{"id":257706,"date":"2024-02-05T06:22:34","date_gmt":"2024-02-04T22:22:34","guid":{"rendered":"\/\/m.iemloyee.com\/?p=257706"},"modified":"2024-02-04T20:28:45","modified_gmt":"2024-02-04T12:28:45","slug":"%e5%8d%97%e4%ba%ac%e7%90%86%e5%b7%a5%e5%a4%a7%e5%ad%a6ees%ef%bc%9a%e9%ab%98%e5%ba%a6%e6%8b%a9%e4%bc%98%e5%8f%96%e5%90%91%e7%ba%b3%e7%b1%b3%e6%a3%92%e7%bb%93%e6%9e%84%e5%8d%8f%e5%90%8c%e8%83%bd","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=257706","title":{"rendered":"\u5357\u4eac\u7406\u5de5\u5927\u5b66EES\uff1a\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411\u7eb3\u7c73\u68d2\u7ed3\u6784\u534f\u540c\u80fd\u5e26\u5bf9\u9f50\u5728\u591a\u6676SnSe\u4e2d\u5b9e\u73b0\u9ad8\u70ed\u7535\u6027\u80fd"},"content":{"rendered":"
\u3010\u5bfc\u8bfb\u3011<\/p>\n
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0]\u3002\u901a\u8fc7\u5355\u5411\u52a0\u538b\u7684SPS\u70e7\u7ed3\u65b9\u5f0f\uff0c\u4f7f\u5757\u4f53\u4e2d\u6676\u7c92\u7ee7\u627f\u4e86\u524d\u9a71\u4f53\u7684\u4e00\u7ef4\u6784\u578b\uff0c\u4e14\u6240\u6709\u6676\u7c92\u6cbf\u8f74\u5411\u5448\u73b0\u62e9\u4f18\u53d6\u5411\u6392\u5217\u3002\u7531\u4e8e\u6cbf[1 0 0]\u65b9\u5411\u5177\u6709\u6700\u4f4e\u70ed\u5bfc\u7387\uff0c\u5408\u6210\u7684\u7eb3\u7c73\u68d2\u72b6\u6676\u7c92\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411\u7684SnSe\u5757\u4f53\u83b7\u5f97\u4e86\u8d85\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\uff080.15 W m-1<\/sup> K-1<\/sup>\uff09\uff0c\u660e\u663e\u4f4e\u4e8e\u7edd\u5927\u591a\u6570\u5df2\u62a5\u9053\u7684\u591a\u6676SnSe\u6750\u6599\u3002\u540c\u65f6\uff0cGe\u63ba\u6742\u4fc3\u8fdb\u4e86\u4ef7\u5e26\u5bf9\u9f50\uff0c\u663e\u8457\u589e\u5f3a\u4e86\u585e\u8d1d\u514b\u7cfb\u6570\uff0c\u8fdb\u800c\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u529f\u7387\u56e0\u5b50\u3002\u4f7f\u5f97\u591a\u6676SnSe\u6750\u6599\u83b7\u5f97\u4e862.4\u7684\u8d85\u9ad8\u5cf0\u503cZT<\/em>\u548c\u9ad8\u8fbe0.9\u7684\u5e73\u5747ZT<\/em>\uff0c\u5bbd\u6e29\u57df\u70ed\u7535\u6027\u80fd\u7684\u63d0\u5347\u5927\u5e45\u63d0\u5347\u4e86\u6750\u6599\u70ed\u7535\u8f6c\u6362\u6548\u7387\uff0c\u5728\u65e0\u6bd2\u5143\u7d20\u63ba\u6742\u7684\u591a\u6676SnSe\u6750\u6599\u4e2d\u5904\u4e8e\u9886\u5148\u5730\u4f4d\u3002\u6b64\u5916\uff0c\u