{"id":216168,"date":"2021-01-15T06:30:29","date_gmt":"2021-01-14T22:30:29","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=216168"},"modified":"2021-01-14T16:38:58","modified_gmt":"2021-01-14T08:38:58","slug":"condensed-matter%ef%bc%9a%e6%b3%a8%e6%84%8f%ef%bc%81%e9%ab%98%e5%88%86%e8%be%a8%e9%80%8f%e5%b0%84%e7%94%b5%e9%95%9c%ef%bc%88hrtem%ef%bc%89%e6%8b%8d%e5%88%b0%e7%9a%84%e9%92%99%e9%92%9b%e7%9f%bf","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=216168","title":{"rendered":"Condensed Matter\uff1a\u6ce8\u610f\uff01\u9ad8\u5206\u8fa8\u900f\u5c04\u7535\u955c\uff08HRTEM\uff09\u62cd\u5230\u7684\u9499\u949b\u77ff\u53ef\u80fd\u662f\u5364\u5316\u94c5"},"content":{"rendered":"

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\u9ad8\u5206\u8fa8\u7387\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08HRTEM\uff09\u662f\u4e00\u79cd\u5df2\u88ab\u5e7f\u6cdb\u6210\u529f\u5730\u7528\u4e8e\u6676\u4f53\u7ed3\u6784\u8868\u5f81\uff0c\u529f\u80fd\u5f3a\u5927\u7684\u8868\u5f81\u5de5\u5177\u3002 \u8fd1\u5e74\u6765\uff0c\u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u56e0\u5176\u5353\u8d8a\u7684\u7269\u7406\u6027\u80fd\u548c\u80fd\u591f\u4ee5\u6eb6\u6db2\u6cd5\u5236\u5907\u7684\u4f18\u52bf\uff0c\u5728\u5404\u79cd\u5149\u7535\u5668\u4ef6\u9886\u57df\u4e2d\u5df2\u7ecf\u53d6\u5f97\u4e86\u5de8\u5927\u7684\u5173\u6ce8\u3002\u4f46\u662f\uff0c\u6700\u4e3a\u5e7f\u6cdb\u7814\u7a76\u7684\u7532\u80fa\u94c5\u7898\uff08MAPbI3<\/sub>\uff09\u9499\u949b\u77ff\u5bf9\u7535\u5b50\u675f\u7167\u5c04\u975e\u5e38\u654f\u611f\u3002\u5982\u56fe1\u6240\u793a\uff0c\u5728\u7535\u5b50\u675f\u7167\u5c04\u4e0b\uff0c\u56db\u65b9\u7ed3\u6784\u7684MAPbI3<\/sub>\u9499\u949b\u77ff\u4f1a\u964d\u89e3\u4e3a\u516d\u65b9\u7ed3\u6784\u7684\u7898\u5316\u94c5\uff08PbI2<\/sub>\uff09\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/b><\/strong>1.<\/b><\/strong>\u56db\u65b9\u7ed3\u6784<\/b><\/strong>\u7684MAPbI<\/b><\/strong>3<\/b><\/sub><\/strong>\u9499\u949b\u77ff<\/b><\/strong>\u88ab<\/b><\/strong>\u7535\u5b50\u675f<\/b><\/strong>\u7167\u5c04<\/b><\/strong>\u964d\u89e3\u4e3a\u516d\u65b9<\/b><\/strong>\u7ed3\u6784<\/b><\/strong>\u7684\u7898\u5316\u94c5PbI<\/b><\/strong>2\u3002<\/b><\/sub><\/strong><\/p>\n

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\"\"<\/p>\n

\u56fe<\/b><\/strong>2. <\/b><\/strong>\u5178\u578b<\/b><\/strong>\u7684HRTEM<\/b><\/strong>\u6570\u636e<\/b><\/strong>\u4e2d\u5b58\u5728\u6676\u9762<\/b><\/strong>\u7f3a\u5931<\/b><\/strong>\u7684\u60c5\u51b5\u3002\u00a0<\/b><\/strong>(A)<\/b><\/strong>\u00a0\u6cbf [110] \u6676\u5e26\u8f74\uff0c(1-10), (002) \u6676\u9762\u7f3a\u5931\uff08Nano letters\uff09\u3002(B)<\/b><\/strong>\u00a0\u6cbf\u00a0[101] \u6676\u5e26\u8f74\uff0c(020) \u6676\u9762\u7f3a\u5931\uff08Science advances\uff09\u3002\u00a0<\/span>(C)<\/b><\/strong>\u00a0\u6cbf\u00a0[-201] \u6676\u5e26\u8f74\uff0c(1-12), (112) \u6676\u9762\u7f3a\u5931\uff08Nature Photonics\uff09\u3002\u00a0<\/span>(D)<\/b><\/strong>\u00a0\u6cbf\u00a0[-120] \u6676\u5e26\u8f74\uff0c(002)\u6676\u9762\u7f3a\u5931\uff08Advanced materials\uff09\u3002\u00a0<\/span><\/p>\n

