{"id":259866,"date":"2024-05-01T06:54:19","date_gmt":"2024-04-30T22:54:19","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=259866"},"modified":"2024-05-02T17:40:48","modified_gmt":"2024-05-02T09:40:48","slug":"j-alloy-comp%e9%80%9a%e8%bf%87%e6%8e%baco%e7%9a%84%e5%8d%8f%e5%90%8c%e6%95%88%e5%ba%94%e6%8f%90%e9%ab%98cu2snse3%e7%9a%84%e7%83%ad%e7%94%b5%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=259866","title":{"rendered":"J ALLOY COMP:\u901a\u8fc7\u63baCo\u7684\u534f\u540c\u6548\u5e94\u63d0\u9ad8Cu2SnSe3\u7684\u70ed\u7535\u6027\u80fd"},"content":{"rendered":"<p><strong>\u4e00\u3001<\/strong> <strong>\u3010\u5bfc\u8bfb\u3011<\/strong><strong>\u00a0 <\/strong><\/p>\n<p>\u70ed\u7535(TE)\u6750\u6599\u5177\u6709\u5c06\u70ed\u80fd\u4e0e\u7535\u80fd\u4e92\u76f8\u8f6c\u5316\u80fd\u529b\u3002\u56e0\u6b64\uff0c\u5b83\u4eec\u53ef\u7528\u4e8e\u5de5\u4e1a\u7089\u3001\u5730\u70ed\u4e95\u3001\u592a\u9633\u80fd\u548c\u4eba\u4f53\u7b49\u4e0d\u540c\u6765\u6e90\u7684\u5e9f\u70ed\u56de\u6536\uff0c\u6b64\u5916\u8fd8\u53ef\u7528\u4e8e\u5404\u79cd\u6fc0\u5149\u548c\u7535\u5b50\u5668\u4ef6\u7684\u7a33\u6001\u51b7\u5374\u3002\u9ad8\u6548\u7684\u70ed\u7535\u8f6c\u6362\u9700\u8981TE\u6750\u6599\u5177\u6709\u9ad8\u6027\u80fd\uff0c\u8fd9\u4e3b\u8981\u901a\u8fc7\u65e0\u91cf\u7eb2\u70ed\u7535\u4f18\u503c<em>ZT<\/em>\u6765\u8bc4\u4f30\uff0c<em>ZT<\/em>\u5b9a\u4e49\u4e3a<em>ZT<\/em> = (<em>S<\/em><sup>2<\/sup><em>\u03c3T<\/em>)\/\u03ba\uff0c\u5176\u4e2d<em>S<\/em>\u3001<em>\u03c3<\/em>\u3001<em>\u03ba<\/em>\u548c<em>T<\/em>\u5206\u522b\u4ee3\u8868\u585e\u8d1d\u514b\u7cfb\u6570\u3001\u7535\u5bfc\u7387\u3001\u70ed\u5bfc\u7387\u548c\u7edd\u5bf9\u6e29\u5ea6\uff0c\u800c<em>\u03ba<\/em>\u901a\u5e38\u7531\u7535\u5b50\u70ed\u5bfc<em>\u03ba<\/em><sub>e<\/sub>\u548c\u6676\u683c\u70ed\u5bfc<em>\u03ba<\/em><sub>l<\/sub>\u7ec4\u6210\u3002<\/p>\n<p>\u5728\u4f17\u591a\u7684\u70ed\u7535\u6750\u6599\u4e2d\uff0c\u7c7b\u91d1\u521a\u77f3\u786b\u65cf\u5316\u5408\u7269\u5177\u6709phonon-glass-electron-crystal (PGEC)\u7279\u6027\uff0c\u5373\u80fd\u591f\u50cf\u73bb\u7483\u4e00\u6837\u5f3a\u70c8\u5730\u6563\u5c04\u58f0\u5b50\uff0c\u800c\u50cf\u6676\u4f53\u4e00\u6837\u6709\u6548\u5730\u4f20\u5bfc\u7535\u5b50\uff0c\u88ab\u8ba4\u4e3a\u662f\u4e00\u7c7b\u5f88\u6709\u524d\u9014\u7684\u65b0\u578b\u73af\u4fdd\u70ed\u7535\u5019\u9009\u6750\u6599\u3002\u5176\u4e2d\uff0cCu<sub>2<\/sub>SnSe<sub>3<\/sub>\u4f5c\u4e3a\u4e00\u79cdp\u578b\u534a\u5bfc\u4f53\u8fd1\u5e74\u6765\u5907\u53d7\u5173\u6ce8\u3002\u6839\u636e\u5408\u6210\u6761\u4ef6\u7684\u4e0d\u540c\uff0c\u53ef\u4ee5\u7ed3\u6676\u4e3a\u4e0d\u540c\u7684\u7ed3\u6784\uff0c\u5305\u62ec\u5355\u659c\u76f8(<em>Cc<\/em>, <em>a<\/em> = 