62e9\u4f18\u53d6\u5411\u7684\u7eb3\u7c73\u7ea7\u6676\u7c92\u4f7f\u6750\u6599\u8868\u73b0\u51fa\u4e86\u4f18\u5f02\u7684\u529b\u5b66\u6027\u80fd\uff0c\u6709\u5229\u4e8e\u6750\u6599\u5728\u70ed\u7535\u5668\u4ef6\u7684\u5e94\u7528\u3002\u8fd9\u4e00\u7814\u7a76\u4e3a\u901a\u8fc7\u62e9\u4f18\u53d6\u5411\u6676\u7c92\u8bbe\u8ba1\u5f00\u53d1\u9ad8\u6027\u80fd\u591a\u6676\u70ed\u7535\u6750\u6599\u63d0\u4f9b\u4e86\u91cd\u8981\u53c2\u8003\u4ef7\u503c\u3002<\/p>\n \u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cRealizing the high thermoelectric performance of highly preferentially oriented SnSe based nanorods via<\/em> band alignment\u201d\u53d1\u8868\u5728\u56fd\u9645\u9876\u5c16\u671f\u520aEnergy & Environmental Science\u3002<\/p>\n \u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/p>\n 1.\u8bbe\u8ba1\u4e86\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411\u7eb3\u7c73\u68d2\u7ed3\u6784\uff0c\u4f7f\u591a\u6676SnSe\u6676\u683c\u70ed\u5bfc\u7387\u6700\u4f4e\u964d\u81f315 W m-1<\/sup> K-1<\/sup>\uff0c\u4f4e\u4e8e\u5927\u591a\u6570\u62a5\u9053\u7684\u591a\u6676SnSe\u6750\u6599\u3002<\/p>\n 2.\u53d1\u73b0Ge\u63ba\u6742\u4fc3\u4f7f\u80fd\u5e26\u5bf9\u9f50\uff0c\u4ece\u800c\u5728\u5168\u6e29\u57df\u5927\u5e45\u63d0\u5347\u6750\u6599\u7684\u7535\u6027\u80fd\u3002<\/p>\n 3.\u5728\u591a\u6676SnSe\u6750\u6599\u83b7\u5f97\u4e864\u7684\u8d85\u9ad8\u5cf0\u503cZT<\/em>\u548c\u9ad8\u8fbe0.9\u7684\u5e73\u5747ZT<\/em>\u3002<\/em><\/p>\n 4.\u7531\u4e8e\u7eb3\u7c73\u68d2\u7ed3\u6784\u7684\u6676\u7c92\u7ec6\u5316\u4f5c\u7528\uff0c\u6750\u6599\u540c\u65f6\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u786c\u5ea6\u548c\u6297\u538b\u5f3a\u5ea6\u3002<\/p>\n \u3010\u6570\u636e\u6982\u89c8\u3011<\/p>\n \u56fe<\/strong>1\u00a0 <\/strong>\uff08<\/strong>a, b<\/strong>\uff09\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411<\/strong>Sn1-x<\/sub>Gex<\/sub>Se1-x<\/sub>Sx<\/sub><\/strong>\u7eb3\u7c73\u68d2\u7684\u7c89\u672b<\/strong>XRD<\/strong>\u56fe\uff0c\uff08<\/strong>c<\/strong>\uff09<\/strong>SPS<\/strong>\u70e7\u7ed3\u540e\u5757\u4f53\u6837\u54c1\u6cbf\u5e73\u884c\u548c\u5782\u76f4\u4e8e\u538b\u529b\u65b9\u5411\u7684<\/strong>XRD<\/strong>\u56fe\u3002<\/strong><\/p>\n