{"id":157337,"date":"2018-10-28T06:48:14","date_gmt":"2018-10-27T22:48:14","guid":{"rendered":"\/\/m.iemloyee.com\/?p=157337"},"modified":"2018-10-27T11:50:48","modified_gmt":"2018-10-27T03:50:48","slug":"%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e5%86%8d%e4%b8%8b%e4%b8%80%e5%9f%8e%ef%bc%9a%e8%af%86%e5%88%ab%e9%ab%98%e6%95%88%e3%80%81%e8%80%90%e7%83%ad%e7%9a%84%e6%97%a0%e6%9c%ba%e7%a3%b7%e5%85%89%e4%bd%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=157337","title":{"rendered":"\u673a\u5668\u5b66\u4e60\u518d\u4e0b\u4e00\u57ce\uff1a\u8bc6\u522b\u9ad8\u6548\u3001\u8010\u70ed\u7684\u65e0\u673a\u78f7\u5149\u4f53\u5bbf\u4e3b"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n \u65e0\u673a\u78f7\u5149\u4f53\u662f\u57fa\u4e8e\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LED\uff09\u7684\u767d\u5149\u4e2d\u6700\u91cd\u8981\u7684\u56e0\u7d20\u4e4b\u4e00\uff0c\u5bf9\u5668\u4ef6\u7684\u6574\u4f53\u6548\u7387\u6709\u5f88\u5927\u7684\u5f71\u54cd\u3002\u8fd9\u4e9b\u6750\u6599\u7531\u4e3b\u6676\u4f53\u7ed3\u6784\u7ec4\u6210\uff0c\u901a\u5e38\u662f\u6c27\u5316\u7269\uff0c\u5364\u5316\u7269\u6216\u6c2e\u5316\u7269\uff0c\u5b83\u4eec\u88ab\u7a00\u571f\u53d1\u5149\u4e2d\u5fc3\u53d6\u4ee3\uff0c\u901a\u5e38\u662fEu2+<\/sup>\u6216Ce3+<\/sup>\u3002\u7136\u800c\uff0c\u76ee\u524d\u62a5\u9053\u7684\u5c11\u6570\u78f7\u5149\u4f53\u80fd\u591f\u6709\u6548\u5730\u6267\u884c\u4e0b\u8f6c\u6362\u8fc7\u7a0b\uff0c\u6d4b\u91cf\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\uff08\u03a6\uff09\u3002\u4e00\u4e9b\u5177\u6709\u9ad8\u53d1\u5149\u91cf\u5b50\u6548\u7387\u7684\u78f7\u5149\u4f53\u4e5f\u4f1a\u53d7\u5230\u70ed\u731d\u706d\u7684\u5f71\u54cd\uff0c\u6bd4\u5982\u53d1\u5149\u6ce2\u957f\u548c\u5f3a\u5ea6\u5728\u9ad8\u6e29\u4e0b\u53d1\u751f\u53d8\u5316\uff0c\u9650\u5236\u4e86\u5b83\u4eec\u7684\u5e94\u7528\u8303\u56f4\u3002\u56e0\u6b64\uff0cLED\u7167\u660e\u7684\u6301\u7eed\u6539\u8fdb\u9700\u8981\u53d1\u73b0\u65b0\u7684\u9ad8\u6548\u4e14\u8010\u70ed\u7684\u7a00\u571f\u66ff\u4ee3\u65e0\u673a\u78f7\u5149\u4f53\u3002\u5728\u5bfb\u627e\u65b0\u7684\u78f7\u5149\u4f53\u65f6\uff0c\u7814\u7a76\u8868\u660e\uff0c\u4e00\u79cd\u53ef\u884c\u7684\u65b9\u6cd5\u6765\u8bc6\u522b\u9ad8\u03a6\u7684\u6750\u6599\uff0c\u5c31\u662f\u627e\u5230\u4e86\u9ad8\u539f\u5b50\u8fde\u63a5\u6027\u7684\u7ed3\u6784\u521a\u6027\u7684\u4e3b\u4f53\u5316\u5408\u7269\u3002\u7136\u800c\uff0c\u65e0\u673a\u56fa\u4f53\u4e2d\u5316\u5b66\u952e\u5408\u7684\u590d\u6742\u6027\u4f7f\u5f97\u6e05\u695a\u5730\u8bc6\u522b\u8fde\u63