{"id":83806,"date":"2017-05-28T09:00:57","date_gmt":"2017-05-28T01:00:57","guid":{"rendered":"\/\/m.iemloyee.com\/?p=83806"},"modified":"2017-05-27T21:33:32","modified_gmt":"2017-05-27T13:33:32","slug":"nat-nanotech-%ef%bc%9a%e8%b0%90%e6%8c%af%e7%83%ad%e7%94%b5%e7%ba%b3%e7%b1%b3%e5%85%89%e5%ad%90","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=83806","title":{"rendered":"Nature Nanotechnology \u8c10\u632f\u70ed\u7535\u7eb3\u7c73\u5149\u5b50"},"content":{"rendered":"

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

\u5149\u7535\u63a2\u6d4b\u4e00\u822c\u57fa\u4e8e\u534a\u5bfc\u4f53\u7ed3\u6784\u4e2d\u7535\u5b50\u7a7a\u7a74\u5bf9\u7684\u5149\u7535\u54cd\u5e94\u6216\u8f90\u5c04\u70ed\u6d4b\u5b9a\u5668\u5728\u4f4e\u4e8e\u80fd\u9699\u7684\u6ce2\u957f\u5438\u6536\u3002\u5728\u8fd9\u4e24\u79cd\u60c5\u51b5\uff0c\u8c10\u632f\u7b49\u79bb\u5b50\u548c\u7eb3\u7c73\u5149\u5b50\u7ed3\u6784\u6210\u529f\u7684\u7528\u4ee5\u63d0\u9ad8\u5149\u7535\u63a2\u6d4b\u6027\u80fd\u3002\u7b49\u79bb\u5b50\u4f53\u6fc0\u53d1\u9700\u8981\u5728\u7eb3\u7c73\u5c3a\u5ea6\u4e0a\u5b9e\u73b0\u6781\u5927\u7684\u5149\u9650\u57df\uff0c\u5728\u4e9a\u6ce2\u957f\u533a\u57df\u5185\u9650\u57df\u80fd\u91cf\u4ece\u800c\u63d0\u9ad8\u5149\u7535\u6216\u5149\u654f\u8bbe\u5907\u7684\u5438\u6536\u3002\u4f46\u7b49\u79bb\u5b50\u4f53\u8870\u51cf\u4f1a\u5bfc\u81f4\u80fd\u91cf\u8f6c\u53d8\u6210\u70ed\uff0c\u8fd9\u5bf9\u5149\u7535\u63a2\u6d4b\u5668\u7684\u6027\u80fd\u6765\u8bf4\u662f\u6781\u4e3a\u4e0d\u5229\u7684\u3002\u7136\u800c\u8c10\u632f\u4e9a\u6ce2\u957f\u7eb3\u7c73\u7ed3\u6784\u4e2d\u4ea7\u751f\u7684\u70ed\u4e5f\u662f\u7535\u538b\u4ea7\u751f\u7684\u80fd\u91cf\u6e90\u3002\u5c3d\u7ba1\u70ed\u7535\u8bbe\u5907\u5df2\u7528\u4ee5\u5728\u8d35\u91d1\u5c5e\u8584\u819c\u548c\u5fae\u7535\u6781\u5438\u6536\u8c10\u632f\u8026\u5408\u8868\u9762\u7b49\u79bb\u5b50\u4f53\u6fc0\u5143\uff0c\u5e76\u5728\u53cc\u91d1\u5c5e\u5f00\u53e3\u73af\u8c10\u632f\u5668\u4e0a\u4ea7\u751f\u8d85\u901f\u5f3a\u78c1\u8109\u51b2\u3002\u4f46\u5e76\u6ca1\u6709\u5728\u529f\u80fd\u70ed\u7535\u7eb3\u7c73\u5149\u5b50\u7ed3\u6784\u4e2d\u4f5c\u4e3a\u8c10\u632f\u5438\u6536\u5668\u6210\u529f\u5e94\u7528\u3002<\/p>\n

