{"id":76498,"date":"2017-04-18T06:30:00","date_gmt":"2017-04-17T22:30:00","guid":{"rendered":"\/\/m.iemloyee.com\/?p=76498"},"modified":"2017-04-16T20:03:58","modified_gmt":"2017-04-16T12:03:58","slug":"jacs%ef%bc%9acspbbr3%e9%92%99%e9%92%9b%e7%9f%bf%e7%ba%b3%e7%b1%b3%e6%99%b6%e5%88%b0%e5%b0%91%e9%93%85%e7%9a%84cs4pbbr6%e7%ba%b3%e7%b1%b3%e6%99%b6%e7%9a%84%e9%85%8d%e4%bd%93%e8%be%85%e5%8a%a9%e8%bd%ac","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=76498","title":{"rendered":"JACS\uff1aCsPbBr3\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u5230\u5c11\u94c5\u7684Cs4PbBr6\u7eb3\u7c73\u6676\u7684\u914d\u4f53\u8f85\u52a9\u8f6c\u53d8"},"content":{"rendered":"

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

\u7531\u4e8e\u80f6\u4f53\u7eb3\u7c73\u6676\u5177\u6709\u7740\u8f83\u5927\u7684\u8868\u9762\u79ef-\u4f53\u79ef\u6bd4\u548c\u8f83\u77ed\u7684\u6269\u6563\u8ddd\u79bb\uff0c\u56e0\u6b64\u5bf9\u5176\u8fdb\u884c\u5236\u5907\u540e\u5316\u5b66\u5904\u7406\uff0c\u4f8b\u5982\u79bb\u5b50\u4ea4\u6362\uff0c\u7eb3\u7c73\u5c3a\u5ea6\u7684\u67ef\u80af\u8fbe\u5c14\u6548\u5e94\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\u3002\u8fd9\u4e9b\u8f6c\u53d8\u4e3a\u5236\u5907\u4e00\u4e9b\u4e0d\u80fd\u76f4\u63a5\u5236\u5907\u6216\u8005\u8f83\u96be\u5236\u5907\u7684\u65b0\u7ed3\u6784\u63d0\u4f9b\u4e86\u9014\u5f84\u3002\u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ffCH3<\/sub>NH3<\/sub>PbX3<\/sub>\uff08X=Cl\uff0cBr\uff0cI\uff09\u548c\u5168\u65e0\u673a\u9499\u949b\u77ffCsPbX3<\/sub>\uff08X=Cl\uff0cBr\uff0cI\uff09\u88ab\u8ba4\u4e3a\u662f\u4e00\u79cd\u5177\u6709\u5438\u5f15\u529b\u7684\u5149\u7535\u5b50\u6750\u6599\uff0c\u7531\u4e8e\u5364\u7d20\u79bb\u5b50\u7684\u9ad8\u8fc1\u79fb\u7387\uff0c\u79bb\u5b50\u4ea4\u6362\u7684\u65b9\u6cd5\u88ab\u6210\u529f\u7528\u5728\u9499\u949b\u77ff\u6750\u6599\u4e0a\uff0c\u5236\u5907\u51fa\u4e86\u4e00\u7cfb\u5217\u4e0d\u540c\u7ec4\u5206\u7684\u7eb3\u7c73\u6676\u3002<\/p>\n

\u00a0 \u00a0\u00a0\u7ec4\u6210\u9499\u949b\u77ff\u7684\u79bb\u5b50\u7279\u6027\u4f7f\u5f97\u4ed6\u4eec\u5728\u6781\u6027\u6eb6\u6db2\u4e2d\u6709\u7740\u4e0d\u7a33\u5b9a\u6027\uff0c\u4e0eIII-V\uff0cII-Vl\u65cf\u5143\u7d20\u7ec4\u6210\u7684\u4f20\u7edf\u534a\u5bfc\u4f53\u7eb3\u7c73\u6676\u4e0d\u540c\uff0c\u5bf9\u5176\u5728\u5408\u9002\u7684\u6761\u4ef6\u4e0b\u8fdb\u884c\u914d\u4f53\u4ea4\u6362\u662f\u4e00\u4e2a\u5bcc\u6709\u6311\u6218\u6027\u7684\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u7406\u89e3\u5176\u964d\u89e3\u673a\u5236\u6210\u4e3a\u4e86\u5c06\u5176\u63a8\u5411\u5b9e\u9645\u5e94\u7528\u7684\u5148\u51b3\u6761\u4ef6\u3002<\/p>\n

