{"id":260485,"date":"2024-05-30T06:15:52","date_gmt":"2024-05-29T22:15:52","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=260485"},"modified":"2024-05-29T20:30:55","modified_gmt":"2024-05-29T12:30:55","slug":"260485","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=260485","title":{"rendered":"\u5357\u4eac\u7406\u5de5\u5927\u5b66Nature Communications\uff1a\u5728N\u578bSnSe\u6750\u6599\u4e2d\u5b9e\u73b0\u9ad8\u70ed\u7535\u6027\u80fd"},"content":{"rendered":"

\u3010\u5bfc\u8bfb\u3011<\/p>\n

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\u3010\u6210\u679c\u63a0\u5f71\u3011<\/p>\n

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\"\"<\/p>\n

\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cDivacancy and Resonance Level Enables High Thermoelectric Performance in n-Type SnSe Polycrystals\u201d\u53d1\u8868\u4e8eNature\u5b50\u520aNature Communications 2024, 15, 4231\u3002<\/p>\n

\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/p>\n

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\u3010\u6570\u636e\u6982\u89c8\u3011<\/p>\n

\"\"<\/p>\n

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Se\u7a7a\u4f4d\u6709\u5229\u4e8e\u589e\u5927\u8f7d\u6d41\u5b50\u6d53\u5ea6\uff0c\u540c\u65f6Sn\/Se\u53cc\u7a7a\u4f4d\u7f3a\u9677\u548c\u5bccW\/Cl\u7eb3\u7c73\u6790\u51fa\u76f8\u5f62\u6210\u5f3a\u58f0\u5b50\u6563\u5c04\u4e2d\u5fc3\uff0c\u7ed3\u5408W\u63ba\u6742\u5f15\u8d77\u7684\u5171\u632f\u80fd\u7ea7\uff0c\u5b9e\u73b0\u4e86\u5bf9N\u578b\u591a\u6676SnSe\u7535\u58f0\u8f93\u8fd0\u7684\u534f\u540c\u8c03\u63a7\uff0c\u5176\u70ed\u7535\u4f18\u503c\u9ad8\u4e8e\u4e0d\u540c\u4f53\u7cfbN\u578b\u70ed\u7535\u6750\u6599\u3002<\/p>\n

\"\"<\/p>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

\u56fe<\/strong>7\u00a0 SnSe0.92<\/sub> + x WCl6<\/sub><\/strong>\u7684\uff08<\/strong>a<\/strong>\uff09\u603b\u70ed\u5bfc\u7387\uff08<\/strong>k<\/em><\/strong>T<\/sub><\/strong>\uff09\uff0c\uff08<\/strong>b<\/strong>\uff09\u6676\u683c\u70ed\u5bfc\u7387\uff08<\/strong>k<\/em><\/strong>L<\/sub><\/strong>\uff09\uff0c\uff08<\/strong>c<\/strong>\uff09<\/strong>k<\/em><\/strong>L<\/sub><\/strong>\u4e0e\u76f8\u5173\u62a5\u9053\u5bf9\u6bd4\uff0c\uff08<\/strong>d<\/strong>\uff09\u6839\u636e<\/strong>Callaway<\/strong>\u6a21\u578b\u8ba1\u7b97\u7684<\/strong>k<\/em><\/strong>L<\/sub><\/strong>\u3002<\/strong><\/p>\n

\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c\u8bc1\u5b9e\uff0cSn\u548cSe\u7a7a\u4f4d\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\uff0c\u63ba\u5165WCl6<\/sub>\u540e\u6750\u6599\u6676\u683c\u70ed\u5bfc\u7387\u8fdb\u4e00\u6b65\u964d\u4f4e\u3002\u7ed3\u5408\u5fae\u89c2\u7ed3\u6784\u8868\u5f81\uff0c\u8bc1\u5b9e\u4e86\u7531\u4e8e\u9ad8\u5bc6\u5ea6\u7684\u5bccW\/Cl\u5171\u683c\u7eb3\u7c73\u6790\u51fa\u76f8\u548cSn\/Se\u53cc\u7a7a\u4f4d\u7f3a\u9677\u7684\u5171\u540c\u4f5c\u7528\uff0c\u6750\u6599\u5448\u73b0\u8d85\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>8\u00a0 SnSe0.92<\/sub> + x WCl6<\/sub><\/strong>\u7684\u5ba4\u6e29\u62c9\u66fc\u5149\u8c31\u3002<\/strong><\/p>\n

\u62c9\u66fc\u6563\u5c04\u5b9e\u9a8c\u8bc1\u5b9e\u968f\u7740WCl6<\/sub>\u63ba\u6742\u91cf\u7684\u589e\u52a0\uff0c\u58f0\u5b50\u5f3a\u5ea6\u548c\u5bff\u547d\u6bd4\u4e0b\u964d\uff0c\u8868\u660e\u5149\u5b66\u58f0\u5b50\u8f6f\u5316\u548c\u975e\u7b80\u8c10\u6027\u589e\u5f3a\uff0c\u5728\u6750\u6599\u4e2d\u83b7\u5f97\u4e86\u6781\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>9\u00a0 SnSe0.92<\/sub> + x WCl6<\/sub><\/strong>\u7684\uff08<\/strong>a<\/strong>\uff09\u52a0\u6743\u8fc1\u79fb\u7387\u548c\u6676\u683c\u70ed\u5bfc\u7387\u6bd4\u503c\uff1b\uff08<\/strong>b<\/strong>\uff09\u54c1\u8d28\u56e0\u5b50<\/strong>B<\/em><\/strong>\uff1b\uff08<\/strong>c<\/strong>\uff09\u70ed\u7535\u4f18\u503c\uff08<\/strong>ZT<\/em><\/strong>\uff09\uff0c\uff08<\/strong>d<\/strong>\uff09\u5cf0\u503c<\/strong>ZT<\/em><\/strong>\u4e0e\u6709\u5173\u62a5\u9053\u7684\u6bd4\u8f83\u3002<\/strong><\/p>\n

