{"id":194653,"date":"2020-01-28T06:33:20","date_gmt":"2020-01-27T22:33:20","guid":{"rendered":"\/\/m.iemloyee.com\/?p=194653"},"modified":"2020-01-27T20:33:29","modified_gmt":"2020-01-27T12:33:29","slug":"nat-commun-%e7%b1%bb%e9%99%b6%e7%93%b7%e7%a8%b3%e5%ae%9a%e7%9a%84%e5%88%86%e5%ad%90%e7%ad%9b%e6%a8%a1%e6%9d%bf%e4%ba%8c%e6%b0%a7%e5%8c%96%e7%a1%85%e5%8c%85%e8%a3%b9%e7%9a%84cspbbr3%e7%ba%b3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=194653","title":{"rendered":"Nat. Commun.: \u7c7b\u9676\u74f7\u7a33\u5b9a\u7684\u5206\u5b50\u7b5b\u6a21\u677f\u4e8c\u6c27\u5316\u7845\u5305\u88f9\u7684CsPbBr3\u7eb3\u7c73\u6676"},"content":{"rendered":"

Nat. Commun.: <\/strong>\u7c7b\u9676\u74f7\u7a33\u5b9a\u7684\u5206\u5b50\u7b5b\u6a21\u677f\u4e8c\u6c27\u5316\u7845\u5305\u88f9\u7684CsPbBr3<\/sub><\/strong>\u7eb3\u7c73\u6676<\/strong><\/a><\/p>\n

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

\u9499\u949b\u77ff\u578b\u7eb3\u7c73\u6676(NCs)\u662f\u6613\u4e8e\u5408\u6210\u7684\u5ec9\u4ef7\u6750\u6599\uff0c\u53ef\u80fd\u6210\u4e3a\u6700\u5177\u6210\u672c\u7ade\u4e89\u529b\u7684\u4e0b\u8f6c\u6362\u53d1\u5149\u5668\u4ef6\u4e4b\u4e00\u3002\u4f46\u662f\u76ee\u524d\u62a5\u9053\u7684CsPbX3<\/sub>\uff08X=Cl\uff0cBr\uff0cI\uff09\u9499\u949b\u77ff\u578bNCs\u9762\u4e34\u7740\u7a33\u5b9a\u6027\u5dee\u7684\u95ee\u9898\u3002\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u7684\u64cd\u4f5c\u7a33\u5b9a\u6027\u8fdc\u8fdc\u4f4e\u4e8e\u76ee\u524d\u5546\u7528\u7684\u9676\u74f7\u78f7\u5149\u4f53\uff0c\u751a\u81f3\u6bd4\u4f20\u7edf\u7684II-VI\u548cIII-V\u91cf\u5b50\u70b9\u66f4\u5dee\u3002\u56e0\u6b64\u3002\uff0c\u5236\u5907\u540c\u65f6\u5177\u6709\u4f18\u5f02\u6027\u80fd\u548c\u826f\u597d\u7684\u7a33\u5b9a\u6027\u7684CsPbX3<\/sub>\u9499\u949b\u77ffNCs\u662f\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4e3b\u8981\u6311\u6218\u4e4b\u4e00\u3002<\/p>\n