6.967 \u00c5 , <em>b<\/em> = 12.0493 \u00c5 , <em>c<\/em> = 6.9453 \u00c5 , <em>\u03b1<\/em> = 90 \u00b0, <em>\u03b2<\/em> = 109.19 \u00b0 , <em>\u03b3<\/em> = 90 \u00b0)\u548c\u7acb\u65b9\u76f8(<em>F<\/em>3<em>m<\/em>, <em>\u03b1<\/em> = 5.696 \u00c5)\u3002\u8003\u8651\u5230\u6709\u5229\u4e8e\u58f0\u5b50\u6563\u5c04\u7684\u6676\u683c\u5468\u671f\u6027\u88ab\u6253\u4e71\uff0c\u4ee5\u53ca\u66f4\u9ad8\u7684\u5bf9\u79f0\u6027\u6709\u5229\u4e8e\u6539\u5584\u8d39\u7c73\u80fd\u7ea7\u5904\u80fd\u5e26\u7684\u7b80\u5e76\u6027\uff0c\u7acb\u65b9\u76f8CTSe\u5c06\u662fTE\u6750\u6599\u7684\u66f4\u597d\u9009\u62e9\u3002\u6839\u636e\u76ee\u524d\u7814\u7a76\u62a5\u9053Cu<sub>2<\/sub>SnSe<sub>3<\/sub>\u4e2d\u7684Cu-Se\u952e\u5f62\u6210\u5bfc\u7535\u6846\u67b6,\u4e3b\u5bfcCu<sub>2<\/sub>SnSe<sub>3<\/sub>\u7684p\u578b\u7535\u8f93\u8fd0\uff0c\u4f46Sn\u7684\u8d21\u732e\u5f88\u5c0f\u3002\u6240\u4ee5\u53ef\u901a\u8fc7Sn\u4f4d\u63ba\u6742\uff0c\u4f18\u5316\u4f20\u8f93\u901a\u9053\uff0c\u4f18\u5316\u8f7d\u6d41\u5b50\u6d53\u5ea6\u4ee5\u53ca\u6539\u53d8\u76f8\u7ed3\u6784\u7b49\u6765\u63d0\u9ad8\u6750\u6599\u7684\u70ed\u7535\u8f93\u8fd0\u6027\u80fd\u3002<\/p>\n<p><strong>\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n<p>\u57fa\u4e8e\u4e0a\u8ff0\u7814\u7a76\u80cc\u666f\uff0c\u6211\u4eec\u901a\u8fc7\u56fa\u76f8\u53cd\u5e94\u548c\u653e\u7535\u7b49\u79bb\u5b50\u70e7\u7ed3\u5f97\u5230\u81f4\u5bc6\u6027\u8f83\u597d\u7684Co\u63ba\u6742Cu<sub>2<\/sub>SnSe<sub>3<\/sub>\u4e00\u7cfb\u5217\u7684\u6837\u54c1\uff0c\u539f\u59cb\u6837\u54c1\u56e0\u5176\u5177\u6709\u8f83\u4f4e\u7684\u8f7d\u6d41\u5b50\u6d53\u5ea6\uff0c\u5728\u7535\u5b66\u6027\u80fd\u4e0a\u8868\u73b0\u4e3a\u8f83\u4f4e\u7535\u5bfc\u7387\u3002\u7ed3\u679c\u8868\u660e\uff0c\u7528Co\u53d6\u4ee3Sn\u540e\uff0c\u7531\u4e8eCo\u4f5c\u4e3a\u53d7\u4f53\u7684\u4f5c\u7528\u548c\u5176\u4ef7\u5e26\u4e2d<em>d<\/em>\u8f68\u9053\u7684\u8d21\u732e\uff0c\u8f7d\u6d41\u5b50\u6d53\u5ea6\u6709\u6548\u589e\u52a0\uff0c\u6001\u5bc6\u5ea6(DOS)\u6709\u6548\u8d28\u91cf<em>m<\/em><sup>*<\/sup>\u589e\u5f3a\u3002\u56e0\u6b64\uff0c\u5728823 K\u65f6\u5b9e\u73b0\u4e86\u9ad8\u8fbe9.55 \u03bcW cm<sup>-1<\/sup> K<sup>-2<\/sup>\u7684\u663e\u8457\u529f\u7387\u56e0\u6570(<em>PF<\/em>)\u3002\u6b64\u5916\uff0c\u58f0\u901f\u5206\u6790\u663e\u793a\uff0c\u58f0\u5b50\u6563\u5c04\u589e\u5f3a\u548c\u952e\u7684\u8f6f\u5316\uff0c\u6676\u683c\u70ed\u5bfc\u7387\u53d7\u5230\u8f83\u5f3a\u7684\u6291\u5236\u3002\u6700\u7ec8\uff0c\u5728Cu<sub>2<\/sub>Sn<sub>0.88<\/sub>Co<sub>0.12<\/sub>Se<sub>3<\/sub>\u4e2d\u5b9e\u73b0\u4e86~ 0.7\u7684<em>ZT<sub>avg<\/sub><\/em>\uff0c\u4ee5\u53ca\u8fbe\u5230\u6700\u5927<em>ZT <\/em>= 0.97\uff0c\u51e0\u4e4e\u662f\u539f\u59cb\u6837\u54c1<em>ZT<\/em>\u7684\u4e24\u500d\u3002<\/p>\n<p><a href=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/1-34.