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

\u7f8e\u56fd\u52a0\u5dde\u7406\u5de5\u5b66\u9662Harry A. Atwater<\/strong>\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u7528\u4ee5\u8c10\u632f\u5149\u8c31\u9009\u62e9\u6027\u5438\u6536\u7684\u4e9a\u6ce2\u957f\u70ed\u7535\u7eb3\u7c73\u7ed3\u6784\uff0c\u80fd\u4ea7\u751f\u5f88\u5927\u672a\u805a\u7126\u7684\u5c40\u57df\u6e29\u5ea6\u68af\u5ea6\u548c\u7a7a\u95f4\u5747\u5300\u5149\u7167\u6765\u4ea7\u751f\u70ed\u7535\u7535\u538b\u3002\u8bc1\u5b9e\u8fd9\u6837\u7684\u7ed3\u6784\u53ef\u4ee5\u8c03\u63a7\u5e76\u7528\u4ee5\u7279\u5b9a\u6ce2\u957f\u63a2\u6d4b\uff0c\u5bf9\u6bd4\u5165\u5c04\u5149\uff0c\u8f93\u5165\u529f\u7387\u54cd\u5e94\u7387\u9ad8\u8fbe38 V W-1<\/sup>\uff0c\u5e26\u5bbd\u63a5\u8fd13 kHz\u3002\u8fd9\u662f\u901a\u8fc7\u7ed3\u5408\u5177\u5355\u4e2a\u60ac\u6302\u819c\u7ed3\u6784\u7684\u8c10\u632f\u5438\u6536\u5668\u548c\u70ed\u7535\u5076\u83b7\u5f97\uff0c\u4ea7\u751f\u80fd\u9699\u63a7\u5236\u7684\u5149\u7535\u63a2\u6d4b\u673a\u5236\u3002\u6240\u62a5\u9053\u7684\u78b2\u5316\u94cb\/\u78b2\u5316\u9511\u548c\u954d\u94ec\/\u954d\u94dd\u7ed3\u6784\u4f5c\u4e3a\u7528\u4ee5\u5149\u7535\u5e94\u7528\u5982\u65e0\u80fd\u9699\u9650\u5236\u7684\u8d85\u5149\u8c31\u548c\u5bbd\u9891\u5149\u7535\u63a2\u6d4b\u5668\u7684\u8c10\u632f\u7eb3\u7c73\u5149\u5b50\u70ed\u7535\u6750\u6599\u6709\u7740\u91cd\u8981\u610f\u4e49\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u9898\u4e3a\u201cResonant thermoelectric nanophotonics\u201d<\/strong>\u4e8eNat. Nanotech.<\/strong>\u4e0a\u53d1\u8868\u3002<\/p>\n

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

\u56fe\u4e00\u3001\u5bfc\u6a21\u5171\u632f\u548c\u6563\u70ed\u8bbe\u8ba1<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5bfc\u6a21\u5171\u632f\u7ed3\u6784\u8bbe\u8ba1\u6982\u5ff5\u56fe<\/p>\n

(b) 40 nm\u9ad8\uff0c100 nm\u5bbd\u7684Sb2<\/sub>Te3<\/sub>\u7ebf\uff0c\u95f4\u8ddd488 nm\u6392\u5e03\uff0cSb2<\/sub>Te3<\/sub>\u7ebf\u4e2d\u5fc3\u548c\u8fb9\u7f18\u95f4\u7684\u7406\u8bba\u5438\u6536A\u548c\u6e29\u5dee\u0394T\u3002<\/p>\n

(c) \u5438\u6536\u5cf0\u5904\u7535\u573a\u622a\u9762\u5468\u671f\u7ed3\u6784\uff0c\u6ce2\u77e2k\uff0c\u671d\u5411\u5165\u5c04\u5149\u65b9\u5411\u3002\u6807\u5c3a1\u03bcm\u3002Sb2<\/sub>Te3<\/sub>\u7ebf\u6700\u9ad8|E|\u51fa\u73b0\u5f15\u8d77\u5149\u5438\u6536\uff0c\u5e73\u677f\u5927\u91cf\u53cd\u5c04\u5149\u4ea7\u751f\u5fc5\u8981\u7684\u6e29\u5ea6\u68af\u5ea6\u3002<\/p>\n

