{"id":227523,"date":"2021-09-27T06:30:16","date_gmt":"2021-09-26T22:30:16","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=227523"},"modified":"2021-09-26T17:43:31","modified_gmt":"2021-09-26T09:43:31","slug":"nature-materials-%e6%9c%89%e6%9c%ba%e5%8d%8a%e5%af%bc%e4%bd%93%e4%b8%ad%e7%9a%84%e4%ba%8c%e7%bb%b4%e7%a9%ba%e7%a9%b4%e6%b0%94%e4%bd%93","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=227523","title":{"rendered":"Nature Materials: \u6709\u673a\u534a\u5bfc\u4f53\u4e2d\u7684\u4e8c\u7ef4\u7a7a\u7a74\u6c14\u4f53"},"content":{"rendered":"

Nature Materials: <\/strong>\u6709\u673a\u534a\u5bfc\u4f53\u4e2d\u7684\u4e8c\u7ef4\u7a7a\u7a74\u6c14\u4f53<\/strong><\/a><\/p>\n

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

\u534a\u5bfc\u4f53\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u91d1\u5c5e\u6c14\u4f53\uff0c\u4e5f\u79f0\u4e3a\u4e8c\u7ef4\u7535\u5b50\u6c14\u6216\u4e8c\u7ef4\u7a7a\u7a74\u6c14\uff0c\u662f\u63a2\u7d22\u51dd\u805a\u6001\u7269\u7406\u57fa\u672c\u539f\u7406\u548c\u5f00\u53d1\u9ad8\u6027\u80fd\u5668\u4ef6\u7684\u8ff7\u4eba\u5e73\u53f0\u3002\u5728\u8fc7\u53bb\u768440\u5e74\u91cc\uff0c\u7814\u7a76\u8005\u5df2\u7ecf\u5e7f\u6cdb\u5730\u5728\u5316\u5408\u7269\u534a\u5bfc\u4f53\u4e4b\u95f4\u7684\u754c\u9762\u4e0a\u4ee5\u53ca\u5728\u6c27\u5316\u7269\u7edd\u7f18\u4f53\u4e4b\u95f4\u7684\u754c\u9762\u4e0a\u53d1\u73b0\u4e86\u4e8c\u7ef4\u7535\u5b50\u6c14\uff0c\u8fd9\u4e00\u53d1\u73b0\u5bf9\u4e8e\u6df1\u5165\u7406\u89e3\u975e\u51e1\u7535\u5b50\u6001\u63d0\u4f9b\u4e86\u91cd\u8981\u601d\u8def\uff0c\u5e76\u5df2\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u9ad8\u9891\u5668\u4ef6(\u6700\u5177\u4ee3\u8868\u6027\u7684\u4f8b\u5b50\u662f\u9ad8\u7535\u5b50\u8fc1\u79fb\u7387\u6676\u4f53\u7ba1)\u3002\u7136\u800c\uff0c\u76ee\u524d\u7814\u7a76\u8005\u60f3\u8981\u5728p\u578b\u754c\u9762\u4e0a\u4f7f\u7528\u5b83\u4eec\u7684\u5bf9\u5e94\u7269(\u5373\u4e8c\u7ef4\u7a7a\u7a74\u6c14)\u5374\u4ecd\u7136\u53d7\u5230\u9650\u5236\u3002\u4e8c\u7ef4\u7a7a\u7a74\u6c14\u7684\u7f3a\u4e4f\u53d7\u5230\u4f20\u7edf\u534a\u5bfc\u4f53\u5f02\u8d28\u754c\u9762\u7684\u7ecf\u5178\u7269\u7406\u5b66\u6027\u8d28\u7684\u9650\u5236\uff0c\u5373\u5bbd\u9699\u534a\u5bfc\u4f53\u901a\u5e38\u5177\u6709\u91cd\u4ef7\u5e26\uff0c\u5bfc\u81f4\u4f4e\u7684\u7a7a\u7a74\u8fc1\u79fb\u7387\u548c\u6df1\u7684\u4ef7\u5e26\uff0c\u4ece\u800c\u6291\u5236\u4e86\u4e8c\u7ef4\u7a7a\u7a74\u6c14\u7684\u5f62\u6210\u3002\u6b64\u5916\uff0c\u539f\u5b50\u5c3a\u5ea6\u7cbe\u5ea6\u7684\u6676\u683c\u8fde\u7eed\u6027\u3001\u6781\u6027\u4e0d\u8fde\u7eed\u6027\u3001\u60ac\u7a7a\u952e\u7684\u6781\u7aef\u6d88\u9664\u6548\u5e94\u548c\u60ac\u7a7a\u952e\u7684\u8fc7\u5269\u7535\u5b50\u7b49\u56e0\u7d20\u4e5f\u4f1a\u6291\u5236\u7a7a\u7a74\u7684\u4f20\u8f93\u3002<\/p>\n