\u901a\u8fc7\u53cc\u7a7a\u4f4d\u7f3a\u9677\u548c\u5171\u632f\u80fd\u7ea7\u534f\u540c\u8c03\u63a7\u6750\u6599\u7535\u58f0\u8f93\u8fd0\uff0c\u4f7f\u5f97SnSe0.92<\/sub>+0.03WCl6<\/sub>\u6750\u6599\u5728773K\u5448\u73b02.2\u7684\u9ad8\u5cf0\u503cZT<\/em>\uff0c\u6027\u80fd\u8d85\u8fc7\u4e86\u56fd\u9645\u4e0a\u5df2\u62a5\u9053\u7684N\u578b\u591a\u6676SnSe\u3002<\/p>\n

\u3010\u6210\u679c\u542f\u793a\u3011<\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u8be5\u5de5\u4f5c\u63d0\u51fa\u4e86\u4e00\u79cd\u63d0\u5347N\u578b\u591a\u6676SnSe\u70ed\u7535\u6027\u80fd\u5341\u5206\u6709\u6548\u7684\u7b56\u7565\u3002\u501f\u52a9Sn\/Se\u53cc\u7a7a\u4f4d\u6253\u7834\u6676\u683c\u5e73\u79fb\u5bf9\u79f0\u6027\uff0c\u6291\u5236\u6750\u6599\u6676\u683c\u70ed\u5bfc\u7387\u3002\u53cc\u7a7a\u4f4d\u7f3a\u9677\u7ed3\u6784\u4e0e\u5bccW\/Cl\u5171\u683c\u7eb3\u7c73\u6790\u51fa\u76f8\u6784\u5efa\u591a\u5c3a\u5ea6\u5fae\u7ed3\u6784\u6709\u6548\u6563\u5c04\u58f0\u5b50\uff0c\u5728\u6750\u6599\u4e2d\u83b7\u5f97\u4e86\u6781\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\u3002\u62c9\u66fc\u6563\u5c04\u5b9e\u9a8c\u8868\u660eWCl6<\/sub>\u63ba\u6742\u5f15\u8d77\u5149\u5b66\u58f0\u5b50\u8f6f\u5316\u548c\u975e\u7b80\u8c10\u6027\u589e\u5f3a\u3002\u540c\u65f6\u53d1\u73b0\uff0cW\u63ba\u6742\u53ef\u4ee5\u5728SnSe\u6750\u6599\u7684\u5bfc\u5e26\u5f15\u5165\u5171\u632f\u80fd\u7ea7\uff0c\u4ece\u800c\u589e\u5927\u6750\u6599\u7684\u585e\u8d1d\u514b\u7cfb\u6570\uff0cWCl6<\/sub>\u7684\u63ba\u6742\u548cSe\u7a7a\u4f4d\u589e\u5927\u4e86N\u578b\u591a\u6676SnSe\u8f7d\u6d41\u5b50\u6d53\u5ea6\u548c\u7535\u5bfc\u7387\uff0c\u4f7f\u5f97\u6750\u6599\u5448\u73b0\u4f18\u5f02\u7684\u7535\u8f93\u8fd0\u6027\u80fd\u3002\u8be5\u5de5\u4f5c\u901a\u8fc7\u6709\u6548\u89e3\u8026N\u578b\u591a\u6676SnSe\u7535\u58f0\u8f93\u8fd0\uff0c\u5728\u6750\u6599\u4e2d\u83b7\u5f97\u4e86\u9ad8\u8fbe2.2\u7684\u5cf0\u503cZT<\/em>\uff0c\u4e3a\u5f00\u53d1\u9ad8\u6027\u80fd\u70ed\u7535\u6750\u6599\u63d0\u4f9b\u4e86\u91cd\u8981\u501f\u9274\u3002<\/p>\n

\u8bba\u6587\u4fe1\u606f<\/strong><\/p>\n

Divacancy and resonance level enables high thermoelectric performance in n<\/em>-type SnSe polycrystals<\/p>\n

Yaru Gong,#<\/sup> Wei Dou,#<\/sup> Bochen Lu,#<\/sup> Xuemei Zhang, He Zhu, Pan Ying, Qingtang Zhang, Yuqi Liu, Yanan Li, Xinqi Huang, Muhammad Faisal Iqbal, Shihua Zhang, Di Li, Yongsheng Zhang,*<\/sup> Haijun Wu,*<\/sup> Guodong Tang*<\/sup><\/p>\n

\u6587\u7ae0\u94fe\u63a5\uff1a<\/strong>https:\/\/doi.org\/10.1038\/s41467-024-48635-0<\/p>\n

DOI<\/strong>\uff1a<\/strong>10.1038\/s41467-024-48635-0<\/p>\n","protected":false},"excerpt":{"rendered":"

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