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-259868\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/1-34.png\" alt=\"\" width=\"662\" height=\"434\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/1-34.png 662w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/1-34-300x197.png 300w\" sizes=\"(max-width: 662px) 100vw, 662px\" \/><\/a><\/p>\n<p><strong>\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n<p>(1) \u968f\u7740Co\u63ba\u6742\u91cf\u7684\u589e\u52a0\uff0cCu<sub>2<\/sub>Sn<sub>1-<em>x<\/em><\/sub>Co<em><sub>x<\/sub><\/em>Se<sub>3<\/sub>\u9676\u74f7\u6837\u54c1\u7684\u8f7d\u6d41\u5b50\u6d53\u5ea6\u548c\u7535\u5bfc\u7387\u663e\u8457\u63d0\u9ad8\uff0c\u8f7d\u6d41\u5b50\u6709\u6548\u8d28\u91cf\u589e\u52a0\uff0c\u529f\u7387\u56e0\u5b50\u5728823 K\u65f6\u8fbe\u5230\u6700\u5927\u503c9.5 \u03bcW m<sup>-1 <\/sup>K<sup>-2<\/sup>\u3002<\/p>\n<p>(2) Co\u63ba\u6742\u5f15\u8d77\u7684\u6676\u683c\u81a8\u80c0\u5bfc\u81f4\u7684\u58f0\u5b50\u6563\u5c04\u589e\u5f3a\u548c\u952e\u5408\u8f6f\u5316\u6291\u5236\u4e86\u6676\u683c\u70ed\u5bfc\u7387\u3002<\/p>\n<p>(3) \u5728Cu<sub>2<\/sub>Sn<sub>1-<em>x<\/em><\/sub>Co<em><sub>x<\/sub><\/em>Se<sub>3<\/sub>\u4e2d\uff0c\u5355\u7eaf\u7684Co\u63ba\u6742\u5f15\u8d77\u7684\u534f\u540c\u6548\u5e94\u5bfc\u81f4<em>ZT<sub>max<\/sub><\/em>\u548cZT<em><sub>avg<\/sub><\/em>\u5206\u522b\u4e3a0.97\u548c0.7 (823 K)\uff0c\u76ee\u524d\u5904\u4e8eCu<sub>2<\/sub>SnSe<sub>3<\/sub>\u57fa\u6750\u6599\u7684\u524d\u5217\u3002<\/p>\n<p><strong>\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n<p><a href=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/2-32.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-259869\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/2-32.png\" alt=\"\" width=\"700\" height=\"273\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/2-32.png 700w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/2-32-300x117.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p><strong>\u56fe<\/strong><strong>1. (a) Cu<sub>2<\/sub>Sn<sub>1-<em>x<\/em><\/sub>Co<em><sub>x<\/sub><\/em>Se<sub>3<\/sub>(<em>x<\/em> = 0 ~ 0.12)<\/strong><strong>\u6837\u54c1\u7684<\/strong><strong>XRD<\/strong><strong>\u56fe\u8c31\uff0c<\/strong><strong>(b) <em>x<\/em> = 0.09<\/strong><strong>\u6837\u54c1\u5728<\/strong><strong>~ 27 <\/strong><strong>\u00b0\u5904\u7684\u591a\u5cf0\u62df\u5408\u56fe\uff0c<\/strong><strong>(c)<\/strong><strong>\u6240\u6709\u6837\u54c1\u5728<\/strong><strong>~ 27 <\/strong><strong>\u00b0\u7684\u5cf0\u504f\u79fb\u3002<\/strong><strong>(d)<\/strong><strong>\u4e24\u79cd\u76f8\u7684\u6676\u683c\u53c2\u6570\u968f\u63ba\u6742\u91cf\u7684\u53d8\u5316\uff0c\u7528\u5b9e\u5fc3\u7b26\u53f7\u4ee3\u8868\u6807\u51c6\u6570\u636e\u3002<\/strong><strong>(e) <em>x<\/em> = 0.09<\/strong><strong>\u6837\u54c1\u7684<\/strong><strong>Co 2<em>p<\/em><\/strong><strong>\u533a\u57df\u7684<\/strong><strong>XPS<\/strong><strong>\u8c31\uff0c<\/strong><strong>2<em>p<\/em><sub>3\/2<\/sub><\/strong><strong>\u548c<\/strong><strong>2<em>p<\/em><sub>1\/2<\/sub><\/strong><strong>\u5cf0\u4e4b\u95f4\u7684\u81ea\u65cb\u8f68\u9053\u5206\u88c2\u3002<\/strong><strong>15.7 eV<\/strong><strong>\u8868\u660e\u4e86<\/strong><strong>Co<sup>2+<\/sup><\/strong><strong>\u7684\u521d\u7ea7\u6c27\u5316\u6001\u3002<\/strong><\/p>\n<p><a href=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/3-35.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-259870\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/3-35.png\" alt=\"\" width=\"434\" height=\"289\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/3-35.png 434w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/3-35-300x200.png 300w\" sizes=\"(max-width: 434px) 100vw, 434px\" \/><\/a><\/p>\n<p><strong>\u56fe<\/strong><strong>2<\/strong><strong>.<\/strong><strong> (a) <\/strong><strong><em>x<\/em><\/strong><strong> = 0<\/strong><strong>\u548c<\/strong><strong>(b) <\/strong><strong><em>x<\/em><\/strong><strong> = 0.12<\/strong><strong>\u65ad\u53e3\u7684<\/strong><strong>SEM<\/strong><strong>\u56fe\u50cf\u4ee5\u53ca<\/strong><strong><em>x<\/em><\/strong><strong> = 0.09 (c)<\/strong><strong>\u548c<\/strong><strong>0.12 (d)<\/strong><strong>\u7ec4\u6210\u5143\u7d20<\/strong><strong>(Cu, Se, Sn, Co)<\/strong><strong>\u7684<\/strong><strong>EDS<\/strong><strong>\u56fe\u8c31<\/strong>\u3002<\/p>\n<p><a href=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/4-31.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-259871\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/4-31.png\" alt=\"\" width=\"483\" height=\"292\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/4-31.png 483w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/4-31-300x181.png 300w\" sizes=\"(max-width: 483px) 100vw, 483px\" \/><\/a><\/p>\n<p><strong>\u56fe<\/strong><strong>3. Cu<sub>2<\/sub>Sn<sub>1-<em>x<\/em><\/sub>Co<em><sub>x<\/sub><\/em>Se<sub>3<\/sub>( <em>x<\/em> = 