\"\"<\/p>\n

\u56fe<\/b><\/strong>\u00a03. <\/b><\/strong>\u672c\u5f81<\/b><\/strong>MAPbI<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0<\/b><\/strong>\u9499\u949b\u77ff\u7684<\/b><\/strong>\u7535\u955c\u548cXRD<\/b><\/strong>\u3002<\/b><\/strong>\u00a0(A)<\/b><\/strong>\u00a0\u6cbf[110] \u6676\u5e26\u8f74\uff0c\u7f3a\u5931\u7684 (1-10), (002) \u6676\u9762\u57281.5 e\u00c5-2<\/sup>\u7684\u6761\u4ef6\u4e0b\u88ab\u89c2\u5bdf\u5230\u4e86\u3002 (B) <\/b><\/strong>\u6cbf\u00a0[-201] \u6676\u5e26\u8f74\uff0c\u7f3a\u5931\u7684(1-12), (112) \u6676\u9762\u57283 e \u00c5-2<\/sup>\u7684\u51b7\u51bb\u7535\u955c\u4e0b\u88ab\u89c2\u5bdf\u5230\u4e86\u3002 (C)<\/b><\/strong>\u7f3a\u5931\u7684\u6676\u9762\u5728\u9009\u533a\u7535\u5b50\u884d\u5c04(SEAD)\u56fe\u6848\u4e2d\u4e5f\u88ab\u89c2\u5bdf\u5230\u3002\u00a0(D)<\/b><\/strong>\u00a0\u9664\u4e86\u7535\u955c\uff0c\u7f3a\u5931\u7684\u6676\u9762\u4e00\u76f4\u5c31\u5b58\u5728\u4e8eX\u5c04\u7ebf\u884d\u5c04(XRD)\u4e2d\uff0c\u8fd9\u662f\u56e0\u4e3aX\u5c04\u7ebf\u8868\u5f81\u5bf9\u6750\u6599\u635f\u4f24\u5c0f\u3002<\/p>\n

