\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u63d0\u4f9b\u4e86\u4e00\u6761\u9014\u5f84\u3002\u76f8\u5173\u8bba\u6587\u4ee5\u9898\u4e3a\u201cTopologically localized excitons in single graphene nanoribbons<\/i><\/em>\u201d\u53d1\u8868\u5728Science<\/i><\/em>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u00a0<\/b><\/strong><\/p>\n

\u3010\u6570\u636e\u6982\u51b5\u3011<\/p>\n

\"\"<\/p>\n

\u56fe1. \u6765\u81ea\u89e3\u8026(7,m)AGNRs\u7684STML<\/b><\/strong>\u00a9 2023 AAAS<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/b><\/strong>2<\/b><\/strong>. (7,m)AGNRs\u7684\u5c40\u57df\u6fc0\u5b50\u53d1\u5c04\u00a9 2023 AAAS<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/b><\/strong>3<\/b><\/strong>. \u957f\u5ea6\u589e\u52a0\u7684(7,m)AGNRs\u4e2d\u6fc0\u5b50\u4e0e\u7eb5\u5411\u58f0\u5b66\u6a21\u5f0f\u7684\u8026\u5408\u00a9 2023 AAAS<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/b><\/strong>4<\/b><\/strong>. (7,m)AGNR\u632f\u52a8\u5149\u8c31\u7684\u6307\u7eb9\u533a\u00a9 2023 AAAS<\/b><\/strong><\/p>\n