\u00a0\u00a0\u9ad8\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u4e0b\u7684\u91d1\u5c5e\u76f8\u5728\u6709\u673a\u534a\u5bfc\u4f53\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\u3002\u6700\u8fd1\u7684\u7814\u7a76\u8868\u660e\uff0c\u6ca1\u6709\u4efb\u4f55\u60ac\u7a7a\u952e\u7684\u81ea\u7ec4\u88c5\u5206\u5b50\u53ef\u4ee5\u6784\u5efa\u9ad8\u5ea6\u5468\u671f\u6027\u7684\u9759\u7535\u52bf\uff0c\u751a\u81f3\u5728\u8303\u5fb7\u534e\u952e\u5206\u5b50\u6676\u4f53\u4e2d\u4e5f\u5b9e\u73b0\u4e86\u76f8\u5e72\u80fd\u5e26\u7a7a\u7a74\u7cfb\u7edf\u3002\u5c3d\u7ba1\u6700\u8fd1\u5728\u6750\u6599\u79d1\u5b66\u548c\u5370\u5237\u6280\u672f\u9886\u57df\u6210\u529f\u5730\u83b7\u5f97\u4e86\u5355\u6676\u5f62\u5f0f\u7684\u6709\u673a\u534a\u5bfc\u4f53\uff0c\u4f46\u76ee\u524d\u8fd8\u6ca1\u6709\u5728\u6709\u673a\u534a\u5bfc\u4f53\u4e2d\u89c2\u5bdf\u5230\u660e\u663e\u7684\u91d1\u5c5e\u6c14\u4f53\u72b6\u6001\u3002<\/p>\n

\u3010\u7814\u7a76\u8fdb\u5c55\u3011<\/strong><\/p>\n

\u00a0\u00a0\u8fd1\u65e5\uff0c\u65e5\u672c\u4e1c\u4eac\u5927\u5b66<\/strong>Jun Takeya<\/strong>\u548cShun Watanabe (<\/strong>\u5171\u540c\u901a\u8baf\u4f5c\u8005)<\/strong>\u5728Nature Materials<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u76ee\u4e3a\u201cTwo-dimensional hole gas in organic semiconductors<\/strong>\u201d\u7684\u6587\u7ae0<\/strong>\u3002\u9996\u6b21\u62a5\u9053\u4e86\u6eb6\u6db2\u6cd5\u5236\u5907\u4e86\u57fa\u4e8e\u5355\u6676\u6709\u673a\u534a\u5bfc\u4f53\u7684\u4e8c\u7ef4\u7a7a\u7a74\u6c14\u3002\u7814\u7a76\u8bc1\u660e\uff0c\u5728\u73af\u5883\u538b\u529b\u4e0b\uff0c\u6eb6\u6db2\u5904\u7406\u7684\u5355\u6676\u6709\u673a\u534a\u5bfc\u4f53\u4e2d\u5b58\u5728\u91d1\u5c5e-\u7edd\u7f18\u4f53\u8f6c\u53d8\u3002\u5728\u8fd9\u4e2a\u6709\u673a\u534a\u5bfc\u4f53\u4e2d\uff0c\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u8fbe\u52301\u00d71014 <\/sup>cm\u22122<\/sup>\u7684\u7a7a\u7a74\u6c14\u53ef\u4ee5\u9650\u5236\u5728\u6709\u673a\u534a\u5bfc\u4f53(OSC)\/\u7535\u53cc\u5c42(EDL)\u754c\u9762\u4e0a\u3002\u5e76\u4e14\u89c2\u5bdf\u5230\u660e\u663e\u7684\u91d1\u5c5e\u7279\u5f81\uff0c\u5728T=15 K\u7684\u6e29\u5ea6\u4e0b\uff0c\u6700\u5c0f\u7535\u963b\u4e3a6 K\u03a9\uff08\u4f4e\u4e8e\u4e8c\u7ef4\u91cf\u5b50\u503ch\/e2<\/sup><\/em>\uff09\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe1 <\/strong>\u5728C8<\/sub>-DNBDT-NW<\/strong>\u7684\u5355\u6676\u53cc\u5c42\u4e0a\u5f62\u6210EDL<\/strong><\/p>\n

