{"id":94558,"date":"2017-08-06T06:30:07","date_gmt":"2017-08-05T22:30:07","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=94558"},"modified":"2017-08-04T22:32:56","modified_gmt":"2017-08-04T14:32:56","slug":"nature-materials%ef%bc%9a%e5%af%8c%e5%8b%92%e7%83%af%e5%b0%81%e8%a3%85%e8%b0%83%e5%88%b6%e5%8d%95%e4%b8%aa%e7%a2%b3%e7%ba%b3%e7%b1%b3%e7%ae%a1%e7%9a%84%e7%83%ad%e5%92%8c%e7%83%ad%e4%bc%a0%e8%be%93","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=94558","title":{"rendered":"Nature Materials\uff1a\u5bcc\u52d2\u70ef\u5c01\u88c5\u8c03\u5236\u5355\u4e2a\u78b3\u7eb3\u7c73\u7ba1\u7684\u70ed\u548c\u70ed\u4f20\u8f93\u6027\u80fd"},"content":{"rendered":"

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

\u8fd1\u5e74\u6765\uff0c\u9762\u5bf9\u4eba\u7c7b\u5bf9\u80fd\u6e90\u65e5\u76ca\u589e\u957f\u7684\u9700\u6c42\u548c\u5316\u77f3\u80fd\u6e90\u7684\u65e5\u76ca\u67af\u7aed\uff0c\u53d1\u5c55\u53ef\u6301\u7eed\u80fd\u6e90\u8feb\u5728\u7709\u776b\u3002\u70ed\u7535\u6750\u6599\u6210\u4e3a\u4e86\u56fd\u5185\u5916\u7814\u7a76\u7684\u70ed\u70b9\u8bfe\u9898\u3002\u81ea19\u4e16\u7eaa\u521d\u53d1\u73b0\u534a\u5bfc\u4f53\u6750\u6599\u7684Seebeck\u6548\u5e94\u548cPeltier\u6548\u5e94\u4ee5\u6765\uff0c\u70ed\u7535\u6750\u6599\u5982\u96e8\u540e\u6625\u7b0b\u822c\u5728\u6750\u6599\u7814\u7a76\u754c\u5927\u91cf\u51fa\u73b0\u3002\u7136\u800c\uff0c\u53d7\u9650\u4e8e\u8f83\u4f4e\u7684\u70ed\u7535\u8f6c\u5316\u6548\u7387\uff0c\u70ed\u7535\u6750\u6599\u76ee\u524d\u7684\u5e94\u7528\u4ec5\u9650\u4e8e\u5982\u5916\u592a\u7a7a\u63a2\u6d4b\u5668\u7b49\u4e00\u4e9b\u5229\u57fa\u5e02\u573a\u3002\u63d0\u9ad8\u70ed\u7535\u8f6c\u5316\u6548\u7387\u7684\u6838\u5fc3\u662f\u63d0\u9ad8\u70ed\u7535\u4f18\u503cZT\uff0c\u4e5f\u5c31\u662f\u63d0\u9ad8\u70ed\u7535\u6750\u6599\u7684\u7535\u5bfc\u7279\u6027\u540c\u65f6\u964d\u4f4e\u6750\u6599\u7684\u70ed\u5bfc\u7387\u3002\u5c01\u88c5\u5206\u5b50\u5bf9\u5355\u4e2a\u78b3\u7eb3\u7c73\u7ba1(CNTs)\u70ed\u6027\u80fd\u7684\u6f5c\u5728\u5f71\u54cd\u4e00\u76f4\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u5f00\u653e\u6027\u95ee\u9898\u3002\u5728\u70ed\u4f20\u8f93\u5fae\u89c2\u7ed3\u6784\u4e2d\u5b9e\u73b0CNTs\u5c01\u88c5\u5206\u5b50\u5bf9\u70ed\u6027\u80fd\u8c03\u5236\u5e76\u6ca1\u6709\u5f97\u5230\u5b9e\u9a8c\u8bc1\u5b9e\u3002\u7136\u800c\uff0cCNTs\u5728\u80fd\u91cf\u8f6c\u6362\u53ca\u70ed\u7ba1\u7406\u65b9\u9762\u7684\u5e7f\u6cdb\u5e94\u7528\u800c\u53d7\u5230\u5173\u6ce8\u3002\u5355\u4e2aCNTs\u7684\u7279\u6027