{"id":77037,"date":"2017-04-25T06:30:55","date_gmt":"2017-04-24T22:30:55","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=77037"},"modified":"2017-04-24T23:42:42","modified_gmt":"2017-04-24T15:42:42","slug":"energ-environ-sci-%ef%bc%9a%e6%8f%90%e9%ab%98%e9%94%ae%e5%85%b1%e4%bb%b7%e6%80%a7%e4%bb%a5%e5%bc%b1%e5%8c%96%e8%bd%bd%e6%b5%81%e5%ad%90-%e5%a3%b0%e5%ad%90%e8%80%a6%e5%90%88%ef%bc%8c%e5%a2%9e","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=77037","title":{"rendered":"Energ. Environ. Sci.\uff1a\u63d0\u9ad8\u952e\u5171\u4ef7\u6027\u4ee5\u5f31\u5316\u8f7d\u6d41\u5b50-\u58f0\u5b50\u8026\u5408\uff0c\u589e\u5f3aBiCuSeO\u70ed\u7535\u6027\uff01"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u70ed\u7535\u6750\u6599\u53ca\u5176\u8bbe\u5907\uff0c\u53ef\u76f4\u63a5\u5b9e\u73b0\u5e9f\u70ed\u7684\u56de\u6536\uff0c\u8f6c\u53d8\u4e3a\u7535\u80fd\uff0c\u8fd9\u5bf9\u4e8e\u672a\u6765\u7684\u6e05\u6d01\u80fd\u6e90\u7684\u53ef\u6301\u7eed\u53d1\u5c55\u6709\u7740\u91cd\u8981\u610f\u4e49\u3002\u4f46\u56e0\u6750\u6599\u7684\u4f4e\u6548\u4e0e\u76ee\u524d\u6750\u6599\u70ed\u4e0e\u5316\u5b66\u7684\u4e0d\u7a33\u5b9a\u6027\uff0c\u5927\u89c4\u6a21\u5e94\u7528\u8fd8\u6709\u5f85\u8003\u7a76\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u5177\u7279\u5f02\u3001\u6709\u6548\u7684\u7535\u8377\u8f7d\u6d41\u5b50\u548c\u58f0\u5b50\u4f20\u8f93\u673a\u5236\uff0c\u540c\u65f6\u5728\u8fd0\u884c\u6e29\u5ea6\u8303\u56f4\u5185\u5177\u9ad8\u7a33\u5b9a\u6027\u7684\u65b0\u6750\u6599\u5bf9\u4e8e\u70ed\u7535\u6750\u6599\u7814\u7a76\u9886\u57df\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5728\u4e2d\u6e29\u6bb5\uff0cBiCuSeO\u8fd9\u4e00\u7c7b\u7852\u6c27\u5316\u7269\u662f\u975e\u5e38\u6709\u5e94\u7528\u524d\u666f\u7684\u70ed\u7535\u6750\u6599\uff0c\u4e3b\u8981\u662f\u56e0\u5176\u5177\u6709\u8d85\u4f4e\u7684\u6676\u683c\u70ed\u5bfc\u7387\uff08\u03baL<\/sub>\uff09\u548c\u9ad8\u8d5b\u8d1d\u514b\u7cfb\u6570\u3002\u7136\u800c\uff0c\u82e5\u60f3\u8981\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6750\u6599\u7684\u529f\u7387\u7cfb\u6570\u548cZT\u503c\u5374\u53d7\u9650\u4e8e\u5176\u672c\u5f81\u4f4e\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u7684\u5f71\u54cd\u3002<\/p>\n

