{"id":200765,"date":"2020-04-29T06:32:25","date_gmt":"2020-04-28T22:32:25","guid":{"rendered":"\/\/m.iemloyee.com\/?p=200765"},"modified":"2020-04-28T14:32:35","modified_gmt":"2020-04-28T06:32:35","slug":"%e6%ad%a6%e6%b1%89%e7%90%86%e5%b7%a5%e5%a4%a7%e5%ad%a6%e7%8e%8b%e6%b6%9bchem-mater-%e8%8b%af%e7%a3%ba%e9%85%b8%e7%9b%90%e8%af%b1%e5%af%bccspbbrxcl3-x%e7%ba%b3%e7%b1%b3%e6%99%b6%e5%8d%a4%e7%b4%a0","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=200765","title":{"rendered":"\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u738b\u6d9bChem Mater: \u82ef\u78fa\u9178\u76d0\u8bf1\u5bfcCsPbBrxCl3-x\u7eb3\u7c73\u6676\u5364\u7d20\u4ea4\u6362\u5b9e\u73b0\u84dd\u5149\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u5149\u8c31\u8c03\u63a7"},"content":{"rendered":"

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

\u8fd1\u5e74\u6765\uff0c\u5168\u65e0\u673aCsPbX3<\/sub>\uff08X=Cl\u3001Br\u3001I\uff09\u9499\u949b\u77ff\u7eb3\u7c73\u6676\uff08NCs\uff09\u56e0\u5176\u7f3a\u9677\u8010\u53d7\u6027\u5f3a\u3001\u8367\u5149\u91cf\u5b50\u4ea7\u7387\uff08PLQY\uff09\u9ad8\u3001\u53d1\u5149\u8272\u5ea6\u7eaf\u548c\u5149\u8c31\u6613\u8c03\u8282\u7b49\u4f18\u70b9\u5f15\u8d77\u4e86\u7814\u7a76\u8005\u6781\u5927\u7684\u5173\u6ce8\uff0c\u5728\u53d1\u5149\u4e8c\u6781\u7ba1\u5668\u4ef6\uff08LEDs\uff09\u4e2d\u5177\u6709\u7a81\u51fa\u7684\u4f18\u52bf\u3002\u9499\u949b\u77ffNCs\u53ca\u5176\u53d1\u5149\u4e8c\u6781\u7ba1\u5668\u4ef6\uff08PeLEDs\uff09\u7684\u5149\u8c31\u8c03\u8282\u901a\u5e38\u662f\u901a\u8fc7\u5728\u524d\u9a71\u6db2\u4e2d\u8bbe\u8ba1\u4e0d\u540c\u6bd4\u4f8b\u7684\u5364\u7d20\u524d\u9a71\u4f53\u6216\u4f7f\u7528\u542b\u5364\u7d20\u7684\u76d0\u5bf9\u5408\u6210\u540e\u7684\u9499\u949b\u77ffNCs\u8fdb\u884c\u9634\u79bb\u5b50\u4ea4\u6362\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u738b\u6d9b\u6559\u6388\u56e2\u961f\u53d1\u73b0\u4e86\u4e00\u79cd\u901a\u8fc7\u82ef\u78fa\u9178\u76d0\u6709\u673a\u914d\u4f53\u89e6\u53d1\u9499\u949b\u77ffNCs\u5364\u7d20\u4ea4\u6362\u6765\u8c03\u8282CsPbBrx<\/sub>Cl3-x<\/sub> NCs\u53caPeLEDs\u53d1\u5149\u5149\u8c31\u7684\u65b0\u65b9\u6cd5\u3002\u5f53\u5411CsPbBr1.5<\/sub>Cl1.5<\/sub> NCs\u5206\u6563\u6db2\u4e2d\u6dfb\u52a0\u4e0d\u540c\u91cf\u7684\u5bf9\u7532\u82ef\u78fa\u9178\u56db\u4e01\u57fa\u94f5\uff08TBSA\uff09\u6709\u673a\u914d\u4f53\u65f6\uff0c\u5176\u8367\u5149\u53d1\u5c04\u5cf0\u4ece\u6700\u521d\u7684457 nm\u84dd\u79fb\u5230409 nm\uff1b\u800c\u5728\u6dfb\u52a0\u5341\u4e8c\u70f7\u57fa\u82ef\u78fa\u9178\u94a0\uff08SDSA\uff09\u65f6\uff0c\u8367\u5149\u53d1\u5c04\u5cf0\u4ece457 nm\u7ea2\u79fb\u5230512 nm\u3002\u7ecf\u8fc7\u4e00\u7cfb\u5217\u5b9e\u9a8c\u8bc1\u5b9e\u8be5\u5149\u8c31\u504f\u79fb\u662f\u7531\u82ef\u78fa\u9178\u76d0\u6709\u673a\u914d\u4f53\u7684\u9634\u79bb\u5b50\u548c\u9633\u79bb\u5b50\u7684\u534f\u540c\u4f5c\u7528\u6765\u5171\u540c\u8c03\u63a7\u7684\u3002CsPbBrx<\/sub>Cl3-x<\/sub> NCs\u8868\u9762\u7684\u82ef\u78fa\u9178\u76d0\u5728\u8bf1\u5bfc\u5364\u7d20\u914d\u4f53\u4ea4\u6362\u7684\u540c\u65f6\uff0c\u8fd8\u5177\u6709\u4f18\u5f02\u7684\u7f3a\u9677\u949d\u5316\u6548\u679c\uff0c\u53ef\u5c06PLQY\u4ece7%\u663e\u8457\u63d0\u9ad8\u81f381%\uff0c\u5e76\u4e14\u7ec4\u88c5\u7684\u84dd\u5149PeLEDs\u5668\u4ef6\u7684\u6700\u5927\u5916\u90e8\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\u8fbe\u52302.6%\u3002<\/p>\n

