{"id":195287,"date":"2020-02-02T06:00:01","date_gmt":"2020-02-01T22:00:01","guid":{"rendered":"\/\/m.iemloyee.com\/?p=195287"},"modified":"2020-01-31T22:55:43","modified_gmt":"2020-01-31T14:55:43","slug":"195287","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=195287","title":{"rendered":"\u6fb3\u5927\u5229\u4e9a\u5357\u6606\u58eb\u5170\u5927\u5b66\u9648\u5fd7\u521a\u6559\u6388\u548c\u6606\u58eb\u5170\u5927\u5b66\u90b9\u8fdb\u6559\u6388\u8bfe\u9898\u7ec4JACS: \u63a2\u7a76Seebeck\u7cfb\u6570\u7684\u9ec4\u91d1\u8303\u56f4\u4ee5\u6307\u5bfc\u70ed\u7535\u6750\u6599\u7684\u6027\u80fd\u4f18\u5316\u8bbe\u8ba1"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n 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\u00b5VK-1<\/sup>\u8303\u56f4\uff0c\u5fc5\u5bf9\u5e94\u8be5\u6e29\u5ea6\u4e0b\u6700\u4f18zT\u503c\u3002\u8be5\u53d1\u73b0\u53ef\u666e\u904d\u5e94\u7528\u4e8e\u5757\u4f53\u534a\u5bfc\u4f53\u70ed\u7535\u6750\u6599\uff0c\u56e0\u6b64\u53ef\u79f0\u4e3aSeebeck\u9ec4\u91d1\u8303\u56f4\u3002\u5229\u7528\u8fd9\u9879\u7406\u8bba\u6210\u679c\uff0c\u4ee5n\u578bPbSe\u57fa\u6750\u6599\u4e3a\u4f8b\uff0c\u7814\u7a76\u8005\u6210\u529f\u63d0\u5347\u5176\u70ed\u7535\u6027\u80fd\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u7814\u7a76\u8005\u4eec\u9996\u5148\u5206\u6790\u4e86\u8d85\u8fc7100\u79cd\u4e0d\u540c\u70ed\u7535\u6750\u6599\u4f53\u7cfb\u7684\u6027\u80fd\uff0c\u53d1\u73b0\u62a5\u9053\u7684\u6700\u5927\u529f\u7387\u56e0\u5b50\u548c\u70ed\u7535\u4f18\u503c\u90fd\u5bf9\u5e94\u8f83\u5c0f\u8303\u56f4\u7684Seebeck\u3002\u53d7\u6b64\u542f\u53d1\uff0c\u7814\u7a76\u8005\u4eec\u8bd5\u56fe\u5efa\u7acb\u4e00\u79cdSeebeck\u8303\u56f4\uff0c\u53ef\u666e\u904d\u9002\u7528\u4e8e\u534a\u5bfc\u4f53\u5757\u4f53\u70ed\u7535\u6750\u6599\uff0c\u6765\u5224\u65ad\uff08\u4ece\u4f18\u5316\u8d39\u7c73\u80fd\u7ea7\u89d2\u5ea6\uff09\u70ed\u7535\u6027\u80fd\u662f\u5426\u6700\u5927\u5316\u3002\u6a21\u62df\u5206\u6790\u6307\u51fa\uff0c\u5f71\u54cd\u529f\u7387\u56e0\u5b50\u5bf9\u5e94\u7684\u6700\u4f18\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u7684\u56e0\u7d20\u662f\u7ea6\u5316\u7981\u5e26\u5bbd\u5ea6\uff1b\u5f71\u54cd\u70ed\u7535\u4f18\u503c\u5bf9\u5e94\u7684\u6700\u4f18\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u7684\u56e0\u7d20\u5305\u62ec\u7981\u5e26\u5bbd\u5ea6\u3001\u7535\u5bfc\u7387\u6743\u91cd\u3001\u6676\u683c\u70ed\u5bfc\u7387\u3002\u5f53\u8fd9\u4e9b\u5f71\u54cd\u56e0\u7d20\u5728\u4e00\u4e2a\u8db3\u591f\u5bbd\u7684\u8303\u56f4\u5185\uff08\u5305\u542b\u7edd\u5927\u591a\u6570\u70ed\u7535\u6750\u6599\u4f53\u7cfb\uff09\u53d8\u5316\uff0c\u7cfb\u7edf\u6027\u6a21\u62df\u5206\u6790\u8868\u660e\uff0c\u6700\u5927\u5316\u7684\u6700\u5927\u529f\u7387\u56e0\u5b50\u548c\u70ed\u7535\u4f18\u503c\u5206\u522b\u5bf9\u5e94Seebeck\u5728195-202\u548c203-230 \u00b5VK-1<\/sup>\u8303\u56f4\u3002\u5b58\u5728\u8fd9\u79cd\u5173\u8054\u6027\u7684\u672c\u8d28\u539f\u56e0\u662fa)\u6700\u5927\u5316\u7684\u529f\u7387\u56e0\u5b50\u548c\u70ed\u7535\u4f18\u503c\u5bf9\u5e94\u7684\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u4f4d\u4e8e\u4ef7\u5e26\u6216\u5bfc\u5e26\u7684\u8fb9\u7f18\u9644\u8fd1\uff0c\u5e76\u5728\u5f88\u5c0f\u8303\u56f4\u5185\u53d8\u5316\uff1bb)\u5728\u8d39\u7c73\u80fd\u7ea7\u4f18\u5316\u7684\u60c5\u51b5\u4e0b\uff08\u53cc\u6781\u6027\u6548\u5e94\u53ef\u5ffd\u7565\uff09\uff0cSeebeck\u662f\u5173\u4e8e\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u7684\u5355\u8c03\u51fd\u6570\u3002\u5f97\u5230\u7684Seebeck\u8303\u56f4\u53ef\u666e\u904d\u9002\u7528\u4e8e\u534a\u5bfc\u4f53\u70ed\u7535\u6750\u6599\uff0c\u5176\u4e2d\u7684\u81ea\u7531\u8f7d\u6d41\u5b50\u5206\u5e03\u7531Fermi-Dirac\u51fd\u6570\u63cf\u8ff0\uff0c\u8f7d\u6d41\u5b50\u7684\u4f20\u8f93\u53ef\u7531\u73bb\u5c14\u5179\u66fc\u65b9\u7a0b\u63cf\u8ff0\u3002<\/p>\n \u76f8\u5173\u7684\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cEstablishing the Golden Range of Seebeck Coefficient for Maximizing Thermoelectric Performance\u201d\u53d1\u8868\u5728Journal of the American Chemical Society\u6742\u5fd7\u4e0a\u3002\u8bba\u6587\u7b2c\u4e00\u4f5c\u8005\u662f\u5357\u6606\u58eb\u5170\u5927\u5b66\u6d2a\u654f\u535a\u58eb(ARC DECRA Fellow)\uff0c\u901a\u8baf\u4f5c\u8005\u662f\u5357\u6606\u58eb\u5170\u5927\u5b66\u9648\u5fd7\u521a\u6559\u6388\u548c\u6606\u58eb\u5170\u5927\u5b66\u90b9\u8fdb\u6559\u6388\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n Figure 1\u5bf9\u62a5\u9053\u7684\u70ed\u7535\u6027\u80fd\u4f18\u5316\u53ca\u5bf9\u5e94\u7684Seebeck\u7cfb\u6570\u7684\u7edf\u8ba1\u5206\u6790\u3002<\/p>\n (a)\u4f18\u5316\u7684\u529f\u7387\u56e0\u5b50\u5bf9\u5e94\u7684Seebeck\u8303\u56f4\uff1b(b)\u4f18\u5316\u7684\u70ed\u7535\u4f18\u503c\u5bf9\u5e94\u7684Seebeck\u8303\u56f4\uff1b(c) Seebeck\u5173\u4e8e\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u7684\u8ba1\u7b97\u66f2\u7ebf\uff0c\u5229\u7528\u53cc\u80fd\u5e26\u6a21\u578b\uff0c\u4e0d\u540c\u7684\u66f2\u7ebf\u5bf9\u5e94\u4e0d\u540c\u7684\u7ea6\u5316\u7981\u5e26\u5bbd\u5ea6\uff1b(d)\u56fe(c)\u7684\u653e\u5927\u89c6\u56fe\uff0c\u5176\u4e2d\u7684\u63d2\u56fe\u662fSeebeck\u5173\u4e8e\u7ea6\u5316\u7981\u5e26\u5bbd\u5ea6\u7684\u8ba1\u7b97\u66f2\u7ebf\uff0c\u4e0d\u540c\u7684\u66f2\u7ebf\u5bf9\u5e94\u4e0d\u540c\u7684\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u3002<\/p>\n Figure 2\u6700\u4f18\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u7684\u5f71\u54cd\u56e0\u7d20\u3002<\/p>\n (a)\u5f52\u4e00\u5316\u7684\u529f\u7387\u56e0\u5b50\u548c(b)\u5f52\u4e00\u5316\u7684zT\u5173\u4e8e\u7ea6\u5316\u7981\u5e26\u5bbd\u5ea6\u548c\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u7684\u4e09\u7ef4\u7b49\u9ad8\u7ebf\u56fe\uff1b(c)\u5f52\u4e00\u5316\u7684\u529f\u7387\u56e0\u6b64\u5173\u4e8e\u7535\u5bfc\u7387\u6743\u91cd\u548c\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u7684\u4e09\u7ef4\u7b49\u9ad8\u7ebf\u56fe\uff1b(d)\u5f52\u4e00\u5316\u7684zT\u5173\u4e8e\u6676\u683c\u70ed\u5bfc\u7387\u548c\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u7684\u4e09\u7ef4\u7b49\u9ad8\u7ebf\u56fe\u3002<\/p>\n Figure 3\u7814\u7a76\u6700\u4f18\u8d39\u7c73\u80fd\u7ea7\u548c\u5bf9\u5e94\u7684Seebeck\u8303\u56f4\u3002<\/p>\n (a)\u6700\u4f18\u8d39\u7c73\u80fd\u7ea7\u5173\u4e8e\u7ea6\u5316\u7981\u5e26\u5bbd\u5ea6\u7684\u66f2\u7ebf\uff0c(b)\u5bf9\u5e94\u7684Seebeck\u5173\u4e8e\u7ea6\u5316\u7981\u5e26\u5bbd\u5ea6\u7684\u66f2\u7ebf\u3002\u7c89\u7ea2\u8272\u7684\u66f2\u7ebf\u5bf9\u5e94\u529f\u7387\u56e0\u5b50\uff0c\u5176\u4f59\u66f2\u7ebf\u5bf9\u5e94zT\u3002<\/p>\n Figure 4\u7535\u955c\u8868\u5f81\u5408\u6210\u7684n\u578bPbSe\u57fa\u6750\u6599\u7684\u5fae\u89c2\u7ed3\u6784\u3002<\/p>\n Figure 5\u6d4b\u91cf\u7684\u70ed\u5bfc\u7387\u53ca\u6676\u683c\u70ed\u5bfc\u7387\u5206\u6790\u3002<\/p>\n Figure 6\u6d4b\u91cf\u7684\u529f\u7387\u56e0\u5b50\u548czT\u503c\u3002<\/p>\n Figure 7\u8ba1\u7b97\u7684\u80fd\u5e26\u7ed3\u6784\u3002<\/p>\n Figure 8\u4ece\u7ea6\u5316\u8d39\u7c73\u80fd\u7ea7\u89d2\u5ea6\u5206\u6790\u5b9e\u9a8c\u6570\u636e\uff0c\u53cd\u5e94Seebeck\u548c\u6700\u4f18\u70ed\u7535\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n Figure 9\u57fa\u4e8e\u53cc\u80fd\u5e26\u6a21\u578b\u8ba1\u7b97\u7684\u66f2\u7ebf\u548c\u6d4b\u91cf\u503c\u7684\u6bd4\u8f83\u3002<\/p>\n Figure 10\u4ece\u970d\u5c14\u8f7d\u6d41\u5b50\u6d53\u5ea6\u89d2\u5ea6\u5206\u6790\u6d4b\u91cf\u7684\u70ed\u7535\u6027\u80fd\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u7814\u7a76\u8005\u4eec\u53d1\u73b0\u6700\u4f18\u7684\u70ed\u7535\u6027\u80fd\u603b\u662f\u5bf9\u5e94\u4e00\u4e2a\u8f83\u5c0f\u8303\u56f4\u7684Seebeck\uff0c\u8be5\u7406\u8bba\u53d1\u73b0\u4e5f\u88ab\u5b9e\u9a8c\u8bc1\u5b9e\u3002\u503c\u5f97\u8bf4\u660e\u7684\u662f\uff0c\u4f18\u5316\u7684\u70ed\u7535\u6027\u80fd\u5bf9\u5e94\u7684Seebeck\u53ea\u4f1a\u5728\u6b64\u8303\u56f4\u5185\u6ce2\u52a8\uff0c\u4e0d\u4f1a\u975e\u5e38\u5927\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u70ed\u7535\u6027\u80fd\uff0c\u9700\u4ece\u63d0\u5347\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u548c\u964d\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\u4e24\u4e2a\u65b9\u9762\u8fdb\u884c\u3002\u8be5\u7814\u7a76\u6210\u679c\uff0c\u53ef\u7528\u4e8e\u5feb\u901f\u5224\u65ad\u534a\u5bfc\u4f53\u5757\u4f53\u70ed\u7535\u6750\u6599\u7684\u8d39\u7c73\u80fd\u7ea7\u662f\u5426\u5f97\u5230\u4f18\u5316\uff1b\u8fd8\u53ef\u4e3a\u5757\u4f53\u70ed\u7535\u5668\u4ef6\u7684\u5de5\u4e1a\u751f\u4ea7\u63d0\u4f9b\u4e00\u79cd\u57fa\u4e8e\u7ecf\u9a8c\u7684\u70ed\u7535\u6027\u80fd\u8bca\u65ad\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
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