{"id":188317,"date":"2019-10-24T06:30:44","date_gmt":"2019-10-23T22:30:44","guid":{"rendered":"\/\/m.iemloyee.com\/?p=188317"},"modified":"2019-10-23T16:18:33","modified_gmt":"2019-10-23T08:18:33","slug":"%e5%a4%aa%e5%8e%9f%e7%90%86%e5%b7%a5%e9%bb%84%e5%b0%8f%e5%8b%87%e6%95%99%e6%8e%88jmcc%e5%86%85%e5%b0%81%e9%9d%a2%e6%96%87%e7%ab%a0%ef%bc%9a%e8%bf%91%e7%b4%ab%e5%a4%96%e6%bf%80%e5%8f%91%e7%99%bd","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=188317","title":{"rendered":"\u592a\u539f\u7406\u5de5\u9ec4\u5c0f\u52c7\u6559\u6388JMCC\u5185\u5c01\u9762\u6587\u7ae0\uff1a\u8fd1\u7d2b\u5916\u6fc0\u53d1\u767d\u5149LED\u7528\u65b0\u578b\u9ad8\u6548\u77f3\u69b4\u77f3\u578b\u94dd\u9178\u76d0\u7eff\u8272\u8367\u5149\u7c89"},"content":{"rendered":"
\u5168\u7403\u7ea620%\u7684\u53d1\u7535\u91cf\u7528\u4e8e\u7167\u660e\u3002\u534a\u5bfc\u4f53LED\u7167\u660e\u5177\u6709\u8282\u80fd\u3001\u9ad8\u6548\u3001\u73af\u4fdd\u3001\u5bff\u547d\u957f\u7b49\u4f18\u70b9\uff0c\u662f\u5b9e\u73b0\u8282\u80fd\u51cf\u6392\u7684\u91cd\u8981\u63aa\u65bd\uff0c\u5df2\u9010\u6e10\u6210\u4e3a\u7167\u660e\u53f2\u4e0a\u7ee7\u767d\u70bd\u706f\u3001\u8367\u5149\u706f\u4e4b\u540e\u7684\u53c8\u4e00\u573a\u7167\u660e\u5149\u6e90\u7684\u9769\u547d\u3002\u5f53\u4eca\uff0c\u5236\u9020\u767d\u5149LED\u7684\u5e38\u7528\u65b9\u6cd5\u662f\u5c06\u8367\u5149\u7c89\u6d82\u8986\u5230LED\u82af\u7247\u4e0a\uff0c\u5373\u57fa\u4e8e\u8367\u5149\u7c89\u5149\u8f6c\u6362\u7684\u767d\u5149LED\u56fa\u6001\u7167\u660e\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u9ad8\u8d28\u91cf\u7684\u8367\u5149\u7c89\u6750\u6599\u6709\u52a9\u4e8e\u83b7\u5f97\u9ad8\u6027\u80fd\u767d\u5149LED\u3002\u76ee\u524d\u5546\u7528\u767d\u5149LED\u5668\u4ef6\u4e3b\u8981\u57fa\u4e8e\u84dd\u5149LED\u82af\u7247\u4e0eYAG:Ce3+<\/sup>\u9ec4\u8272\u8367\u5149\u7c89\u7684\u7ec4\u5408\uff0c\u4f46\u5176\u53d1\u5c04\u7684\u51b7\u767d\u5149\u5177\u6709\u4f4e\u663e\u8272\u6307\u6570\uff08CRI < 80\uff09\u548c\u9ad8\u8272\u6e29\uff08CCT > 5000 K\uff09\u7b49\u7f3a\u70b9\uff0c\u56e0\u800c\u59a8\u788d\u4e86\u5176\u5728\u5ba4\u5185\u901a\u7528\u7167\u660e\u4e2d\u7684\u5e94\u7528\u3002\u4e8e\u662f\uff0c\u4e3a\u4e86\u83b7\u5f97\u5177\u6709\u9ad8\u663e\u8272\u6027\u7684\u6696\u767d\u5149\uff0c\u4eba\u4eec\u63d0\u51fa\u4e86\u53e6\u5916\u4e00\u79cd\u767d\u5149LED\u5236\u5907\u65b9\u6cd5\uff0c\u5373\u57fa\u4e8e\u8fd1\u7d2b\u5916LED\u82af\u7247\u4e0e\u4e09\u57fa\u8272\uff08\u7ea2\/\u7eff\/\u84dd\uff09\u8367\u5149\u7c89\u7684\u7ec4\u5408\u3002\u56e0\u6b64\uff0c\u7814\u53d1\u53ef\u88ab\u8fd1\u7d2b\u5916\u6fc0\u53d1(380-420 