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

\u5728\u8bc1\u5b9e\u5364\u7d20\u4ea4\u6362\u7684\u7814\u7a76\u4e2d\uff0c\u56e2\u961f\u9996\u5148\u5c06\u5f15\u5165\u82ef\u78fa\u9178\u76d0\u5904\u7406\u7684NCs\u4e0e\u7eafBr\u548c\u7eafCl\u5408\u6210\u7684NCs\u8fdb\u884c\u5bf9\u6bd4\uff0c\u7ed3\u679c\u8868\u660e\u5728\u5f15\u5165\u8db3\u591f\u91cf\u7684\u82ef\u78fa\u9178\u76d0\u4e4b\u540e\uff0cCsPbBrx<\/sub>Cl3-x<\/sub> NCs\u7684\u8367\u5149\u53d1\u5c04\u5cf0\u4e0e\u5355\u4e00\u5364\u7d20\u5408\u6210\u7684NCs\uff08CsPbBr3<\/sub>\u6216CsPbCl3<\/sub>\uff09\u51e0\u4e4e\u4e00\u81f4\uff0c\u540c\u65f6X\u5c04\u7ebf\u884d\u5c04\uff08XRD\uff09\u7684\u884d\u5c04\u5cf0\u4f4d\u7f6e\u4e5f\u76f8\u5bf9\u5e94\u3002\u6838\u78c1\u6c22\u8c31\uff081<\/sup> H NMR\uff09\u548cX\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff08XPS\uff09\u6d4b\u8bd5\u7ed3\u679c\u5982\u56fe2\u6240\u793a\uff0c\u8bc1\u5b9eTBSA\u4e2d\u7684\u56db\u4e01\u80fa\u57fa\u548c\u82ef\u78fa\u9178\u57fa\u56e2\u4e0e\u9499\u949b\u77ffNCs\u90fd\u6709\u5f3a\u7684\u7ed3\u5408\u529b\uff0c\u800cSDSA\u4e2d\u7684\u82ef\u78fa\u9178\u57fa\u56e2\u4e5f\u4e0eNCs\u5177\u6709\u5f88\u5f3a\u7684\u7ed3\u5408\u529b\u3002\u5f15\u5165SDSA\u914d\u4f53\u540e\uff0cNCs\u4e2d\u7684Br\u542b\u91cf\u589e\u52a0\u4f46Cl\u7684\u542b\u91cf\u964d\u4f4e\uff0c\u5e76\u4e14\u5728\u5f15\u5165\u8db3\u591f\u91cf\u7684SDSA\u540eCl\u7684\u4fe1\u53f7\u6d88\u5931\uff0c\u8868\u660eNCs\u4e2d\u6240\u6709\u5364\u7d20\u4f4d\u70b9\u5747\u88abBr\u5360\u636e\u3002\u800c\u5f53\u5f15\u5165TBSA\u65f6\uff0c\u76f8\u53cd\u7684\u8fc7\u7a0b\u53d1\u751f\u4e86CsPbBrx<\/sub>Cl3-x<\/sub> NCs\u4e2d\u7684\u5364\u7d20\u4f4d\u70b9\u6700\u7ec8\u88abCl\u5360\u636e\u3002<\/p>\n

\u56fe1.\uff08a\uff09CsPbBrx<\/sub>Cl3-x<\/sub> NCs\u4e2d\u5364\u7d20\u4ea4\u6362\u793a\u610f\u56fe\uff1bCsPbBrx<\/sub>Cl3-x<\/sub> NCs\u7684\uff08b\uff09\u5438\u6536\u548cPL\u5149\u8c31\uff1b\uff08c\uff09XRD\u5149\u8c31\u3002\u4f7f\u7528\u4e0d\u540c\u91cf\u7684\uff08d\uff09TBSA\u548c\uff08e\uff09SDSA\u8fdb\u884c\u5364\u7d20\u4ea4\u6362\u540e\uff0c\u9499\u949b\u77ffNCs PL\u5149\u8c31\u7684\u84dd\u79fb\u548c\u7ea2\u79fb\u3002<\/p>\n

