{"id":79558,"date":"2017-05-10T06:30:12","date_gmt":"2017-05-09T22:30:12","guid":{"rendered":"\/\/m.iemloyee.com\/?p=79558"},"modified":"2017-05-07T00:11:27","modified_gmt":"2017-05-06T16:11:27","slug":"jacs%ef%bc%9a%e7%94%b5%e5%ad%90%e6%8e%ba%e6%9d%82%e4%b8%89%e5%85%83%e7%a1%ab%e5%8c%96%e7%89%a9agbi3s5%e5%85%b7%e5%a4%87%e4%bc%98%e5%bc%82%e7%9a%84%e7%83%ad%e7%94%b5%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=79558","title":{"rendered":"JACS\uff1a\u7535\u5b50\u63ba\u6742\u4e09\u5143\u786b\u5316\u7269AgBi3S5\u5177\u5907\u4f18\u5f02\u7684\u70ed\u7535\u6027\u80fd"},"content":{"rendered":"

\u3010\u524d\u8a00\u3011<\/strong><\/p>\n

\u8fd1\u5e74\u6765\uff0c\u7531\u4e8e\u80fd\u6e90\u5371\u673a\u7684\u4e0d\u65ad\u52a0\u5267\u548c\u73af\u5883\u6cbb\u7406\u65b9\u9762\u7684\u9700\u8981\uff0c\u70ed\u7535\u6750\u6599\u6210\u4e3a\u4e86\u56fd\u5185\u5916\u7814\u7a76\u7684\u70ed\u70b9\u8bfe\u9898\u3002\u81ea19\u4e16\u7eaa\u521d\u53d1\u73b0\u534a\u5bfc\u4f53\u6750\u6599\u7684Seebeck\u6548\u5e94\u548cPeltier\u6548\u5e94\u4ee5\u6765\uff0c\u70ed\u7535\u6750\u6599\u5982\u96e8\u540e\u6625\u7b0b\u822c\u5728\u6750\u6599\u7814\u7a76\u754c\u5927\u91cf\u51fa\u73b0\u3002\u70ed\u7535\u6750\u6599\u662f\u4e00\u79cd\u5229\u7528\u56fa\u4f53\u5185\u90e8\u8f7d\u6d41\u5b50\u8fd0\u52a8\uff0c\u53ef\u4ee5\u5b9e\u73b0\u70ed\u80fd\u548c\u7535\u80fd\u76f4\u63a5\u8f6c\u6362\u7684\u529f\u80fd\u6750\u6599\uff0c\u4e00\u822c\u8981\u6c42\u5177\u5907\u4ef7\u5ec9\u3001\u65e0\u6bd2\u3001\u8f83\u9ad8\u7684\u7535\u5b50\u4f20\u5bfc\u548c\u8f83\u4f4e\u7684\u70ed\u4f20\u5bfc\u6027\u80fd\u7b49\u4f18\u70b9\uff0c\u56e0\u6b64\u5176\u5e38\u4e8e\u6e29\u5dee\u53d1\u7535\u548c\u70ed\u7535\u5236\u51b7\u4e24\u65b9\u9762\u3002\u4e3a\u5b9e\u73b0\u70ed\u7535\u6750\u6599\u7684\u5927\u8303\u56f4\u4f7f\u7528\uff0c\u5982\u4f55\u63d0\u9ad8\u70ed\u7535\u6750\u6599\u7684\u8f6c\u6362\u6548\u7387\u6210\u4e3a\u4e86\u76ee\u524d\u4e9f\u5f85\u89e3\u51b3\u7684\u4e3b\u8981\u95ee\u9898\u3002<\/p>\n