Ge\u548cS\u5171\u63ba\u6742\u8bf1\u5bfc\u4e86SnSe\u6676\u4f53\u751f\u957f\u65b9\u5411\u7684\u6539\u53d8\uff0c\u7c89\u672bXRD\u7684\u6700\u5f3a\u5cf0\u7531(1 1 1)\u5411(4 0 0)\u8f6c\u53d8\uff0c\u5e76\u4e14\u968f\u7740\u63ba\u6742\u6d53\u5ea6\u7684\u589e\u52a0\uff0c\u8fd9\u79cd\u8f6c\u53d8\u66f4\u52a0\u660e\u663e\u3002\u6b64\u5916\uff0c\u5757\u4f53\u6750\u6599\u6cbf\u5e73\u884c\u70e7\u7ed3\u538b\u529b\u65b9\u5411\u8868\u73b0\u51fa\u6cbf[1 0 0]\u660e\u663e\u7684\u6676\u7c92\u53d6\u5411\u3002<\/p>\n \u56fe<\/strong>2\u00a0 Sn0.96<\/sub>Ge0.04<\/sub>Se0.96<\/sub>S0.04<\/sub><\/strong>\u7eb3\u7c73\u68d2<\/strong>\u7684<\/strong>SEM<\/strong>\u56fe\u548c<\/strong>EDS<\/strong>\u5206\u6790\u3002<\/strong><\/p>\n \u5229\u7528\u6c34\u70ed\u6cd5\u5408\u6210\u4e86\u6a2a\u5411\u5c3a\u5bf8\u4e3a100 ~ 200 nm\u3001\u957f\u5ea6\u4e3a1 ~ 2 \u03bcm\u7684\u6cbf[1 0 0]\u53d6\u5411\u751f\u957f\u7684Sn0.96<\/sub>Ge0.04<\/sub>Se0.96<\/sub>S0.04<\/sub>\u7eb3\u7c73\u68d2\u3002<\/p>\n \u56fe<\/strong>3\u00a0 <\/strong>\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411<\/strong>Sn1-x<\/sub>Gex<\/sub>Se1-x<\/sub>Sx<\/sub><\/strong>\u7eb3\u7c73\u68d2\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<\/strong>k<\/em><\/strong>T<\/sub><\/strong>\u4e0e\u76f8\u5173\u62a5\u9053\u5bf9\u6bd4\uff0c\uff08<\/strong>c<\/strong>\uff09\u6676\u683c\u70ed\u5bfc\u7387\uff08<\/strong>k<\/em><\/strong>L<\/sub><\/strong>\uff09\uff0c\uff08<\/strong>d<\/strong>\uff09<\/strong>k<\/em><\/strong>L<\/sub><\/strong>\u4e0e\u76f8\u5173\u62a5\u9053\u5bf9\u6bd4\u3002<\/strong><\/p>\n \u5f97\u76ca\u4e8e\u7eb3\u7c73\u68d2\u72b6\u6676\u7c92\u7684\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411\uff0c\u591a\u6676Sn0.96<\/sub>Ge0.04<\/sub>Se0.96<\/sub>S0.04<\/sub>\u6837\u54c1\u6cbf\u5e73\u884c\u4e8eSPS\u70e7\u7ed3\u538b\u529b\u65b9\u5411\u8868\u73b0\u51fa\u6781\u4f4e\u7684\u6676\u683c\u70ed\u5bfc\u7387\uff0c\u5728873 K\u65f6\u4e3a0.15 Wm-1<\/sup>K-1<\/sup>\u3002<\/p>\n \u56fe<\/strong>4\u00a0 