nm)\u7684\u9ad8\u6548\u4e09\u57fa\u8272LED\u8367\u5149\u7c89\u662f\u5f53\u4eca\u7684\u4e00\u4e2a\u5b66\u672f\u7814\u7a76\u70ed\u70b9\u3002<\/p>\n \u7a00\u571f\u79bb\u5b50Tb3+<\/sup>\u88ab\u516c\u8ba4\u4e3a\u5236\u5907\u7eff\u8272\u8367\u5149\u7c89\u7684\u91cd\u8981\u53d1\u5149\u79bb\u5b50\u3002\u7136\u800c\uff0c\u7531\u4e8eTb3+<\/sup>\u79bb\u5b50\u76844f-4f\u81ea\u65cb\u7981\u963b\u8dc3\u8fc1\uff0cTb3+<\/sup>\u79bb\u5b50\u5bf9\u8fd1\u7d2b\u5916\u5149\u7684\u5438\u6536\u622a\u9762\u7a84\u3001\u5438\u6536\u6548\u7387\u4f4e\uff0c\u56e0\u6b64\u4e0d\u80fd\u88ab\u8fd1\u7d2b\u5916LED\u82af\u7247\u6709\u6548\u6fc0\u53d1\uff0c\u4ece\u800c\u9650\u5236\u4e86\u5176\u5728\u767d\u5149LED\u4e0a\u7684\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u95ee\u9898\u5e76\u5b9e\u73b0\u9ad8\u6548\u7684Tb3+<\/sup>\u79bb\u5b50\u63ba\u6742\u8fd1\u7d2b\u5916\u6fc0\u53d1\u7eff\u8272\u8367\u5149\u7c89\uff0c\u5fc5\u987b\u63a2\u7d22Tb3+<\/sup>\u79bb\u5b50\u7684\u9ad8\u6548\u654f\u5316\u5242\uff0c\u6709\u671b\u4e00\u65b9\u9762\u589e\u5f3aTb3+<\/sup>\u79bb\u5b50\u5bf9\u8fd1\u7d2b\u5916\u6fc0\u53d1\u5149\u7684\u5438\u6536\uff0c\u53e6\u4e00\u65b9\u9762\u63d0\u9ad8Tb3+<\/sup>\u79bb\u5b50\u7684\u53d1\u5149\u91cf\u5b50\u6548\u7387\u3002<\/p>\n \u6700\u8fd1\uff0c\u592a\u539f\u7406\u5de5\u5927\u5b66\u9ec4\u5c0f\u52c7\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u8bfe\u9898\u7ec4<\/b><\/strong>\u62a5\u9053\u4e86\u5728\u77f3\u69b4\u77f3\u578b\u94dd\u9178\u76d0Ca2<\/sub>YZr2<\/sub>(AlO4<\/sub>)3<\/sub>\u00a0<\/sub>(CYZA)\u4e2d\u91c7\u7528Ce3+<\/sup>\u79bb\u5b50\u4f5c\u4e3a\u654f\u5316\u5242\uff0c\u6210\u529f\u5b9e\u73b0\u4e86Tb3+<\/sup>\u79bb\u5b50\u7684\u5bbd\u5e26\u8fd1\u7d2b\u5916\u6fc0\u53d1\u4e0e\u9ad8\u6548\u7eff\u5149\u53d1\u5c04\u3002\u5728CYZA\u57fa\u8d28\u6750\u6599\u4e2d\uff0cTb3+<\/sup>\u79bb\u5b50\u53ef\u4ee5\u9ad8\u6d53\u5ea6\u63ba\u6742\uff0c\u5176\u6700\u4f73\u63ba\u6742\u6d53\u5ea6\u53ef\u8fbe\u523090 mol%\uff0c\u8fd9\u6709\u52a9\u4e8e\u5176\u9ad8\u6548\u53d1\u5149\u3002\u6b64\u5916\uff0c\u5728CYZA\u57fa\u8d28\u4e2d\uff0cCe3+<\/sup>\u79bb\u5b50\u5728360-470 nm\u6ce2\u6bb5\u6709\u5f3a\u5438\u6536\uff0c\u5176\u6fc0\u53d1\u5cf0\u4e3a408 nm\uff0c\u4e0e\u5546\u7528400 