{"id":250028,"date":"2023-04-24T06:16:48","date_gmt":"2023-04-23T22:16:48","guid":{"rendered":"\/\/m.iemloyee.com\/?p=250028"},"modified":"2023-04-20T11:20:24","modified_gmt":"2023-04-20T03:20:24","slug":"%e6%9a%a8%e5%8d%97%e5%a4%a7%e5%ad%a6%e6%9d%8e%e9%97%bb%e5%93%b2%e8%8c%83%e5%bb%ba%e4%b8%9cchem%ef%bc%9a%e5%85%b7%e6%9c%89%e8%b6%85%e9%ab%98%e8%bf%81%e7%a7%bb%e7%8e%87%e7%9a%84br%e3%80%81i%e6%9c%89","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=250028","title":{"rendered":"\u66a8\u5357\u5927\u5b66\u674e\u95fb\u54f2&#038;\u8303\u5efa\u4e1cChem\uff1a\u5177\u6709\u8d85\u9ad8\u8fc1\u79fb\u7387\u7684Br\u3001I\u6709\u5e8f\u7684CsPbBr2I\u5168\u65e0\u673a\u9499\u949b\u77ff\u5355\u6676"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><strong><b>\u5bfc\u8bfb<\/b><\/strong><\/p>\n<p>CsPbX<sub>3<\/sub>\u5168\u65e0\u673a\u9499\u949b\u77ff\u6750\u6599\u51ed\u501f\u5176\u4f18\u5f02\u7684\u5149\u7535\u6027\u80fd\u3001\u51fa\u8272\u7684\u70ed\u7a33\u5b9a\u6027\uff0c\u5728\u5149\u7535\u5b50\u5668\u4ef6\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u5c3d\u7ba1\u901a\u8fc7\u591a\u79cd\u4e0d\u540c\u5364\u7d20\u7684\u6df7\u5408\u5df2\u7ecf\u62d3\u5c55\u51fa\u4e30\u5bcc\u7684CsPbX<sub>3<\/sub>\u9499\u949b\u77ff\u6750\u6599\u5bb6\u65cf\uff0c\u4f46\u5149\u7535\u6027\u80fd\u6700\u4f18\u7684CsPbI<sub>3<\/sub>\u9762\u4e34\u7740\u4e25\u91cd\u7684\u6e7f\u5ea6\u7a33\u5b9a\u6027\u95ee\u9898\u3002\u51c6\u5bf9\u8be5\u95ee\u9898\u7684\u5e38\u89c1\u7b56\u7565\u662f\u4f7f\u7528\u6709\u673a\u914d\u4f53\u4fdd\u62a4\u7684\u7eb3\u7c73\u6676\uff08NC\uff09\u6216\u91cf\u5b50\u70b9\uff08QDs\uff09\uff1b\u589e\u52a0X\u4f4d\u4e2d\u7684Br\u6216Cl\u542b\u91cf\uff1b\u6216\u8005\u5f15\u5165\u4e2d\u95f4\u76f8\u8bf1\u5bfc\u7a33\u5b9a\u7684CsPbI<sub>3<\/sub>\u591a\u6676\u8584\u819c\u5f62\u6210\u3002\u7136\u800c\uff0c\u4e0eNC\u6216\u591a\u6676\u8584\u819c\u76f8\u6bd4\uff0c\u65e0\u6676\u754c\u7684CsPbX<sub>3<\/sub>\u9499\u949b\u77ff\u5355\u6676\u8868\u73b0\u51fa\u66f4\u597d\u7684\u6027\u80fd\uff1a\u66f4\u4f4e\u7684\u9677\u9631\u6001\u5bc6\u5ea6\u3001\u66f4\u9ad8\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u548c\u66f4\u957f\u7684\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\uff0c\u5177\u6709\u66f4\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n<p>\u6eb6\u5242\u70ed\u65b9\u6cd5\u751f\u957f\u9499\u949b\u77ff\u5355\u6676\u53ef\u4ee5\u907f\u514d\u5927\u6e29\u5ea6\u53d8\u5316\u5f15\u8d77\u7684\u76f8\u53d8\u95ee\u9898\u3002\u7136\u800c\uff0c\u901a\u8fc7\u6eb6\u5242\u70ed\u65b9\u6cd5\u751f\u957fBr\u3001I\u6df7\u5408\u5364\u7d20\u7684CsPbBr<sub>3-X<\/sub>I<sub>X<\/sub>\u5168\u65e0\u673a\u9499\u949b\u77ff\u5355\u6676\u5b58\u5728\u4e25\u91cd\u7684\u5206\u76f8\u95ee\u9898\uff0c\u5bfc\u81f4\u65e0\u6cd5\u83b7\u5f97\u6beb\u7c73\u7ea7\u4ee5\u4e0a\u5c3a\u5bf8\u7684\u9499\u949b\u77ff\u5355\u6676\u3002\u5728Br\u3001I\u6df7\u5408\u7684CsPbBr<sub>3-<\/sub><sub>X<\/sub>I<sub>X<\/sub>\u4f53\u7cfb\u4e2d\uff0c\u7531\u4e8eCsI\u4e0e\u4e8c\u7532\u57fa\u4e9a\u781c\uff08DMSO\uff09\u7684\u5f3a\u914d\u4f4d\u80fd\u529b\uff0c\u4ee5\u53ca\u5171\u5b58\u7684CsBr\u548cPbBr<sub>2<\/sub>\u5f88\u5bb9\u6613\u5f62\u6210\u4e0d\u6eb6\u4e8eDMSO\u7684Cs<sub>4<\/sub>PbBr<sub>6<\/sub>\u526f\u4ea7\u7269\uff0c\u5bfc\u81f4\u4e86\u5176\u4e25\u91cd\u7684\u5206\u76f8\u95ee\u9898\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5c3d\u7ba1\u6df7\u5408\u5364\u7d20\u9499\u949b\u77ff\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9499\u949b\u77ff\u8584\u819c\u5668\u4ef6\u4e2d\uff0c\u4f46Br\u3001I\u7684\u6709\u5e8f\u6027\u5982\u4f55\u5f71\u54cd\u9499\u949b\u77ff\u5149\u