\u8c03\u5236\u662f\u7279\u522b\u6709\u8da3\u7684\u5de5\u4f5c\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6750\u6599\u6027\u80fd\u7684\u63d0\u9ad8\u548c\u65b0\u5e94\u7528\u7684\u53d1\u73b0\u3002CNTs\u7684\u5173\u952e\u7279\u6027\u662f\u7eb3\u7c73\u7ea7\u7684\u5185\u8154\uff0c\u6700\u65b0\u5316\u5b66\u5de5\u827a\u4f7f\u5f97\u5c06\u5404\u79cd\u6750\u6599\u63d2\u5165\u5230\u5185\u90e8\u7a7a\u95f4\uff0c\u4f8b\u5982\uff1a\u4e0d\u540c\u7c7b\u578b\u7684\u78b3\u7eb3\u7c73\u6750\u6599\u3001\u6709\u673a\u5206\u5b50\u548c\u7eb3\u7c73\u7c92\u5b50\uff0c\u4ece\u800c\u5b9e\u73b0\u6750\u6599\u70ed\u7535\u6027\u80fd\u7684\u63d0\u9ad8\u3002\u4ee5\u524d\u5de5\u4f5c\u4e2d\u5bcc\u52d2\u70ef\u5c01\u88c5\u53ef\u4ee5\u8c03\u5236CNTs\u7684\u70ed\u6027\u80fd\u3002\u7136\u800c\uff0c\u5c01\u88c5\u5206\u5b50\u5bf9\u5355\u4e2a\u78b3\u7eb3\u7c73\u7ba1\u7684\u70ed\u4f20\u8f93\u7279\u6027\u7684\u5f71\u54cd\u8fd8\u672a\u89c1\u62a5\u9053\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u65af\u5766\u798f\u5927\u5b66<\/strong>Takashi Kodama<\/strong>\u548c<\/strong>Kenneth E. Goodson<\/strong>\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u5408\u4f5c\u7814\u53d1\u4e86\u4ee5\u5355\u4e2aCNTs\u4e3a\u7814\u7a76\u5bf9\u8c61\uff0c\u5206\u522b\u5229\u7528C60<\/sub>\uff0cGd@C82<\/sub>\u548cEr2<\/sub>@C82<\/sub>\u5bf9\u5355\u4e2aCNTs\u8fdb\u884c\u5c01\u88c5\uff0c\u4ece\u800c\u5728\u7ed3\u6784\u4e0a\u5b9e\u73b0\u4e86\u70ed\u6027\u80fd\u7684\u4f20\u8f93\uff0c\u5e76\u6d4b\u91cf\u4e09\u79cd\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff08\u03ba\uff09\u548c\u70ed\u7535\u52bf\uff08S\uff09\u3002\u540c\u65f6\uff0c\u4e0e\u7a7a\u5fc3CNTs\u70ed\u6027\u80fd\u5728\u5ba4\u6e29\u6761\u4ef6\u4e0b\u8fdb\u884c\u5bf9\u6bd4\uff0c\u4e09\u79cd\u4e0d\u540c\u6750\u6599\u5c01\u88c5\u5355\u4e2aCNTs\u5f15\u8d77\u70ed\u5bfc\u7387\u51cf\u5c0f35-55\uff05\uff0cS\u589e\u52a0\u7ea640\uff05\u3002\u03ba\u7684\u5cf0\u503c\u968f\u7740\u6e29\u5ea6\u4ece40\u5230320K\u53d1\u751f\u53d8\u5316\u4e14\u5411\u8f83\u4f4e\u6e29\u5ea6\u79fb\u52a8\u3002\u5b9e\u9a8c\u6570\u636e\u4e0e\u6a21\u62df\u8ba1\u7b97\u5bcc\u52d2\u70ef\u5c01\u88c5\u7684CNTs\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u662f\u4e00\u81f4\u7684\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u00a0\u201c<\/strong>Modulation of thermal and thermoelectric transport in individual carbon nanotubes by fullerene encapsulation<\/strong>\u201d<\/strong>\u00a0\u5728Nature Materials<\/strong>\u53d1\u8868\u3002<\/p>\n