\u901a\u8fc7\u5bf9\u9499\u949b\u77ff\u7535\u5b50\u675f\u5206\u89e3\u8fc7\u7a0b\u7684\u7814\u7a76\uff0c\u7c97\u7565\u4f30\u8ba1\uff0cMAPbI3<\/sub>\u5927\u7ea6150e\u00c5-2<\/sup>\u7684\u603b\u5242\u91cf\u8f90\u7167\u4e0b\u5c31\u4f1a\u5f00\u59cb\u5206\u89e3\u4e3aPbI2<\/sub>\u3002\u4f46\u662f\uff0c\u6b63\u5e38HRTEM\u4e2d\u7535\u5b50\u5242\u91cf\u7684\u503c\u7ea6\u4e3a800\u20132000 e\u00c5–<\/sup>2<\/sup>\u00a0s-1<\/sup>\uff0c\u6709\u65f6\u53ef\u80fd\u66f4\u9ad8\uff0c\u56e0\u6b64\u5b9e\u9a8c\u4e2d\u7535\u5b50\u603b\u5242\u91cf\u53ef\u80fd\u4f1a\u8fdc\u9ad8\u4e8eMAPbI3<\/sub>\u9499\u949b\u77ff\u5206\u89e3\u7684\u4e34\u754c\u5242\u91cf\u3002\u540c\u65f6\uff0c\u5206\u89e3\u4ea7\u7269PbI2<\/sub>\u4e2d\u7684\u4e00\u4e9b\u6676\u9762\u95f4\u8ddd\u548c\u5939\u89d2\u4e0eMAPbI3<\/sub>\u975e\u5e38\u76f8\u4f3c\uff0c\u8fd9\u5c31\u4f7f\u5f97PbI2<\/sub>\u5f88\u5bb9\u6613\u88ab\u9519\u8bef\u6807\u5b9a\u4e3a\u9499\u949b\u77ff\u3002\u8fd9\u79cd\u9519\u8bef\u7269\u76f8\u6807\u5b9a\u7684\u4e00\u4e2a\u5178\u578b\u7279\u5f81\u5c31\u662f\u5f97\u5230\u7684\u6570\u636e\u4e2d\u5b58\u5728\u6676\u9762\u7f3a\u5931\u73b0\u8c61\uff0c\u800c\u4e14\u8fd9\u79cd\u9519\u8bef\u7684\u6807\u5b9a\u5728\u5df2\u7ecf\u53d1\u8868\u7684\u6587\u732e\u4e2d\u5e7f\u6cdb\u5b58\u5728\uff0c\u8fd9\u662f\u503c\u5f97\u6bcf\u4e00\u4e2a\u4eba\u8b66\u60d5\u7684\u3002\u6bd4\u8f83\u53ef\u559c\u7684\u662f\uff0c\u81ea\u4ece2018\u5e74\u4ee5\u6765\uff0c\u968f\u7740\u5bf9\u9499\u949b\u77ff\u6750\u6599\u7814\u7a76\u548c\u5173\u6ce8\u7684\u589e\u52a0\uff0c\u5b66\u672f\u754c\u5df2\u7ecf\u9010\u6e10\u5f00\u59cb\u5173\u6ce8\u4e86\u9ad8\u5206\u8fa8\u900f\u5c04\u7535\u955c\u4e0b\u9499\u949b\u77ff\u5bb9\u6613\u88ab\u964d\u89e3\u7684\u95ee\u9898\uff0c\u5728\u51b7\u51bb\u7535\u955c\u4ee5\u53ca\u4f4e\u5242\u91cf\u7535\u955c\u6280\u672f\u88ab\u7528\u4e8e\u8868\u5f81\u9499\u949b\u77ff\u540e\uff0c\u672c\u5f81\u9499\u949b\u77ff\u7684\u9ad8\u5206\u8fa8\u7ed3\u6784\u4e5f\u9010\u6e10\u88ab\u89c2\u5bdf\u5230\u4e86\u3002\u5982\u56fe3\u6240\u793a\uff0c\u5728\u4f4e\u5242\u91cf\u7535\u5b50\u6761\u4ef6\u4e0b\uff0c\u4e4b\u524d\u7f3a\u5931\u7684\u6676\u9762\u90fd\u56de\u6765\u4e86\uff0c\u8fd9\u4e5f\u8fdb\u4e00\u6b65\u8bba\u8bc1\u4e86\u4f5c\u8005\u524d\u9762\u5bf9\u6676\u9762\u7f3a\u5931\u8fd9\u4e00\u73b0\u8c61\u539f\u56e0\u7684\u5224\u65ad\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/b><\/strong>4. <\/b><\/strong>\u56db\u65b9\u7ed3\u6784<\/b><\/strong>MAPbI<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0<\/b><\/strong>\u9499\u949b\u77ff\u4e0e<\/b><\/strong>\u516d\u65b9<\/b><\/strong>\u7ed3\u6784<\/b><\/strong>P<\/b><\/strong>bI<\/b><\/strong>2<\/b><\/sub><\/strong>\u6a21\u62df<\/b><\/strong>\u7535\u5b50\u884d\u5c04<\/b><\/strong>\u56fe<\/b><\/strong>\u7684<\/b><\/strong>\u6bd4\u8f83\u3002<\/b><\/strong>(A)<\/b><\/strong>\u00a0MAPbI3<\/sub>\u00a0\u6cbf [110]\u6676\u5e26\u8f74\u3002(B)<\/b><\/strong>\u00a0PbI2<\/sub>\u6cbf\u00a0[4-41] \u6676\u5e26\u8f74\u3002(C)<\/b><\/strong>\u00a0MAPbI3<\/sub>\u6cbf\u00a0[101] \u6676\u5e26\u8f74\u3002(D)<\/b><\/strong>\u00a0PbI2<\/sub>\u6cbf\u00a0[8 10 1] \u6676\u5e26\u8f74\u3002(E)<\/b><\/strong>\u00a0MAPbI3<\/sub>\u6cbf\u00a0[-201]\u6676\u5e26\u8f74\u3002(F)<\/b><\/strong>\u00a0PbI2<\/sub>\u6cbf\u00a0[8-81] \u6676\u5e26\u8f74\u3002(G)<\/b><\/strong>\u00a0MAPbI3<\/sub>\u6cbf\u00a0[-120] \u6676\u5e26\u8f74\u3002(H)<\/b><\/strong>\u00a0PbI2<\/sub>\u6cbf\u00a0[-411] \u6676\u5e26\u8f74\u3002 \u6807\u6ce8\uff1a\u56fe\u4e2d\u7ea2\u5708\u6807\u8bb0\u7684\u6676\u9762\u5c31\u662f\u5728\u6587\u732e\u4e2d\u7f3a\u5931\u7684\u6676\u9762\u3002<\/p>\n