7535\u7279\u6027\u5c1a\u672a\u6709\u7814\u7a76\u3002\u5728\u4f20\u7edf\u7684\u6c27\u57fa\u9499\u949b\u77ff\u4e2d\uff0c\u9634\u79bb\u5b50\u6709\u5e8f\u6027\u5728\u9499\u949b\u77ff\u6750\u6599\u7279\u6027\u5982\u7535\u8377\u8f93\u8fd0\u3001\u7ef4\u5ea6\u8c03\u63a7\u3001\u7ed3\u6784\u7a33\u5b9a\u6027\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u7136\u800c\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5f88\u5c11\u6709\u7814\u7a76\u5b9e\u73b0\u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u6750\u6599\u4e2dBr\u3001I\u7684\u6709\u5e8f\u6027\u8c03\u63a7\u3002<\/p>\n<p><strong><b>\u6210\u679c\u63a0\u5f71<\/b><\/strong><\/p>\n<p>\u53d7\u4e0a\u8ff0\u542f\u53d1\uff0c\u66a8\u5357\u5927\u5b66\u65b0\u80fd\u6e90\u6280\u672f\u7814\u7a76\u9662\u674e\u95fb\u54f2\u6559\u6388&amp;\u8303\u5efa\u4e1c\u6559\u6388\u56e2\u961f\u5f00\u53d1\u51fa\u4e86\u5229\u7528\u4e00\u79cd\u5168\u65b0\u7684Br\u3001I\u6709\u5e8f\u7684\u4e2d\u95f4\u4f53\u7ed3\u6784\u2014\u2014PbBrI(DMSO)<sub>2<\/sub>\u8bf1\u5bfcBr\u3001I\u6df7\u5408\u5364\u7d20\u5168\u65e0\u673a\u9499\u949b\u77ff\u5355\u6676\u7684\u751f\u957f\u65b9\u6cd5\u3002\u8be5\u4e2d\u95f4\u4f53\u5177\u6709\u524d\u6240\u672a\u6709\u7684Br\u3001I\u79bb\u5b50\u7684\u6709\u5e8f\u6392\u5217\uff0c\u901a\u8fc7\u539f\u4f4dXRD\u8868\u5f81\u4e86\u5176\u6676\u4f53\u7684\u751f\u957f\u52a8\u529b\u5b66\uff0c\u63ed\u793a\u4e86Br\u3001I\u6709\u5e8f\u4e2d\u95f4\u4f53\u8bf1\u5bfcCsPbBr<sub>2<\/sub>I\u9499\u949b\u77ff\u6676\u683c\u4e2dBr\u3001I\u6709\u5e8f\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width=\"1739\" height=\"1286\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/04\/\u9898\u56fe-6.png 1739w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/04\/\u9898\u56fe-6-300x222.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/04\/\u9898\u56fe-6-768x568.png 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/04\/\u9898\u56fe-6-1024x757.png 1024w\" sizes=\"(max-width: 1739px) 100vw, 1739px\" 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\u9499\u949b\u77ff\u5355\u6676\u751f\u957f\u3002\u57fa\u4e8e\u8be5\u65b9\u6cd5\u751f\u957f\u7684CsPbBr<sub>2<\/sub>I\u9499\u949b\u77ff\u7ed3\u6784\u4e2dBr\u3001I\u4ea4\u66ff\u5c42\u72b6\u6392\u5217\u3002\u8fd9\u79cd\u5364\u7d20\u6709\u5e8f\u6027\u8c03\u63a7\u80fd\u591f\u6709\u6548\u63d0\u9ad8\u9499\u949b\u77ff\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\uff0c\u66f4\u91cd\u8981\u7684\u662f\uff0c\u5364\u7d20\u6709\u5e8f\u8c03\u63a7\u5e26\u6765\u4e86\u524d\u6240\u672a\u6709\u7684\u7535\u8377\u8f93\u8fd0\u5404\u5411\u5f02\u6027\u3002\u5e76\u7531DFT\u8ba1\u7b97\u63ed\u793a\u4e86Br\u3001I\u6709\u5e8f\u6027\u5bf9\u9499\u949b\u77ff\u6750\u6599\u7684\u5149\u7535\u7279\u6027\u548c\u7535\u8377\u8f93\u8fd0\u6027\u80fd\u7684\u91cd\u8981\u4f5c\u7528\u3002\u672c\u7814\u7a76\u4e3a\u672a\u6765\u6df7\u5408\u5364\u7d20\u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u6750\u6599\u7684\u8fdb\u4e00\u6b65\u53d1\u5c55\u4e0e\u5e94\u7528\u63d0\u4f9b\u4e86\u65b0\u7684\u7814\u7a76\u65b9\u5411\u3002<\/p>\n<p>\u539f\u6587\u8be6\u60c5\uff1aDeng, Yuan, Xiong et al., Br-I ordered CsPbBr<sub>2<\/sub>I perovskite single crystal toward extremely high mobility, Chem (2023),\u00a0<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S245192942300133X\"><u>https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S245192942300133X<\/u><\/a><\/p>\n<p>DOI: 10.1016\/j.chempr.2023.03.014<\/p>\n<p>\u672c\u6587\u7531\u4f5c\u8005\u4f9b\u7a3f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; \u5bfc\u8bfb 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