\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u7814\u7a76\u8005\u5df2\u7ecf\u5f00\u53d1\u4e86\u5404\u79cd\u7b56\u7565\u6765\u7a33\u5b9aCsPbX3<\/sub> NCs\u3002\u5e38\u89c4\u7684\u65b9\u6cd5\u662f\u5728NCs\u8868\u9762\u8986\u76d6\u60f0\u6027\u58f3\u5c42\u6216\u5c06\u5176\u7ed3\u5408\u5230\u52bf\u5792\u77e9\u9635\u4e2d\uff0c\u8fd9\u6837\u65e2\u53ef\u4ee5\u5c06CsPbX3<\/sub> NCs\u4ece\u6c34\u5206\u548c\u6c27\u6c14\u4e2d\u5206\u79bb\u51fa\u6765\uff0c\u53c8\u53ef\u4ee5\u9632\u6b62\u79bb\u5b50\u8fc1\u79fb\u4e5f\u53ef\u4ee5\u907f\u514d\u7eb3\u7c73\u6676\u7c92\u5b50\u95f4\u878d\u5408\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u5c06\u5b83\u4eec\u5c01\u88c5\u6210\u65e0\u673a\u6c27\u5316\u7269\uff08SiO2<\/sub>\u3001Al2<\/sub>O3<\/sub>\u3001SiO2<\/sub>\/Al2<\/sub>O3<\/sub>\u3001TiO2<\/sub>\u3001ZrO2<\/sub>\uff09\u3001\u4ecb\u5b54\u6750\u6599\uff08\u4ecb\u5b54\u7845\u3001\u91d1\u5c5e\u6709\u673a\u9aa8\u67b6\uff09\u3001\u805a\u5408\u7269\u57fa\u8d28\uff08\u805a\u82ef\u4e59\u70ef\u3001\u805a\u7532\u57fa\u4e19\u70ef\u9178\u7532\u916f\u3001\u805a\u504f\u6c1f\u4e59\u70ef\uff09\u3001\u65e0\u673a\u76d0\u7b49\uff0c\u63d0\u9ad8\u4e86CSPBX3<\/sub> NCs\u7684\u7a33\u5b9a\u6027\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u58f3\u6216\u5c4f\u969c\u57fa\u8d28\u53ea\u80fd\u51cf\u7f13\u5916\u754c\u73af\u5883\u56e0\u7d20\u5bf9CsPbX3<\/sub> NCs\u7684\u964d\u89e3\uff0c\u5176\u7a33\u5b9a\u6027\u4ecd\u8fdc\u4e0d\u5982\u9676\u74f7\u6750\u6599\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u4fdd\u62a4\u7b56\u7565\u7684\u5931\u8d25\u4e3b\u8981\u5f52\u56e0\u4e8e\u4ee5\u4e0b\u4e09\u4e2a\u539f\u56e0\uff1a\uff081\uff09\u5916\u58f3\u6216\u57fa\u4f53\u6750\u6599\u4e0d\u80fd\u5b8c\u5168\u4fdd\u62a4CsPbX3<\/sub> NCs\uff0c\u5982\u66b4\u9732\u6709\u5b54\u9699\u7ed3\u6784\u7684\u591a\u5b54\u57fa\u4f53\uff0c\u4e0d\u80fd\u5b8c\u5168\u5c06\u9499\u949b\u77ff\u578bNCs\u4e0e\u6c34\u5206\u548c\u6c27\u6c14\u9694\u79bb\uff1b\uff082\uff09\u58f3\u5c42\u6216\u57fa\u4f53\u6750\u6599\u6ca1\u6709\u672c\u8d28\u4e0a\u7684\u7a33\u5b9a\u6027\uff0c\u5982\u65e0\u673a\u76d0\u4ecd\u5bf9\u6c34\u6c27\u654f\u611f\uff1b\uff083\uff09\u58f3\u5c42\u6216\u57fa\u4f53\u6750\u6599\u662f\u7a33\u5b9a\u7684\uff0c\u53ef\u4ee5\u5b8c\u5168\u6d82\u8986\u5728CSPBX3<\/sub> NCS\u4e0a\uff0c\u4f46\u5bc6\u5ea6\u4e0d\u591f\uff0c\u4ecd\u6709\u4e00\u4e9b\u5f62\u6001\u9488\u5b54\uff0c\u5bfc\u81f4\u5916\u90e8\u6c34\u6c27\u53ef\u4ee5\u900f\u8fc7\u3002\u5b9e\u9645\u4e0a\uff0c\u8fd9\u4e9b\u65e0\u673a\u6c27\u5316\u7269\u9700\u8981\u9ad8\u7684\u5408\u6210\u6216\u9000\u706b\u6e29\u5ea6\uff0c\u4ee5\u5b9e\u73b0\u5177\u6709\u5c11\u91cf\u9488\u5b54\u548c\u5927\u963b\u9694\u6027\u80fd\u7684\u81f4\u5bc6\u6c27\u5316\u7269\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u81f4\u5bc6\u5316\u7a0b\u5ea6\u5f3a\u70c8\u5730\u4f9d\u8d56\u4e8e\u9000\u706b\u6e29\u5ea6\u3002\u7814\u7a76\u8868\u660e\uff0c800\u2103\u4ee5\u4e0a\u7684\u9ad8\u6e29\u9000\u706b\u53ef\u4ee5\u4fc3\u8fdb\u8584\u819c\u4e2d\u4e8c\u6c27\u5316\u7845\u548c\u6c27\u5316\u94dd\u4ece\u975e\u6676\u6001\u5411\u6676\u6001\u7684\u8f6c\u53d8\uff0c\u83b7\u5f97\u66f4\u597d\u7684\u963b\u9694\u6027\u80fd\u3002\u95ee\u9898\u7684\u5173\u952e\u662fCsPbX3<\/sub> NCs\u65e0\u6cd5\u627f\u53d7\u5982\u6b64\u9ad8\u7684\u6e29\u5ea6\u3002\u5728\u6211\u4eec\u4ee5\u524d\u7684\u7814\u7a76\u4e2d\u5fc3\uff0c\u7531\u4e8eCsPbX3<\/sub> NCS\u7684\u4e25\u91cd\u8868\u9762\u6c27\u5316\u6216\u7194\u65ad\uff0cCsPbBr3<\/sub>\/SiO2<\/sub>\/Al2<\/sub>O3<\/sub>\u7684\u9000\u706b\u6e29\u5ea6\u4e0d\u80fd\u8d85\u8fc7150 \u2103\u3002 CsPbX3<\/sub> NCS\u8868\u9762\u7684\u6709\u673a\u914d\u4f53\u8d85\u8fc7150\u2103\u4f1a\u88ab\u6c27\u5316\uff0c\u8f83\u9ad8\u7684\u6e29\u5ea6\u4f1a\u635f\u4f24\u6216\u5265\u79bb\u6709\u673a\u914d\u4f53\uff0c\u52a0\u901f\u7c92\u5b50\u95f4\u7684\u79bb\u5b50\u8fc1\u79fb\uff0c\u4ece\u800c\u4f7fCsPbX3<\/sub> NCS\u53d1\u751f\u56e2\u805a\uff0c\u5bfc\u81f4\u8367\u5149\u731d\u706d\u3002\u9499\u949b\u77ff\u578bNCS<\/sub>\u5728\u81f4\u5bc6\u7684\u65e0\u673a\u6c27\u5316\u7269\u4e2d\u5305\u88f9\u5728\u9ad8\u6e29\u4e0b\u5f88\u96be\u540c\u65f6\u4fdd\u6301\u5176\u5f62\u8c8c\u548c\u5149\u7535\u6027\u80fd\u4e0d\u53d8\u3002<\/p>\n