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

\u6e05\u534e\u5927\u5b66\u6797\u5143\u534e\u6559\u6388\u548c\u534e\u76db\u987f\u5927\u5b66\u6768\u7ee7\u8f89\u6559\u6388<\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba\u4e8eEnergy & Environmental Science<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201cEnhancing thermoelectric performance in hierarchically structured BiCuSeO by increasing bond covalency and weakening carrier\u2013phonon coupling\u201d\u7684\u6587\u7ae0\uff0c\u62a5\u9053\u4e86\u63d0\u9ad8BiCuSeO\u6750\u6599\u70ed\u7535\u6027\u7684\u65b0\u65b9\u6cd5\uff0c\u901a\u8fc7\u5411\u5bfc\u7535Cu-Se\u5c42\u63ba\u5165\u5c11\u91cf\u7535\u8d1f\u6027\u7684Te\uff0c\u63d0\u9ad8\u4e86\u5316\u5b66\u952e\u5171\u4ef7\u6027\uff0c\u5f15\u8d77\u8f7d\u6d41\u5b50-\u58f0\u5b50\u8026\u5408\u7684\u5f31\u5316\uff0c\u5bfc\u81f4\u66f4\u5c0f\u7684\u6709\u6548\u8d28\u91cf\u4ece\u800c\u63d0\u9ad8\u4e86\u8f7d\u6d41\u5b50\u8fc1\u79fb\u6027\u3002\u540c\u65f6\uff0c\u7531\u4e8eBiCuSeO\u6750\u6599\u7684\u591a\u7ea7\u7ed3\u6784\uff0c\u52a0\u5f3a\u4e86\u58f0\u5b50\u6563\u5c04\uff0c\u4ece\u800cBi0.96<\/sub>Pb0.04<\/sub>CuSe0.95<\/sub>Te0.05<\/sub>O\u5728873K\u4e0b\uff0c ZT\u503c\u8fbe\u52301.2\uff0c\u8f83\u672a\u63ba\u6742Te\u7684Bi0.96<\/sub>Pb0.04<\/sub>CuSeO\u63d0\u9ad8\u4e8635%\uff0c\u8f83\u539f\u59cb\u6837\u54c1\u5219\u63d0\u9ad8\u4e862.4\u500d\u3002\u6b64\u9879\u7814\u7a76\u8868\u660e\u901a\u8fc7\u8c03\u8282\u5316\u5b66\u952e\u548c\u5bfc\u7535\u529f\u80fd\u5f31\u5316\u8f7d\u6d41\u5b50-\u58f0\u5b50\u8026\u5408\u662f\u63d0\u9ad8BiCuSeO\u70ed\u7535\u6027\u7684\u6709\u6548\u624b\u6bb5\u3002<\/p>\n

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

\u8868\u4e00\u3001300K\u4e0bBi0.96<\/sub>Pb0.04<\/sub>CuSe1-x<\/sub>Tex<\/sub>O\u6837\u54c1\u7684\u5404\u9879\u53c2\u6570<\/strong><\/p>\n

\"\"<\/p>\n

\u03c1-\u8d28\u91cf\u5bc6\u5ea6\uff1bp-\u7a7a\u7a74\u6d53\u5ea6\uff1b\u03bc-\u970d\u5c14\u8fc1\u79fb\u7387\uff1bS-\u8d5b\u8d1d\u514b\u7cfb\u6570\uff1bm*-\u6709\u6548\u8d28\u91cf\uff1bL-\u6d1b\u4f26\u5179\u5e38\u6570\uff1b<\/p>\n

vt<\/sub>-\u6a2a\u6ce2\u58f0\u901f\uff1bvl<\/sub>-\u7eb5\u6ce2\u58f0\u901f\uff1bvm<\/sub>-\u5e73\u5747\u58f0\u901f\uff1b\u03baL<\/sub>-\u6676\u683c\u70ed\u5bfc\u7387\uff1blph<\/sub>\u58f0\u5b50\u5e73\u5747\u8def\u5f84\u3002<\/p>\n

\u56fe\u4e00\u3001BiCuSeO\u6750\u6599\u7684\u7269\u76f8\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) Te\/Pb\u5171\u63ba\u6742\u7684BiCuSeO\u6837\u54c1XRD\u56fe\u8c31\u3002<\/p>\n