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

\u8fd1\u671f\uff0c\u7f8e\u56fd\u897f\u5317\u5927\u5b66<\/strong>Mercouri G. Kanatzidis<\/strong>\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u62a5\u9053\u4e86\u8be5\u8bfe\u9898\u7ec4\u5728\u7535\u5b50\u63ba\u6742\u4e09\u5143\u786b\u5316\u7269AgBi3<\/sub>S5<\/sub>\u70ed\u7535\u6750\u6599\u65b9\u9762\u7684\u6700\u65b0\u8fdb\u5c55\uff0c\u8be5\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cHigh Thermoelectric Performance in Electron-Doped AgBi3<\/sub>S5<\/sub> with Ultralow Thermal Conductivity<\/strong>\u201d\u53d1\u8868\u5728J. Am. Chem. Soc.<\/strong>\u4e0a\u3002\u5728\u7535\u5b50\u63ba\u6742AgBi3<\/sub>S5<\/sub>\u4e09\u5143\u786b\u5316\u7269\u5728300-800 K\u7684\u6e29\u5ea6\u8303\u56f4\u5185\uff0c\u5177\u6709\u8f83\u4f4e\u7684\u6676\u683c\u70ed\u5bfc0.5-0.3 Wm-1<\/sup>K-1<\/sup>\uff0c\u5176\u4f18\u5f02\u7684\u6027\u80fd\u7279\u70b9\u5f52\u56e0\u4e8eAg\u548cBi\u539f\u5b50\u7684\u53ccrattling\u58f0\u5b50\u632f\u52a8\u6a21\u5f0f\u3002\u5728\u9634\u79bb\u5b50\u4f4d\u70b9\u63ba\u6742\u6c2f\u79bb\u5b50\u4f5c\u4e3a\u7535\u5b50\u4f9b\u4f53\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8AgBi3<\/sub>S5<\/sub>\u4e09\u5143\u786b\u5316\u7269\u7684\u7535\u6027\u80fd\u3002\u672c\u6587\u91c7\u7528\u5355\u629b\u7269\u7ebf\u578b\u6a21\u578b\uff0c\u9610\u8ff0\u4e86\u8f7d\u6d41\u5b50\u6d53\u5ea6\u4e3a5\u00d71018<\/sup>-2\u00d71019<\/sup> cm-3<\/sup>\u8303\u56f4\u5185\u7684Seebeck\u7cfb\u6570\u53d8\u5316\u8d8b\u52bf\u3002\u540c\u65f6\uff0c\u91c7\u7528\u653e\u7535\u7b49\u79bb\u5b50\u70e7\u7ed3\u7684\u65b9\u6cd5\u5236\u5907\u4e860.33%\u6c2f\u63ba\u6742\u7684AgBi3<\/sub>S5<\/sub>\u4e09\u5143\u786b\u5316\u7269\uff0c\u5176\u70ed\u7535\u4f18\u503c\u5728800 K\u65f6\u63a5\u8fd1\u4e8e1.0\u3002<\/p>\n

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

\u56fe<\/strong>1. AgBi3<\/sub>S5<\/sub><\/strong>\u6676\u578b\u7ed3\u6784\u3001\u5143\u7d20\u5206\u5e03\u53ca\u6c2f\u79bb\u5b50\u63ba\u6742\u91cf\u4e0e\u8f7d\u6d41\u5b50\u6d53\u5ea6\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>AgBi3<\/sub>S5<\/sub>\u6676\u4f53\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(b) <\/strong>AgBi3<\/sub>S5<\/sub>\u53ca\u6c2f\u79bb\u5b50\u63ba\u6742AgBi3<\/sub>S5<\/sub>\u7684XRD\uff1b<\/p>\n

(c) <\/strong>0.33%\u6c2f\u63ba\u6742\u91cfAgBi3<\/sub>S5<\/sub>\u7684\u65ad\u88c2\u8868\u9762\u7684SEM\uff1b<\/p>\n

(d-f)<\/strong> 0.33%\u6c2f\u63ba\u6742\u91cfAgBi3<\/sub>S5<\/sub>\u7684EDS mapping (Ag, Bi, S)\uff1b<\/p>\n

(g)<\/strong> \u79bb\u5b50\u5316\u6c2f\u542b\u91cf\u4e0e\u8f7d\u6d41\u5b50\u6d53\u5ea6\u5173\u7cfb\uff08\u63d2\u56fe\u4e3a\u5ba4\u6e29\u4e0b\u7531\u7d2b\u5916\u53ef\u89c1\u4eea\u5668\u6d4b\u8bd5\u5f97\u5230\u7684AgBi3<\/sub>S5<\/sub>\u5149\u5b66\u5e26\u9699\u56fe\uff09\uff1b<\/p>\n

\u56fe<\/strong>2. <\/strong>\u4e0d\u540c\u6c2f\u63ba\u6742\u91cf<\/strong>AgBi3<\/sub>(S1-x<\/sub>Clx<\/sub>)5<\/sub><\/strong>\u7684\u7535\u5b50\u4f20\u5bfc\u3001<\/strong>Seebeck<\/strong>\u7cfb\u6570\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>\u4e0d\u540c\u6c2f\u63ba\u6742\u91cfAgBi3<\/sub>(S1-x<\/sub>Clx<\/sub>)5<\/sub>\u7684\u7535\u5b50\u4f20\u5bfc\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n

(b) <\/strong>\u4e0d\u540c\u6c2f\u63ba\u6742\u91cfAgBi3<\/sub>(S1-x<\/sub>Clx<\/sub>)5<\/sub>\u7684Seebeck\u7cfb\u6570\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n