\"\"<\/p>\n

\u5728\u6df1\u5165\u5206\u6790\u5364\u7d20\u4ea4\u6362\u673a\u7406\u7684\u7814\u7a76\u4e2d\uff0c\u56e2\u961f\u8fdb\u4e00\u6b65\u5c1d\u8bd5\u4e86\u53e6\u5916\u4e24\u79cd\u82ef\u78fa\u9178\u76d0\uff1a\u5341\u4e8c\u70f7\u57fa\u82ef\u78fa\u9178\uff08DSA\uff09\u548c\u5bf9\u7532\u82ef\u78fa\u9178\u94a0\uff08SSA\uff09\u3002\u7ed3\u679c\u5982\u56fe3\u6240\u793a\uff1aDSA\u7684\u5f15\u5165\u65e0\u6cd5\u4f7fNCs\u5149\u8c31\u6709\u6548\u7684\u79fb\u52a8\uff0c\u540c\u65f6\u4f1a\u7834\u574f\u5206\u6563\u6db2\u7684\u7a33\u5b9a\u6027\uff1bSSA\u7684\u5f15\u5165\u4ec5\u4f7f\u5149\u8c31\u7ea2\u79fb\u4e8610 nm\uff0c\u5206\u6563\u6db2\u4e5f\u53d8\u5f97\u6df7\u6d4a\u3002\u5bf9\u6bd4SDSA\u548cDSA\uff0c\u8868\u660eSDSA\u7684\u9633\u79bb\u5b50\u5728\u89e6\u53d1\u9499\u949b\u77ffNCs\u7684\u5364\u7d20\u4ea4\u6362\u8fc7\u7a0b\u4e2d\u8d77\u5230\u5173\u952e\u4f5c\u7528\u3002\u540c\u65f6\uff0c\u4e0eTBSA\u7684\u84dd\u79fb\u7ed3\u679c\u76f8\u6bd4\uff0cSSA\u7565\u5fae\u7684\u7ea2\u79fb\u518d\u6b21\u8868\u660e\u914d\u4f53\u7684\u9633\u79bb\u5b50\u5728\u5364\u7d20\u4ea4\u6362\u8fc7\u7a0b\u4e2d\u8d77\u5173\u952e\u4f5c\u7528\u3002\u5206\u6790\u5177\u6709\u4e0d\u540c\u9634\u79bb\u5b50\u57fa\u56e2\u7684SSA\u548cTBSA\u7684\u6548\u679c\uff0c\u5219\u5f3a\u8c03\u4e86\u6709\u673a\u914d\u4f53\u7684\u9634\u79bb\u5b50\u5728\u5f15\u53d1\u5364\u7d20\u4ea4\u6362\u8fc7\u7a0b\u4e2d\u4e5f\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u7efc\u5408\u4ee5\u4e0a\u7ed3\u679c\uff1a CsPbBrx<\/sub>Cl3-x<\/sub>\u4e2d\u7684\u5364\u7d20\u4ea4\u6362\u5f52\u56e0\u4e8e\u82ef\u78fa\u9178\u76d0\u6709\u673a\u914d\u4f53\u9634\u79bb\u5b50\u548c\u9633\u79bb\u5b50\u7684\u534f\u540c\u4f5c\u7528\uff0c\u5176\u4e2d\u9633\u79bb\u5b50\u51b3\u5b9a\u5364\u7d20\u4ea4\u6362\u7684\u65b9\u5411\uff0c\u800c\u9634\u79bb\u5b50\u51b3\u5b9a\u5364\u7d20\u4ea4\u6362\u7684\u7a0b\u5ea6\u3002<\/p>\n

\u56fe2.\uff08a\uff09CsPbBr1.5<\/sub>Cl1.5<\/sub> NCs\u4e2d\u5f15\u5165120-TBSA\uff08\u84dd\u7ebf\uff09\u548c\u7eafTBSA\uff08\u9ed1\u7ebf\uff09\u76841<\/sup>H NMR\u5149\u8c31\uff1b\uff08b\uff09CsPbBr1.5<\/sub>Cl1.5<\/sub> NCs\u4e2d\u5f15\u5165 60-SDSA\uff08\u7eff\u7ebf\uff09\u548c\u7eafSDSA\uff08\u9ed1\u7ebf\uff09\u76841<\/sup>H NMR\u5149\u8c31\uff1b\uff08c\uff09XPS\u5149\u8c31\u53ca\uff08d\uff09Cl\u5149\u8c31\u548c\uff08e\uff09Br\u5149\u8c31\u3002<\/p>\n