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

\u82cf\u5dde\u5927\u5b66<\/strong>\u7684\u9a6c\u4e07\u91cc\u6559\u6388<\/strong>\u548c\u4f2f\u514b\u5229\u5927\u5b66\u7684A. Paul Alivisatos<\/strong>\u6559\u6388<\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u8bfe\u9898\u7ec4\u5c55\u793a\u4e86\u4e00\u79cd\u7531CsPbBr3<\/sub>\u5230Cs4<\/sub>PbBr6<\/sub>\u7eb3\u7c73\u6676\u7684\u5316\u5b66\u8f6c\u53d8\uff0c\u8fd9\u4e2a\u8f6c\u53d8\u7531\u4e00\u4e2a\u4e24\u6b65\u7684\u6eb6\u89e3-\u91cd\u7ed3\u6676\u673a\u5236\u51b3\u5b9a\uff0c\u5e76\u4e14\u53d7\u5230\u914d\u4f53\u58f3\u5c42\u73af\u5883\u7684\u5f71\u54cd\u3002\u8bfe\u9898\u7ec4\u5c1d\u8bd5\u4e86\u6cb9\u80fa\u548c\u591a\u79cd\u70f7\u57fa\u786b\u9187\uff0c\u53d1\u73b0\u6cb9\u80fa\u5bf9\u4e8e\u5f15\u53d1\u8fd9\u4e2a\u8fc7\u7a0b\u81f3\u5173\u91cd\u8981\uff0c\u800c\u786b\u9187\u5bf9\u4e8e\u63d0\u9ad8Cs4<\/sub>PbBr6<\/sub>\u7eb3\u7c73\u6676\u7684\u7a33\u5b9a\u6027\u548c\u5747\u5300\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n

\u56fe<\/strong>1<\/strong>\uff1a<\/strong>CsPbX3<\/sub><\/strong>\u548c<\/strong>Cs4<\/sub>PbBr6<\/sub><\/strong>\u7684\u6676\u4f53\u7ed3\u6784\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/a><\/p>\n

\uff08a\uff09<\/span> <\/span>CsPbX<\/span>3<\/span><\/sub><\/span>\u6676\u4f53\u7ed3\u6784\u793a\u610f\u56fe<\/span><\/p>\n

\uff08b\uff09<\/span> <\/span>Cs<\/span>4<\/span><\/sub>PbBr<\/span>6<\/span><\/sub><\/span>\u6cbf<\/span>c<\/span><\/span>\u8f74\u65b9\u5411\u6676\u4f53\u7ed3\u6784<\/span><\/p>\n

\uff08c\uff09<\/span>\u00a0 <\/span><\/span><\/span>Cs<\/span>4<\/span><\/sub>PbBr<\/span>6<\/span><\/sub><\/span>\u5782\u76f4<\/span>c<\/span><\/span>\u8f74\u65b9\u5411\u6676\u4f53\u7ed3\u6784<\/span><\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a\u7ed3\u6784\u548c\u5149\u8c31\u8868\u5f81<\/strong><\/p>\n

\"\"<\/a><\/p>\n

\uff08<\/span>a<\/span><\/span>\uff09\uff08<\/span>b<\/span><\/span>\uff09\u4e0d\u540c\u653e\u5927\u500d\u6570\u7684<\/span>Cs<\/span>4<\/span><\/sub>PbBr<\/span>6<\/span><\/sub><\/span>\u7eb3\u7c73\u6676\u7684\u900f\u5c04\u7535\u955c\u56fe\u7247<\/span><\/p>\n

\uff08<\/span>c<\/span><\/span>\uff09\u5355\u9897<\/span>Cs<\/span>4<\/span><\/sub>PbBr<\/span>6<\/span><\/sub><\/span>\u7eb3\u7c73\u6676\u7684\u9ad8\u500d\u900f\u5c04\u7535\u955c\u56fe\u7247<\/span><\/p>\n

\uff08<\/span>d<\/span><\/span>\uff09<\/span>Cs<\/span>4<\/span><\/sub>PbBr<\/span>6<\/span><\/sub><\/span>\u7eb3\u7c73\u6676\u7684<\/span>XRD<\/span><\/span>\u56fe\u8c31\u4ee5\u53ca\u4e0e\u5757\u4f53<\/span>Cs<\/span>4<\/span><\/sub>PbBr<\/span>6<\/span><\/sub><\/span>\u7c89\u672b<\/span>PDF<\/span><\/span>\u5361\u7247\u5bf9\u6bd4<\/span><\/p>\n

\uff08<\/span>f<\/span><\/span>\uff09<\/span>Cs<\/span>4<\/span><\/sub>PbBr<\/span>6<\/span><\/sub><\/span>\u7eb3\u7c73\u6676\u5728\u5df1\u70f7\u4e2d\u7684\u5438\u6536\u5149\u8c31\u3002\u63d2\u5165\u7684\u56fe\u7247\u662f<\/span>Cs<\/span>4<\/span><\/sub>PbBr<\/span>6<\/span><\/sub><\/span>\u7eb3\u7c73\u6676\u5206\u6563\u5728\u5df1\u70f7\u4e2d\u5f62\u6210\u7684\u65e0\u8272\u900f\u660e\u6eb6\u6db2<\/span><\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a\u6cb9\u80fa\uff08<\/strong>OLA<\/strong>\uff09\u548c\u4e19\u70f7\u4e8c\u786b\u9187\uff08<\/strong>PDT<\/strong>\uff09\u5bf9\u8f6c\u53d8\u884c\u4e3a\u7684\u5f71\u54cd<\/strong><\/p>\n