(c) <\/strong>Seebeck\u7cfb\u6570\u4e0e\u7814\u7a76\u8303\u56f4\u5185\u7684\u8f7d\u6d41\u5b50\u6d53\u5ea6\u7684\u5355\u629b\u7269\u7ebf\u5f62\u6a21\u578b\u5173\u7cfb\u56fe\uff1b<\/p>\n

(d) <\/strong>\u4e0d\u540c\u6c2f\u63ba\u6742\u91cfAgBi3<\/sub>(S1-x<\/sub>Clx<\/sub>)5<\/sub>\u7684\u529f\u7387\u56e0\u6570\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n

\u56fe<\/strong>3. AgBi3<\/sub>(S1-x<\/sub>Clx<\/sub>)5<\/sub><\/strong>\u7684\u603b\u70ed\u5bfc\u3001<\/strong>ZT<\/strong>\u503c\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>AgBi3<\/sub>(S1-x<\/sub>Clx<\/sub>)5<\/sub>\u7684\u603b\u70ed\u5bfc\u548c\u6676\u683c\u70ed\u5bfc\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\uff1b<\/p>\n

(b) <\/strong>\u5df2\u62a5\u9053\u4e8c\u5143\u91d1\u5c5e\u786b\u5316\u7269\u7684\u603b\u70ed\u5bfc\u548c\u6676\u683c\u70ed\u5bfc\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\uff1b<\/p>\n

(c) <\/strong>AgBi3<\/sub>(S1-x<\/sub>Clx<\/sub>)5<\/sub>\u7684ZT\u503c\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\uff1b<\/p>\n

(d) <\/strong>\u5df2\u62a5\u9053\u4e8c\u5143\u91d1\u5c5e\u786b\u5316\u7269\u7684ZT\u503c\u4e0e\u6e29\u5ea6\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\uff1b<\/p>\n

\u56fe<\/strong>4. AgBi3<\/sub>S5<\/sub><\/strong>\u7684\u58f0\u5b50\u548c<\/strong>Gr\u00fcneisen<\/strong>\u8272\u6563<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>AgBi3<\/sub>S5<\/sub>\u7684\u58f0\u5b50\u8272\u6563\uff1b<\/p>\n

(b) <\/strong>AgBi3<\/sub>S5<\/sub>\u7684Gr\u00fcneisen\u8272\u6563\uff1b<\/p>\n

(c) <\/strong>AgBi3<\/sub>S5<\/sub>\u7684\u6676\u683c\u70ed\u5bfc\u548c\u6e29\u5ea6\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\uff0c\u5b9e\u9a8c\u548c\u7406\u8bba\u8ba1\u7b97\u7684\u70ed\u5bfc\u503c\u4e0e\u6e29\u5ea6\u7684\u51fd\u6570\uff1b<\/p>\n

(d) <\/strong>AgBi3<\/sub>S5<\/sub>\u7684\u58f0\u5b50\u6001\u5bc6\u5ea6\uff0c\u56fe\u4e2d\u53cc\u5cf0\u6765\u6e90\u4e8eAg\u548cBi\uff0c\u8868\u660e\u5177\u6709\u53ccrattler\u632f\u52a8\uff1b<\/p>\n

\u56fe<\/strong>5.<\/strong>\u56fe<\/strong>4a<\/strong>\u4e2d\u5173\u4e8e<\/strong>Z-\u0393-X<\/strong>\u5904\u7684\u58f0\u5b50\u8272\u6563\u62d3\u5c55\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u5728rattle\u6a21\u5f0f\u4e2d\u7684Z1\u5904\uff0c\u4e2d\u5fc3\u5c42\u7684\u4e24\u4e2aBi\u539f\u5b50\u5927\u5e45\u632f\u52a8\u800c\u5176\u4ed6Bi\u539f\u5b50\u632f\u5e45\u8f83\u5c0f\uff0c\u76f8\u4f3c\u5728X1\u5904\uff0c\u4e24\u4e2aAg\u539f\u5b50\u632f\u52a8\u5f3a\u70c8\uff0c\u5176\u4ed6\u4f4d\u7f6e\u76f8\u5bf9\u7a33\u5b9a\u3002\u7814\u7a76\u8868\u660eAg\u548cBi\u539f\u5b50\u5728\u4f4e\u9891\u7387\u7684\u53ccrattling\u632f\u52a8\u6a21\u5f0f\u4e2d\u6291\u5236\u4e86AgBi3<\/sub>S5<\/sub>\u7684\u6676\u683c\u70ed\u5bfc\u3002<\/p>\n