\"\"<\/p>\n

\u56e2\u961f\u6700\u540e\u9009\u62e9\u4e86\u56db\u7ec4\u5177\u6709\u4e0d\u540c\u6ce2\u6bb5\u8367\u5149\u53d1\u5c04\u5cf0\u7684NCs\u6765\u7ec4\u88c5PeLEDs\u5668\u4ef6\uff0c\u5176\u4e2d\u53d1\u5c04\u5cf0\u4e3a496 nm\u7684\u84dd\u5149PeLED\u5668\u4ef6\u5c55\u73b0\u51fa\u4e862.6%\u7684\u5916\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\uff0c\u4e3a\u57fa\u4e8e\u9499\u949b\u77ff\u91cf\u5b50\u70b9\u7684\u84dd\u5149PeLEDs\u7684\u6700\u9ad8\u6548\u7387\u4e4b\u4e00\u3002\u8be5\u5de5\u4f5c\u4e3a\u84dd\u5149PeLEDs\u7684\u5149\u8c31\u8c03\u63a7\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u9896\u7684\u65b9\u6cd5\uff0c\u5e76\u4e14\u4e3a\u8868\u9762\u914d\u4f53\u4e0eNCs\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u63d0\u4f9b\u4e86\u65b0\u7684\u8ba4\u8bc6\u3002<\/p>\n

\u56fe3. \uff08a\uff09\u4e0d\u540c\u82ef\u78fa\u9178\u76d0\u8c03\u63a7\u7684\u9499\u949b\u77ffNCs\u5206\u6563\u6db2\u7684\u7167\u7247\uff1b\u4e0d\u540c\u542b\u91cf\uff08b\uff09DSA\u548c\uff08c\uff09SSA\u8c03\u63a7\u540eNCs\u7684PL\u5149\u8c31\u504f\u79fb\u3002<\/p>\n

\"\"<\/p>\n

\u56fe4. \uff08a\uff09PeLEDs\u5668\u4ef6\u7684\u80fd\u7ea7\u56fe\uff1b\uff08b\uff09-\uff08e\uff09\u5404\u7ec4PeLEDs\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u4eae\u5ea6\uff0c\u7535\u6d41\u6548\u7387\u548cEQE\u4e0e\u7535\u538b\u7684\u5173\u7cfb\u56fe\uff1b\uff08f\uff09EL\u5149\u8c31\u53ca\u90e8\u5206PeLEDs\u5668\u4ef6\u7684\u53d1\u5149\u7167\u7247\u3002<\/p>\n

\"\"<\/p>\n

\u8fd9\u4e00\u6210\u679c\u8fd1\u671f\u53d1\u8868\u5728Chemistry of Materials<\/em>\u4e0a\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u535a\u58eb\u7814\u7a76\u751f\u53f6\u65b9\u6d69\u4e3a\u6587\u7ae0\u7684\u7b2c\u4e00\u4f5c\u8005\uff0c\u738b\u6d9b\u6559\u6388\u4e3a\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n

\u82f1\u6587\u539f\u9898\uff1aSpectral tuning of efficient CsPbBrx<\/sub>Cl3-x<\/sub> blue light-emitting diodes via halogen exchange triggered by benzenesulfonates<\/p>\n

\u4f5c\u8005\uff1aFanghao Ye, Huijun Zhang, Pang Wang, Jinlong Cai, Liang Wang, Dan Liu, Tao Wang*<\/p>\n

\u901a\u8baf\u4f5c\u8005\uff1a\u738b\u6d9b\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66<\/p>\n

\u90ae\u7bb1\uff1atwang@whut.edu.cn<\/a><\/p>\n

Chemistry of Materials<\/em>\u00a02020, 32, 3211-3218.<\/p>\n

Publication Date: March 10, 2020<\/p>\n

https:\/\/pubs.acs.org\/doi\/10.1021\/acs.chemmater.0c00312<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u524d\u8a00\u3011 \u8fd1\u5e74\u6765\uff0c\u5168\u65e0\u673aCsPbX3\uff08X=Cl\u3001Br\u3001I\uff09\u9499\u949b\u77ff\u7eb3\u7c73\u6676\uff08NCs\uff09\u56e0\u5176\u7f3a\u9677\u8010\u53d7\u6027\u5f3a\u3001\u8367\u5149\u91cf\u5b50\u4ea7\u7387\uff08PLQY\uff09\u9ad8\u3001\u53d1\u5149\u8272\u5ea6\u7eaf\u548c\u5149\u8c31\u6613\u8c03\u8282\u7b49\u4f18\u70b9\u5f15\u8d77\u4e86…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-200765","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/200765"}],"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\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=200765"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/200765\/revisions"}],"predecessor-version":[{"id":200771,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/200765\/revisions\/200771"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=200765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=200765"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=200765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}