 <\/p>\n

\u3010\u6210\u679c\u542f\u793a\u3011<\/p>\n

 <\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c<\/b><\/strong>\u672c\u5de5\u4f5c<\/b><\/strong>\u7684\u539f\u5b50\u7ea7\u5206\u8fa8\u8367\u5149\u6d4b\u91cf\u63ed\u793a\u4e86\u4f4d\u4e8e(7,m)AGNRs\u62d3\u6251\u672b\u7aef\u7684\u957f\u5bff\u547d\u6697\u6fc0\u5b50\u7684\u5c16\u9510(\u22480.6 meV)\u53d1\u5c04<\/b><\/strong>\u3002\u8fd9\u4e9b\u5c40\u57df\u7684\u53d1\u5c04\u4e2d\u5fc3\u4e0e\u4e00\u7ef4\u58f0\u5b66\u58f0\u5b50\u6a21\u5f0f\u8026\u5408\uff0c\u5728\u6574\u4e2a\u6761\u5e26\u4e0a\u79bb\u57df\u3002\u5c40\u57df\u5728\u7edd\u7f18\u4f53\u548c\/\u6216\u534a\u5bfc\u4f53\u4e2d\u7684\u53d1\u5149\u4e2d\u5fc3\uff0c\u5982\u56fa\u4f53\u4e2d\u7684\u8272\u5fc3\u6216\u7f3a\u9677\uff0c\u5e38\u88ab\u7528\u4f5c\u91cf\u5b50\u4f20\u611f\u548c\u91cf\u5b50\u6280\u672f\u5e94\u7528\u4e2d\u7279\u522b\u611f\u5174\u8da3\u7684\u5355\u5149\u5b50\u6e90\u6216\u7ea0\u7f20\u5149\u5b50\u6e90\u3002\u4e0e\u4f20\u7edf\u7684\u56fa\u6001\u91cf\u5b50\u53d1\u5c04\u5668\u76f8\u6bd4\uff0cGNRs\u4e2d\u7684\u62d3\u6251\u5c40\u57df\u4e2d\u5fc3\u7684\u4e00\u4e2a\u4f18\u70b9\u662f\uff0c\u901a\u8fc7\u5bf9GNR\u7684\u77ed\u8fb9\u548c\u957f\u8fb9\u7684\u5316\u5b66\u5de5\u7a0b\uff0c\u53ef\u4ee5\u8c03\u8282\u5149\u5b50\u6e90\u7684\u6570\u91cf\u548c\u4f4d\u7f6e\uff0c\u4ece\u800c\u4e3a\u8c03\u8282\u6e90\u95f4\u8026\u5408\u548c\u63a7\u5236\u7ecf\u5178\u548c\u91cf\u5b50\u53d1\u5c04\u7279\u6027\u63d0\u4f9b\u4e86\u4e00\u6761\u6709\u6548\u7684\u9014\u5f84\u3002\u63a5\u4e0b\u6765\u7684\u5de5\u4f5c\u91cd\u70b9\u5c06\u662f\u8bc6\u522b\u62d3\u6251\u5c40\u57df\u4e2d\u5fc3\u53d1\u5c04\u7684\u5355\u5149\u5b50\u6e90\u7279\u6027\u5e76\u8868\u5f81\u5176\u6027\u80fd\u3002\u6b64\u5916\uff0c(7,m)AGNRs\u7684\u6bcf\u4e2a\u62d3\u6251\u7aef\u6001\u90fd\u6709\u4e00\u4e2a\u672a\u914d\u5bf9\u7684\u7535\u5b50\uff0c\u56e0\u6b64\u662f\u81ea\u65cb\u6781\u5316\u7684\uff0c\u4ece\u800c\u4e3a\u7ed3\u5408\u7535\u5b50\u3001\u78c1\u6027\u548c\u5149\u5b50\u81ea\u7531\u5ea6\u7684\u91cf\u5b50\u65b9\u6848\u63d0\u4f9b\u4e86\u6709\u673a\u7eb3\u7c73\u5c3a\u5ea6\u7684\u89e3\u51b3\u65b9\u6848<\/b><\/strong>\u3002\u8fd9\u4e9bGNRs\u4e5f\u53ef\u4ee5\u88ab\u89c6\u4e3a\u7406\u60f3\u7684\u539f\u5b50\u63a7\u5236\u5e73\u53f0\uff0c\u4ee5\u539f\u5b50\u5c3a\u5ea6\u7684\u7a7a\u95f4\u7cbe\u5ea6\u8bc6\u522b\u6fc0\u5b50-\u58f0\u5b50\u8026\u5408\u5bf9\u91cf\u5b50\u5355\u5143(de)\u76f8\u5e72\u6027\u7684\u4f5c\u7528\u3002\u6700\u540e\uff0cGNR\u7684\u4e24\u7aef\u53ef\u4ee5\u88ab\u7279\u5b9a\u9009\u62e9\u7684\u53d1\u8272\u56e2\u529f\u80fd\u5316\uff0c\u4ee5\u786e\u5b9a\u79bb\u57df\u7684\u58f0\u5b66\u58f0\u5b50\u6a21\u5f0f\u662f\u5426\u4f1a\u5f71\u54cd\u53d1\u8272\u56e2\u5076\u6781\u5b50\u4e4b\u95f4\u7684\u76f8\u5e72\u8026\u5408\uff0c\u4ee5\u53ca\u5149\u6355\u83b7\u590d\u5408\u7269\u4e2d\u7684\u7535\u5b50-\u632f\u52a8\u6df7\u5408\u3002<\/p>\n

 <\/p>\n

\u6587\u732e\u94fe\u63a5\uff1ahttps:\/\/www.science.org\/doi\/10.1126\/science.abq6948<\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Science\uff1a\u5355\u4e2a\u77f3\u58a8\u70ef\u7eb3\u7c73\u5e26\u4e2d\u7684\u62d3\u6251\u5c40\u57df\u5316\u6fc0\u5b50 \u3010\u5bfc\u8bfb\u3011 \u81ea\u9996\u6b21\u8868\u9762\u5408\u6210\u4ee5\u6765\uff0c\u539f\u5b50\u7ea7\u7cbe\u786e\u7684\u77f3\u58a8\u70ef\u7eb3\u7c73\u5e26(graphene nanoribbons\uff0cGNRs)…<\/p>\n","protected":false},"author":34419,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[4837,4827,4272],"class_list":["post-248489","post","type-post","status-publish","format-standard","hentry","category-jiedu","category-keji","tag-4837","tag-4827","tag-4272"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/248489"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/34419"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=248489"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/248489\/revisions"}],"predecessor-version":[{"id":248496,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/248489\/revisions\/248496"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=248489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=248489"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=248489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}