(d) c\u6a21\u62df\u56fe\u6cbf\u7740\u5207\u7ebf\u529f\u7387\u5bc6\u5ea6\u5438\u6536\uff0c\u8bbe\u5907\u4e00\u534a\u4e3aSb2<\/sub>Te3<\/sub>\uff0c\u53e6\u4e00\u534a\u4e3aBi2<\/sub>Te3<\/sub>\u5f15\u8d77\u4e0d\u5bf9\u79f0\u3002\u529f\u7387\u5bc6\u5ea6\u4e3a\u5165\u5c04\u529f\u7387\u9664\u4ee5\u70ed\u7535\u7ed3\u6784\u4f53\u79ef\u3002<\/p>\n

(e) Sb2<\/sub>Te3<\/sub>\/Bi2<\/sub>Te3<\/sub>\u7ed3\u6784\u5728\u5165\u5c04\u529f\u738720\u03bcW\uff0c\u5438\u6536\u5cf0\u5904\u7684\u70ed\u6a21\u62df\u3002\u6807\u5c3a500\u03bcm\uff08\u4e3b\u56fe\uff09\uff1b50\u03bcm\uff08\u63d2\u56fe\uff09\u3002<\/p>\n

(f) \u5e26\u6709Au\u89e6\u5934p\/n\u70ed\u7535\u7ed3\u6784\u7684SEM\u4f2a\u8272\u56fe\uff0c\u6807\u5c3a20\u03bcm\uff0c\u63d2\u56fe\u4e3aBi2<\/sub>Te3<\/sub>\/ Sb2<\/sub>Te3<\/sub>\u7ebf\u7ed3\uff0c\u6807\u5c3a1\u03bcm\u3002<\/p>\n

\u56fe\u4e8c\u3001\u5bfc\u6a21\u5171\u632f\u7ed3\u6784\u8bbe\u8ba1\u7684\u70ed\u7535\u6750\u6599\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u572850-nmSiO2<\/sub>\/100-nm SiNx<\/sub>\u6ce2\u5bfc\uff0c\u753140 nm\u539a\u300168 nm\u5bbd\u7684\u7ebf\u3001\u95f4\u8ddd488 nm\u6392\u5e03\u7ec4\u6210\uff0c\u5bfc\u6a21\u5171\u632f\u7ed3\u6784\u4e2d\u4e0d\u540c\u7ebf\u6750\u6599\u7684\u5438\u6536\u5149\u8c31\u5bf9\u6bd4\u3002<\/p>\n

(b-e) Sb2<\/sub>Te3<\/sub>\u7ebf\uff0c\u5bfc\u6a21\u5171\u632f\u7ed3\u6784\u5168\u6ce2\u6bb5\u6a21\u62df\u3002b-d\uff0c\u5438\u6536\u5cf0\u3002c-e\uff0c\u6700\u5c0f\u5438\u6536\u4f4d\u3002b-c\uff0c\u7535\u573a\u5206\u5e03\u6bd4\u4e0a\u521d\u7535\u573a\u3002d-e\uff0c\u529f\u7387\u5438\u6536\u5bc6\u5ea6\uff0cPabs<\/sub>=1\/2\u03c9\u03b5\u2032\u2032|E|2<\/sup>\u9664\u4ee5\u521d\u529f\u7387P0<\/sub>\u3002<\/p>\n

\u56fe\u4e09\u3001\u5bfc\u6a21\u5171\u632f\u7ed3\u6784\u7406\u8bba\u548c\u5b9e\u9a8c\u7684\u8d85\u8c31\u5438\u6536\u8c03\u63a7\u6027<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5bfc\u6a21\u5171\u632f\u7ed3\u6784\u3002<\/p>\n

