{"id":200622,"date":"2020-04-26T06:00:27","date_gmt":"2020-04-25T22:00:27","guid":{"rendered":"\/\/m.iemloyee.com\/?p=200622"},"modified":"2020-04-25T22:00:41","modified_gmt":"2020-04-25T14:00:41","slug":"%e5%a4%aa%e5%8e%9f%e7%90%86%e5%b7%a5j-mater-chem-c%ef%bc%9a%e5%85%a8%e5%85%89%e8%b0%b1led%e7%94%a8%e9%ab%98%e6%95%88%e9%9d%92%e8%89%b2%e8%8d%a7%e5%85%89%e6%9d%90%e6%96%99","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=200622","title":{"rendered":"\u592a\u539f\u7406\u5de5J. Mater. Chem. C\uff1a\u5168\u5149\u8c31LED\u7528\u9ad8\u6548\u9752\u8272\u8367\u5149\u6750\u6599"},"content":{"rendered":"

\u3010\u524d\u8a00\u3011<\/strong><\/p>\n

\u56fa\u6001LED\u5149\u6e90\u4f5c\u4e3a\u7b2c\u56db\u4ee3\u7167\u660e\u6280\u672f\u5177\u6709\u7eff\u8272\u73af\u4fdd\u3001\u9ad8\u6548\u8282\u80fd\u3001\u5bff\u547d\u957f\u3001\u53ef\u9760\u6027\u5f3a\u3001\u53ef\u667a\u80fd\u5316\u7b49\u4f18\u70b9\uff0c\u5df2\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7167\u660e\u3001\u6c7d\u8f66\u3001\u663e\u793a\u3001\u4ea4\u901a\u7b49\u5404\u4e2a\u9886\u57df\u3002\u672a\u6765LED\u53d1\u5c55\u7684\u91cd\u8981\u76ee\u6807\u4e4b\u4e00\u662f\u63d0\u9ad8\u5176\u5149\u8d28\u91cf\uff0c\u4ee5\u5b9e\u73b0\u5065\u5eb7\u7167\u660e\uff0c\u7ed9\u4e88\u6d88\u8d39\u8005\u548c\u5de5\u4f5c\u8005\u66f4\u4f18\u8d8a\u7684\u89c6\u89c9\u8212\u9002\u5ea6\u3002\u9ad8\u663e\u8272\u5168\u5149\u8c31LED\u5728\u5404\u4e2a\u7167\u660e\u9886\u57df\u7684\u5e94\u7528\u5df2\u7ecf\u662f\u5927\u52bf\u6240\u8d8b\uff0c\u7279\u522b\u662f\u9ad8\u7aef\u5ba4\u5185\u7167\u660e\u3001\u624b\u672f\u706f\u3001\u62a4\u773c\u706f\u3001\u535a\u7269\u9986\u7167\u660e\u7b49\u5bf9\u5149\u8c31\u8d28\u91cf\u8981\u6c42\u9ad8\u7684\u9886\u57df\u3002\u76ee\u524d\u5e02\u573a\u4e0a\u4e3b\u8981\u5e94\u7528\u7684\u767d\u5149LED\u91c7\u7528450-460 nm\u84dd\u5149\u82af\u7247\u6fc0\u53d1\u9ec4\u8272\u8367\u5149\u7c89\u7684\u65b9\u5f0f\uff0c\u4f46\u8fd9\u79cdLED\u5149\u6e90\u7684\u663e\u8272\u6307\u6570Ra\u8f83\u4f4e\uff0c\u8272\u5ea6\u7a7a\u95f4\u5206\u5e03\u4e0d\u5747\u5300\uff0c\u5e76\u53ef\u80fd\u5e26\u6765\u84dd\u5149\u5371\u5bb3\u7684\u95ee\u9898\u3002\u53e6\u5916\u4e00\u79cd\u5b9e\u73b0\u767d\u5149LED\u7684\u65b9\u5f0f\u662f\u91c7\u7528380-420 nm\u7d2b\u5149\u82af\u7247\u6fc0\u53d1RGB\u591a\u8272\u8367\u5149\u7c89\u6280\u672f\uff0c\u867d\u7136\u4e0d\u5b58\u5728\u84dd\u5149\u5371\u5bb3\u7684\u56f0\u6270\uff0c\u4f46\u5728\u84dd\u5149\u548c\u7eff\u5149\u4e4b\u95f4\u63a5\u8fd1490 nm\u6ce2\u6bb5\u7684\u5149\u8c31\u5b58\u5728\u201c\u6ce2\u8c37\u201d(cyan