a5\u6027\u548c\u7ed3\u6784\u521a\u6027\u5177\u6709\u6311\u6218\u6027\uff0c\u5e76\u4e14\u591a\u4e2a\u56fa\u4f53\u4e4b\u95f4\u7684\u521a\u6027\u6bd4\u8f83\u5b58\u5728\u95ee\u9898\u3002\u673a\u5668\u5b66\u4e60\u7684\u8fdb\u6b65\u63d0\u4f9b\u4e86\u4e00\u79cd\u9014\u5f84\uff0c\u53ef\u4ee5\u663e\u7740\u6269\u5c55\u65e0\u673a\u56fa\u4f53\u7684\u7269\u7406\u548c\u673a\u68b0\u6027\u80fd\uff0c\u5e76\u53ef\u4ee5\u63a8\u52a8\u6750\u6599\u5f00\u53d1\u8d85\u8d8a\u76ee\u524d\u7684DFT\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5728\u4f11\u65af\u987f\u5927\u5b66Jakoah Brgoch\u52a9\u7406<\/b><\/strong>\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u56e2\u961f\u7684\u5e26\u9886\u4e0b\uff0c\u5c06\u652f\u6301\u5411\u91cf\u673a\u56de\u5f52\u6a21\u578b\u4e0e\u9ad8\u901a\u91cf\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u76f8\u7ed3\u5408\uff0c\u6765\u9884\u6d4b\u78f7\u5149\u4f53\u4e3b\u6676\u4f53\u7ed3\u6784\u7684\u5fb7\u62dc\u6e29\u5ea6\uff08\u5fb7\u62dc\u6e29\u5ea6\u662f\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u91cf\u7684\u4e00\u4e2a\u6307\u6807\uff09\uff0c\u7528\u9ad8\u901a\u91cf\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u6765\u8bc4\u4f30\u5e26\u9699\u3002\u8be5\u5e73\u53f0\u5141\u8bb8\u8bc6\u522b\u53ef\u80fd\u88ab\u5ffd\u7565\u7684\u78f7\u5149\u4f53\u3002\u5728\u5fb7\u62dc\u6e29\u5ea6\u6700\u9ad8\u3001\u5e26\u9699\u6700\u5927\u7684\u5316\u5408\u7269\u4e2d\uff0cNaBaB9<\/sub>O15<\/sub>\u5177\u6709\u7a81\u51fa\u7684\u6f5c\u529b\u3002\u5728\u5408\u6210\u548c\u7ed3\u6784\u8868\u5f81\u4e4b\u540e\uff0c\u7ed3\u6784\u521a\u5ea6\u88ab\u8bc1\u5b9e\u6e90\u4e8e\u4e00\u4e2a\u72ec\u7279\u7684\u89d2\u5171\u4eab[B3<\/sub>O7<\/sub>]5-<\/sup>\u805a\u9634\u79bb\u5b50\u9aa8\u67b6\u3002\u7528Eu2+<\/sup>\u53d6\u4ee3\u8fd9\u79cd\u6750\u6599\uff0c\u5728416nm\u5904\u4ea7\u751f\u7d2b\u5916\u5149\u6fc0\u53d1\u5e26\u548c\u7a84\u7d2b\u5916\u5149\u53d1\u5c04\uff0c\u534a\u5cf0\u5168\u5bbd\u4e3a34.5nm\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0cNaBaB9<\/sub>O15<\/sub>:Eu2+<\/sup>\u5177\u670995%\u7684\u91cf\u5b50\u4ea7\u7387\u548c\u4f18\u5f02\u7684\u70ed\u7a33\u5b9a\u6027\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201cIdentifying an efficient, thermally robust inorganic phosphor host via machine learning <\/b><\/strong>\u201d\u53d1\u8868\u5728\u4e86Nat. Commun.<\/b><\/strong>\u4e0a\u3002<\/p>\n \u00a0<\/b><\/strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe1 \u9884\u6d4b\u5fb7\u62dc\u6e29\u5ea6\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u7684\u4ea4\u53c9\u9a8c\u8bc1\u56fe<\/b><\/strong> a.