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

\u56fe<\/strong>1<\/strong>\uff1a\u6d4b\u91cf\u88c5\u7f6e\u548c\u5c01\u88c5\u7684<\/strong>CNTs<\/strong>\u7684\u793a\u610f\u56fe\uff0c<\/strong>SEM<\/strong>\u548c<\/strong>TEM<\/strong><\/p>\n

\"\"<\/p>\n

a \u5236\u9020\u7684\u6d4b\u91cf\u88c5\u7f6e\u7684\u793a\u610f\u56fe\uff08\u5de6\uff09\u548c\u7528\u4e8e\u6d4b\u91cfCNT\u7684\u70ed\u5bfc\u7387\uff08\u03ba\uff09\u548c\u70ed\u7535\u7684\u60ac\u6d6e\u5fae\u7ed3\u6784\u7684\u4ee3\u8868\u6027SEM\u56fe\u50cf\uff08\u53f3\uff09\uff1b<\/p>\n

b SEM\u56fe\u50cf\u7684\u60ac\u6d6e\u03ba\u6d4b\u91cf\u88c5\u7f6e\u5f00\u53d1\u7684\u5236\u9020\u5de5\u827a\u7684\u793a\u610f\u6027\u5de5\u827a\u6d41\u7a0b\u3002\u5de6\u8fb9\u662f\u7814\u7a76\u4e2d\u4f7f\u7528\u7684\u4e94\u79cdCNT\u7684TEM\u56fe\u50cf\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a\u5ba4\u6e29\u4e0b\u6d4b\u91cf\u7684\u5c01\u88c5\u7684<\/strong>CNT<\/strong>\u675f\u7684\u70ed\u5bfc\u7387\uff08\u03ba\uff09\u548c\u70ed\u7535\u52bf\uff08<\/strong>S<\/strong>\uff09<\/strong><\/p>\n

\"\"<\/p>\n

a\uff0cb\uff0c\u03ba\uff08a\uff09\u548cS\uff08b\uff09\u4f5c\u4e3a\u76f4\u5f84\u7684\u51fd\u6570\u3002\u865a\u7ebf\u8868\u793a\u5728\u4e0d\u540c\u6837\u54c1\u4e4b\u95f4\u4f30\u8ba1\u7684SWNT\u7684\u5e73\u5747\u03ba\u548cS\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a\u5c01\u88c5\u7684<\/strong>CNT<\/strong>\u675f\u7684\u70ed\u5bfc\u7387\uff08\u03ba\uff09\u548c\u7535\u52bf\uff08<\/strong>S<\/strong>\uff09\u4e0e\u6e29\u5ea6\u4f9d\u8d56\u6027\u4e4b\u95f4\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

a\u5c01\u88c5\u7684CNT\u675f\u7684\u03ba\u7684\u6e29\u5ea6\u4f9d\u8d56\u6027\uff1b<\/p>\n

b \u5c01\u88c5\u7684CNT\u675f\u7684S\u7684\u6e29\u5ea6\u4f9d\u8d56\u6027\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a\u5c01\u88c5<\/strong>SWNT<\/strong>\u6837\u54c1\u6a21\u62df<\/strong><\/p>\n