\u3010\u7814\u7a76\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u00a0\u8fd1\u65e5\uff0c\u4e0a\u6d77\u4ea4\u901a\u5927\u5b66\u674e\u826f\u56e2\u961f\u5728Nature Communication \u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cCeramic-like stable CsPbBr3<\/sub> nanocrystals encapsulated in silica derived from molecular sieve templates\u201d\u7684\u6587\u7ae0\u3002\u8be5\u7814\u7a76\u63d0\u51fa\u4e86\u4e00\u79cd\u7b80\u5355\u6613\u884c\u7684\u7a33\u5b9a\u7684\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u5408\u6210\u65b9\u6cd5\u3002\u901a\u8fc7\u5728\u9ad8\u6e29\uff08600-900\u6444\u6c0f\u5ea6\uff09\u4e0b\u5c06\u9499\u949b\u77ff\u6750\u6599\u5c01\u88c5\u5230\u7531\u5206\u5b50\u7b5b\u6a21\u677f\u884d\u751f\u7684\u4e8c\u6c27\u5316\u7845\uff08MS\uff09\u4e2d\u6765\u5408\u6210\u7c7b\u9676\u74f7\u7a33\u5b9a\u4e14\u9ad8\u53d1\u5149\u7684CsPbBr3<\/sub> NCs\u3002\u5236\u5907\u7684CsPbBr3<\/sub>-SiO2<\/sub>\u7c89\u4f53\u4e0d\u4ec5\u5177\u6709\u8f83\u9ad8\u7684\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\uff08~71%\uff09\uff0c\u800c\u4e14\u5177\u6709\u4e0eSr2<\/sub>SiO4<\/sub>:Eu2+<\/sup>\u7eff\u8272\u8367\u5149\u7c89\u76f8\u5f53\u7684\u7a33\u5b9a\u6027\u3002\u5728\u84dd\u5149\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LED\uff09\u82af\u7247\uff0820\u6beb\u5b89\uff0c2.7\u4f0f\uff09\u7684\u5149\u7167\u4e0b\uff0c\u5b83\u4eec\u80fd\u4fdd\u6301100%\u7684\u5149\u81f4\u53d1\u5149\u503c1000\u5c0f\u65f6\uff0c\u4e5f\u80fd\u5728\u4e25\u9177\u7684\u76d0\u9178\u6c34\u6eb6\u6db2\uff081 M\uff09\u4e2d\u5b58\u6d3b50\u5929\u3002\u8fd9\u79cd\u7a33\u5065\u7684\u7a33\u5b9a\u6027\u5c06\u663e\u8457\u63d0\u9ad8\u9499\u949b\u77ffCsPbX3<\/sub> NCs\u5728LED\u548c\u80cc\u5149\u663e\u793a\u4e2d\u5177\u6709\u5b9e\u9645\u5e94\u7528\u6f5c\u529b\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe1 CsPbBr3<\/sub> NCs<\/strong>\u9ad8\u6e29\u4e0b\u751f\u957f\u5e76\u5c01\u88c5\u5230MS<\/strong>\u57fa\u8d28\u4e2d<\/strong><\/p>\n

