{"id":219987,"date":"2021-04-05T06:24:03","date_gmt":"2021-04-04T22:24:03","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=219987"},"modified":"2021-04-04T17:24:22","modified_gmt":"2021-04-04T09:24:22","slug":"adv-funct-mater-%ef%bc%9acspbbr3%e9%92%99%e9%92%9b%e7%9f%bf%e7%ba%b3%e7%b1%b3%e7%ba%bf%e4%b8%8e%e7%ba%b3%e7%b1%b3%e6%a3%92%e4%b9%8b%e9%97%b4%e7%9a%84%e5%8f%af%e9%80%86%e8%bd%ac%e5%8f%98%e5%8f%8a","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=219987","title":{"rendered":"Adv. Funct. Mater.\uff1aCsPbBr3\u9499\u949b\u77ff\u7eb3\u7c73\u7ebf\u4e0e\u7eb3\u7c73\u68d2\u4e4b\u95f4\u7684\u53ef\u9006\u8f6c\u53d8\u53ca\u5176\u504f\u632f\u5149\u7535\u7279\u6027"},"content":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u4ee5\u94ef\u94c5\u5364\u5316\u7269\uff08CsPbX3<\/sub>\uff0cX=Cl\u3001Br\u3001I\uff09\u4e3a\u4ee3\u8868\u7684\u5168\u65e0\u673a\u9499\u949b\u77ff\u534a\u5bfc\u4f53\u5177\u6709\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u9ad8\u3001\u6269\u6563\u957f\u5ea6\u957f\u3001\u5149\u7535\u8f6c\u6362\u6548\u7387\u9ad8\u3001\u8367\u5149\u91cf\u5b50\u4ea7\u7387\u9ad8\u7b49\u4f18\u70b9\uff0c\u5176\u5728\u5149\u4f0f\u3001\u5149\u7535\u3001\u50ac\u5316\u7b49\u9886\u57df\u6709\u7740\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u3002\u7531\u4e8e\u5c3a\u5bf8\u548c\u91cf\u5b50\u9650\u5236\u6548\u5e94\uff0c\u7eb3\u7c73CsPbX3<\/sub>\u7684\u7269\u7406\u6027\u8d28\u53ef\u4ee5\u8fdb\u884c\u7075\u6d3b\u7684\u8bbe\u8ba1\uff0c\u5176\u4e2dCsPbX3<\/sub>\u8d85\u7ec6\u7eb3\u7c73\u7ebf\/\u7eb3\u7c73\u68d2\u7684\u7269\u7406\u6027\u8d28\u5728\u8f74\u5411\u548c\u5f84\u5411\u4e0a\u5177\u6709\u663e\u8457\u5dee\u5f02\u800c\u5907\u53d7\u5173\u6ce8\u3002\u56e0\u6b64\uff0c\u5408\u6210\u5c3a\u5bf8\u548c\u5f62\u8c8c\u53ef\u63a7\u7684\u9ad8\u8d28\u91cf\u7eb3\u7c73CsPbX3<\/sub>\u662f\u5176\u6027\u8d28\u4e0e\u5e94\u7528\u7814\u7a76\u7684\u57fa\u7840\u3002\u7136\u800c\uff0c\u76ee\u524d\u5728\u5f3a\u91cf\u5b50\u9650\u5236\u5c3a\u5bf8\u8303\u56f4\u5185\u5bf9CsPbX3<\/sub>\u7eb3\u7c73\u68d2\/\u7eb3\u7c73\u7ebf\u7684\u76f4\u5f84\u548c\u957f\u5ea6\u8fdb\u884c\u7cbe\u7ec6\u63a7\u5236\u4ecd\u7136\u9762\u4e34\u6311\u6218\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66\u738b\u8bad\u6559\u6388\u3001\u5357\u4eac\u5e08\u8303\u5927\u5b66\u5f90\u7fd4\u661f\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u4e00\u79cd\u76f4\u5f842-3 nm\u8d85\u7ec6CsPbX3<\/sub>\u9499\u949b\u77ff\u7eb3\u7c73\u7ebf\u7684\u5ba4\u6e29\u5408\u6210\u6cd5\u3002\u7814\u7a76\u53d1\u73b0\uff0cCsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u7684\u5f62\u6001\u5728\u53cd\u5e94\u6eb6\u6db2\u4e2d\u80fd\u957f\u65f6\u95f4\u7a33\u5b9a\u4fdd\u5b58\uff1b\u800c\u5206\u6563\u5728\u73af\u5df1\u70f7\u4e2d\uff0c\u5b83\u4eec\u4f1a\u8f6c\u53d8\u6210\u7eb3\u7c73\u68d2\uff0c\u7eb3\u7c73\u68d2\u7684\u957f\u5ea6\u548c\u76f4\u5f84\u53ef\u901a\u8fc7\u6d53\u5ea6\u548c\u65f6\u95f4\u8c03\u63a7\uff1b\u5c06\u8fd9\u4e9b\u7eb3\u7c73\u68d2\u5206\u6563\u5230\u5408\u6210\u4e0a\u6e05\u6db2\u4e2d\uff0c\u53c8\u80fd\u91cd\u65b0\u8f6c\u53d8\u4e3a\u7eb3\u7c73\u7ebf\u3002\u4f5c\u8005\u5728\u6587\u4e2d\u5bf9\u8be5\u73b0\u8c61\u8fdb\u884c\u4e86\u6df1\u5165\u5206\u6790\u548c\u8ba8\u8bba\uff0c\u52a0\u6df1\u4e86\u4eba\u4eec\u5bf9\u9499\u949b\u77ff\u7eb3\u7c73\u6750\u6599\u7a33\u5b9a\u6027\u3001\u5f62\u8c8c\u548c\u76f8\u8f6c\u53d8\u7684\u8ba4\u8bc6\u3002\u4f5c\u8005\u8fd8\u7814\u7a76\u4e86\u8fd9\u4e9b\u7eb3\u7c73\u68d2\/\u7eb3\u7c73\u7ebf\u7684\u504f\u632f\u5149\u7535\u7279\u6027\u5e76\u5236\u5907\u4e86\u76f8\u5e94\u7684\u7ebf\u504f\u632f\u5149\u63a2\u6d4b\u5668\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cReversible Transformation between CsPbBr3<\/sub> Perovskite Nanowires and Nanorods with Polarized Optoelectronic Properties\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aAdv. Funct. Mater.<\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001\u8d85\u7ec6CsPbX3<\/sub>\u9499\u949b\u77ff\u7eb3\u7c73\u7ebf\u7684TEM\u56fe\u50cf<\/strong>
\n \"\"a\uff09\u8d85\u7ec6CsPbCl3<\/sub>\u7eb3\u7c73\u7ebf\uff1b<\/p>\n