0 ~ 0.12)<\/strong><strong>\u6837\u54c1\u7684<\/strong><strong>(a)<\/strong><strong>\u7535\u5bfc\u7387\u3001<\/strong><strong>(b)<\/strong><strong>\u585e\u8d1d\u514b\u7cfb\u6570\u3001<\/strong><strong>(c)<\/strong><strong>\u529f\u7387\u56e0\u5b50\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u66f2\u7ebf\u3002<\/strong><strong>(d)<\/strong><strong>\u5ba4\u6e29\u4e0b\u8f7d\u6d41\u5b50\u6d53\u5ea6\u548c\u8fc1\u79fb\u7387\u3002<\/strong><strong>(e) Weighted mobility<\/strong><strong>\u3002<\/strong><strong>(f) Co<\/strong><strong>\u63ba\u6742<\/strong><strong>CTSe<\/strong><strong>\u6837\u54c1\u5ba4\u6e29\u4e0b<\/strong><strong>Seebeck<\/strong><strong>\u7cfb\u6570\u968f\u7a7a\u7a74\u6d53\u5ea6\u53d8\u5316\u7684\u76ae\u8428\u8fde\u79d1\u56fe\uff0c\u5176\u4e2d\u589e\u52a0\u4e86\u6587\u732e\u4e2d\u5f15\u7528\u7684<\/strong><strong>Fe-<\/strong><strong>\u548c<\/strong><strong>Zn<\/strong><strong>\u63ba\u6742<\/strong><strong>CTSe<\/strong><strong>\u7684\u6570\u636e\u4f5c\u4e3a\u5bf9\u6bd4\u3002<\/strong><\/p>\n<p><a href=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/5-21.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-259872\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/5-21.png\" alt=\"\" width=\"700\" height=\"212\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/5-21.png 700w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/5-21-300x91.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p><strong>\u56fe<\/strong><strong>4. Cu<sub>2<\/sub>Sn<sub>1-<em>x<\/em><\/sub>Co<em><sub>x<\/sub><\/em>Se<sub>3<\/sub> ( <em>x<\/em> = 0 ~ 0.12)<\/strong><strong>\u6837\u54c1\u7684<\/strong><strong>(a)<\/strong><strong>\u70ed\u5bfc\u7387<\/strong><strong><em>\u03ba<\/em><\/strong><strong><sub>tot<\/sub><\/strong><strong>\uff0c<\/strong><strong>(b)<\/strong><strong>\u7535\u5b50\u70ed\u5bfc\u7387<\/strong><strong><em>\u03ba<\/em><\/strong><strong><sub>e<\/sub><\/strong><strong>\u548c<\/strong><strong>(c)<\/strong><strong>\u6676\u683c\u70ed\u5bfc\u7387<\/strong><strong><em>\u03ba<\/em><\/strong><strong><sub>l<\/sub><\/strong><strong>\u5728<\/strong><strong>323 ~ 823 K<\/strong><strong>\u8303\u56f4\u5185\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u5173\u7cfb\uff0c\u5ba4\u6e29\u4e0b\u58f0\u5b50\u5e73\u5747\u81ea\u7531\u7a0b<\/strong><strong><em>l<\/em><\/strong><strong>\u548c\u5e73\u5747\u58f0\u901f<\/strong><strong><em>v<sub>a<\/sub><\/em><\/strong><strong><sub>vg<\/sub><\/strong><strong>\u968f\u63ba\u6742\u6d53\u5ea6\u7684\u53d8\u5316\u5173\u7cfb\u5982\u56fe<\/strong><strong>4.