(b) (a)\u56fe\u4e2d\u6240\u9009\u533a\u57df\u7684\u653e\u5927\u56fe\u3002<\/p>\n

(c) Te L3<\/sub>\u8fd1\u8fb9\u5b9e\u9a8c\u4e0e\u7406\u8bba\u76f8\u5bf9\u6bd4\u7684XANES\u5149\u8c31\u3002\u6bcf\u4e2a\u7406\u8bba\u5149\u8c31\uff0c\u539f\u5b50\u6216\u539f\u5b50\u7c07\u7684\u534a\u5f84\u548c\u6570\u91cf\u5df2\u6807\u793a\u51fa\u3002<\/p>\n

\u56fe\u4e8c\u3001Te\/Pb\u5171\u63ba\u6742\u7684BiCuSeO\u6837\u54c1\u70ed\u7535\u53c2\u6570\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u672c\u7814\u7a76\u4e2dTe\/Pb\u5171\u63ba\u6742\u7684BiCuSeO\u6837\u54c1\u548c\u5176\u4ed6\u6587\u732e\u76f8\u5173\u7684Bi\u4f4d\u63ba\u6742\u7684BiCuSeO\u6837\u54c1\u7684\u03bc-\u03c1\u56fe\u3002\u63d2\u56fe\u4e3a\u5ba4\u6e29\u4e0b\u968fTe\u542b\u91cf\u589e\u52a0\u7684\u03bc\u548c\u03c1\u53d8\u5316\u66f2\u7ebf\u3002<\/p>\n

(b) \u56fa\u76f8\u53cd\u5e94\uff08SSR\uff09\u548c\u81ea\u8513\u5ef6\u9ad8\u6e29\u5408\u6210\uff08SHS\uff09\u5236\u5907\u7684BiCuSeO\u6837\u54c1\u7684\u6e29\u5ea6-\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u66f2\u7ebf\u3002\u865a\u7ebf\u5206\u522b\u6307\u03bc\u221dT-1.5<\/sup> \u548c\u03bc\u221dT-1.9<\/sup>\u7684\u5173\u7cfb\u3002<\/p>\n

(c) Te\/Pb\u5171\u63ba\u6742\u7684BiCuSeO\u6837\u54c1\u53ca\u5176\u4ed6\u6587\u732e\u4e0d\u540c\u5143\u7d20\u63ba\u6742\u7684m*\u221dP\u56fe\u3002\u865a\u7ebf\u6307\u51fa\u5b9e\u9a8c\u6570\u636e\uff1a\u84dd\u7ebf\u6307\u6240\u6709Bi\u4f4d\u63ba\u6742\u7684\u6837\u54c1\uff0c\u7ea2\u7ebf\u6307Pb\u63ba\u6742\u7684\u6837\u54c1\u3002<\/p>\n

\u56fe\u4e09\u3001Te\/Pb\u5171\u63ba\u6742\u7684BiCuSeO\u6837\u54c1\u7684\u7535\u8fd0\u8f93\u7279\u6027<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u6e29\u5ea6-\u7535\u5bfc\u7387\u5173\u7cfb\u66f2\u7ebf\u3002<\/p>\n

(b) \u6e29\u5ea6-\u8d5b\u8d1d\u514b\u7cfb\u6570\u5173\u7cfb\u66f2\u7ebf\u3002<\/p>\n

(c) \u6e29\u5ea6-\u529f\u7387\u7cfb\u6570\u5173\u7cfb\u66f2\u7ebf\u3002<\/p>\n

\u56fe\u56db\u3001Te\/Pb\u63ba\u6742\u7684BiCuSeO\u6837\u54c1\u7684\u70ed\u7535\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u6e29\u5ea6-\u6676\u683c\u70ed\u5bfc\u7387\u66f2\u7ebf\uff0c\u63d2\u56fe\u4e3a\u6e29\u5ea6-\u603b\u70ed\u5bfc\u7387\u66f2\u7ebf\u3002<\/p>\n

