{"id":167080,"date":"2019-02-15T06:30:55","date_gmt":"2019-02-14T22:30:55","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=167080"},"modified":"2019-02-14T10:19:12","modified_gmt":"2019-02-14T02:19:12","slug":"nano-letters-%e8%87%aa%e5%8d%b7%e6%9b%b2%e4%b8%89%e7%bb%b4%e7%9f%b3%e5%a2%a8%e7%83%af%e5%9c%ba%e6%95%88%e5%ba%94%e7%ae%a1%e7%94%a8%e4%bd%9c%e9%ab%98%e6%80%a7%e8%83%bd%e5%85%89%e7%94%b5","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=167080","title":{"rendered":"Nano\u00a0Letters :\u00a0\u81ea\u5377\u66f2\u4e09\u7ef4\u77f3\u58a8\u70ef\u573a\u6548\u5e94\u7ba1\u7528\u4f5c\u9ad8\u6027\u80fd\u5149\u7535\u4f20\u611f\u5668"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u5149\u7535\u4f20\u611f\u5668\u662f\u5149\u901a\u4fe1\u3001\u6210\u50cf\u3001\u4f20\u611f\u7b49\u8bb8\u591a\u9886\u57df\u7684\u6838\u5fc3\u5143\u4ef6\u3002\u77f3\u58a8\u70ef\u5177\u6709\u72ec\u7279\u7684\u96f6\u5e26\u9699\u7ed3\u6784\u3001\u8d85\u5feb\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u7b49\u4f18\u70b9\uff0c\u662f\u5236\u9020\u9ad8\u6027\u80fd\u5149\u7535\u4f20\u611f\u5668\u7684\u7406\u60f3\u6750\u6599\u3002\u4f20\u7edf\u7684\u77f3\u58a8\u70ef\u5149\u7535\u4f20\u611f\u5668\u591a\u91c7\u7528\u5e73\u9762\u4e8c\u7ef4\uff082D\uff09\u77f3\u58a8\u70ef\u573a\u6548\u5e94\u7ba1\uff08GFET\uff09\u7ed3\u6784\uff0c\u5177\u6709\u8d85\u5bbd\u7684\u5e26\u5bbd\u548c\u8d85\u5feb\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u5355\u5c42\u77f3\u58a8\u70ef\u5bf9\u5149\u7684\u5438\u6536\u7387\u5f88\u4f4e\uff08~2.3%\uff09\uff0c\u5bfc\u81f4\u4f20\u7edf2D GFET\u5149\u7535\u4f20\u611f\u5668\u7684\u54cd\u5e94\u5ea6\u5f88\u4f4e\uff08~6.3 mA\/W\uff09\u3002\u867d\u7136\u5c06\u77f3\u58a8\u70ef\u4e0e\u5149\u654f\u7269\u8d28\u76f8\u7ed3\u5408\u53ef\u4ee5\u5927\u5e45\u5ea6\u63d0\u9ad8\u5149\u7535\u4f20\u611f\u5668\u7684\u54cd\u5e94\u5ea6\uff0c\u4f46\u662f\u5e26\u5bbd\u548c\u54cd\u5e94\u901f\u5ea6\u4f1a\u4e25\u91cd\u53d7\u635f\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u5317\u4eac\u4ea4\u901a\u5927\u5b66\u9093\u6d9b<\/b><\/strong>\uff08\u7b2c\u4e00\u4f5c\u8005\u548c\u901a\u8baf\u4f5c\u8005\uff09\u4ee5\u53ca\u6e05\u534e\u5927\u5b66\u5218\u6cfd\u6587<\/b><\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba\u63d0\u51fa\u4e86\u4e00\u79cd\u5229\u7528\u6c2e\u5316\u7845\u5e94\u529b\u5c42\u9a71\u52a82D