(b-c) 60 nm\u5bbd(b)\u548c100 nm\u5bbd(c)\u3001 \u539a\u5ea640 nm\u7684\u7ebf\u572850-nmSiO2<\/sub>\/100-nm SiNx<\/sub>\u6ce2\u5bfc\uff0c\u4e0d\u540c\u95f4\u8ddd\u4e0b\u7684\u5438\u6536\u503c\u3002<\/p>\n

(d) \u5b9e\u9a8c\u5438\u6536\u503c\uff08\u9ed1\u70b9\uff09\uff0c\u6a21\u62df\u5438\u6536\u503c\u5bf9\u5e94\u4e8e\u5b9e\u9a8c\u5c3a\u5bf8\uff08\u84dd\u7ebf\uff09\u3002\u6a21\u62df\u5f97\u5230\u7684\u5438\u6536\u503c\u5bf9\u5e94\u4e8e\u572850-nmSiO2<\/sub>\/100-nm SiNx<\/sub>\u6ce2\u5bfc\uff0c\u4e0d\u540c\u95f4\u8ddd\u4e0b\u7684\u9002\u914d\u548c\u7b49\u6bd4\u4f8b\u5438\u6536\u5149\u8c31\u3002<\/p>\n

(e) \u572850-nmSiO2<\/sub>\/100-nm SiNx<\/sub>\u60ac\u6302\u819c\u4e0a\uff0c40 nm \u539aSb2<\/sub>Te3<\/sub>\u7ebf\u7684\u6ce2\u957f-\u95f4\u8ddd\u5438\u6536\u6781\u56fe\u3002<\/p>\n

(f) \u572850-nmSiO2<\/sub>\/100-nm SiNx<\/sub>\u60ac\u6302\u819c\u4e0a\uff0c50 nm \u539a\uff0c300 nm\u5bbd\u7684Sb2<\/sub>Te3<\/sub>\u7ebf\u7684\u5438\u6536\u5149\u8c31\u3002<\/p>\n

(g) \u572850-nmSiO2<\/sub>\/100-nm SiNx<\/sub>\u60ac\u6302\u819c\u4e0a\uff0c50 nm \u539a\uff0c15 \u03bcm\u5bbd\u7684Bi2<\/sub>Te3<\/sub>\u7ebf\u7684\u4e2d\u7ea2\u5916\u5438\u6536\u5149\u8c31\u3002<\/p>\n

\u56fe\u56db\u3001\u968f\u65f6\u95f4\u3001\u89d2\u5ea6\u548c\u9891\u8c31\u5f71\u54cd\u7684\u7ed3\u6784\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5728\u4e3b\u57fa\u4f5340 nm\u539a130 nm\u5bbd50 \u03bcm\u957f\u7684Bi2<\/sub>Te3<\/sub>\/ Sb2<\/sub>Te3<\/sub>\u7ebf\u7ed3\u6784\u4e0a\uff0c0\u00b0\u30015\u00b0\u548c10\u00b0\uff08\u8bef\u5dee\u00b11\u00b0\uff09\u5165\u5c04\u5149\u4e0b\u7684\u5438\u6536\uff080\u00b0\u548c5\u00b0\uff09\u6216\u900f\u5c04\uff08\u04ac\uff09\uff0810\u00b0\uff09\u3002<\/p>\n

(b) \u5177120 \u03bcm\u00d7100 \u03bcm\u5149\u6591\u5c3a\u5bf8\uff0c\u6574\u4e2a\u7ed3\u6784\u57280\u00b0\u30015\u00b0\u548c10\u00b0\uff08\u8bef\u5dee\u00b11\u00b0\uff09\u659c\u5165\u5c04\u4e0b\u7684\u54cd\u5e94\u548c\u7a7a\u95f4\u4e0d\u5747\u5300\u8f90\u5c04\u3002<\/p>\n