gap)\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u5149\u8c31\u8fde\u7eed\u6027\uff0c\u5bfc\u81f4\u663e\u8272\u6027\u4e0d\u8db3\uff0c\u56e0\u6b64\u4e0d\u80fd\u8fd8\u539f\u771f\u5b9e\u4e16\u754c\u3002\u89e3\u51b3LED\u5149\u8c31\u51f9\u9677\u8fd9\u4e2a\u95ee\u9898\u7684\u76f4\u63a5\u7b56\u7565\u662f\uff1a\u5f15\u5165\u9ad8\u6548\u9752\u8272\u8367\u5149\u7c89\u6765\u5f25\u8865\u7f3a\u5931\u7684\u84dd\u7eff\u5149\u8c31\u90e8\u5206\uff0c\u4ece\u800c\u5927\u5927\u589e\u5f3a\u4e86\u5149\u8c31\u8fde\u7eed\u6027\u4e0e\u5b8c\u6574\u6027\uff0c\u5b9e\u73b0\u5149\u6e90\u7684\u9ad8\u663e\u8272\u6027\u3001\u9ad8\u8fd8\u539f\u5ea6\u4e0e\u9ad8\u9971\u548c\u5ea6\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u592a\u539f\u7406\u5de5\u5927\u5b66\u9ec4\u5c0f\u52c7\u6559\u6388\u8bfe\u9898\u7ec4\u7814\u53d1\u4e86\u4e00\u79cd\u65b0\u578b\u9ad8\u6548<\/strong>Ce3+<\/sup><\/strong>\u79bb\u5b50\u63ba\u6742<\/strong>Ca2<\/sub>YHf2<\/sub>Al3<\/sub>O12<\/sub> (CYHAO) <\/strong>\u77f3\u69b4\u77f3\u7ed3\u6784\u9752\u8272\u8367\u5149\u7c89\uff0c\u8be5\u8367\u5149\u7c89\u53ef\u88ab\u8fd1\u7d2b\u5916\u5149\u6fc0\u53d1<\/strong>(<\/strong>\u6fc0\u53d1\u5cf0<\/strong>408 nm)<\/strong>\uff0c\u5e76\u53d1\u5c04\u51fa\u8000\u773c\u7684\u9752\u5149<\/strong>(<\/strong>\u53d1\u5c04\u5cf0<\/strong>493 nm<\/strong>\uff0c\u5e26\u5bbd<\/strong>100 nm)<\/strong>\uff0c\u5176\u5185\u91cf\u5b50\u6548\u7387\u548c\u5916\u91cf\u5b50\u6548\u7387\u5206\u522b\u9ad8\u8fbe<\/strong>89.5%<\/strong>\u548c<\/strong>69.1%<\/strong>\u3002\u96be\u80fd\u53ef\u8d35\u7684\u662f\u8be5CYHAO:Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\u5728\u9ad8\u6e29\u4e0b(150 o<\/sup>C)\u5177\u6709\u826f\u597d\u7684\u70ed\u7a33\u5b9a\u6027\u4e0e\u989c\u8272\u7a33\u5b9a\u6027\u3002\u5728150\u5ea6\u6e29\u5ea6\u4e0b\uff0c\u5176\u53d1\u5149\u5f3a\u5ea6\u5927\u7ea6\u4e3a\u5ba4\u6e29\u4e0b\u768464.2%\uff1b\u5e76\u4e14\u8272\u5ea6\u6f02\u79fb\u4ec5\u4e3a3.69 \u00d7 10-3<\/sup>\u3002\u6700\u540e\uff0c\u5c06\u5546\u7528\u84dd\u8272BAM:Eu2+<\/sup>\u8367\u5149\u7c89\uff0cCYHAO:0.03Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\uff0c\u5546\u7528\u200b\u200b\u7eff\u8272(Ba,Sr)2<\/sub>SiO4<\/sub>:Eu2+<\/sup>\u8367\u5149\u7c89\u4e0e\u200b\u200b\u7ea2\u8272CaAlSiN3<\/sub>:Eu2+<\/sup>\u8367\u5149\u7c89\u7684\u6df7\u5408\u7269\u6d82\u8986\u5728400 nm LED\u82af\u7247\u4e0a\uff0c\u5236\u5907\u4e86\u6696\u767d\u5149LED\u5668\u4ef6\u3002\u572860 mA\u7684\u9a71\u52a8\u7535\u6d41\u4e0b\uff0c\u8be5LED\u5668\u4ef6\u53d1\u5c04\u51fa\u9ad8\u54c1\u8d28\u6696\u767d\u5149\uff0c\u5176\u8272\u5750\u6807\u4e3a(0.3955, 0.3874)\uff0c\u8272\u6e29CCT\u4e3a3700 K\uff0c\u663e\u8272\u6307\u6570Ra \u9ad8\u8fbe 93.5\uff0c\u4ee5\u53ca\u9971\u548c\u84dd\u8272R12\u9ad8\u8fbe90.4\uff0c\u6709\u671b\u7528\u4e8e\u9ad8\u7aef\u5ba4\u5185\u7167\u660e\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cFull-visible-spectrum lighting enabled by an excellent cyan-emitting garnet phosphor<\/strong>\u201d\u53d1\u8868\u5728\u56fd\u9645\u8457\u540d\u671f\u520aJournal of Materials Chemistry C<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe\u4e00\u3001<\/strong>CYHAO:Ce3+<\/sup><\/strong>\u8367\u5149\u7c89\u7684\u6676\u76f8\u7ec4\u6210\u4e0e\u6676\u4f53\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