GFET\u81ea\u5377\u66f2\u4e3a\u5fae\u7ba1\u5f0f3D GFET\u7684\u65b9\u6cd5\uff0c\u9996\u6b21\u5236\u9020\u51fa\u4e86\u5377\u66f2\u5708\u6570\uff081-5\uff09\u548c\u534a\u5f84\uff0830 \u03bcm-65 \u03bcm\uff09\u7cbe\u786e\u53ef\u63a7\u76843D GFET\u5668\u4ef6\u9635\u5217\u3002\u8fd9\u79cd3D GFET\u53ef\u7528\u4f5c\u5149\u7535\u4f20\u611f\u5668\uff0c\u5de5\u4f5c\u6ce2\u957f\u8303\u56f4\u4ece\u7d2b\u5916\u5149\uff08325 nm\uff09\u533a\u57df\u4e00\u76f4\u5ef6\u4f38\u81f3\u592a\u8d6b\u5179\uff08119 \u03bcm\uff09\u533a\u57df\uff0c\u4e3a\u5df2\u7ecf\u62a5\u9053\u7684\u57fa\u4e8e\u77f3\u58a8\u70ef\u6750\u6599\u7684\u5149\u7535\u4f20\u611f\u5668\u5e26\u5bbd\u4e4b\u6700\u3002\u540c\u65f6\uff0c\u8fd9\u79cd3D GFET\u517c\u5177\u8d85\u9ad8\u7684\u54cd\u5e94\u5ea6\u548c\u8d85\u5feb\u7684\u54cd\u5e94\u901f\u5ea6\uff0c\u5728\u7d2b\u5916\u5149\u81f3\u53ef\u89c1\u5149\u533a\u57df\u7684\u54cd\u5e94\u5ea6\u53ef\u8fbe1 A\/W\u4ee5\u4e0a\uff0c\u5728\u592a\u8d6b\u5179\u533a\u57df\u7684\u54cd\u5e94\u5ea6\u9ad8\u8fbe0.23 A\/W\uff0c\u54cd\u5e94\u65f6\u95f4\u5feb\u81f3265 ns\uff08\u7eb3\u79d2\uff09\u3002\u8be5\u7814\u7a76\u6240\u63d0\u51fa\u7684\u5236\u9020\u65b9\u6cd5\u4e0d\u4ec5\u4e3a3D\u77f3\u58a8\u70ef\u5149\u7535\u5668\u4ef6\u4e0e\u7cfb\u7edf\u7684\u5b9e\u73b0\u94fa\u5e73\u4e86\u9053\u8def\uff0c\u8fd8\u53ef\u4ee5\u63a8\u5e7f\u81f3\u4e8c\u786b\u5316\u94bc\u3001\u9ed1\u78f7\u7b49\u5176\u4ed6\u7c7b\u77f3\u58a8\u70ef2D\u6676\u4f53\u6750\u6599\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201dThree-Dimensional Graphene Field-Effect Transistors as High Performance Photodetectors<\/b><\/strong>\u201d\u7684\u6587\u7ae0\u5728\u7ebf\u53d1\u8868\u5728Nano<\/b><\/strong>\u00a0Letters<\/b><\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe1 \u81ea\u5377\u66f2\u4e09\u7ef4\uff083D\uff09\u77f3\u58a8\u70ef\u573a\u6548\u5e94\u7ba1\uff08GFET\uff09\u3002<\/p>\n