\u5341\u6298\u4ea4\u53c9\u9a8c\u8bc1\uff08CV\uff09\u9884\u6d4b\u5fb7\u62dc\u6e29\u5ea6\uff08\u0398D<\/sub>,<\/sub>SVR<\/sub>\uff09\u4e0e\u8ba1\u7b97\u7684\u5fb7\u62dc\u6e29\u5ea6\uff08\u0398D<\/sub>,<\/sub>DFT<\/sub>\uff09\u3002\u7406\u60f3\u7ebf\u663e\u793a\u4e3a\u865a\u7ebf\uff0c\u62df\u5408\u7ebf\u663e\u793a\u4e3a\u5b9e\u7ebf\u3002<\/p>\n b.\u5316\u5408\u7269\u6839\u636e\u5176\u5728CV\u9884\u6d4b\u0398D<\/sub>,<\/sub>SVR<\/sub>\u548c\u0398D<\/sub>,<\/sub>DFT<\/sub>\u4e4b\u95f4\u7684\u767e\u5206\u6bd4\u8bef\u5dee\u7684\u5206\u6570\u3002\u7ea2\u8272\u66f2\u7ebf\u663e\u793a\u8d8b\u52bf\u3002<\/p>\n \u56fe2 <\/b><\/strong>\u6784\u6210\u7a00\u571f\u53d6\u4ee3\u78f7\u5149\u4f53\u7684\u5143\u7d20<\/b><\/strong> \u00a0<\/b><\/strong>\u56fe3<\/b><\/strong>\u00a0<\/b><\/strong>\u673a\u5668\u5b66\u4e60\u9884\u6d4b\u5fb7\u62dc\u6e29\u5ea6\u4e0e\u8ba1\u7b97\u7684\u5e26\u9699<\/b><\/strong> a-c.\u00a0\u673a\u5668\u5b66\u4e60\u9884\u6d4b\u5fb7\u62dc\u6e29\u5ea6\uff08\u0398D<\/sub>,<\/sub>SVR<\/sub>\uff09\u4e0e\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u7684\u5e26\u9699\uff08Eg<\/sub>,<\/sub>DFT<\/sub>\uff09\u9884\u6d4b\u76842071\u79cd\u5316\u5408\u7269\u3002\u8f83\u6697\u7684\u533a\u57df\u51fa\u73b0\u5728\u6709\u91cd\u53e0\u6570\u636e\u7684\u5730\u65b9\u3002\u91cd\u70b9\u4ecb\u7ecd\u4e86\u5e38\u89c1\u78f7\u5149\u4f53\u4e3b\u4f53\u7684\u7c7b\u522b\uff0c\u5305\u62ecb.\u787c\u9178\u76d0\u548c\u786b\u5316\u7269\uff0cc.\u6c2e\u5316\u7269\u548c\uff08\u6c27\uff09\u5364\u5316\u7269\uff0cd.\u7845\u9178\u76d0\u548c\u6c1f\u5316\u7269\uff0c\u4ee5\u53cae.\u94dd\u9178\u76d0\u548c\u78f7\u9178\u76d0\u3002<\/p>\n \u56fe<\/b><\/strong>4 <\/b><\/strong>Rietveld<\/b><\/strong>\u7cbe\u4fee<\/b><\/strong>NaBaB<\/b><\/strong>9<\/b><\/sub><\/strong>O<\/b><\/strong>15<\/b><\/sub><\/strong>\u540c\u6b65\u52a0\u901f\u5668X\u5c04\u7ebf\u7c89\u672b\u884d\u5c04\u6570\u636e<\/b><\/strong> Rietveld\u7cbe\u4feeNaBaB9<\/sub>O15<\/sub>\u540c\u6b65\u52a0\u901f\u5668X\u5c04\u7ebf\u7c89\u672b\u884d\u5c04\u6570\u636e\u3002\u89c2\u5bdf\u5230\u7684\u6570\u636e\u4e3a\u9ed1\u8272\uff0c\u7cbe\u4fee\u4e3a\u7ea2\u8272\uff0c\u5dee\u5f02\u4e3a\u84dd\u8272\u3002<\/p>\n \u56fe<\/b><\/strong>5 <\/b><\/strong>NaBaB<\/b><\/strong>9<\/b><\/sub><\/strong>O<\/b><\/strong>15<\/b><\/sub><\/strong>\u7684\u6676\u4f53\u7ed3\u6784<\/b><\/strong> a.\u5728[010]\u65b9\u5411\u89c2\u5bdfNaBaB9<\/sub>O15<\/sub>\u7684\u6676\u4f53\u7ed3\u6784\uff0c\u7a81\u51fa\u663e\u793a\u76f8\u5173\u7684[BaO9<\/sub>]\uff0c[NaO6<\/sub>]\u548c[B3<\/sub>O7<\/sub>]\u591a\u9762\u4f53\u4e9a\u5355\u6676\u3002<\/p>\n b.