{"id":170461,"date":"2019-03-27T06:30:52","date_gmt":"2019-03-26T22:30:52","guid":{"rendered":"\/\/m.iemloyee.com\/?p=170461"},"modified":"2019-03-26T16:55:41","modified_gmt":"2019-03-26T08:55:41","slug":"%e7%a6%8f%e5%bb%ba%e7%89%a9%e6%9e%84%e6%89%80%e9%99%88%e5%ad%a6%e5%85%83adv-sci-liluf4%e7%ba%b3%e7%b1%b3%e6%99%b6%e4%b8%ad%e9%92%95%e7%a6%bb%e5%ad%90%e7%9a%84%e7%94%b5%e5%ad%90%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=170461","title":{"rendered":"\u798f\u5efa\u7269\u6784\u6240\u9648\u5b66\u5143Adv. Sci.: LiLuF4\u7eb3\u7c73\u6676\u4e2d\u9495\u79bb\u5b50\u7684\u7535\u5b50\u7ed3\u6784\u548c\u6bd4\u7387\u5f0f\u6e29\u5ea6\u4f20\u611f"},"content":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u4e09\u4ef7\u9495\u79bb\u5b50\uff08Nd3+<\/sup>\uff09\u63ba\u6742\u7eb3\u7c73\u6676\u7531\u4e8e\u5176\u4f18\u5f02\u7684\u8fd1\u7ea2\u5916\uff08NIR\uff09\u53d1\u5149\u6027\u80fd\uff0c\u8fd1\u5e74\u6765\u53d7\u5230\u4e86\u5e7f\u6cdb\u5173\u6ce8\u3002\u5728808 nm\u534a\u5bfc\u4f53\u6fc0\u5149\u5668\u6fc0\u53d1\u4e0b\uff0cNd3+<\/sup>\u63ba\u6742\u7eb3\u7c73\u6676\u80fd\u591f\u53d1\u5c04\u51fa\u8f83\u5f3a\u7684\u8fd1\u7ea2\u5916\u5149\uff0c\u5177\u6709\u5149\u7a7f\u900f\u6df1\u5ea6\u5927\u3001\u80cc\u666f\u8367\u5149\u5e72\u6270\u5c0f\u548c\u5bf9\u751f\u7269\u7ec4\u7ec7\u65e0\u635f\u4f24\u7684\u4f18\u70b9\uff0c\u56e0\u6b64\u662f\u76ee\u524d\u666e\u904d\u770b\u597d\u6709\u671b\u5e94\u7528\u4e8e\u751f\u7269\u533b\u5b66\u9886\u57df\u7684\u4e00\u7c7b\u6027\u80fd\u4f18\u5f02\u7684NIR-to-NIR\u7eb3\u7c73\u8367\u5149\u63a2\u9488\u3002\u7279\u522b\u5730\uff0c\u5229\u7528Nd3+<\/sup>\u548c\u5176\u4ed6\u7a00\u571f\u79bb\u5b50\u95f4\u7684\u80fd\u91cf\u4f20\u9012\u6216\u57fa\u4e8eNd3+<\/sup>\u70ed\u8026\u5408\u6676\u4f53\u573a\uff08CF\uff09\u80fd\u7ea7\u7684\u7535\u5b50\u8dc3\u8fc1\u4e0e\u6e29\u5ea6\u7684\u4f9d\u8d56\u5173\u7cfb\uff0cNd3+<\/sup>\u63ba\u6742\u7eb3\u7c73\u6676\u53ef\u4f5c\u4e3a\u9ad8\u7075\u654f\u7684\u7eb3\u7c73\u6e29\u5ea6\u8ba1\uff0c\u7528\u4e8e\u7ec4\u7ec7\u7684\u751f\u7406\u6e29\u5ea6\u63a2\u6d4b\u3002\u7136\u800c\uff0c\u7531\u4e8eNd3+<\/sup>\u5728\u7eb3\u7c73\u6676\u4e2d\u901a\u5e38\u5360\u636e\u591a\u4e2a\u683c\u4f4d\u800c\u5f15\u8d77\u7684\u6676\u4f53\u573a\u80fd\u7ea7\u8dc3\u8fc1\u53d1\u5c04\u8c31\u7ebf\u5c55\u5bbd\uff0c\u56e0\u6b64\u5728\u751f\u7406\u6e29\u5ea6\u4e0b\uff0c\u7eb3\u7c73\u6676\u4e2dNd3+<\/sup>\u7684\u6676\u4f53\u573a\u8dc3\u8fc1\u8c31\u7ebf\u5f80\u5f80\u96be\u4ee5\u533a\u5206\u3002\u6b64\u524d\u62a5\u9053\u7684Nd3+<\/sup>\u57fa\u7eb3\u7c73\u6e29\u5ea6\u8ba1\u5176\u6676\u4f53\u573a\u8dc3\u8fc1\u8c31\u7ebf\u5f52\u5c5e\u90fd\u662f\u4f9d\u8d56\u4e8e\u53c2\u8003\u5757\u6750\u7684\u6676\u4f53\u573a\u80fd\u7ea7\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6e29\u5ea6\u63a2\u6d4b\u7ed3\u679c\u504f\u79bb\u5b9e\u9645\u503c\u3002\u56e0\u6b64\uff0c\u63ed\u793aNd3+<\/sup>\u5728\u7eb3\u7c73\u6676\u4e2d\u7684\u5c40\u57df\u7535\u5b50\u80fd\u7ea7\u7ed3\u6784\u5e76\u7cbe\u786e\u6307\u8ba4\u5176\u8fd1\u7ea2\u5916\u53d1\u5149\u7684\u6676\u4f53\u573a\u8dc3\u8fc1\u8c31\u7ebf\uff0c\u5bf9\u4e8e\u8bbe\u8ba1\u65b0\u578b\u9ad8\u6548\u7684Nd3+<\/sup>\u57faNIR-to-NIR\u7eb3\u7c73\u8367\u5149\u63a2\u9488\u4ee5\u53ca\u63a2\u7d22\u5176\u65b0\u5e94\u7528\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n

