{"id":172856,"date":"2019-04-19T06:30:26","date_gmt":"2019-04-18T22:30:26","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=172856"},"modified":"2019-04-18T20:51:53","modified_gmt":"2019-04-18T12:51:53","slug":"%e5%8f%b0%e5%a4%a7%e5%88%98%e5%a6%82%e7%86%b9%e5%9b%a2%e9%98%9f-angew-srlial31-xsimg3xn4-eu2%e8%8d%a7%e5%85%89%e7%b2%89-%e7%bb%93%e6%9e%84%e6%bc%94%e5%8f%98%e5%92%8c%e9%82%bb","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=172856","title":{"rendered":"\u53f0\u5927\u5218\u5982\u71b9\u56e2\u961f Angew: Sr(LiAl3)1-x(SiMg3)xN4: Eu2+\u8367\u5149\u7c89\u2014\u2014\u7ed3\u6784\u6f14\u53d8\u548c\u90bb\u4f4d\u9633\u79bb\u5b50\u5bf9\u53d1\u5149\u6027\u80fd\u7684\u8c03\u63a7"},"content":{"rendered":"

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

\u5f53\u4eca\u793e\u4f1a\uff0c\u4eba\u4eec\u5bf9\u5177\u6709\u9ad8\u663e\u6307\u548c\u9ad8\u80fd\u6548\u7684\u9ad8\u8d28\u91cf\u7167\u660e\u7cfb\u7edf\u7684\u9700\u6c42\u8d8a\u53d1\u8feb\u5207\uff0c\u5176\u4e2dLED\u7167\u660e\u6700\u5177\u4f18\u52bf\u3002\u8367\u5149\u7c89\u662fLED\u5668\u4ef6\u7684\u91cd\u8981\u7ec4\u6210\uff0c\u76f4\u63a5\u51b3\u5b9a\u7740LED\u7684\u54c1\u8d28\uff0c\u5176\u4e2d\u7ea2\u8272\u8367\u5149\u7c89\u5c24\u4e3a\u91cd\u8981\u3002\u5728\u8fc7\u53bb\u51e0\u5e74\u91cc\uff0c\u7814\u7a76\u4eba\u5458\u5f00\u53d1\u4e86\u5927\u91cf\u7684\u7a84\u5e26\u6c2e\u5316\u7269\u8367\u5149\u7c89\uff0c\u5176\u4e2dSrLiAl3<\/sub>N4<\/sub>: Eu2+<\/sup>(SLA)\u5177\u6709\u6781\u7a84\u7684\u53d1\u5c04\u5e26\u5bbd\uff08~50 nm\uff09\u548c\u4f18\u5f02\u7684\u70ed\u7a33\u5b9a\u6027\uff0c\u5728\u4e0b\u4e00\u4ee3\u9ad8\u8d28\u91cf\u7167\u660e\u4e2d\u6781\u5177\u5e94\u7528\u524d\u666f\u3002\u4f46\u5176\u53d1\u5c04\u5cf0\u4f4d\u4e8e\u7ea6650 nm\u5904\uff0c\u5bf9\u4eba\u773c\u6765\u8bf4\u654f\u611f\u5ea6\u8f83\u4f4e\uff0c\u56e0\u6b64\u4f1a\u964d\u4f4e\u6d41\u660e\u6548\u7387\uff08LER\uff09\u3002\u53e6\u5916\uff0c SrSiMg3<\/sub>N4<\/sub>: Eu2+<\/sup>(SSM)\u6c2e\u5316\u7269\u8367\u5149\u7c89\uff0c\u5728\u6709\u5e8f\u901a\u9053\u7ed3\u6784\u4e2d\u5177\u6709\u5355\u4e2aSr\u4f4d\u70b9\uff0c\u76f8\u6bd4SLA\u5177\u6709\u66f4\u7a84\u7684\u53d1\u5c04\u5e26\u5bbd\uff08~43 nm\uff09\u3002\u5176\u53d1\u5c04\u6ce2\u957f\u7ea6\u4e3a610 nm\uff0c\u867d\u7136\u5bf9\u4e8e\u7ea2\u5149\u6210\u5206\u6765\u8bf4\u7565\u77ed\uff0c\u4f46\u80fd\u591f\u63d0\u4f9b\u66f4\u9ad8\u7684LER\u3002SSM\u7684\u5e26\u9699\u8f83\u5c0f\uff0c\u56e0\u6b64\u5bb9\u6613\u53d1\u751f\u4e25\u91cd\u7684\u70ed\u79bb\u5b50\u5316\uff0c\u70ed\u731d\u706d\u4e25\u91cd\u3002\u56fa\u6eb6\u4f53\u7b56\u7565\u662f\u8367\u5149\u7c89\u8bbe\u8ba1\u4e2d\u7684\u5e38\u7528\u624b\u6bb5\uff0c\u56e0\u6b64\u5408\u6210SLA\u548cSSM\u7684\u56fa\u6eb6\u4f53\u6709\u671b\u626c\u957f\u907f\u77ed\u3002<\/p>\n