\"\"a.\u00a0<\/strong>\u5c06CsPbBr3<\/sub> NCs\u5408\u6210MS\uff08SiO2<\/sub>\uff09\u7684\u539f\u7406\u56fe\uff1b<\/p>\n

b.\u00a0<\/strong>\u5728\u53ef\u89c1\u5149\u7167\u4e0b\uff0c\u5728\u4e0d\u540c\u7145\u70e7\u6e29\u5ea6\u4e0b\u672a\u6e05\u6d17\u7684CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u7c89\u672b\uff08\u4e0a\u90e8\uff09\u548c\u6c34\u6d17\u7684CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u7c89\u672b\uff08\u5e95\u90e8\uff09\u7684\u7167\u7247\uff0cCsBr\/PbBr2<\/sub>:MS=1:3\uff1b<\/p>\n

c.\u00a0<\/strong>\u672a\u6e05\u6d17CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u7684 XRD\u56fe\u8c31\uff1b<\/p>\n

d.<\/strong> \u6c34\u6d17CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u7c89\u672b\u7684d XRD\u56fe\u8c31\u3002<\/p>\n

\u56fe2 CsPbBr3<\/sub> NCs<\/strong>\u548cMS<\/strong>\u5b54\u7ed3\u6784\u968f\u6e29\u5ea6\u7684\u6f14\u5316<\/strong><\/p>\n

\"\"<\/p>\n

a-f.<\/strong>\u4e0d\u540c\u7145\u70e7\u6e29\u5ea6\u4e0b\u6c34\u6d17CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u7684TEM\u56fe\u50cf\uff1aa CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u2013400\uff0cb CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u2013500\uff0cc CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u2013600\uff0cd CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u2013700\uff0ce CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u2013800\uff0cf CsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u2013900\uff1b<\/p>\n

g.<\/strong>\u539f\u59cbMS\u548cCsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\u7684\u5c0f\u89d2XRD\u56fe\uff1b<\/p>\n

h.<\/strong>\u7528BET\u6cd5\u8ba1\u7b97\u539f\u59cbMS\u548cCsPbBr3<\/sub>–<\/strong>SiO2<\/sub>\uff08CsBr\/PbBr2:MS=1:3\uff09\u7684\u6bd4\u8868\u9762\u79ef\u3002<\/p>\n