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

\u6700\u8fd1\uff0c\u4e2d\u79d1\u9662\u798f\u5efa\u7269\u6784\u6240\u9648\u5b66\u5143\u7814\u7a76\u5458<\/strong>\u548c\u90d1\u4f1f\u526f\u7814\u7a76\u5458<\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u9996\u6b21\u62a5\u9053\u4e86LiLuF4<\/sub>\u7eb3\u7c73\u6676\u4e2dNd3+<\/sup>\u7684\u5c40\u57df\u7535\u5b50\u80fd\u7ea7\u7ed3\u6784\u3002\u4ed6\u4eec\u4ee5Eu3+<\/sup>\u79bb\u5b50\u4e3a\u7ed3\u6784\u63a2\u9488\uff0c\u901a\u8fc7\u4f4e\u6e29\u9ad8\u5206\u8fa8\u7387\u8367\u5149\uff08PL\uff09\u5149\u8c31\u3001\u65f6\u95f4\u5206\u8fa8\uff08TRPL\uff09\u5149\u8c31\u548c\u4f4d\u7f6e\u9009\u62e9\u5149\u8c31\u7b49\u5148\u8fdb\u6d4b\u8bd5\u624b\u6bb5\uff0c\u63ed\u793a\u4e86\u7a00\u571f\u79bb\u5b50\u5728LiLuF4<\/sub>\u7eb3\u7c73\u6676\u4e2d\u5b58\u5728\u5355\u4e00\u7684\u5149\u8c31\u5b66S4\u4f4d\u7f6e\u5bf9\u79f0\u6027\uff0c\u4e0e\u5176\u7ed3\u6676\u5b66\u4f4d\u7f6e\u5bf9\u79f0\u6027\u4e00\u81f4\u3002\u901a\u8fc7Nd3+<\/sup>\u7684\u4f4e\u6e29\u9ad8\u5206\u8fa8\u5149\u8c31\u548c\u53d8\u6e29\u5149\u8c31\u7b49\u6d4b\u8bd5\u624b\u6bb5\uff0c\u7cbe\u786e\u6307\u8ba4\u51fa36\u6761\u6e90\u81eaNd3+<\/sup>\u76844<\/sup>F3\/2<\/sub> \u2192 4<\/sup>IJ<\/sub><\/em>\uff08J<\/em> = 9\/2, 11\/2, 13\/2\uff09\u6676\u4f53\u573a\u8dc3\u8fc1\u7684\u53d1\u5c04\u8c31\u7ebf\uff0c\u5e76\u786e\u5b9a\u4e86Nd3+<\/sup>\u76844<\/sup>F3\/2<\/sub>\u548c4<\/sup>IJ<\/sub><\/em>\u7ec4\u6001\u7684\u5168\u90e8Stark\u5b50\u80fd\u7ea7\u4f4d\u7f6e\u3002\u8fdb\u4e00\u6b65\u5730\uff0c\u4ed6\u4eec\u8fd8\u5229\u7528\u6307\u8ba4\u51fa\u76844<\/sup>F3\/2<\/sub>\u4e24\u4e2a\u70ed\u8026\u5408Stark\u5b50\u80fd\u7ea7\u7684\u8dc3\u8fc1\u5f3a\u5ea6\u4e0e\u6e29\u5ea6\u7684\u4e0d\u540c\u4f9d\u8d56\u5173\u7cfb\uff0c\u5c06LiLuF4<\/sub>:Nd3+<\/sup>\u7eb3\u7c73\u6676\u4f5c\u4e3a\u6bd4\u7387\u578bNIR-to-NIR\u7eb3\u7c73\u8367\u5149\u6e29\u5ea6\u8ba1\u7528\u4e8e77\u2012275 