(c)<\/strong><strong>\u6240\u793a\u3002<\/strong><\/p>\n<p><a href=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/6-12.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-259873\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/6-12.png\" alt=\"\" width=\"700\" height=\"295\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/6-12.png 700w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/04\/6-12-300x126.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p><strong>\u56fe<\/strong><strong>5. Cu<sub>2<\/sub>Sn<sub>1-<em>x<\/em><\/sub>Co<em><sub>x<\/sub><\/em>Se<sub>3<\/sub> ( <em>x<\/em> = 0 ~ 0.12)<\/strong><strong>\u6837\u54c1\u7684<\/strong><strong><em>ZT<\/em><\/strong><strong>\u503c\u968f\u6e29\u5ea6\u7684\u53d8\u5316<\/strong><strong>(a)<\/strong><strong>\u4ece<\/strong><strong>323 K<\/strong><strong>\u5230<\/strong><strong>823 K<\/strong><strong>\uff0c\u4e0e\u62a5\u9053\u6027\u80fd\u6700\u597d\u7684<\/strong><strong>Cu<sub>2<\/sub>Sn<sub>0.88<\/sub>F<sub>e0.06<\/sub>In<sub>0.06<\/sub>Se<sub>3<\/sub>-5%Ag<sub>2<\/sub>Se<\/strong><strong>\u7684\u6570\u636e\u76f8\u6bd4\u3002<\/strong><strong>(b)<\/strong><strong>\u672c\u5de5\u4f5c\u4e0e<\/strong><strong>Bi<\/strong><strong>\uff0c<\/strong><strong>Ag<\/strong><strong>\uff0c<\/strong><strong>Sb<\/strong><strong>\uff0c<\/strong><strong>Cd<\/strong><strong>\uff0c<\/strong><strong>Cu<\/strong><strong>\u548c<\/strong><strong>Sn<\/strong><strong>\u7a7a\u4f4d\uff0c<\/strong><strong>In<\/strong><strong>\uff0c<\/strong><strong>Fe&amp;In (<\/strong><strong>\u4e0e<\/strong><strong>Ag<sub>2<\/sub>Se<\/strong><strong>\u590d\u5408<\/strong><strong>)<\/strong><strong>\u548c<\/strong><strong>Ag&amp;In<\/strong><strong>\u63ba\u6742\u7684<\/strong><strong><em>ZT<\/em><\/strong><strong><sub>max<\/sub><\/strong><strong>\u548c<\/strong><strong><em>ZT<\/em><\/strong><strong><sub>ave<\/sub><\/strong><strong>\u7684\u6bd4\u8f83\u3002<\/strong><\/p>\n<p><strong>\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n<p>\u5728\u8fd9\u9879\u5de5\u4f5c\u4e2d\u4ece\u7c89\u672bXRD\u7684Rietveld\u5206\u6790\u8868\u660e\uff0c\u63ba\u6742\u6781\u9650\u4e0d\u9ad8\u4e8e12%\uff0c\u5355\u659c\u76f8\u548c\u7acb\u65b9\u76f8\u5171\u5b58\uff0c\u524d\u8005\u5177\u6709\u660e\u663e\u7684\u6676\u683c\u81a8\u80c0\u3002\u7531\u4e8eCo\u63ba\u6742\u7684\u53d7\u4e3b\u4f5c\u7528\uff0c\u8f7d\u6d41\u5b50\u6d53\u5ea6\u548c\u7535\u5bfc\u7387\u660e\u663e\u589e\u5f3a\u3002\u53ef\u80fd\u7531\u4e8e\u4ef7\u5e26\u4e2dCo <em>d<\/em>\u6001\u7684\u8d21\u732e\u5bfc\u81f4DOS <em>m<\/em><sup>*<\/sup>\u7684\u589e\u957f\uff0c\u4ece\u800c\u4fdd\u6301\u4e86\u8f83\u9ad8\u7684<em>S<\/em>\uff0c\u5bfc\u81f4\u5728<em>x<\/em> = 