[B3<\/sub>O7<\/sub>]5-<\/sup>\u5355\u6676\u7684\u6392\u5217\u6cbf[001]\u65b9\u5411\u4ea7\u751f\u5927\u96a7\u9053\uff0c\u7531Ba2+<\/sup>\u548cNa+<\/sup>\u4ea4\u66ff\u586b\u5145\u3002<\/p>\n \u56fe<\/b><\/strong>6 <\/b><\/strong>NaBa<\/b><\/strong>0.97<\/b><\/sub><\/strong>Eu<\/b><\/strong>0.03<\/b><\/sub><\/strong>B<\/b><\/strong>9<\/b><\/sub><\/strong>O<\/b><\/strong>15<\/b><\/sub><\/strong>\u7684\u5149\u81f4\u53d1\u5149\u7279\u6027<\/b><\/strong> a.\u5728\u5ba4\u6e29\u4e0b\u6d4b\u91cf\u7684\u6fc0\u53d1\uff08\u865a\u7ebf\uff09\u548c\u53d1\u5c04\uff08\u9ed1\u8272\u5b9e\u7ebf\uff09\u5149\u8c31\u3002\u53d1\u5c04\u5149\u8c31\u7684\u9ad8\u65af\u62df\u5408\u662f\u7eaf\u7070\u8272\u3002<\/p>\n b.\u5728315nm\u6fc0\u53d1\u4e0b\uff0c\u6d4b\u91cf\u4e0d\u540c\u6d53\u5ea6\u7684\u7a00\u571fEu2+<\/sup>\u53d6\u4ee3\u7684NaBaB9<\/sub>O15<\/sub>\u7684\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\uff08PLQY\uff09\u3002\u6d4b\u91cf\u6bcf\u79cd\u6d53\u5ea6\u7684PLQY\u4e09\u6b21\uff0c\u8bef\u5dee\u68d2\u4ee3\u8868\u6807\u51c6\u504f\u5dee<\/p>\n \u56fe<\/b><\/strong>7 <\/b><\/strong>NaBa<\/b><\/strong>0.97<\/b><\/sub><\/strong>Eu<\/b><\/strong>0.03<\/b><\/sub><\/strong>B<\/b><\/strong>9<\/b><\/sub><\/strong>O<\/b><\/strong>15<\/b><\/sub><\/strong>\u78f7\u5149\u4f53<\/b><\/strong>\u7684\u6e29\u5ea6\u4f9d\u8d56\u6027\u5149\u81f4\u53d1\u5149\u7279\u6027<\/b><\/strong> a.340 nm\u6fc0\u53d1\u4e0b\u7684\u5f52\u4e00\u5316\u53d1\u5c04\u5149\u8c31\u968f\u6e29\u5ea6\u53d8\u5316\u7684\u7b49\u503c\u7ebf\u56fe\u3002<\/p>\n b.\u53d1\u5c04\u5149\u8c31\u7684\u76f8\u5bf9\u79ef\u5206\u5f3a\u5ea6\uff08rel.intger.int.\uff09\u548c\u53d1\u5c04\u5cf0\u7684\u76f8\u5bf9\u5f3a\u5ea6\uff08el. peak int.\uff09- \u4f5c\u4e3a\u6e29\u5ea6\u7684\u51fd\u6570\u3002<\/p>\n \u3010<\/b><\/strong>\u5c0f\u7ed3<\/b><\/strong>\u3011<\/b><\/strong><\/p>\n 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416nm\u5904\u4ea7\u751f\u7d2b\u8272\u53d1\u5c04\uff0c\u800c\u6700\u4f73Eu2+<\/sup>\u6d53\u5ea6\u4ea7\u751f95\uff05\u7684\u6700\u5927\u03a6\u3002\u6b64\u5916\uff0c\u53d1\u5c04\u7684FWHM\u4ec5\u4e3a34.5nm\u3002\u4f9d\u8d56\u4e8e\u6e29\u5ea6\u7684\u53d1\u5149\u6d4b\u91cf\u8868\u660e\uff0c\u7531\u4e8e\u7f3a\u4e4f\u975e\u8f90\u5c04\u5f1b\u8c6b\u9014\u5f84\uff0c\u8be5\u5316\u5408\u7269\u4e5f\u5177\u6709\u6781\u9ad8\u7684\u70ed\u7a33\u5b9a\u6027\uff0c\u6700\u4f4e500 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