K\u4f4e\u6e29\u533a\u95f4\u7684\u9ad8\u7075\u654f\u6e29\u5ea6\u63a2\u6d4b\uff0c\u5176\u6700\u9ad8\u76f8\u5bf9\u7075\u654f\u5ea6\u8fbe\u52300.62% K\u22121<\/sup>\uff0c\u4e0e\u6b64\u524d\u62a5\u9053\u7684Nd3+<\/sup>\u63ba\u6742\u7eb3\u7c73\u8367\u5149\u6e29\u5ea6\u8ba1\u7684\u6700\u9ad8\u503c\u76f8\u5f53\u3002\u8be5\u7814\u7a76\u5bf9\u53d1\u5c55\u9ad8\u6548Nd3+<\/sup>\u57fa\u8fd1\u7ea2\u5916\u7eb3\u7c73\u8367\u5149\u63a2\u9488\u63d0\u4f9b\u4e86\u7406\u8bba\u57fa\u7840\uff0c\u4e5f\u4e3a\u7a00\u571f\u7eb3\u7c73\u8367\u5149\u63a2\u9488\u5728\u4f4e\u6e29\u63a2\u6d4b\u9886\u57df\u7684\u65b0\u5e94\u7528\u6307\u660e\u4e86\u65b9\u5411\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cUnraveling the Electronic Structures of Neodymium in LiLuF4<\/sub> Nanocrystals for Ratiometric Temperature Sensing<\/strong>\u201d\u53d1\u8868\u4e8eAdv. Sci.<\/strong>\u671f\u520a\u4e0a\u3002\u798f\u5efa\u7269\u6784\u6240\u9648\u5b66\u5143<\/strong>\u8bfe\u9898\u7ec4\u9ec4\u840d\u526f\u7814\u7a76\u5458<\/strong>\u662f\u8be5\u8bba\u6587\u7684\u7b2c\u4e00\u4f5c\u8005\u3002<\/p>\n

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

\u56fe\u4e00\u3001Eu3+<\/sup>\u548cNd3+<\/sup>\u63ba\u6742LiLuF4<\/sub>\u7eb3\u7c73\u6676\u7684\u6676\u4f53\u7ed3\u6784\u548c\u8868\u5f81<\/strong>
\n \"\"\uff08a\uff09\u56db\u65b9\u76f8LiLuF4<\/sub>\u7684\u6676\u4f53\u7ed3\u6784\u548cLn3+<\/sup>\u63ba\u6742\u7684\u6676\u683c\u4f4d\u70b9\uff1b<\/p>\n

\uff08b\uff09 LiLuF4<\/sub>:2%Nd3+<\/sup>\u548cLiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u7684XRD\u56fe\u3002\u5e95\u7ebf\u4ee3\u8868\u56db\u65b9\u76f8LiLuF4<\/sub>\u7684\u6807\u51c6XRD\u5361\u7247\uff1b<\/p>\n

\uff08c\uff09LiLuF4<\/sub>:2%Nd3+<\/sup>\u548c\uff08d\uff09LiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u7684TEM\u56fe\u50cf\u3002\u63d2\u56fe\u8868\u793a\u5bf9\u5e94\u7684\u9ad8\u5206\u8fa8\u7387TEM\u56fe\uff1b<\/p>\n

\uff08e\uff09LiLuF4<\/sub>:2%Nd3+<\/sup>\u548cLiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u7684\u5c3a\u5bf8\u5206\u5e03\u3002\u84dd\u6761\u548c\u7ea2\u6761\u5206\u522b\u4ee3\u8868\u83f1\u5f62\u7eb3\u7c73\u6676\u7684\u5bbd\u5ea6\u548c\u957f\u5ea6\u3002<\/p>\n