(b) Te\u63ba\u6742\u91cf-Bi0.96<\/sub>Pb0.04<\/sub>CuSe1-x<\/sub>Tex<\/sub>O\u58f0\u5b50\u5e73\u5747\u8def\u5f84\uff08MFP\uff1alph<\/sub>\uff09\u5173\u7cfb\u66f2\u7ebf\u3002<\/p>\n

(c) \u56fa\u76f8\u53cd\u5e94\uff08SSR\uff09\u548c\u81ea\u8513\u5ef6\u9ad8\u6e29\u5408\u6210\uff08SHS\uff09\u6cd5\u5236\u5907\u7684Bi1-y<\/sub>Pby<\/sub>CuSeO\u6837\u54c1\u5728323K\u548c623K\u4e0b\uff0cPb\u63ba\u6742\u91cf-\u03baL<\/sub>\u66f2\u7ebf\u3002\u5b9e\u7ebf\u4e3aDebye-Callaway\u6a21\u578b\u8ba1\u7b97\u503c\u3002<\/p>\n

(d) Bi0.96<\/sub>Pb0.04<\/sub>CuSe1-x<\/sub>Tex<\/sub>O\u6837\u54c1\u5728300K\u548c873K\u4e0bTe\u63ba\u6742\u91cf-\u03baL<\/sub>\u66f2\u7ebf\u3002Te\u542b\u91cf\u662f\u7531\u7535\u5b50\u63a2\u9488\u663e\u5fae\u5206\u6790\uff08EPMA\uff09\u6d4b\u5b9a\uff0c\u5b9e\u7ebf\u4e3aDebye-Callaway\u6a21\u578b\u8ba1\u7b97\u503c\u3002(c)\u548c(d)\u56fe\u8bef\u5dee\u5747\u4e3a20%\u3002<\/p>\n

\u56fe\u4e94\u3001BiCuSeO\u6837\u54c1\u7684\u663e\u5fae\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) Bi0.96<\/sub>Pb0.04<\/sub>CuSeO\u7684TEM\u56fe\uff0c\u767d\u8272\u7bad\u5934\u6307\u793a\u5747\u4e00\u5206\u90e8\u7684\u7eb3\u7c73\u70b9\u6cbf\u7740\u8fd1\u4e8e\u8868\u9762\u548c\u6676\u7c92\u5185\u90e8\u6269\u6563\u3002<\/p>\n

(b) \u7528HRTEM\u83b7\u77e5\u7eb3\u7c73\u70b9\u7684\u6676\u683c\u6761\u7eb9\u3002<\/p>\n

(c) Bi0.96<\/sub>Pb0.04<\/sub>CuSe0.95<\/sub>Te0.05<\/sub>O\u5185\u7eb3\u7c73\u5305\u542b\u7269Cu7<\/sub> Te4-x<\/sub>Sex<\/sub>\u7684TEM\u56fe\u3002<\/p>\n

(d) (c)\u56fe\u4e2d\u767d\u8272\u865a\u7ebf\u6846\u7684EDS\u56fe\u3002<\/p>\n

(e) (c)\u56fe\u4e2d\u9ec4\u8272\u65b9\u5f62\u6846\u7684HRTEM\u56fe\u3002<\/p>\n

(f) \u70ed\u4fb5\u8680\u540e\u6676\u7c92\u7684SEM\u56fe\u3002<\/p>\n

\u56fe\u516d\u3001BiCuSeO\u7684\u751f\u957f\u6563\u5c04\u673a\u5236<\/strong><\/p>\n

\"\"<\/p>\n

(a) BiCuSeO\u5168\u5c3a\u5ea6\u591a\u7ea7\u7ed3\u6784\u7684\u56fe\u793a\u3002<\/p>\n