nm\u8fd1\u7d2b\u5916LED\u82af\u7247\u975e\u5e38\u5339\u914d\u3002\u91cd\u8981\u7684\u662f\uff0c\u5728Ce3+<\/sup>\/Tb3+<\/sup>\u79bb\u5b50\u5171\u63ba\u6742\u7684CYZA\u8367\u5149\u7c89\u4e2d\uff0c\u901a\u8fc7Ce3+<\/sup>\u2192Tb3+<\/sup>\u79bb\u5b50\u7684\u9ad8\u6548\u80fd\u91cf\u4f20\u9012\uff0c\u5b9e\u73b0\u4e86Tb3+<\/sup>\u7684\u9ad8\u4eae\u7eff\u5149\u53d1\u5c04\uff0c\u5176\u91cf\u5b50\u6548\u7387\u9ad8\u8fbe56%\u3002\u6700\u540e\uff0c\u5229\u7528400 nm\u8fd1\u7d2b\u5916LED\u82af\u7247\u4e0e\u5546\u7528\u84dd\u8272BaMgAl10<\/sub>O17<\/sub>:Eu2+<\/sup>\u8367\u5149\u7c89\uff0c\u5546\u7528\u200b\u200b\u7ea2\u8272CaAlSiN3<\/sub>:Eu2+<\/sup>\u8367\u5149\u7c89\uff0c\u4ee5\u53caCYZA:0.04Ce3+<\/sup>,0.9Tb3+<\/sup>\u7eff\u8272\u8367\u5149\u7c89\u5236\u4f5c\u4e86\u767d\u5149LED\u5668\u4ef6\u3002\u572840 mA\u7684\u9a71\u52a8\u7535\u6d41\u4e0b\uff0c\u8be5LED\u5668\u4ef6\u53d1\u51fa\u660e\u4eae\u7684\u6696\u767d\u5149\uff0c\u5176\u8272\u5750\u6807\u4e3a(0.419, 0.392)\uff0c\u663e\u8272\u6307\u6570CRI\u4e3a 91\uff0c\u4ee5\u53ca\u8272\u6e29CCT\u4e3a3233 K\uff0c\u975e\u5e38\u9002\u7528\u4e8e\u5ba4\u5185\u901a\u7528\u7167\u660e\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cHighly efficient Ce<\/b><\/strong>3+<\/b><\/sup><\/strong>\u2192Tb<\/b><\/strong>3+ <\/b><\/sup><\/strong>energy transfer induced <\/b><\/strong>bright<\/b><\/strong>\u00a0<\/b><\/strong>narrowband <\/b><\/strong>green emissions from garnet<\/b><\/strong>-type<\/b><\/strong>\u00a0Ca<\/b><\/strong>2<\/b><\/sub><\/strong>YZr<\/b><\/strong>2<\/b><\/sub><\/strong>(AlO<\/b><\/strong>4<\/b><\/sub><\/strong>)<\/b><\/strong>3<\/b><\/sub><\/strong>:<\/b><\/strong>Ce<\/b><\/strong>3+<\/b><\/sup><\/strong>,<\/b><\/strong>Tb<\/b><\/strong>3+<\/b><\/sup><\/strong>\u00a0phosphors for <\/b><\/strong>white LEDs with high color rendering index<\/b><\/strong>\u201d\u53d1\u8868\u5728\u56fd\u9645\u8457\u540d\u671f\u520aJ<\/b><\/strong>ournal of <\/b><\/strong>M<\/b><\/strong>aterials <\/b><\/strong>C<\/b><\/strong>hemistry <\/b><\/strong>C<\/b><\/strong>\u4e0a\uff0c\u5e76\u88ab\u7f16\u8f91\u9009\u4e3a\u5185\u5c01\u9762\u6587\u7ae0<\/b><\/strong>\uff0c\u7b2c\u4e00\u4f5c\u8005\u4e3a\u592a\u539f\u7406\u5de5\u5927\u5b66\u7855\u58eb\u7814\u7a76\u751f\u5b59\u826f\u73b2<\/b><\/strong>\u3002<\/p>\n \u56fe\u4e00\u3001<\/b><\/strong>CYZA:Ce<\/b><\/strong>3+<\/b><\/sup><\/strong>,Tb<\/b><\/strong>3+<\/b><\/sup><\/strong>\u8367\u5149\u7c89\u7684<\/b><\/strong>\u7ec4\u5206<\/b><\/strong>\u4e0e\u7ed3\u6784\u8868\u5f81<\/b><\/strong><\/p>\n (a)<\/b><\/strong>\u00a0CYZA:Ce3+<\/sup>,Tb3+<\/sup>\u8367\u5149\u7c89\u7684XRD\u56fe\u8c31\u3002<\/p>\n (b) <\/b><\/strong>CYZA:0.04Ce3+<\/sup>,0.9Tb3+<\/sup>\u8367\u5149\u7c89\u7684XRD\u7cbe\u4fee\u56fe\u8c31\u3002<\/p>\n (c) <\/b><\/strong>CYZA:0.04Ce3+,0.9Tb3+\u8367\u5149\u7c89\u7684\u6676\u4f53\u7ed3\u6784\u56fe<\/p>\n (d) <\/b><\/strong>CYZA:0.04Ce3+<\/sup>,0.9Tb3+<\/sup>\u8367\u5149\u7c89\u4e2dCa2+<\/sup>\/Y3+<\/sup>\/Ce3+<\/sup>\/Tb3+<\/sup>, Zr4+<\/sup>, and Al3+<\/sup>\u79bb\u5b50\u7684\u914d\u4f4d\u73af\u5883\u3002<\/p>\n \u56fe\u4e8c\u3001<\/b><\/strong>CYZA:Ce<\/b><\/strong>3+<\/b><\/sup><\/strong>,Tb<\/b><\/strong>3+<\/b><\/sup><\/strong>\u8367\u5149\u7c89\u7684<\/b><\/strong>\u5f62\u8c8c<\/b><\/strong>\u8868\u5f81<\/b><\/strong><\/p>\n (a-d) <\/b><\/strong>CYZA:0.04Ce3+<\/sup>,0.9Tb3+<\/sup>\u8367\u5149\u7c89\u7684FE-SEM\u56fe\u3002<\/p>\n (e)<\/b><\/strong>\u00a0Ca, Y, Zr, Al, O, Ce, Tb\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n \u56fe\u4e09\u3001<\/b><\/strong>CYZA:Ce<\/b><\/strong>3+<\/b><\/sup><\/strong>,Tb<\/b><\/strong>3+<\/b><\/sup><\/strong>\u8367\u5149\u7c89\u7684<\/b><\/strong>\u53d1\u5149\u6027\u8d28<\/b><\/strong><\/p>\n (a) <\/b><\/strong>CYZA:0.02Ce3+<\/sup>\u8367\u5149\u7c89\u7684\u6fc0\u53d1\u548c\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n (b) <\/b><\/strong>CYZA:0.9Tb3+<\/sup>\u8367\u5149\u7c89\u7684\u6fc0\u53d1\u548c\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n (c)<\/b><\/strong>\u00a0CYZA:0.04Ce3+<\/sup>,0.9Tb3+<\/sup>\u8367\u5149\u7c89\u7684\u6fc0\u53d1\u548c\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n \u56fe\u56db\u3001<\/b><\/strong>CYZA:Ce<\/b><\/strong>3+<\/b><\/sup><\/strong>,Tb<\/b><\/strong>3+<\/b><\/sup><\/strong>\u8367\u5149\u7c89\u7684<\/b><\/strong>\u53d1\u5149\u6027\u8d28<\/b><\/strong><\/p>\n (a) <\/b><\/strong>\u4e0d\u540c\u6d53\u5ea6Tb3+<\/sup>\u5355\u63ba\u6742\u8367\u5149\u7c89\u7684\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n (b) <\/b><\/strong>CYZA:0.9Tb3+<\/sup>\u548cCYZA:0.04Ce3+<\/sup>,0.9Tb3+<\/sup>\u8367\u5149\u7c89\u7684\u53d1\u5149\u5f3a\u5ea6\u5bf9\u6bd4\u56fe\u3002<\/p>\n \u56fe\u4e94\u3001<\/b><\/strong>CYZA:Ce<\/b><\/strong>3+<\/b><\/sup><\/strong>,Tb<\/b><\/strong>3+<\/b><\/sup><\/strong>\u8367\u5149\u7c89\u7684<\/b><\/strong>\u53d1\u5149\u6027\u8d28\u4e0e\u80fd\u91cf\u4f20\u9012<\/b><\/strong><\/p>\n\u6210\u679c\u7b80\u4ecb<\/b><\/strong><\/h3>\n
<\/p>\n
\u56fe\u6587\u5bfc\u8bfb<\/b><\/strong><\/h3>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n