(a)<\/strong> CYHAO:Ce3+<\/sup>\u8367\u5149\u7c89\u7684XRD\u56fe\u8c31\u3002<\/p>\n

(b) <\/strong>CYHAO:0.03Ce3+<\/sup>\u8367\u5149\u7c89\u7684XRD\u7cbe\u4fee\u56fe\u8c31\u3002<\/p>\n

(c)<\/strong> CYHAO:0.03Ce3+<\/sup>\u8367\u5149\u7c89\u7684\u6676\u4f53\u7ed3\u6784\u56fe\u3002<\/p>\n

\u00a0<\/strong>\u56fe\u4e8c\u3001<\/strong>CYHAO:Ce3+<\/sup><\/strong>\u8367\u5149\u7c89\u7684\u53d1\u5149\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>CYHAO:0.03Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\u7684\u6fc0\u53d1\u548c\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n

(b)<\/strong> CYHAO:0.03Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\u4e0e\u5546\u7528\u84dd\u7c89BAM:Eu2+<\/sup>\u7684\u53d1\u5c04\u5149\u8c31\u5bf9\u6bd4\u56fe\u3002<\/p>\n

(c)<\/strong> \u4e0d\u540cCe3+<\/sup>\u63ba\u6742\u6d53\u5ea6\u7684CYHAO:Ce3+<\/sup>\u8367\u5149\u7c89\u7684\u6fc0\u53d1\u5149\u8c31\u56fe\u3002<\/p>\n

(d)<\/strong> \u4e0d\u540cCe3+<\/sup>\u63ba\u6742\u6d53\u5ea6\u7684CYHAO:Ce3+<\/sup>\u8367\u5149\u7c89\u7684\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n

\u56fe\u4e09\u3001<\/strong>CYHAO:Ce3+<\/sup><\/strong>\u8367\u5149\u7c89\u7684\u53d1\u5149\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>CYHAO:Ce3+<\/sup>\u8367\u5149\u7c89\u7684\u5f52\u4e00\u5316\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n