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

\u672c\u6587\u63d0\u51fa\u4e86\u7531\u4f4e\u6210\u672c\u3001\u65e0\u6bd2\u7a84\u5e26\u9699\u534a\u5bfc\u4f53\u6750\u6599AgBi3<\/sub>S5<\/sub>\uff0c\u901a\u8fc7\u8fdb\u4e00\u6b65\u7535\u5b50\u63ba\u6742\uff0c\u5f97\u5230\u7684AgBi3<\/sub>S5<\/sub>\u6750\u6599\u5177\u6709\u9ad8ZT\u503c\uff0c\u4f4e\u70ed\u4f20\u5bfc\u6027\u80fd\u7b49\u4f18\u70b9\u3002\u901a\u8fc7\u5f02\u4ef7\u79bb\u5b50\u63ba\u6742\u4f18\u5316\u8c03\u6574\u7535\u5bfc\u6027\u80fd\uff0c\u540c\u65f6\u57fa\u4e8e\u672c\u5f81\u6750\u6599\u7684\u4f4e\u70ed\u5bfc\u7279\u6027\uff0c\u7814\u7a76\u4eba\u5458\u5236\u5f97\u4e86\u9ad8\u6027\u80fd\u7684\u70ed\u7535\u6750\u6599AgBi3<\/sub>S5<\/sub>\u3002\u672c\u7814\u7a76\u5c55\u793a\u4e86\u4e00\u79cd\u72ec\u7279\u7684AgBi3<\/sub>S5<\/sub>\u53ccrattling\u58f0\u5b50\u632f\u52a8\u6a21\u5f0f\uff0c\u8be5\u6a21\u578b\u4e3b\u8981\u4e0eAgBi3<\/sub>S5<\/sub>\u4e2d\u7684Ag\u548cBi\u539f\u5b50\u6709\u5173\uff0c\u4ece\u800c\u5f15\u8d77\u4e86\u8d85\u9ad8\u7684Gr\u00fcneisen\u53c2\u6570\u548c\u8f83\u4f4e\u7684\u70ed\u4f20\u5bfc\u7279\u6027\u3002\u672c\u5de5\u4f5c\u65e8\u5728\u5f00\u53d1\u5177\u6709\u72ec\u7279\u7684\u7535\u5b50\u6216\u58f0\u5b50\u4f20\u5bfc\u7279\u6027\u7684\u9ad8\u6027\u80fd\u70ed\u7535\u6750\u6599\uff0c\u4e3a\u4ee5\u540e\u7684\u70ed\u7535\u6750\u6599\u7814\u7a76\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b0\u7684\u7814\u7a76\u7b56\u7565\u3002<\/p>\n

\u3010\u901a\u8baf\u4f5c\u8005\u7b80\u4ecb\u3011<\/strong><\/p>\n

Mercouri G. Kanatzidis<\/strong>\u6559\u6388\u662f\u7f8e\u56fd\u897f\u5317\u5927\u5b66\u8d44\u6df1\u6559\u6388\uff0c\u5728\u70ed\u7535\u9886\u57df\u9020\u8be3\u9887\u6df1\uff0c\u7814\u7a76\u65b9\u5411\u4e3a\u70ed\u7535\u6750\u6599\u3001\u91d1\u5c5e\u786b\u5c5e\u5316\u5408\u7269\u3001\u65e0\u673a\u56fa\u4f53\u5316\u5b66\u548c\u751f\u7269\u65e0\u673a\u5316\u5b66\u7b49\uff1b\u76ee\u524d\u5728Science\uff0cNature\u7b49\u6742\u5fd7\u4e0a\u53d1\u8868\u8bba\u65871000\u4f59\u7bc7\uff0c\u88ab\u5f15\u7528\u6b21\u6570\u8d85\u8fc741300\u591a\u6b21\uff0cH\u56e0\u5b50\u4e3a93\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>: <\/strong>High Thermoelectric Performance in Electron-Doped AgBi3S5 with Ultralow Thermal Conductivity<\/a>(J. Am. Chem. Soc., 2017, DOI: 10.1021\/jacs.7b02399)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u70b9\u70b9\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\u3002\u6750\u6599\u4eba\u7f51\u5c0a\u91cd\u6240\u6709\u8fdb\u884c\u77e5\u8bc6\u4f20\u64ad\u7684\u5a92\u4f53\uff0c\u5408\u4f5c\u8f6c\u8f7d\u8bf7\u8054\u7cfbtougao@cailiaoren.com<\/p>\n

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\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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