\u56fe\u4e8c\u3001LiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u7684\u4f4e\u6e29\u9ad8\u5206\u8fa8\u8367\u5149\u5149\u8c31\u548c\u65f6\u95f4\u5206\u8fa8\u8367\u5149\u5149\u8c31<\/strong>
\n \"\"\uff08a\uff09LiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u768410 K PL\u6fc0\u53d1\u8c31\uff0c\u76d1\u6d4b\u7684\u53d1\u5c04\u6ce2\u957f\u4e3a613.8 nm\uff1b<\/p>\n

\uff08b\uff09LiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u768410 K PL\u53d1\u5c04\u8c31\uff0c\u6fc0\u53d1\u6ce2\u957f\u4e3a393.0 nm\uff0c\u661f\u53f7\u8868\u793aEu3+<\/sup>\u76845<\/sup>D1<\/sub>\u21927<\/sup>F4<\/sub>\u53d1\u5c04\u5cf0\uff0c\u63d2\u56fe\u4e3a5<\/sup>D0<\/sub>\u21927<\/sup>F4<\/sub>\u8dc3\u8fc1\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

\uff08c\uff09LiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u4e2dEu3+<\/sup>\u76845<\/sup>D0<\/sub>\u548c5<\/sup>D1<\/sub>\u80fd\u7ea7\u7684PL\u8870\u51cf\u66f2\u7ebf\uff08\u76d1\u6d4b\u7684\u53d1\u5c04\u6ce2\u957f\u5206\u522b\u4e3a613.8 nm\u548c582.8 nm\uff09\uff1b<\/p>\n

\uff08d\uff09\u4e0d\u540c\u5ef6\u8fdf\u65f6\u95f4\u4e0bLiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u768410 K TRPL\u5149\u8c31\uff0c\u6fc0\u53d1\u6ce2\u957f\u4e3a393.0 nm\uff0c\u661f\u53f7\u8868\u793a\u6765\u81eaEu3+<\/sup>\u76845<\/sup>D1<\/sub>\u80fd\u7ea7\u7684\u6676\u4f53\u573a\u8dc3\u8fc1\u8c31\u7ebf\uff1b<\/p>\n

\uff08e\uff09LiLuF4<\/sub>:5\uff05Eu3+<\/sup>\u7eb3\u7c73\u6676\u6765\u81eaEu3+<\/sup>\u76845<\/sup>D0<\/sub> \u80fd\u7ea7\u7684PL\u8870\u51cf\u66f2\u7ebf\uff08\u76d1\u6d4b\u7684\u53d1\u5c04\u6ce2\u957f\u5206\u522b\u4e3a590.6 nm\u548c593.9 nm\uff09\u3002<\/p>\n

\u56fe\u4e09\u3001LiLuF4<\/sub>\u7eb3\u7c73\u6676\u4e2dNd3+<\/sup>\u7684\u5c40\u57df\u7535\u5b50\u80fd\u7ea7\u7ed3\u6784\u89e3\u6790<\/strong>
\n \"\"\uff08a\uff0cb\uff09LiLuF4<\/sub>:2\uff05Nd3+<\/sup>\u7eb3\u7c73\u6676\u768410 K\uff08a\uff09PL\u6fc0\u53d1\u548c\uff08b\uff09PL\u53d1\u5c04\u8c31,\uff08a\uff09\u4e2d\u7684\u63d2\u56fe\u4e3a4<\/sup>I9\/2<\/sub>\u57fa\u6001\u52304<\/sup>F3\/2<\/sub>\u6fc0\u53d1\u6001\u4e24\u4e2aStark\u5b50\u80fd\u7ea7\u7684\u6676\u4f53\u573a\u8dc3\u8fc1\u8c31\u7ebf\uff1b<\/p>\n