Sn0.96<\/sub>Ge0.04<\/sub>Se0.96<\/sub>S0.04<\/sub><\/strong>\u6837\u54c1\u7684\u5fae\u89c2\u7ed3\u6784\u8868\u5f81\u3002\uff08<\/strong>a<\/strong>\uff09\u4f4e\u500d\u660e\u573a<\/strong>STEM<\/strong>\u56fe\u50cf\uff0c\u663e\u793a\u51fa\u6837\u54c1\u5177\u6709\u660e\u663e\u7684\u7eb3\u7c73\u68d2\u72b6\u6676\u7c92\u3002\uff08<\/strong>b<\/strong>\uff09\u9ad8\u500d\u660e\u573a<\/strong>STEM<\/strong>\u56fe\u50cf\u89c2\u5bdf\u5230\u62e9\u4f18\u53d6\u5411\u7684\u7eb3\u7c73\u68d2\u72b6\u6676\u7c92\u3002\uff08<\/strong>c, d<\/strong>\uff09\u7eb3\u7c73\u6790\u51fa\u76f8\u7684<\/strong>STEM-EDS<\/strong>\u5143\u7d20\u56fe\u8c31\u3002\uff08<\/strong>e, f<\/strong>\uff09<\/strong>HADDF-STEM<\/strong>\u56fe\u50cf\u663e\u793a<\/strong>SnSe<\/strong>\u57fa\u4f53\u4e2d\u5b58\u5728<\/strong>SnS<\/strong>\u7eb3\u7c73\u6790\u51fa\u76f8\u3002\uff08<\/strong>g<\/strong>\uff09<\/strong>SnSe<\/strong>\u57fa\u4f53\u7684<\/strong>HADDF-STEM<\/strong>\u56fe\u50cf\uff0c\u56fe\u4e2d\u6807\u51fa\u4e86\u5b6a\u6676\u8fb9\u754c\uff08<\/strong>TB<\/strong>\uff0c\u7eff\u7ebf\uff09\u548c\u5806\u579b\u5c42\u9519\uff08<\/strong>SF<\/strong>\uff0c\u7bad\u5934\uff09\u3002<\/strong><\/p>\n \u5fae\u89c2\u7ec4\u7ec7\u7ed3\u6784\u8868\u5f81\u663e\u793a\uff0c\u6837\u54c1\u57fa\u4f53\u4e2d\u5b58\u5728\u4e30\u5bcc\u7684\u7eb3\u7c73\u68d2\u72b6\u6676\u7c92\u7ed3\u6784\u3001\u7eb3\u7c73\u6790\u51fa\u76f8\u3001\u76f8\u754c\u9762\u7b49\uff0c\u5f62\u6210\u5f3a\u58f0\u5b50\u6563\u5c04\u4e2d\u5fc3\uff0c\u964d\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\u3002<\/p>\n \u56fe<\/strong>5\u00a0\u00a0 <\/strong>\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411<\/strong>Sn1-x<\/sub>Gex<\/sub>Se1-x<\/sub>Sx<\/sub><\/strong>\u7eb3\u7c73\u68d2\u7684\uff08<\/strong>a<\/strong>\uff09\u7535\u5bfc\u7387\uff0c\uff08<\/strong>b<\/strong>\uff09\u8f7d\u6d41\u5b50\u6d53\u5ea6\u548c\u8fc1\u79fb\u7387\uff0c\uff08<\/strong>c<\/strong>\uff09\u8d5b\u8d1d\u514b\u7cfb\u6570\uff0c\uff08<\/strong>d<\/strong>\uff09\u8d5b\u8d1d\u514b\u7cfb\u6570\u4e0e\u8f7d\u6d41\u5b50\u6d53\u5ea6\u4f9d\u8d56\u6027\uff0c\uff08<\/strong>e<\/strong>\uff09\u529f\u7387\u56e0\u5b50\uff0c\uff08<\/strong>f<\/strong>\uff09\u54c1\u8d28\u56e0\u5b50\u3002<\/strong><\/p>\n Ge\u548cS\u53cc\u63ba\u6742\u4f18\u5316\u4e86\u6837\u54c1\u7684\u8f7d\u6d41\u5b50\u6d53\u5ea6\uff0c\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u7535\u5bfc\u7387\u3002\u540c\u65f6\u901a\u8fc7Ge\u5143\u7d20\u63ba\u6742\u5f15\u8d77\u4ef7\u5e26\u5bf9\u9f50\u589e\u5927\u4e86\u8d5b\u8d1d\u514b\u7cfb\u6570\uff0c\u4ece\u800c\u5728\u5168\u6e29\u533a\u5927\u5e45\u63d0\u5347\u6750\u6599\u529f\u7387\u56e0\u5b50\u548cB\u56e0\u5b50\uff0c\u6709\u5229\u4e8e\u5728\u5bbd\u6e29\u57df\u5b9e\u73b0\u7535\u58f0\u8f93\u8fd0\u534f\u540c\u8c03\u63a7\uff0c\u83b7\u5f97\u9ad8\u5e73\u5747ZT\u503c\u3002<\/p>\n \u56fe<\/strong>6\u00a0 SnSe<\/strong>\u63ba\u6742<\/strong>Ge<\/strong>\u548c<\/strong>S<\/strong>\u7684\u80fd\u5e26\u7ed3\u6784\u53d8\u5316\u3002\uff08<\/strong>a<\/strong>\uff09<\/strong>Sn24<\/sub>Se24<\/sub><\/strong>\uff0c\uff08<\/strong>b<\/strong>\uff09<\/strong>Sn24<\/sub>Se23<\/sub>S<\/strong>\uff0c\uff08<\/strong>c<\/strong>\uff09<\/strong>Sn23<\/sub>GeSe24<\/sub><\/strong>\uff0c\uff08<\/strong>d<\/strong>\uff09<\/strong>Sn23<\/sub>GeSe23<\/sub>S<\/strong>\u3002<\/strong><\/p>\n Ge\u5143\u7d20\u7684\u5f15\u5165\uff0c\u4f18\u5316\u4e86SnSe\u7684\u7535\u5b50\u80fd\u5e26\u7ed3\u6784\uff0c\u8bf1\u5bfc\u591a\u91cd\u4ef7\u5e26\u5bf9\u9f50\u3002<\/p>\n \u56fe<\/strong>7\u00a0 <\/strong>\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411<\/strong>Sn1-x<\/sub>Gex<\/sub>Se1-x<\/sub>Sx<\/sub><\/strong>\u7eb3\u7c73\u68d2\u7684\uff08<\/strong>a<\/strong>\uff09\u70ed\u7535\u4f18\u503c\uff08<\/strong>ZT<\/em><\/strong>\uff09\uff0c\uff08<\/strong>b<\/strong>\uff09\u5cf0\u503c<\/strong>ZT<\/em><\/strong>\uff08<\/strong>ZT<\/em><\/strong>max<\/sub><\/strong>\uff09\u548c\u5e73\u5747<\/strong>ZT<\/em><\/strong>\uff08<\/strong>ZT<\/em><\/strong>avg<\/sub><\/strong>\uff09\u4e0e\u6709\u5173\u62a5\u9053\u7684\u6bd4\u8f83\uff0c\uff08<\/strong>c<\/strong>\uff09\u7ef4\u6c0f\u786c\u5ea6\u548c\u663e\u5fae\u786c\u5ea6\uff0c\uff08<\/strong>d<\/strong>\uff09\u6297\u538b\u5f3a\u5ea6\u3002<\/strong><\/p>\n \u901a\u8fc7\u7535\u58f0\u8f93\u8fd0\u7684\u534f\u540c\u8c03\u63a7\uff0c\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411SnSe\u7eb3\u7c73\u68d2\u5728873 K\u83b7\u5f97\u4e862.4\u7684\u8d85\u9ad8\u5cf0\u503cZT<\/em>\uff0c\u5e76\u4e14\u5728\u5f88\u5bbd\u7684\u6e29\u5ea6\u8303\u56f4\uff08400-873K\uff09\u5b9e\u73b0\u4e860.9\u7684\u9ad8\u5e73\u5747ZT<\/em>\uff0c\u5728\u65e0\u6bd2\u5143\u7d20\u63ba\u6742\u7684\u591a\u6676SnSe\u6750\u6599\u4e2d\u5904\u4e8e\u9886\u5148\u5730\u4f4d\u3002\u6b64\u5916\uff0c\u62e9\u4f18\u53d6\u5411\u7684\u7eb3\u7c73\u7ea7\u6676\u7c92\u4f7f\u6750\u6599\u8868\u73b0\u51fa\u4e86\u4f18\u5f02\u7684\u529b\u5b66\u6027\u80fd\u3002<\/p>\n \u3010\u6210\u679c\u542f\u793a\u3011<\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u8be5\u5de5\u4f5c\u5229\u7528\u6eb6\u6db2\u6cd5\u5236\u5907\u4e86[1 0 0]\u53d6\u5411\u751f\u957f\u7684SnSe\u7eb3\u7c73\u68d2\uff0c\u5728\u7eb3\u7c73\u68d2\u72b6\u6676\u7c92\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411\u7684\u591a\u6676SnSe\u4e2d\u5b9e\u73b0\u4e86\u5e73\u5747ZT<\/em>\u4e3a0.9\uff0c\u5cf0\u503cZT<\/em>\u8fbe\u52302.4\u7684\u9ad8\u70ed\u7535\u6027\u80fd\u3002\u9274\u4e8e\u5355\u6676SnSe\u6cbf[1 0 0]\u65b9\u5411\u5177\u6709\u672c\u5f81\u7684\u6781\u4f4e\u70ed\u5bfc\u7387\uff0c\u7eb3\u7c73\u68d2\u72b6\u6676\u7c92\u7684\u9ad8\u5ea6\u62e9\u4f18\u53d6\u5411\u6709\u5229\u4e8e\u4f7f\u591a\u6676SnSe\u83b7\u5f97\u8d85\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\u3002\u540c\u65f6\uff0cGe\u63ba\u6742\u4fc3\u8fdb\u4e86SnSe\u4ef7\u5e26\u5bf9\u9f50\uff0c\u663e\u8457\u589e\u5f3a\u4e86\u585e\u8d1d\u514b\u7cfb\u6570\u548c\u529f\u7387\u56e0\u5b50\uff0c\u6709\u52a9\u4e8e\u5728\u5bbd\u6e29\u5ea6\u8303\u56f4\u5185\u4f18\u5316\u591a\u6676SnSe\u7535\u58f0\u8f93\u8fd0\u6027\u80fd\u3002\u540c\u65f6\u7eb3\u7c73\u7ea7\u7684\u6676\u7c92\u5c3a\u5bf8\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\uff0c\u4f7f\u6750\u6599\u83b7\u5f97\u4e86\u4f18\u5f02\u7684\u9ad8\u5bbd\u6e29\u57df\u70ed\u7535\u6027\u80fd\u548c\u529b\u5b66\u6027\u80fd\u3002\u8fd9\u4e00\u7814\u7a76\u4e3a\u5229\u7528\u5fae\u7ed3\u6784\u8bbe\u8ba1\u83b7\u5f97\u9ad8\u70ed\u7535\u6027\u80fd\u6750\u6599\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002<\/p>\n \u8bba\u6587\u4fe1\u606f<\/strong><\/p>\n Realizing the high thermoelectric performance of highly preferentially oriented SnSe based nanorods via<\/em> band alignment<\/p>\n Yaru Gong,#<\/sup> Pan Ying,#<\/sup> Qingtang Zhang, Yuqi Liu, Xinqi Huang, Wei Dou, Yujing Zhang, Di Li, Dewei Zhang, Tao Feng, Meiyu Wang,*<\/sup> Guang Chen,*<\/sup> Guodong Tang*<\/sup><\/p>\n \u6587\u7ae0\u94fe\u63a5\uff1a<\/strong>https:\/\/doi.org\/10.1039\/D3EE04109C<\/p>\n DOI<\/strong>\uff1a<\/strong>10.1039\/D3EE04109C<\/p>\n","protected":false},"excerpt":{"rendered":" \u3010\u5bfc\u8bfb\u3011 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