\u8fdb\u4e00\u6b65\u4f5c\u8005\u5bf9MAPbI3<\/sub>\u9499\u949b\u77ff\u6676\u9762\u7f3a\u5931\u6587\u732e\u8fdb\u884c\u68b3\u7406\u603b\u7ed3\uff0c\u5bf9\u53d1\u8868\u6587\u7ae0\u4e2d\u7684HRTEM\u6570\u636e\u8fdb\u884c\u91cd\u65b0\u6807\u5b9a\uff0c\u5f97\u51fa\u4e4b\u524d\u53d1\u8868\u7684\u6587\u7ae0\u4e2d\u7684\u7ed3\u6784\u5927\u6982\u7387\u662f\u5206\u89e3\u540e\u7684PbI2<\/sub>\uff0c\u800c\u4e0d\u662f\u771f\u6b63\u7684MAPbI3<\/sub>\u9499\u949b\u77ff\u3002\u5982\u56fe4\u6240\u793a\uff0c\u00a0PbI2<\/sub>\u4e2d\u5b58\u5728\u4e0eMAPbI3<\/sub>\u6781\u5176\u76f8\u4f3c\u7684\u6676\u9762\u95f4\u8ddd\u548c\u5939\u89d2\uff0c\u5982\u679c\u6ca1\u6709\u6ce8\u610f\u6676\u9762\u7f3a\u5931\u7684\u60c5\u51b5\uff0c\u6781\u5176\u5bb9\u6613\u5c06\u4e8c\u8005\u6df7\u6dc6\uff0c\u4e5f\u5c31\u662f\u628aPbI2<\/sub>\u9519\u8bef\u6807\u5b9a\u4e3aMAPbI3<\/sub>\u3002\u4f5c\u8005\u8fd8\u5bf9PbI2<\/sub>\u5176\u4ed6\u6676\u578b\u8fdb\u884c\u4e86\u6807\u5b9a\uff0c\u53d1\u73b0\u516d\u65b9\u7ed3\u6784\u7684PbI2<\/sub>\u7b26\u5408\u5f97\u975e\u5e38\u597d\uff0c\u8fd9\u4e5f\u548c\u5176\u4ed6\u62a5\u9053\u7684\u6587\u732e\u7b26\u5408\u3002\u4e3a\u4e86\u4f7f\u6bd4\u8f83\u548c\u7ea0\u6b63\u66f4\u52a0\u6e05\u6670\uff0c\u88681\u5217\u51fa\u4e86\u6cbf\u4e0d\u540c\u6676\u5e26\u8f74\u7684\u672c\u5f81MAPbI3<\/sub>\u548c\u6613\u6df7\u6dc6\u7684PbI2\u7684\u8be6\u7ec6\u6676\u683c\u53c2\u6570\u3002 \u540c\u65f6\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c[110]\u548c[001]\u65b9\u5411\u5728\u56db\u65b9MAPbI3<\/sub>\u9499\u949b\u77ff\u4e2d\u53ef\u4ee5\u770b\u4f5c\u662f\u7b49\u6548\u7684\u3002<\/p>\n