\"\"<\/p>\n

(a) \u81ea\u5377\u66f2\u524d\u7684\u5e73\u9762\u4e8c\u7ef4\uff082D\uff09GFET\uff1b(b) \u81ea\u5377\u66f2\u540e\u76843D GFET\uff1b(c, d) 3D GFET\u7684\u6b63\u89c6\u56fe\u548c\u4fa7\u89c6\u56fe\uff1b(e) \u81ea\u5377\u66f2\u5708\u6570\u5206\u522b\u4e3a1\u5708\uff08\u5de6\u4e0a\uff09\u30012\u5708\uff08\u53f3\u4e0a\uff09\u30013\u5708\uff08\u5de6\u4e0b\uff09\u548c5\u5708\uff08\u53f3\u4e0b\uff09\u76843D GFET\u4fa7\u89c6\u56fe\uff1b(f) 3D GFET\u9635\u5217\u3002<\/p>\n

\u56fe2 3D GFET\u7684\u7535\u5b66\u7279\u6027\u3002<\/p>\n

\"\"<\/p>\n

(a)\u00a0\u81ea\u5377\u66f2\u524d\u3001\u540e2D GFET\u548c3D GFET\u7684\u8f93\u51fa\u7279\u6027\uff1b(b) 2D GFET\u7684\u8f93\u51fa\u7279\u6027\uff1b(c) 3D GFET\u7684\u8f93\u51fa\u7279\u6027\u3002<\/p>\n

\u56fe3 3D GFET\u5728\u7d2b\u5916\u5149\u548c\u53ef\u89c1\u5149\u533a\u57df\u7684\u5149\u7535\u7279\u6027\u3002<\/p>\n

\"\"<\/p>\n

(a)\u00a0\u5b9e\u9a8c\u88c5\u7f6e\u793a\u610f\u56fe\uff1b(b)\u00a0\u96f6\u6805\u538b\u548c\u96f6\u6e90\u6f0f\u7535\u538b\uff08V<\/i><\/em>g<\/sub>\u00a0=\u00a0V<\/i><\/em>ds<\/sub>\u00a0= 0 V\uff09\u6761\u4ef6\u4e0b2D GFET\u548c3D GFET\u7684\u5149\u7535\u6d41\u968f\u5165\u5c04\u5149\uff08\u6ce2\u957f325 nm\uff09\u529f\u7387\u53d8\u5316\uff1b(c)\u00a03D GFET\u7684\u54cd\u5e94\u5ea6\u968f\u6805\u538b\u53d8\u5316\uff1b(d)\u00a03D GFET\u7684\u54cd\u5e94\u5ea6\u968f\u6e90\u6f0f\u7535\u538b\u53d8\u5316\uff1b(e)\u00a0\u7535\u573a\u5f3a\u5ea6\u4e3aE<\/i><\/em>0<\/sub>\u00a0= 1 V\/m \u7684514 nm\u5165\u5c04\u5149\u4e0b3D GFET\u9644\u8fd1\u7684\u7535\u573a\u5f3a\u5ea6\uff08E<\/i><\/em>3D<\/sub>\uff09\u5206\u5e03\u6a21\u62df\uff1b(f) \u7d2b\u5916\u5149\u548c\u53ef\u89c1\u5149\u533a\u57df3D GFET\u7684\u54cd\u5e94\u5ea6\u548c\u7535\u573a\u5f3a\u5ea6\u589e\u5f3a\u7cfb\u6570\uff08E<\/i><\/em>3D<\/sub>\/\u00a0E<\/i><\/em>0<\/sub>\uff09\u968f\u5165\u5c04\u5149\u6ce2\u957f\u53d8\u5316\u3002\u6240\u6709\u5b9e\u9a8c\u5728\u5ba4\u6e29\u4e0b\u8fdb\u884c\u3002<\/p>\n

\u56fe4 3D GFET\u5728\u4e2d\u7ea2\u5916\u548c\u592a\u8d6b\u5179\uff08THz\uff09\u533a\u57df\u7684\u5149\u7535\u7279\u6027\u3002<\/p>\n

\"\"<\/p>\n

(a)\u00a0\u5b9e\u9a8c\u88c5\u7f6e\u793a\u610f\u56fe\uff1b(b)\u00a02.52 THz\uff08\u6ce2\u957f119 \u03bcm\uff09\u5165\u5c04\u5149\u4e0b3D GFET\u7684\u77ac\u6001\u5149\u7535\u6d41\u54cd\u5e94\uff1b(c)\u00a0\u5177\u6709\u4e0d\u540c\u81ea\u5377\u66f2\u5708\u6570\u76843D GFET\u57282.52 THz\u5149\u4e0b\u7684\u5149\u7535\u6d41\u968f\u5165\u5c04\u5149\u529f\u7387\u53d8\u5316\uff1b(d, e)\u00a0\u81ea\u5377\u66f2\u5708\u6570\u4e3a5\u5708\u76843D GFET\u5728\u6ce2\u957f\u5206\u522b\u4e3a10.6\u00a0\u03bcm\u548c96 \u03bcm\uff083.11 THz\uff09\u5165\u5c04\u5149\u4e0b\u7684\u5149\u7535\u6d41\u968f\u5149\u529f\u7387\u53d8\u5316\uff1b(f)\u00a02D GFET\u548c3D GFET\u5728\u4e2d\u7ea2\u5916\u548cTHz\u533a\u57df\u7684\u54cd\u5e94\u5ea6\u5bf9\u6bd4\u3002\u6240\u6709\u5b9e\u9a8c\u5728\u96f6\u6805\u538b\u3001\u96f6\u6e90\u6f0f\u7535\u538b\uff08V<\/i><\/em>g<\/sub>\u00a0= V<\/i><\/em>ds<\/sub>\u00a0= 0 V\uff09\u548c\u5ba4\u6e29\u6761\u4ef6\u4e0b\u8fdb\u884c\u3002<\/p>\n