(b) <\/strong>CYHAO:Ce3+<\/sup>\u8367\u5149\u7c89\u7684\u8272\u5750\u6807\u53ca\u5176\u5728365nm\u7d2b\u5916\u706f\u4e0b\u7684\u53d1\u5149\u7167\u7247\u3002<\/p>\n

\u56fe\u56db\u3001<\/strong>CYHAO:0.03Ce3+<\/sup><\/strong>\u9752\u8272<\/strong>\u8367\u5149\u7c89\u7684\u70ed\u7a33\u5b9a\u6027<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>\u4e0d\u540c\u6e29\u5ea6\u4e0bCYHAO:0.03Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\u7684\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n

(b) <\/strong>\u4e0d\u540c\u6e29\u5ea6\u4e0bCYHAO:0.03Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\u7684\u5f52\u4e00\u5316\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n

(c) <\/strong>CYHAO:0.03Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u8272\u5750\u6807\u3002<\/p>\n

(d) <\/strong>CYHAO:0.03Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\u7684\u6d3b\u5316\u80fd\u56fe\u3002<\/p>\n

\u56fe\u4e94\u3001\u767d\u5149<\/strong>LED<\/strong>\u5668\u4ef6\u5149\u7535\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>\u5236\u5907\u7684\u767d\u5149LED1\u5668\u4ef6\u7684\u53d1\u5149\u5149\u8c31\u56fe\u3002<\/p>\n

(b) <\/strong>\u5236\u5907\u7684\u767d\u5149LED2\u5668\u4ef6\u7684\u53d1\u5149\u5149\u8c31\u56fe<\/p>\n

(c) <\/strong>\u767d\u5149LED\u5668\u4ef6\u7684\u8272\u5ea6\u5750\u6807\u56fe\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u8be5\u8bfe\u9898\u7ec4\u62a5\u9053\u4e86\u65b0\u578b\u9ad8\u6548Ce3+<\/sup>\u63ba\u6742Ca2<\/sub>YHf2<\/sub>Al3<\/sub>O12<\/sub>\u77f3\u69b4\u77f3\u7ed3\u6784\u9752\u8272\u8367\u5149\u7c89\uff0c\u5176\u5185\u91cf\u5b50\u6548\u7387\u548c\u5916\u91cf\u5b50\u6548\u7387\u5206\u522b\u9ad8\u8fbe89.5%\u548c69.1%\uff0c\u5e76\u5177\u6709\u826f\u597d\u7684\u70ed\u7a33\u5b9a\u6027\u3002\u5229\u7528\u6240\u7814\u53d1\u7684CYHAO:0.03Ce3+<\/sup>\u9752\u8272\u8367\u5149\u7c89\u5236\u4f5c\u5f97\u5230\u4e86\u9ad8\u663e\u8272\u6027\u6696\u767d\u5149LED\u5668\u4ef6\uff08\u663e\u8272\u6027Ra = 93.5\uff0cR12 = 90.4\uff1b\u8272\u6e29CCT = 3700 K\uff09\uff0c\u8fd9\u4e9b\u767d\u5149LED\u5668\u4ef6\u6709\u671b\u7528\u4e8e\u9ad8\u7aef\u5ba4\u5185\u7167\u660e\u3002\u8be5\u7814\u7a76\u4e3a\u63a2\u7d22\u9ad8\u54c1\u8d28\u5168\u5149\u8c31\u767d\u5149LED\u7528\u65b0\u578b\u9ad8\u6548\u53d1\u5149\u6750\u6599\u63d0\u4f9b\u4e86\u601d\u8def\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong><\/p>\n

Full-visible-spectrum lighting enabled by an excellent cyan-emitting garnet phosphor, J. Mater. Chem. C, 2020, 8, 4934-4943. https:\/\/doi.org\/10.1039\/D0TC00006J<\/a><\/p>\n

\u00a0<\/strong>\u9ec4\u5c0f\u52c7\u6559\u6388\u7b80\u4ecb<\/strong><\/p>\n

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