{"id":46821,"date":"2016-10-18T14:00:31","date_gmt":"2016-10-18T06:00:31","guid":{"rendered":"\/\/m.iemloyee.com\/?p=46821"},"modified":"2016-10-16T15:35:11","modified_gmt":"2016-10-16T07:35:11","slug":"jacs%ef%bc%9a%e6%9e%84%e5%bb%ba%e7%9b%b8%e5%88%86%e7%a6%bb%e5%a4%9a%e6%99%b6sn1%e2%88%92xpbxse%ef%bc%8c%e8%8e%b7%e5%be%97%e9%ab%98%e6%80%a7%e8%83%bd%e7%83%ad%e7%94%b5%e6%9d%90%e6%96%99","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=46821","title":{"rendered":"JACS\uff1a\u6784\u5efa\u76f8\u5206\u79bb\u591a\u6676Sn1\u2212xPbxSe\uff0c\u83b7\u5f97\u9ad8\u6027\u80fd\u70ed\u7535\u6750\u6599"},"content":{"rendered":"

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

\u70ed\u7535\u6750\u6599\uff0c\u53ef\u5c06\u70ed\u76f4\u63a5\u8f6c\u5316\u4e3a\u7535\u80fd\uff0c\u51ed\u6b64\u7279\u70b9\uff0c\u5c06\u7ed9\u672a\u6765\u7684\u53d1\u7535\u673a\u88c5\u7f6e\u5e26\u6765\u65b0\u7684\u9769\u547d\u3002\u70ed\u7535\u6750\u6599\u70ed\u7535\u6027\u7684\u5224\u65ad\u4e3b\u8981\u4f9d\u636e\u5176ZT\u503c\uff08ZT = S2\u03c3T\/\u03ba\uff0cS-\u8d5b\u8d1d\u514b\u7cfb\u6570\uff0c\u03c3-\u7535\u5bfc\u7387\uff0cT-\u7edd\u5bf9\u6e29\u5ea6\uff0c\u03ba-\u70ed\u5bfc\u7387\uff09\u3002\u76ee\u524d\u70ed\u7535\u6750\u6599\u9047\u5230\u7684\u4e3b\u8981\u95ee\u9898\u662f\u70ed\u7535\u8f6c\u5316\u6548\u7387\u8f83\u4f4e\uff0c\u56e0\u6b64\u9700\u8981\u63d0\u9ad8\u6750\u6599\u7684ZT\u503c\uff0c\u57fa\u672c\u65b9\u9488\u662f\u8981\u63d0\u9ad8\u529f\u7387\u7cfb\u6570\uff08S2\u03c3\uff09\uff0c\u6216\u662f\u964d\u4f4e\u70ed\u5bfc\u7387\u3002<\/p>\n