\u8868<\/b><\/strong>1. <\/b><\/strong>\u4e0e<\/b><\/strong>\u56fe4\u5bf9\u5e94\u7684\u4e0d\u540c\u6676\u5e26\u8f74\u7684<\/b><\/strong>\u56db\u65b9\u7ed3\u6784<\/b><\/strong>MAPbI<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0<\/b><\/strong>\u9499\u949b\u77ff\u4e0e<\/b><\/strong>\u516d\u65b9<\/b><\/strong>\u7ed3\u6784<\/b><\/strong>P<\/b><\/strong>bI<\/b><\/strong>2<\/b><\/sub><\/strong>\u6a21\u7684<\/b><\/strong>\u8be6\u7ec6<\/b><\/strong>\u6676\u4f53<\/b><\/strong>\u53c2\u6570\u3002<\/b><\/strong>\u6781\u5176\u76f8\u4f3c\u7684\u6676\u9762\u95f4\u8ddd\u548c\u6676\u9762\u5939\u89d2\u4f7f\u5f97\u5b83\u4eec\u88ab\u5f88\u5bb9\u6613\u6df7\u6dc6\u3002<\/p>\n

\"\"<\/p>\n

\u9274\u4e8eMAPbI3<\/sub>\u9499\u949b\u77ff\u5bf9\u7535\u5b50\u675f\u975e\u5e38\u654f\u611f\uff0c\u5206\u89e3\u4e34\u754c\u5242\u91cf\u7ea6\u4e3a\u6bcf\u5e73\u65b9\u57c3\u6570\u767e\u4e2a\u7535\u5b50\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u8868\u5f81\uff0c\u5c24\u5176\u662fHRTEM\uff0c\u5c06\u5242\u91cf\u4fdd\u6301\u5728\u4e34\u754c\u503c\u4ee5\u4e0b\u662f\u6781\u5177\u6311\u6218\u6027\u7684\u3002\u5728\u6b64\uff0c\u4f5c\u8005\u4e5f\u63d0\u4f9b\u4e86\u4e00\u4e9b\u53ef\u4ee5\u51cf\u5c11HRTEM\u4e2d\u7684\u8f90\u5c04\u635f\u4f24\u7684\u65b9\u6cd5\uff0c\u8fd9\u53ef\u80fd\u4f1a\u6709\u52a9\u4e8e\u83b7\u5f97\u9499\u949b\u77ff\u6750\u6599\u7684\u672c\u5f81\u7ed3\u6784\u3002\u5373\u4fbf\u5982\u6b64\uff0c\u5b9e\u9a8c\u4e2d\u603b\u7535\u5b50\u5242\u91cf\u4e5f\u5e94\u4f4e\u4e8eMAPbI3<\/sub>\u7684\u4e34\u754c\u5242\u91cf\uff0c\u5426\u5219\u5728HRTEM\u8868\u5f81\u671f\u95f4\u90fd\u4f1a\u53d1\u751f\u5b9e\u8d28\u6027\u7684\u5206\u89e3\u3002\u8fd9\u7bc7\u6587\u7ae0\u4e5f\u8b66\u793a\u6211\u4eec\u5728HRTEM\u7269\u76f8\u6807\u5b9a\u65f6\uff0c\u4ec5\u4ec5\u901a\u8fc7\u6d4b\u91cf\u6676\u9762\u4e4b\u95f4\u7684\u8ddd\u79bb\u548c\u89d2\u5ea6\u6765\u6807\u5b9a\u6750\u6599\u7269\u76f8\u662f\u4e0d\u53ef\u9760\u7684\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u786e\u4fdd\u6676\u9762\u7684\u5b8c\u6574\u6027\u3002\u8fd9\u9879\u7814\u7a76\u4e3a\u5c06\u6765\u5f7b\u5e95\u907f\u514d\u5728HRTEM\u8868\u5f81\u4e2d\u9499\u949b\u77ff\u6750\u6599\u7684\u9519\u8bef\u7269\u76f8\u6807\u5b9a\u63d0\u4f9b\u4e86\u6709\u76ca\u7684\u53c2\u8003\uff0c\u5bf9\u5b66\u672f\u754c\u6709\u975e\u5e38\u79ef\u6781\u7684\u501f\u9274\u610f\u4e49\u3002<\/p>\n

\u53c2\u8003\u6587\u732e\uff1aDeng, Y.-H. Common Phase and Structure Misidentifications in High-Resolution TEM Characterization of Perovskite Materials. Condens. Matter 2021, 6, 1.<\/p>\n

\u6587\u7ae0\u94fe\u63a5\uff1a\u00a0<\/span>https:\/\/www.mdpi.com\/2410-3896\/6\/1\/1<\/p>\n

DOI\uff1a10.3390\/condmat6010001<\/p>\n

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