\uff08c\uff09808 nm\u534a\u5bfc\u4f53\u6fc0\u5149\u5668\u6fc0\u53d1\u4e0b\uff08\u529f\u7387\u5bc6\u5ea6\u4e3a1 W cm-2<\/sup>\uff09\uff0cLiLuF4<\/sub>:Nd3+<\/sup>\u7eb3\u7c73\u6750\u6676\u4e2d\u6e90\u81eaNd3+<\/sup>\u76844<\/sup>F3\/2<\/sub>\u21924<\/sup>IJ<\/sub><\/em>\uff08J<\/em> = 9\/2\uff0c11\/2\u548c13\/2\uff09\u6676\u4f53\u573a\u80fd\u7ea7\u8dc3\u8fc1\u7684\u53d8\u6e29PL\u5149\u8c31\uff0810~300 K\uff09\u3002 4<\/sup>F3\/2<\/sub>\u52304<\/sup>I9\/2<\/sub>\uff0c4<\/sup>I11\/2<\/sub>\u548c4<\/sup>I13\/2<\/sub>\u80fd\u7ea7\u7684\u53d1\u5c04\u8c31\u5206\u522b\u6839\u636e880.4\uff0c1053.1\u548c1325.1 nm\u9644\u8fd1\u7684\u6700\u5f3a\u53d1\u5c04\u5cf0\u8fdb\u884c\u4e86\u5f52\u4e00\u5316\u5904\u7406\u3002\u9ed1\u8272\u548c\u7ea2\u8272\u865a\u7ebf\u5206\u522b\u8868\u793a\u4ece4<\/sup>F3\/2<\/sub>\u7684R1<\/sub>\u548cR2<\/sub> Stark\u5b50\u80fd\u7ea7\u52304<\/sup>IJ<\/sub><\/em>\u80fd\u7ea7\u7684\u6676\u4f53\u573a\u8dc3\u8fc1\u8c31\u7ebf\uff1b<\/p>\n

\uff08d\uff09LiLuF4<\/sub>\u7eb3\u7c73\u6676\u4e2dNd3+<\/sup>\u76844<\/sup>F3\/2<\/sub>\u548c4<\/sup>IJ<\/sub><\/em>\u591a\u91cd\u6001\u7684\u6676\u4f53\u573a\u80fd\u7ea7\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u5c55\u73b0\u4e86\uff08c\uff09\u4e2d\u89c2\u5bdf\u5230\u7684\u6240\u6709\u6676\u4f53\u573a\u80fd\u7ea7\u8dc3\u8fc1\u3002<\/p>\n

\u56fe\u56db\u3001\u57fa\u4e8eLiLuF4<\/sub>:Nd3+<\/sup>\u7eb3\u7c73\u6676\u7684\u6e29\u5ea6\u4f20\u611f<\/strong>
\n \"\"\uff08a\uff09275 K\u4e0b\uff0cLiLuF4<\/sub>:Nd3+<\/sup>\u7eb3\u7c73\u6676\u4e2d4<\/sup>F3\/2<\/sub>\u21924<\/sup>I9\/2<\/sub>\u8dc3\u8fc1\u7684PL\u5149\u8c31\u4ee5\u53ca\u6839\u636e\u6676\u4f53\u573a\u80fd\u7ea7\u8dc3\u8fc1\u6570\u76ee\u8fdb\u884c\u7684\u9ad8\u65af\u62df\u5408\u5206\u5cf0\u7ed3\u679c\uff1b<\/p>\n

\uff08b\uff0977 K\u81f3275 K\u8303\u56f4\u5185\u52a0\u70ed\u548c\u51b7\u5374\u5faa\u73af\u8fc7\u7a0b\u4e2d\uff0cR2<\/sub>\u2192Z1<\/sub>\u548cR1<\/sub>\u2192Z1<\/sub>\u8dc3\u8fc1\u5f3a\u5ea6\u7684\u6bd4\u503c\uff08I<\/em>862<\/sub>\/I<\/em>866<\/sub>\uff09\u4e0e\u6e29\u5ea6\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u6bcf\u4e2a\u6570\u636e\u70b9\u5747\u4e3a\u4e09\u6b21\u72ec\u7acb\u6d4b\u91cf\u7ed3\u679c\u7684\u5e73\u5747\u503c\uff08\u00b1\u6807\u51c6\u504f\u5dee\uff09\uff1b<\/p>\n

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\n \u6587\u732e\u94fe\u63a5\uff1aUnraveling the Electronic Structures of Neodymium in LiLuF4 Nanocrystals for Ratiometric Temperature Sensing<\/a>\uff08Adv. Sci.<\/em> 2019,<\/strong> 1802282\uff09<\/p>\n

\u9648\u5b66\u5143\u56e2\u961f\u7b80\u4ecb\uff1a<\/strong><\/p>\n

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\u56e2\u961f\u7f51\u9875<\/strong>: http:\/\/fjirsm.cas.cn\/xchen<\/a><\/p>\n

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