\u7531\u5730\u7403\u5bcc\u542b\u5ea6\u9ad8\u4e14\u65e0\u6c61\u67d3\u7684\u5143\u7d20\u7ec4\u6210\u7684SnSe\uff0c\u6709\u5f88\u5927\u7684\u6f5c\u529b\u53bb\u5e94\u7528\u4e8e\u65b0\u578b\u3001\u5ec9\u4ef7\u7684\u70ed\u7535\u53d1\u7535\u8bbe\u5907\u9886\u57df\u3002\u8fd1\u671f\u5c31\u6709\u62a5\u9053\u8bf4SnSe\u5355\u6676\u6cbfb\u8f74\u7684ZT\u503c\u53ef\u8fbe\u52302.6\uff0c\u5982\u6b64\u9ad8\u7684ZT\u503c\u5219\u6e90\u4e8e\u5176\u5de8\u5927\u7684\u58f0\u5b50\u975e\u7b80\u8c10\u632f\u52a8\u5bfc\u81f4\u7684\u4f4e\u70ed\u5bfc\u7387\u3002\u4f46\u662f\uff0cSnSe\u5355\u6676\u7684\u70ed\u7535\u6027\u662f\u9ad8\u5ea6\u5404\u5411\u5f02\u6027\u7684\u3002\u53e6\u5916\uff0c\u82e5\u5c06\u5355\u6676SnSe\u5e94\u7528\u5728\u5b9e\u9645\u7684\u70ed\u7535\u8bbe\u5907\u4e2d\uff0c\u6211\u4eec\u5f80\u5f80\u9700\u8981\u4e25\u683c\u63a7\u5236\u6761\u4ef6\u4f7f\u6676\u4f53\u6cbf\u7279\u5b9a\u65b9\u5411\u751f\u957f\uff0c\u8fd9\u5bf9\u4e8e\u5927\u89c4\u6a21\u7684\u5de5\u4e1a\u751f\u4ea7\u800c\u8a00\u592a\u56f0\u96be\u4e86\u3002\u591a\u6676\u7684\u5927\u5757\u6750\u6599\u8f83\u5355\u6676\u6765\u8bf4\u66f4\u9002\u5e94\u4e8e\u5927\u89c4\u6a21\u7684\u5de5\u4e1a\u5e94\u7528\uff0c\u4f46\u662f\uff0c\u7531\u4e8e\u591a\u6676\u7684\u4f4e\u7535\u5bfc\u7387\u3001\u9ad8\u70ed\u5bfc\u7387\u6027\u8d28\uff0c\u591a\u6676SnSe\u7684ZT\u503c\u4f1a\u8fc5\u901f\u7684\u964d\u4e3a1\u751a\u81f3\u66f4\u4f4e\u3002\u8981\u60f3\u540c\u65f6\u4f18\u5316\u591a\u6676SnSe\u7684\u7535\u53ca\u70ed\u4f20\u8f93\u6027\u8d28\uff0c\u5c31\u9700\u8981\u8c03\u8c10\u5176\u8f7d\u6d41\u5b50\u6d53\u5ea6\u548c\u7ed3\u6784\u3002<\/p>\n

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

\u5357\u4eac\u7406\u5de5\u5927\u5b66\u5510\u56fd\u680b\u3001\u4e2d\u79d1\u9662\u56fa\u4f53\u7269\u7406\u7814\u7a76\u6240\u5f20\u5065\u3001\u5317\u822a\u8d75\u7acb\u4e1c\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u5229\u7528\u6c34\u70ed\u6cd5\u5408\u6210\u51fa\u76f8\u5206\u79bb\u7684Sn1\u2212xPbxSe\u6750\u6599\uff0c\u5e76\u8bc1\u5b9e\u8fd9\u79cd\u6750\u6599\u53ef\u540c\u65f6\u5b9e\u73b0\u4f18\u5316\u529f\u7387\u7cfb\u6570\u53ca\u964d\u4f4e\u70ed\u5bfc\u7387\u3002PbSe\u76f8\u7684\u5f15\u5165\u6709\u52a9\u4e8e\u63d0\u9ad8SnSe\u76f8\u7684\u7535\u5bfc\u7387\u548c\u529f\u7387\u7cfb\u6570\uff0c\u540c\u65f6\uff0c\u7eb3\u7c73\u5c3a\u5ea6\u7684\u6c89\u79ef\u76f8\u548c\u4ecb\u89c2\u5c3a\u5ea6\u7684\u6676\u7c92\u5f62\u6210\u7684\u591a\u7ea7\u7ed3\u6784\u53ef\u4ee5\u5f88\u597d\u7684\u6563\u5c04\u58f0\u5b50\uff0c\u8fdb\u800c\u5bfc\u81f4\u4f4e\u6676\u683c\u70ed\u5bfc\u7387\u3002\u8fd9\u4e24\u4e2a\u6709\u5229\u56e0\u7d20\u534f\u540c\u4f5c\u7528\u4f7f\u591a\u6676SnSe+1% PbSe\uff08\u6cbf\u7740\u65bd\u538b\u65b9\u5411\uff09\u5177\u6709\u5f88\u597d\u7684\u70ed\u7535\u6027\uff0cZT\u503c\u5728873K\u65f6\u53ef\u8fbe\u52301.7\uff0c\u663e\u7136\uff0c\u8fd9\u662f\u76ee\u524d\u591a\u6676SnSe\u6750\u6599\u80fd\u8fbe\u5230\u7684\u6700\u9ad8ZT\u503c\u4e86\u3002\u8fd9\u9879\u7814\u7a76\u4e5f\u5c06\u7167\u4eae\u5b9e\u73b0\u9ad8\u6548\u56fa\u4f53\u70ed\u7535\u8bbe\u5907\u4e4b\u8def\u3002<\/p>\n