0.12\u65f6\uff0c<em>PF<\/em>\u5728823 K\u8fbe\u5230\u6700\u5927\u503c9.5 \u03bcW m<sup>-1<\/sup> K<sup>-2<\/sup>\u3002\u540c\u65f6\uff0c\u968f\u7740\u63ba\u6742\u91cf\u7684\u589e\u52a0\uff0c\u6676\u683c\u70ed\u5bfc\u7387<em>\u03ba<\/em><sub>l<\/sub>\u88ab\u6291\u5236\u5230\u8d85\u4f4e\u6c34\u5e73\uff0c\u8fd9\u4e3b\u8981\u662f\u7531\u4e8eCo\u63ba\u6742\u5f15\u8d77\u7684\u7f3a\u9677\u5bf9\u58f0\u5b50\u7684\u6563\u5c04\u589e\u5f3a\uff0c\u5176\u6b21\u662f\u952e\u7684\u8f6f\u5316\uff0c\u4f7f<em>\u03ba<\/em><sub>tot<\/sub>\u4ecd\u4fdd\u6301\u8f83\u4f4e\u503c\u3002\u6240\u4ee5\uff0c\u5f53<em>x<\/em> = 0.12\u65f6\uff0c\u5728823 K\u83b7\u5f97\u4e86~ 0.97\u7684<em>ZT<\/em>\u5cf0\u503c\u3002\u7ed3\u679c\u8868\u660e\uff0c\u7b80\u5355\u7684Co\u63ba\u6742\u53ef\u4ee5\u901a\u8fc7\u8f7d\u6d41\u5b50\u6d53\u5ea6\u8c03\u8282\u3001\u80fd\u5e26\u4fee\u9970\u548c\u952e\u5408\u8f6f\u5316\u5bf9CTSe\u7684\u7535\u548c\u70ed\u8f93\u8fd0\u6027\u8d28\u7684\u534f\u540c\u5f71\u54cd\uff0c\u975e\u5e38\u6709\u6548\u5730\u63d0\u9ad8CTSe\u7684\u70ed\u7535\u6027\u80fd\u3002<\/p>\n<p><strong>\u539f\u6587\u8be6\u60c5<\/strong>\uff1a<\/p>\n<p>Enhanced thermoelectric performance of Cu2SnSe3 by synergic effects via cobalt-doping[J]. Journal of Alloys and Compounds, 988 (2024) 174272. (https:\/\/doi.org\/10.1016\/j.jallcom.2024.174272)<\/p>\n<p>\u672c\u6587\u7531\u4f5c\u8005\u4f9b\u7a3f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001 \u3010\u5bfc\u8bfb\u3011\u00a0 \u70ed\u7535(TE)\u6750\u6599\u5177\u6709\u5c06\u70ed\u80fd\u4e0e\u7535\u80fd\u4e92\u76f8\u8f6c\u5316\u80fd\u529b\u3002\u56e0\u6b64\uff0c\u5b83\u4eec\u53ef\u7528\u4e8e\u5de5\u4e1a\u7089\u3001\u5730\u70ed\u4e95\u3001\u592a\u9633\u80fd\u548c\u4eba\u4f53\u7b49\u4e0d\u540c\u6765\u6e90\u7684\u5e9f\u70ed\u56de\u6536\uff0c\u6b64\u5916\u8fd8\u53ef\u7528\u4e8e\u5404\u79cd\u6fc0\u5149\u548c\u7535\u5b50\u5668\u4ef6&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-259866","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/259866"}],"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\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=259866"}],"version-history":[{"count":2,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/259866\/revisions"}],"predecessor-version":[{"id":259874,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/259866\/revisions\/259874"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=259866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=259866"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=259866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}