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\u8fd1\u65e5\uff0c\u53f0\u6e7e\u5927\u5b66\u5218\u5982\u71b9\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u56e2\u961f\u5408\u6210\u4e86\u4e00\u7cfb\u5217\u7684Sr(LiAl3<\/sub>)1-x<\/sub>(SiMg3<\/sub>)x<\/sub>N4<\/sub>: Eu2+<\/sup> (SLA-SSM)\u8367\u5149\u7c89\u3002X\u5c04\u7ebf\u884d\u5c04\uff08XRD\uff09\u7ed3\u679c\u663e\u793a\u6210\u529f\u5408\u6210\u4e86SLA-SSM\u56fa\u6eb6\u4f53\u3002\u5176\u4e2d\uff0cSLA-SSM\u7684\u53d1\u5c04\u5cf0\u503c\u8303\u56f4\u4e3a615~680 nm\uff0c\u8868\u660e\u8fd9\u4e9b\u6750\u6599\u5b58\u5728\u7ed3\u6784\u53d8\u5316\u3002\u7531\u4e8eXRD\u548c\u4e2d\u5b50\u7c89\u672b\u884d\u5c04\u5728\u533a\u5206SLA-SSM\u4e2d\u7684Li+<\/sup>\u3001Mg2+<\/sup>\u3001Al3+<\/sup>\u548cSi4+<\/sup>\u79bb\u5b50\u65b9\u9762\u7684\u5c40\u9650\u6027\uff0c\u6545\u5229\u75287<\/sup>Li\u56fa\u6001\u6838\u78c1\u5171\u632f\uff08ss-NMR\uff09\u68c0\u6d4b\u4e86Li(1)N4<\/sub>\u548cLi(2)N4<\/sub>\u56db\u9762\u4f53\uff0c\u63ed\u793a\u4e86\u4e24\u4e2aSr\u4f4d\u70b9\u7684\u914d\u4f4d\u73af\u5883\u7684\u53d8\u5316\uff0c\u5e76\u89e3\u91ca\u4e86\u5176\u53d1\u5149\u6027\u80fd\u3002\u901a\u8fc7\u53d8\u6e29\u5149\u8c31\u548c\u8367\u5149\u5bff\u547d\u7814\u7a76\u4e86Eu2+<\/sup>\u5728\u4e24\u4e2aSr\u4f4d\u70b9\uff08Sr1\u548cSr2\uff09\u7684\u4e0d\u540c\u73af\u5883\u3002\u6b64\u5916\uff0cX\u5c04\u7ebf\u8fd1\u8fb9\u5438\u6536\uff08XANES\uff09\u5206\u6790\u663e\u793a\uff1a\u4e0eSrLiAl3<\/sub>N4<\/sub>: Eu2+<\/sup>\u548cSrSiMg3<\/sub>N4<\/sub>: Eu2+<\/sup>\u8367\u5149\u7c89\u76f8\u6bd4\uff0cSLA-SSM\u4e2dEu2+<\/sup>\u6d53\u5ea6\u5f02\u5e38\u9ad8\uff0c\u8fd9\u662f\u9996\u6b21\u5728UCr4<\/sub>C4<\/sub>\u7ed3\u6784\u4e2d\u62a5\u9053\u76f8\u5173\u7ed3\u679c\u3002\u6700\u540e\uff0c\u4f5c\u8005\u63d0\u51fa\u4e86\u4e00\u79cd\u6574\u4f53\u673a\u5236\u6765\u89e3\u91ca\u914d\u4f4d\u9633\u79bb\u5b50\u5bf9\u53d1\u5149\u884c\u4e3a\u7684\u8c03\u63a7\uff0c\u6709\u52a9\u4e8e\u7406\u89e3\u56fa\u6eb6\u4f53\u5408\u6210\u8fc7\u7a0b\u4e2d\u72ec\u7279\u7684\u53d1\u5149\u6027\u8d28\u53ca\u5176\u590d\u6742\u7ed3\u6784\u6f14\u53d8\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cStructural Evolution and Neighbor-Cation Control of Photoluminescence in Sr(LiAl3<\/sub>)1-x<\/sub>(SiMg3<\/sub>)x<\/sub>N4<\/sub>:Eu2+<\/sup> Phosphor\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aAngew. Chem. Int. Ed.<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe\u4e00\u3001\u5229\u7528XRD\u5bf9Sr(LiAl3<\/sub>)1-x<\/sub>(SiMg3<\/sub>)x<\/sub>N4<\/sub>:Eu2+<\/sup>\u7684\u8868\u5f81<\/strong>
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\"\"<\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1aStructural Evolution and Neighbor-Cation Control of Photoluminescence in Sr(LiAl3<\/sub>)1-x<\/sub>(SiMg3<\/sub>)x<\/sub>N4<\/sub>:Eu2+<\/sup> Phosphor<\/a><\/strong>\uff08Angew. Chem. Int. Ed., 2019<\/strong>, DOI:10.1002\/anie.201903178\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4ebaCQR\u7f16\u8bd1\u3002<\/p>\n

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