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

\u56fe\u4e00\u3001SnSe + x mol % PbSe\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) SnSe + x mol % PbSe\u6837\u54c1XRD\u56fe\u8c31\u4e0e(b) \u6676\u683c\u53c2\u6570c\u3002PbSe\u548cSnSe\u7684\u6807\u51c6\u5cf0\u5206\u522b\u5728\u56fe(a)\u4e2d\u8868\u793a\u51fa\u6765\u3002<\/p>\n

\u56fe\u4e8c\u3001SnSe + 1 % PbSe\u7684\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) SnSe + 1 % PbSe\u7684\u76f8\u6620\u5c04\u56fe\u3002\u5229\u7528T-DBSD\u8fdb\u884c\u63a2\u6d4b\uff0c\u7ea2\u8272\u6676\u7c92\u662fPbSe\u7acb\u65b9\u76f8\uff0c\u84dd\u8272\u6676\u7c92\u662f\u6b63\u4ea4\u76f8\u3002<\/p>\n

(b) T-EBSD\u7ed3\u675f\u540e\uff0c\u5bf9\u6837\u54c1\u53c8\u8fdb\u884cTEM\u63a2\u6d4b\uff0c\u83b7\u5f97TEM\u56fe\u50cf\u3002<\/p>\n

\u56fe\u4e09\u3001\u5229\u7528T-EBSD\u5bf9SnSe + 1 % PbSe\u6837\u54c1\u8fdb\u884c\u63a2\u6d4b\uff0c\u83b7\u5f97\u53cd\u6781\u56fe\uff08IPF\uff09<\/strong><\/p>\n

\"\"<\/p>\n

(a) IPF X\u8f74\u76f8\u56fe<\/p>\n

(b) IPF Y\u8f74\u76f8\u56fe<\/p>\n

(c) IPF Z\u8f74\u76f8\u56fe<\/p>\n

\u4e0d\u540c\u7684\u989c\u8272\u6839\u636e\u8f74\u5411\u53cd\u6620\u65b9\u5411\uff0c\u5982\u5de6\u4e0b\u89d2\u8272\u677f\u6240\u793a\u3002<\/p>\n

\u56fe\u56db\u3001\u6837\u54c1\u4e0d\u540c\u7684\u7279\u6027\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u7535\u5bfc\u7387\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (b) \u8d5b\u8d1d\u514b\u7cfb\u6570\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (c) \u529f\u7387\u7cfb\u6570<\/p>\n

(d) \u603b\u70ed\u5bfc\u7387\u00a0\u00a0\u00a0(e) \u6676\u683c\u70ed\u5bfc\u7387\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(f) \u5782\u76f4\u4e8e\u538b\u529b\u65b9\u5411\u4e0a\u7684\u591a\u6676\u6837\u54c1SnSe + x mol % PbSe\u7684ZT\u503c\u3002<\/p>\n

\u56fe\u4e2d\u5206\u522b\u6bd4\u8f83\u4e86SnSe\u5355\u6676\uff0c\u591a\u6676SnSe\uff0c\u6709Ag\u63ba\u6742\u7684\u591a\u6676SnSe\u3002<\/p>\n

\u56fe\u4e94\u3001SnSe + 1 % PbSe\u6837\u54c1\u7684\u5fae\u89c2\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u4f4e\u500d\u653e\u5927\u7684TEM\u56fe\u50cf<\/p>\n

(b) \u4e2d\u500d\u653e\u5927\u7684TEM\u56fe\u50cf\uff0c\u53ef\u770b\u51fa\u7eb3\u7c73\u7ea7\u6c89\u79ef\u7269\u7684\u5b58\u5728<\/p>\n

(c)\u548c(d)\u6676\u7c92\u7684SAED\u82b1\u6837\u884d\u5c04\u56fe\uff0c\u5206\u522b\u4e3a\u56fe(a)\u76841\u533a\u548c2\u533a<\/p>\n

\u56fe\u516d\u3001\u4ecb\u89c2\u5c3a\u5ea6\u6676\u7c92\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u4ecb\u89c2\u5c3a\u5ea6\u6676\u7c92\u7684TEM\u56fe\u50cf<\/p>\n