\u56fe5 3D GFET\u7684\u9ad8\u901f\u5149\u7535\u54cd\u5e94\u3002<\/p>\n

\"\"<\/p>\n

(a) 3D GFET\u5728\u98de\u79d2\u8109\u51b2\u6fc0\u5149\u4e0b\u65f6\u57df\u54cd\u5e94\uff0c\u5149\u7535\u6d41\u7ecf\u4f4e\u566a\u58f0\u7535\u6d41\u653e\u5927\u5668\uff08\u5e26\u5bbd1 MHz \uff09\u540e\u7531\u5e26\u5bbd\u4e3a1 GHz\u7684\u793a\u6ce2\u5668\u8bb0\u5f55\uff1b(b) 3D GFET\u7684\u9891\u7387\u54cd\u5e94\uff0c3 dB\u5e26\u5bbd\u4e3a1.38 MHz\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u672c\u6587\u5229\u7528\u81ea\u5377\u66f2\u65b9\u6cd5\u5236\u9020\u4e86\u4e00\u79cd\u5fae\u7ba1\u5f0f\u4e09\u7ef4\u77f3\u58a8\u70ef\u573a\u6548\u5e94\u7ba1\uff0c\u53ef\u7528\u4f5c\u5149\u7535\u4f20\u611f\u5668\uff0c\u5b9e\u73b0\u5bf9\u7d2b\u5916\u5149\u3001\u53ef\u89c1\u5149\u3001\u4e2d\u7ea2\u5916\u5149\u3001\u592a\u8d6b\u5179\u6ce2\u7684\u8d85\u9ad8\u7075\u654f\u5ea6\u3001\u8d85\u5feb\u63a2\u6d4b\u3002<\/p>\n

\u6587\u7ae0\u94fe\u63a5\uff1ahttps:\/\/pubs.acs.org.ccindex.cn\/doi\/10.1021\/acs.nanolett.8b04099<\/u><\/a><\/p>\n

\u672c\u6587\u7531\u5317\u4eac\u4ea4\u901a\u5927\u5b66\u9093\u6d9b<\/b><\/strong>\u4f9b\u7a3f\uff0c<\/strong>\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7f16\u8f91\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1: tougao@cailiaoren.com.<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaorenVIP.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u5149\u7535\u4f20\u611f\u5668\u662f\u5149\u901a\u4fe1\u3001\u6210\u50cf\u3001\u4f20\u611f\u7b49\u8bb8\u591a\u9886\u57df\u7684\u6838\u5fc3\u5143\u4ef6\u3002\u77f3\u58a8\u70ef\u5177\u6709\u72ec\u7279\u7684\u96f6\u5e26\u9699\u7ed3\u6784\u3001\u8d85\u5feb\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u7b49\u4f18\u70b9\uff0c\u662f\u5236\u9020\u9ad8\u6027\u80fd\u5149\u7535\u4f20\u611f\u5668\u7684\u7406\u60f3\u6750\u6599\u3002\u4f20\u7edf\u7684\u77f3\u58a8…<\/p>\n","protected":false},"author":10213,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-167080","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/167080"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/10213"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=167080"}],"version-history":[{"count":2,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/167080\/revisions"}],"predecessor-version":[{"id":167087,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/167080\/revisions\/167087"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=167080"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=167080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}