\u56fe3 CsPbBr3<\/sub>-SiO2<\/sub><\/strong>\u7684\u5149\u5b66\u7279\u6027<\/strong><\/p>\n

\"\"<\/p>\n

a.<\/strong>CsPbBr3<\/sub>-SiO2<\/sub>-700\u548cSr2<\/sub>SiO4<\/sub>:Eu2+<\/sup>\u7eff\u8272\u8367\u5149\u7c89\u7684\u5149\u81f4\u53d1\u5149\u53d1\u5c04\u5149\u8c31\uff0c\u6fc0\u53d1\u6ce2\u957f455nm\uff1b<\/p>\n

b.<\/strong>\u4e0d\u540c\u6e29\u5ea6\u4e0b\u5408\u6210\u7684CsPbBr3<\/sub>-SiO2<\/sub>\uff08CsPbBr3<\/sub>:MS\u7684\u8d28\u91cf\u6bd4\u4e3a1:3\uff0c\u7ea2\u8272\u6807\u8bb0\uff09\u7684\u7edd\u5bf9PLQYs\uff0c\u4e0d\u540cCsPbBr3<\/sub>:MS\u7684\u8d28\u91cf\u6bd4\u5728700\u2103\u5408\u6210\u7684CsPbBr3<\/sub>-SiO2<\/sub>\u7684\u7edd\u5bf9PLQYs\uff08\u84dd\u8272\u6807\u8bb0\uff09\u3002<\/p>\n

\u56fe4 <\/strong>\u6c22\u6c1f\u9178\u523b\u8680\u63d0\u5347PLQYs<\/strong>\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a.\u00a0<\/strong>\u6c22\u6c1f\u9178\u523b\u8680CsPbBr3<\/sub>-SiO2<\/sub>-700\u7684\u539f\u7406\u56fe\uff1b<\/p>\n

b.<\/strong> CsPbBr3<\/sub>-SiO2<\/sub>\u2013HF\u7684\u900f\u5c04\u7535\u955c\u56fe\u50cf\uff1b<\/p>\n

c.<\/strong> CsPbBr3<\/sub>-SiO2<\/sub>\u2013HF\u7684HAADF-STEM\u56fe\u50cf\u548c\u76f8\u5e94\u7684Cs\u3001Pb\u3001Br\u3001O\u548cSi\u5143\u7d20\u6620\u5c04\uff1b<\/p>\n

d.<\/strong> CsPbBr3<\/sub>-SiO2<\/sub>\u2013700\u548cCsPbBr3<\/sub>-SiO2<\/sub>\u2013HF\u7684\u5149\u81f4\u53d1\u5149\u53d1\u5c04\u548c\u7d2b\u5916\u53ef\u89c1\u5438\u6536\u5149\u8c31\u3002<\/p>\n

e<\/strong>. CsPbBr3<\/sub>-SiO2<\/sub>\u2013700\u7c89\u672b\uff08\u5de6\uff09\u548cCsPbBr3<\/sub>-SiO2<\/sub>\u2013HF\u7c89\u672b\uff08\u53f3\uff09\u5728365 nm\uff08\u4e0b\uff09\u53ef\u89c1\u5149\uff08\u4e0a\uff09\u548c\u7d2b\u5916\u7ebf\u6fc0\u53d1\u4e0b\u7684\u7167\u7247\u3002<\/p>\n

f.<\/strong> CsPbBr3<\/sub>-SiO2<\/sub>\u2013700\u7c89\u672b\u548cCsPbBr3<\/sub>-SiO2<\/sub>\u2013HF\u7c89\u672b\u7684X\u5c04\u7ebf\u884d\u5c04\u56fe\u3002<\/p>\n

\u56fe5<\/strong> CsPbBr3<\/sub>-SiO2<\/sub><\/strong>\u7684\u8010\u6c34\u6027\u548c\u8010\u9178\u6027<\/strong><\/p>\n