(b) \u56fe(a)\u4e2d\u6837\u54c1\u7684\u6676\u7c92\u5c3a\u5bf8\u5206\u5e03\u67f1\u72b6\u56fe<\/p>\n

\u56fe\u4e03\u3001\u6cbf\u7740\u4e0d\u540c\u65b9\u5411\u68c0\u6d4bSnSe + 1 % PbSe\u7684\u7279\u5f81\u53c2\u6570\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u7535\u5bfc\u7387\u00a0\u00a0\u00a0\u00a0\u00a0 (b) \u8d5b\u8d1d\u514b\u7cfb\u6570\u00a0\u00a0\u00a0\u00a0\u00a0 (c) \u70ed\u5bfc\u7387\u00a0\u00a0\u00a0\u00a0\u00a0 (d) ZT\u503c\u3002<\/p>\n

\u6bd4\u8f83\u6cbf\u7740\u65bd\u538b\u65b9\u5411\u548c\u5782\u76f4\u4e8e\u65bd\u538b\u65b9\u5411\u65f6\u7684\u7279\u5f81\u53c2\u6570\u503c\u3002\u6700\u9ad8ZT\u503c\u51fa\u73b0\u5728873K\uff0c\u6cbf\u7740\u65bd\u538b\u65b9\u5411\u65f6\u3002<\/p>\n

\u56fe\u516b\u3001\u6bd4\u8f83SnSe + 1 % PbSe\u548c\u65e0Pb\u7684SnSe\u7684\u7279\u5f81\u53c2\u6570\u4e0e\u6e29\u5ea6\u95f4\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u7535\u5bfc\u7387\uff0c(b) \u8d5b\u8d1d\u514b\u7cfb\u6570\uff0c(c) \u70ed\u5bfc\u7387\uff0c(d) ZT\u503c\u3002\u5747\u5728\u76f8\u540c\u8fc7\u7a0b\u4e0b\u8fdb\u884c\u6837\u54c1\u6027\u80fd\u6bd4\u8f83\u3002<\/p>\n

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

\u6b64\u6b21\u7814\u7a76\u8fd0\u7528\u4e86\u4e00\u4e2a\u4f4e\u4ef7\u9ad8\u6548\u7684\u65b9\u6cd5\u6210\u529f\u5408\u6210\u4e86\u5177\u9ad8\u70ed\u7535\u6027\u7684\u70ed\u7535\u6750\u6599\u3002\u901a\u8fc7\u8c03\u8c10\u8f7d\u6d41\u5b50\u6d53\u5ea6\u5e76\u63a7\u5236\u7ed3\u6784\uff0c\u80fd\u540c\u65f6\u4f18\u5316\u591a\u6676SnSe\u7684\u7535\u5b66\u53ca\u70ed\u5b66\u4f20\u8f93\u6027\u8d28\u3002\u800cPbSe\u76f8\u7684\u5f15\u5165\u663e\u8457\u4fc3\u8fdb\u4e86SnSe\u76f8\u7684\u7535\u5bfc\u7387\u53ca\u529f\u7387\u7cfb\u6570\u3002\u540c\u65f6\uff0c\u5168\u5c3a\u5ea6\u7684\u591a\u7ea7\u7ed3\u6784\u4e5f\u6781\u5927\u7684\u964d\u4f4e\u4e86\u6676\u683c\u70ed\u5bfc\u7387\u3002\u4f7f\u5f97\u76f8\u5206\u79bb\u7684SnSe + x mol % PbSe\u7684ZT\u503c\u8981\u8f83\u76ee\u524d\u62a5\u9053\u7684\u591a\u6676SnSe\u8981\u66f4\u9ad8\u3002\u591a\u6676SnSe\u5728ZT\u503c\u4e0a\u7684\u5de8\u5927\u63d0\u9ad8\u5c06\u4e3a\u5176\u5728\u5e9f\u70ed\u7684\u518d\u5229\u7528\u53ca\u53d1\u7535\u8bbe\u5907\u9886\u57df\u5f00\u542f\u65b0\u901a\u8def\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aRealizing High Figure of Merit in Phase-Separated Polycrystalline Sn1\u2212xPbxSe<\/a>\uff08JACS\uff0c2016\uff0cDOI\uff1a10.1021\/jacs.6b07010\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u5927\u9ed1\u5929\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

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