\"\"<\/a><\/p>\n

\uff08<\/span>a-c<\/span><\/span>\uff09\u5b58\u5728<\/span>PDT<\/span><\/span>\u7684\u6761\u4ef6\u4e0b\uff0c<\/span>OLA<\/span><\/span>\u7684\u91cf\u5bf9\u4e8e\u8f6c\u53d8\u884c\u4e3a\u7684\u5f71\u54cd<\/span><\/p>\n

\uff08d\uff09<\/span> <\/span>\u6ca1\u6709<\/span>PDT<\/span><\/span>\u7684\u6761\u4ef6\u4e0b\uff0c<\/span>OLA<\/span><\/span>\u7684\u91cf\u5bf9\u4e8e\u8f6c\u53d8\u884c\u4e3a\u7684\u5f71\u54cd<\/span><\/p>\n

\uff08<\/span>a<\/span><\/span>\uff09\uff08<\/span>b<\/span><\/span>\uff09\u4e3a\u5438\u6536\u5149\u8c31\uff0c\uff08<\/span>c<\/span><\/span>\uff09\uff08<\/span>d<\/span><\/span>\uff09\u4e3a\u53d1\u5c04\u5149\u8c31<\/span><\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a<\/strong>OLA<\/strong>\u548c<\/strong>PDT<\/strong>\u5b58\u5728\u7684\u60c5\u51b5\u4e0b\uff0c<\/strong>CsPbX3<\/sub><\/strong>\u5230<\/strong>Cs4<\/sub>PbBr6<\/sub><\/strong>\u8f6c\u53d8\u8fc7\u7a0b\u4e2d\u7684\u5149\u5b66\u76d1\u63a7<\/strong><\/p>\n

\"\"<\/a><\/p>\n

\uff08a\uff09<\/span> <\/span>\u65f6\u95f4\u5206\u8fa8\u5149\u8c31\uff0c\u65f6\u95f4\u5206\u8fa8\u7387\u4e3a<\/span>300ms<\/span><\/span>\u5de6\u53f3<\/span><\/p>\n

\uff08b\uff09<\/span> <\/span>\u5438\u6536\u5728<\/span>492<\/span><\/span>\uff0c<\/span>360<\/span><\/span>\uff0c<\/span>313nm<\/span><\/span>\u4e09\u4e2a\u5149\u8c31\u7279\u5f81\u4e0b\u7684\u65f6\u95f4\u6f14\u5316<\/span><\/p>\n

\uff08c\uff09<\/span>\u00a0 <\/span><\/span><\/span>\u65f6\u95f4\u5206\u8fa8\u53d1\u5c04\u5149\u8c31\uff0c\u5206\u8fa8\u7387\u4e3a<\/span>80ms<\/span><\/span><\/p>\n

\uff08d\uff09<\/span> <\/span>\u53d1\u5c04\u5f3a\u5ea6\u7684\u65f6\u95f4\u6f14\u5316<\/span><\/p>\n

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

\u4f5c\u8005\u62a5\u9053\u4e86\u4e00\u79cd\u4f7f\u7528\u914d\u4f53\u8c03\u63a7\u7684\u7531CsPbX3<\/sub>\u5230Cs4<\/sub>PbBr6<\/sub>\u7684\u8f6c\u53d8\uff0c\u53d1\u73b0OLA\u5bf9\u8f6c\u53d8\u8fc7\u7a0b\u8d77\u7740\u91cd\u8981\u4f5c\u7528\uff0c\u800c\u70f7\u57fa\u786b\u9187\u5bf9\u4e8e\u63d0\u9ad8Cs4<\/sub>PbBr6<\/sub>\u7684\u5c3a\u5bf8\u5747\u4e00\u6027\u548c\u5316\u5b66\u7a33\u5b9a\u6027\u6709\u7740\u91cd\u8981\u4f5c\u7528\u3002\u8f6c\u53d8\u7684\u70ed\u529b\u5b66\u8fc7\u7a0b\u53ef\u4ee5\u662f\u4e00\u4e2a\u6eb6\u89e3-\u7ed3\u6676\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u5149\u8c31\u624b\u6bb5\u89c2\u5bdf\u5f97\u5230\u3002\u8fd9\u79cd\u624b\u6bb5\u5bf9\u4e8e\u63d0\u9ad8\u9499\u949b\u77ff\u7684\u7a33\u5b9a\u6027\u81f3\u5173\u91cd\u8981\uff0c\u5e76\u4e14\u62d3\u5bbd\u4e86\u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u6750\u6599\u7684\u8303\u56f4\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aLigand Mediated Transformation of Cesium Lead Bromide Perovskite Nanocrystals to Lead Depleted Cs4PbBr6 Nanocrystals<\/a>\uff08J. Am. Chem. Soc\uff0c2017\uff0cDOI: 10.1021\/jacs.7b01409\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u5c0f\u7ec4\u8463\u8d85\u7136\u6574\u7406\u7f16\u8bd1\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

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

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