\"\"<\/p>\n

a.<\/strong> CsPbBr3<\/sub>-SiO2<\/sub>\u2013700\u3001CsPbBr3<\/sub>-SiO2<\/sub>\u2013HF\u3001\u9676\u74f7Sr2<\/sub>SiO4<\/sub>:Eu2+<\/sup>\u7eff\u8272\u8367\u5149\u7c89\u3001KSF\u7ea2\u8272\u8367\u5149\u7c89\u548c\u80f6\u4f53CsPbBr3<\/sub> NCs\u5728\u6c34\u4e2d\u6d78\u6ce1\u4e0d\u540c\u65f6\u95f4\u540e\u7684\u7167\u7247\uff1b<\/p>\n

b-c.<\/strong> CsPbBr3<\/sub>\u2013SiO2<\/sub>\u2013700\u548cCsPbBr3<\/sub>\u2013SiO2<\/sub>\u2013HF\u5728\u5404\u79cd\u6eb6\u5242\u4e2d\u6d78\u6ce150\u5929\u540e\u7684\u76f8\u5bf9PLQYs\uff0c\u989d\u5916\u5149\u6e90\uff1a450 nm LED\u706f\uff08175 mW cm-2<\/sup>\uff09\u3002<\/p>\n

\u56fe6 CsPbBr3<\/sub>\u2013SiO2<\/sub>-HF<\/strong>\u7684\u5149\u7a33\u5b9a\u6027<\/strong><\/p>\n

\"\"a.<\/strong> CsPbBr3<\/sub>\u2013SiO2<\/sub>\u2013HF\uff0c\u9676\u74f7Sr2<\/sub>SiO4<\/sub>:Eu2+<\/sup>\u7eff\u8272\u8367\u5149\u7c89\uff0cKSF\u7ea2\u8272\u8367\u5149\u7c89\uff0c\u80f6\u4f53CsPbBr3<\/sub> NCs\u548cCdS E\/CdS\/ZnS NCs\u5728\u5149\u7167\u4e0b\u7684\u5149\u7a33\u5b9a\u6027\uff0c\u7528Norland-61\u5bc6\u5c01\u5728LED\u82af\u7247\u4e0a\uff0820\u6beb\u5b89\uff0c2.7\u4f0f\uff09\uff1b<\/p>\n