\"\"<\/p>\n

(a-b) \u4e0d\u542b\u70f7\u57fa\u4fa7\u94fe\u7684C8<\/sub>-DNBDT-NW\u7684\u5316\u5b66\u7ed3\u6784\uff08a\uff09\u548c\u6676\u4f53\u7ed3\u6784\uff08b\uff09\uff1b<\/p>\n

(c) \u8fde\u7eed\u8fb9\u7f18\u94f8\u9020\u65b9\u6cd5\u793a\u610f\u56fe\uff1b<\/p>\n

(d) \u5149\u5b66\u663e\u5fae\u955c\u56fe\u50cf\uff0c\u5176\u4e2d\u901a\u9053\u957f\u5ea6\u548c\u5bbd\u5ea6\u5206\u522b\u8bbe\u8ba1\u4e3a250 \u03bcm\u548c60\u03bcm\uff1b<\/p>\n

(e) \u5f53\u524dC8<\/sub>-DNBDT-NW EDL\u6e90\u7535\u6781\u793a\u610f\u56fe\uff1bD\u3001 \u6f0f\u6781\uff1bG\u3001 \u6805\u6781\u7535\u6781\uff1b<\/p>\n

(f) \u79bb\u5b50\u6db2\u4f53\/C8<\/sub>-DNBDT-NW\u754c\u9762\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe2 <\/strong>\u4f7f\u7528EDLTs<\/strong>\u5b9e\u73b0\u9ad8\u8f7d\u6d41\u5b50\u5bc6\u5ea6<\/strong><\/p>\n

\"\"<\/p>\n

(a) T=260 K\u65f6\u7684\u4f20\u8f93\u7279\u6027\uff1b<\/p>\n

(b) \u5728T=180 K\u65f6\uff0c\u5728\u4e0d\u540cVG<\/sub>\u4e0b\uff0c\u76f8\u5bf9\u4e8e\u5916\u90e8\u78c1\u573aB\u7684\u970d\u5c14\u7535\u963bRxy<\/sub>\u66f2\u7ebf\uff1b<\/p>\n

(c-e) VG<\/sub>\u548c\u65b9\u963b\u7684\u5173\u7cfb\uff1b<\/p>\n

\u56fe3 C8<\/sub>-DNBDT-NW\u7684\u91d1\u5c5e-\u7edd\u7f18\u4f53\u8fc7\u6e21<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5728\u4e0d\u540cVG<\/sub>\u4e0b\uff0c\u65b9\u963b\u7684\u6e29\u5ea6\u4f9d\u8d56\u6027\uff1b<\/p>\n

(b) \u7535\u5bfc\u7387\u91cf\u5b50e2<\/sup>\/h\u5f52\u4e00\u5316\u7684\u03c3sheet<\/sub>\u7684VG<\/sub>\u4f9d\u8d56\u6027\uff1b<\/p>\n

(c) C8<\/sub>-DNBDT-NW\u4ef7\u5e26\u7684\u80fd\u5e26\u8272\u6563\u548c\u79ef\u5206\u6001\u5bc6\u5ea6\uff1b<\/p>\n

\u56fe4 C8<\/sub>-DNBDT-NW\u7684\u970d\u5c14\u6548\u5e94\u6d4b\u91cf<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u4e0d\u540cnHall<\/sub><\/em>\u4e0b\u03bcHall<\/sub><\/em>\u7684T\u4f9d\u8d56\u6027\uff08T=180 K\uff09\uff1b<\/p>\n

(b) \u970d\u5c14\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u7684T\u4f9d\u8d56\u6027nHall<\/sub><\/em>= (eRH<\/sub>)\u22121<\/sup>\u5728\u4e0d\u540c\u7684VG<\/sub>\u3002<\/p>\n