(c) \u53ea\u6709\u4e00\u4e2a\u7ed3\uff0860 \u03bcm\u00d75 \u03bcm\u5149\u6591\uff09\u7684\u6700\u5927\u54cd\u5e94\u3002<\/p>\n

(d) \u57280\u00b0\uff08\u8bef\u5dee\u00b11\u00b0\uff09\u79bb\u4f4d\u89d2\u805a\u7126\u7167\u660e\u4e0b\uff0cBi2<\/sub>Te3<\/sub>\/ Sb2<\/sub>Te3<\/sub>\u7ed3\u6784\u7684\u70ed\u7535\u7535\u538b\uff08TEV\uff09-\u5165\u5c04\u529f\u7387\u56fe\u3002<\/p>\n

(e) Bi2<\/sub>Te3<\/sub>\/ Sb2<\/sub>Te3<\/sub>\u7ed3\u6784\u7684\u65f6\u95f4\u54cd\u5e94\u3002<\/p>\n

(f-g) \u566a\u58f0\u8c31\u5bc6\u5ea6\uff08NSD\uff09\u548c\u566a\u58f0\u7b49\u6548\u529f\u7387\uff08NEP\uff09\u968f\u6ce2\u957f\u7684\u53d8\u5316\uff0c\u4e0eb\u56fe\u6570\u636e\u76f8\u5bf9\u5e94\u3002<\/p>\n

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

\u672c\u6587\u5c06\u7eb3\u7c73\u5149\u5b50\u548c\u70ed\u7535\u6027\u7ed3\u5408\uff0c\u901a\u8fc7\u9ad8\u5149\u9650\u57df\u6765\u63a7\u5236\u7eb3\u7c73\u5c3a\u5ea6\u533a\u57df\u5185\u7684\u6e29\u5ea6\u68af\u5ea6\uff0c\u4ea7\u751f\u7a7a\u95f4\u5747\u5300\u5149\u7167\u4e0b\u9ad8\u6ce2\u957f\u63a7\u5236\u7684\u70ed\u7535\u7535\u538b\u3002\u8fd9\u79cd\u6ce2\u957f\u63a7\u5236\u53ef\u5b9e\u73b0\u51e0\u4f55\u8c03\u63a7\uff0c\u5728\u4e00\u4e2a\u82af\u7247\u4e0a\u4ece\u53ef\u89c1\u5149\u5230\u7ea2\u5916\uff0c\u80fd\u6253\u7834\u80fd\u9699\u9650\u5236\u3001\u65e0\u9700\u964d\u6e29\u3001\u6ee4\u6ce2\u5668\u7684\u53cc\u6750\u6599\u5206\u5149\u3002\u7531\u4e8e\u533a\u57df\u5c0f\uff0c\u53ef\u4ee5\u8f83\u4f20\u7edf\u70ed\u7535\u63a2\u6d4b\u5668\u63d0\u901f100\u500d\u3002\u901a\u8fc7\u7ebf\u60ac\u6302\uff0c\u70ed\u70b9\u5806\u3001\u6700\u4f73\u70ed\u7535\u6750\u6599\u6216\u6e29\u5ea6\u7ba1\u7406\u53ef\u63d0\u9ad8\u54cd\u5e94\u7387\uff0c\u800c\u7f29\u5c0f\u5438\u6536\u5668\u5c3a\u5bf8\u5e76\u51cf\u5c11\u54cd\u5e94\u65f6\u95f4\u3002\u8fd9\u5c06\u6269\u5bbd\u65b0\u7684\u975e\u5236\u51b7\u81ea\u8fc7\u6ee4\u5149\u63a2\u6d4b\u7ed3\u6784\u9886\u57df\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aResonant thermoelectric nanophotonics<\/a>\uff08Nat. Nanotech.\uff0c2017\uff0cDOI\uff1a10.1038\/nnano.2017.87\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u5927\u9ed1\u5929\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

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