\"\"<\/p>\n

a \u4f5c\u4e3a\u03b1int\uff08= dint \/ dmax\uff0c\u5176\u4e2ddint =\uff08dmax-df\uff09\/2\uff09\u7684\u51fd\u6570\u7684T = 300K\u65f6\u7684C60<\/sub>\u78f7\u7070\u77f3\u7684\u70ed\u5bfc\u7387\uff08\u03ba\uff09\uff1b<\/p>\n

b C60<\/sub> peapod\u7684\u58f0\u5b50\u8272\u6563\u5173\u7cfb\u4e0e\u03b1int\u7684\u53d8\u5316\uff1b<\/p>\n

c \u4f5c\u4e3a\u03b1int\u548c\u6e29\u5ea6\u7684\u51fd\u6570\u7684C60<\/sub> peapod\u7684\u70ed\u5bb9\u91cf\uff1b<\/p>\n

d \u7531\u5bcc\u52d2\u70ef\u5c01\u88c5\u5f15\u8d77\u7684X=\u03c3\uff08\u5b9e\u7ebf\uff09\u548cX=S\uff08\u865a\u7ebf\uff09\u7684\u53d8\u5316\u6bd4\uff08Xcnt<\/sub>-Xpea<\/sub>\uff09\/Xcnt\u4f5c\u4e3a\u5316\u5b66\u52bf\u7684\u51fd\u6570\u3002<\/p>\n

\u3010\u7ed3\u8bba\u3011<\/strong><\/p>\n

\u672c\u6587\u63d0\u51fa\u4e86CNTs\u4e0e\u5c01\u88c5\u6750\u6599\u4e4b\u95f4\u7684\u5f3a\u76f8\u4e92\u4f5c\u7528\uff0c\u5f15\u8d77\u6291\u5236\u03ba\u548c\u589e\u5f3aS\u3002\u901a\u8fc7\u5c01\u88c5\u5206\u5b50\u7684\u53d8\u5316\u53ef\u80fd\u8fdb\u4e00\u6b65\u8c03\u5236CNT\u7684\u70ed\u6027\u80fd\u3002\u540c\u65f6\u57fa\u4e8e\u672c\u5f81\u6750\u6599\u7684\u4f4e\u70ed\u5bfc\u7279\u6027\u548cCNT\u57fa\u70ed\u7535\u6750\u6599\uff0cCNTs\u7ba1\u95f4\u7ed3\u7684\u70ed\u4f20\u9012\u901a\u5e38\u5bf9\u6750\u6599\u5bfc\u70ed\u6027\u80fd\u4ea7\u751f\u5f88\u5927\u7684\u5f71\u54cd\u3002\u5355\u4e2aCNT\u7684\u5bfc\u7535\u6027\u80fd\u5c06\u5f71\u54cd\u4f53\u6750\u6599\u6027\u8d28\u3002\u968f\u673a\u53d6\u5411\u5bfc\u81f4\u03c3\u964d\u4f4e\u5e76\u9650\u5236CNT\u7684\u5bc6\u5ea6\uff0c\u8fd9\u5bf9\u4e8e\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6750\u6599\u6027\u80fd\u662f\u5fc5\u8981\u7684\u3002\u6b64\u5916\uff0c\u7ba1\u95f4\u7ed3\u7684S\u4e3b\u8981\u7531\u5355\u4e2aCNT\u7684S\u51b3\u5b9a\u3002\u5355\u4e2aCNT\u70ed\u7535\u6027\u8d28\u7684\u8c03\u5236\u5bf9\u4e8e\u6750\u6599\u7684\u5e94\u7528\u4e5f\u662f\u91cd\u8981\u7684\u3002\u672c\u5de5\u4f5c\u65e8\u5728\u5f00\u53d1\u5bcc\u52d2\u70ef\u5c01\u88c5\u8c03\u5236\u5355\u4e2aCNTs\u7684\u9ad8\u6027\u80fd\u70ed\u7535\u6750\u6599\uff0c\u4e3a\u4ee5\u540e\u7684\u70ed\u7535\u6750\u6599\u7814\u7a76\u63d0\u4f9b\u65b0\u601d\u8def\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong> Modulation of thermal and thermoelectric transport in individual carbon nanotubes by fullerene encapsulation<\/a>\uff08Nature Materials, 2017, DOI: 10.1038\/nmat4946\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u6750\u6599\u5b66\u672f\u7ec4\u575a\u6bc5\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406<\/strong>\u3002\u6b22\u8fce\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u6750\u6599\u5b66\u672f\u4ea4\u6d41\u7fa4\uff08228686798\uff09\uff01<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790<\/strong>\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

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