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

\u8be5\u62a5\u544a\u5b9e\u73b0\u4e86\u5ba4\u6e29\u4e0b\u4e00\u6b21\u6027\u5370\u5237OSCs\u58a8\u6c34\uff0c\u901a\u8fc7\u81ea\u7ec4\u88c5\u7684\u7b56\u7565\u5236\u5907\u4e86\u4e8c\u7ef4\u5206\u5b50\u7eb3\u7c73\u7247\uff0c\u5176\u5927\u9762\u79ef\u8986\u76d6\u7387\u53ef\u8fbe100 cm2<\/sup>\u3002\u8fd9\u9879\u7814\u7a76\u514b\u670d\u4e86OSCs\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u9759\u6001\u65e0\u5e8f\uff0c\u8bc1\u660e\u4e86OSC\u5728\u5e38\u538b\u4e0b\u80fd\u591f\u5b9e\u73b0\u91d1\u5c5e-\u7edd\u7f18\u4f53\u8f6c\u53d8\u3002\u6240\u89c2\u5bdf\u7684\u4e8c\u7ef4\u7a7a\u7a74\u6c14\u7684\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u9ad8\u8fbe\u6bcf\u5206\u5b500.25\u4e2a\u7a7a\u7a74\uff0c\u7247\u72b6\u7535\u963b\u660e\u663e\u4f4e\u81f36 k\u03a9\u3002\u5e76\u4e14\u89c2\u5bdf\u5230\u76f8\u5bf9\u8f83\u5927\u7684rS <\/sub><\/em>(\u8861\u91cf\u7535\u5b50\u76f8\u5173\u6027\u7684\u4e00\u4e2a\u7279\u5f81\u53c2\u6570)\uff0c\u8fd9\u610f\u5473\u7740\u8fd9\u79cd\u9ad8\u63ba\u6742\u7684OSC\u53ef\u4ee5\u88ab\u5f52\u5165\u5f3a\u76f8\u5173\u7684\u4e8c\u7ef4\u7cfb\u7edf\u3002\u6b64\u5916\uff0c\u968f\u6e29\u5ea6\u53d8\u5316\u7684\u970d\u5c14\u7cfb\u6570\u8868\u660e\u4e86\u4f4e\u6e29\u4e0b\u7684\u7535\u5b50\u5173\u8054\u3002\u7814\u7a76\u8005\u8ba4\u4e3a\u672c\u7814\u7a76\u4e2d\u63d0\u51fa\u7684\u6709\u673a\u4e8c\u7ef4\u7a7a\u7a74\u6c14\u5c06\u6210\u4e3a\u5bf9OSC\u4e2d\u7535\u5b50\u72b6\u6001\u7684\u57fa\u672c\u7406\u89e3\u662f\u4e00\u4e2a\u91cc\u7a0b\u5f0f\u7684\u7814\u7a76\u8fdb\u5c55\uff0c\u6b64\u5916\uff0cEDL\u586b\u5145\u7684\u53ef\u8c03\u8c10\u8f7d\u6d41\u5b50\u4e5f\u5bf9\u4e8e\u6709\u673a\u534a\u5bfc\u4f53\u6750\u6599\u5b9e\u9a8c\u548c\u7406\u8bba\u7814\u7a76\u5177\u6709\u91cd\u8981\u7684\u4fc3\u8fdb\u4f5c\u7528\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aTwo-dimensional hole gas in organic semiconductors<\/a>, 2021, Nature Materials, doi: 10.1038\/s41563-021-01074-4<\/p>\n","protected":false},"excerpt":{"rendered":"

Nature Materials: \u6709\u673a\u534a\u5bfc\u4f53\u4e2d\u7684\u4e8c\u7ef4\u7a7a\u7a74\u6c14\u4f53 \u3010\u5f15\u8a00\u3011 \u534a\u5bfc\u4f53\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u91d1\u5c5e\u6c14\u4f53\uff0c\u4e5f\u79f0\u4e3a\u4e8c\u7ef4\u7535\u5b50\u6c14\u6216\u4e8c\u7ef4\u7a7a\u7a74\u6c14\uff0c\u662f\u63a2\u7d22\u51dd\u805a\u6001\u7269\u7406\u57fa\u672c\u539f\u7406\u548c\u5f00…<\/p>\n","protected":false},"author":2114,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[],"class_list":["post-227523","post","type-post","status-publish","format-standard","hentry","category-jiedu","category-keji"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/227523"}],"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\/2114"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=227523"}],"version-history":[{"count":1,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/227523\/revisions"}],"predecessor-version":[{"id":227528,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/227523\/revisions\/227528"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=227523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=227523"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=227523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}