(b) \u6e90\u4e8e\u5176\u4ed6\u6587\u732eBiCuSeO\u7684\u58f0\u5b50\u6001\u5bc6\u5ea6\uff0c\u4e0d\u540c\u58f0\u5b50\u6563\u5c04\u673a\u5236\u4e0bT-\u03baL<\/sub>\u66f2\u7ebf\uff0c\u7531Debye-Callaway\u6a21\u578b\u8ba1\u7b97\u3002\u5177\u4f4e\u3001\u4e2d\u3001\u9ad8\u9891\u7387\u7684\u58f0\u5b50\u5206\u522b\u4f1a\u88ab\u4e2d\u5c3a\u5ea6\u7684\u6676\u754c\uff08\u7ea2\u8272\u80cc\u666f\u533a\uff09\u3001\u7eb3\u7c73\u70b9\u6216\u7eb3\u7c73\u5305\u542b\u7269\uff08\u7eff\u8272\u80cc\u666f\u533a\uff09\u3001\u70b9\u7f3a\u9677\uff08\u84dd\u8272\u80cc\u666f\u533a\uff09\u6563\u5c04\u3002<\/p>\n

\u56fe\u4e03\u3001BiCuSeO\u57fa\u6750\u6599\u7684\u70ed\u7535\u6027\u6bd4\u8f83<\/strong><\/p>\n

\"\"<\/p>\n

(a) Te\/Pb\u5171\u63ba\u6742\u7684BiCuSeO\u7684\u65e0\u91cf\u7eb2\u70ed\u7535\u6027\u91cf\u503c\u3002<\/p>\n

(b) \u4e0d\u540c\u65b9\u6cd5\u5408\u6210\u548c\u63ba\u6742\u7684BiCuSeO\u57fa\u6750\u6599\u7684\u9ad8\u6e29\u6700\u5927ZT\u503c\u5bf9\u6bd4\uff0c(a)\u548c(b)\u56fe\u8bef\u5dee\u5747\u4e3a20%\u3002<\/p>\n

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

\u672c\u6587\u901a\u8fc7Te\/Pb\u5171\u63ba\u6742\uff0c\u6210\u529f\u5236\u5907\u51fa873K\u4e0b\u9ad8ZT\u503c\u7684BiCuSeO\u57fa\u70ed\u7535\u6750\u6599\uff0c\u8bc1\u5b9e\u901a\u8fc7\u5728Se\u4f4d\u4e0aTe\u7684\u66ff\u6362\uff0c\u964d\u4f4e\u4e86\u6750\u6599\u7684\u5316\u5b66\u952e\u79bb\u5b50\u6027\uff0c\u51cf\u5c11\u4e86\u8f7d\u6d41\u5b50\u6709\u6548\u8d28\u91cf\uff0c\u8fdb\u800c\u901a\u8fc7\u5f31\u5316\u4e86\u8f7d\u6d41\u5b50-\u58f0\u5b50\u8026\u5408\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\uff0c\u4ece\u800c\u83b7\u5f97\u4e86\u9ad8\u7535\u5bfc\u7387\u548c\u9ad8\u529f\u7387\u7cfb\u6570\u7684\u70ed\u7535\u6750\u6599\u3002\u7531\u6b64\uff0c\u5bf9\u5316\u5b66\u952e\u5408\u7406\u8bbe\u8ba1\uff0c\u5f31\u5316\u8f7d\u6d41\u5b50-\u58f0\u5b50\u8026\u5408\u4ece\u800c\u63d0\u9ad8\u6750\u6599\u7684\u672c\u5f81\u4f4e\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u7684\u65b9\u6cd5\u4e5f\u4e3a\u672a\u6765\u63d0\u9ad8BiCuSeO\u57fa\u6216\u5176\u4ed6\u70ed\u7535\u6750\u6599\u70ed\u7535\u6027\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6709\u6548\u9014\u5f84\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Enhancing thermoelectric performance in hierarchically structured BiCuSeO by increasing bond covalency and weakening carrier\u2013phonon coupling<\/a>\uff08Energ. Environ. Sci.\uff0c2017\uff0cDOI\uff1a10.1039\/C7EE00464H\uff09<\/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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