b.<\/strong> \u572885\u2103\u548c85%\u6e7f\u5ea6\u6761\u4ef6\u4e0b\u8001\u5316\u5b9e\u9a8c\uff0820\u6beb\u5b89\uff0c2.7\u4f0f\uff09\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u8be5\u5de5\u4f5c\u4ecb\u7ecd\u4e86\u4e00\u79cd\u5728\u9ad8\u6e29\u4e0b\u539f\u4f4d\u751f\u957f\u548c\u5c06CsPbBr3<\/sub> NCs\u5c01\u88c5\u5230SiO2<\/sub>\u4e2d\u4ee5\u63d0\u9ad8\u7a33\u5b9a\u6027\u7684\u7b80\u4fbf\u65b9\u6cd5\u3002\u57fa\u4e8e\u5206\u5b50\u7b5b\uff08MCM-41\uff09\u7279\u6709\u7684\u591a\u5b54\u7ed3\u6784\uff0c\u6211\u4eec\u80fd\u591f\u5728\u9ad8\u6e29\u4e0b\u901a\u8fc7\u7eb3\u7c73\u9650\u5236\u751f\u957f\u6765\u5408\u6210CsPbBr3<\/sub> NCs\u3002\u901a\u8fc7\u5de7\u5999\u5730\u5229\u7528MCM-41\u5728\u9ad8\u6e29\u4e0b\u7684\u7279\u5b9a\u5d29\u584c\u884c\u4e3a\uff0c\u6211\u4eec\u6210\u529f\u5730\u5c06CsPbBr3<\/sub> NCs\u5c01\u88c5\u5230\u81f4\u5bc6\u7684SiO2<\/sub>\u56fa\u4f53\u4e2d\uff0c\u4e3aCsPbBr3 <\/sub>NCs\u63d0\u4f9b\u4e86\u9676\u74f7\u822c\u7684\u7a33\u5b9a\u6027\u3002\u7279\u522b\u662fCsPbBr3<\/sub>-SiO2<\/sub>\u5728\u84dd\u8272LED\u82af\u7247(20 mA, 2.7 V)\u4e0a\u7167\u5c041000 h\u540e\uff0c\u5176PL\u5f3a\u5ea6\u4ecd\u4e3a\u521d\u59cb\u503c\u7684100%\uff0c\u751a\u81f3\u4f18\u4e8e\u7845\u9178\u76d0\u9676\u74f7\u8367\u5149\u7c89\u3002\u7a33\u5b9a\u7684\u7a33\u5b9a\u6027\u3001\u8d85\u7a84\u7684\u53d1\u5c04\u548c\u9ad8\u7684PLQY\uff0c\u4f7fCsPbBr3<\/sub>-SiO2<\/sub>\u7c89\u672b\u6210\u4e3a\u8bb8\u591a\u5149\u7535\u5e94\u7528\u7684\u7406\u60f3\u6d3b\u6027\u6750\u6599\uff0c\u7279\u522b\u662f\u4f5c\u4e3a\u5bbd\u8272\u57df\u663e\u793a\u5668\u7684\u4e0b\u8f6c\u6362\u53d1\u5c04\u6781\u3002\u5176\u4f18\u5f02\u7684\u8010\u6c34\/\u8010\u9178\u6027\u5c06\u6269\u5c55\u9499\u949b\u77ffNCs\u7684\u5e94\u7528\uff0c\u4f8b\u5982\u5728\u4f53\u5916\u751f\u7269\u6210\u50cf\/\u751f\u7269\u4f20\u611f\u8367\u5149\u6807\u8bb0\uff0c\u751a\u81f3\u5728\u9178\u6027\u6c34\u4ecb\u8d28\uff08\u80c3\uff09\u4e2d\uff0c\u6216\u8005\u5982\u679c\u6211\u4eec\u80fd\u591f\u5c06CsPbBr3<\/sub>-SiO2<\/sub>\u7c89\u672b\u6210\u4e3a\u8bb8\u591a\u5149\u7535\u5e94\u7528\u7684\u7406\u60f3\u6d3b\u6027\u6750\u6599\uff0c\u7279\u522b\u662f\u4f5c\u4e3a\u5bbd\u8272\u57df\u663e\u793a\u5668\u7684\u4e0b\u8f6c\u6362\u53d1\u5c04\u6781\u3002\u5176\u4f18\u5f02\u9897\u7c92\u7684\u5c3a\u5bf8\u51cf\u5c0f\u5230\u7eb3\u7c73\u7ea7\uff0c\u4e5f\u53ef\u4ee5\u5bf9\u6807\u8bb0\u7684\u76ee\u6807\u8fdb\u884c\u957f\u671f\u7684\u4f53\u5185\u8ddf\u8e2a\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Ceramic-like stable CsPbBr3nanocrystals encapsulated in silica derived from molecular sieve templates<\/a>, Nature Communication, 2020, doi: 10.1038\/s41467-019-13881-0.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Nat. Commun.: \u7c7b\u9676\u74f7\u7a33\u5b9a\u7684\u5206\u5b50\u7b5b\u6a21\u677f\u4e8c\u6c27\u5316\u7845\u5305\u88f9\u7684CsPbBr3\u7eb3\u7c73\u6676 \u3010\u5f15\u8a00\u3011 \u9499\u949b\u77ff\u578b\u7eb3\u7c73\u6676(NCs)\u662f\u6613\u4e8e\u5408\u6210\u7684\u5ec9\u4ef7\u6750\u6599\uff0c\u53ef\u80fd\u6210\u4e3a\u6700\u5177\u6210\u672c\u7ade…<\/p>\n","protected":false},"author":2114,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-194653","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/194653"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/2114"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=194653"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/194653\/revisions"}],"predecessor-version":[{"id":195131,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/194653\/revisions\/195131"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=194653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=194653"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=194653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}