b\uff09\u8d85\u7ec6CsPbClx<\/sub>Br3-x<\/sub>\u7eb3\u7c73\u7ebf\uff1b<\/p>\n

c\uff09\u8d85\u7ec6CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\uff1b<\/p>\n

d\uff09\u8d85\u7ec6CsPbBrx<\/sub>I3-x<\/sub>\u7eb3\u7c73\u7ebf\uff1b<\/p>\n

e\uff09\u8d85\u7ec6CsPbI3<\/sub>\u7eb3\u7c73\u7ebf\uff1b<\/p>\n

f\uff09\u5176\u5728\u73af\u5df1\u70f7\u6eb6\u6db2\u4e2d\u548c\u7d2b\u5916\u5149\u6fc0\u53d1\u4e0b\u7684\u7167\u7247\u3002<\/p>\n

\u56fe\u4e8c\u3001CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u548c\u7eb3\u7c73\u68d2\u7684XRD\u8c31\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe\u4e09\u3001CsPbBr3<\/sub>\u7eb3\u7c73\u68d2\u548c\u7eb3\u7c73\u7ebf\u7684TEM\/HRTEM\u8868\u5f81\u4e0e\u53ef\u9006\u8f6c\u5316<\/strong>
\n \"\"a-d\uff09\u4e0d\u540c\u5c3a\u5bf8CsPbBr3<\/sub>\u7eb3\u7c73\u68d2\u7684TEM\u56fe\u50cf\uff0c\u5176\u4e2da\uff09\u22485.2*18 nm\u3001b\uff09\u22486.6*32 nm\u3001c\uff09\u22488.5*55 nm\u548cd\uff09\u22484.8*79 nm\uff1b<\/p>\n

e-f\uff09\u5c3a\u5bf8\u22485.1*50 nm CsPbBr3<\/sub>\u7eb3\u7c73\u68d2\u4e0e\u8f6c\u5316\u4e3a\u7eb3\u7c73\u7ebf\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

g-h\uff09\u5c3a\u5bf8\u22484.6*45 nm CsPbBr3<\/sub>\u7eb3\u7c73\u68d2\u4e0e\u8f6c\u5316\u4e3a\u7eb3\u7c73\u7ebf\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

i\uff09CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u4e0e\u7eb3\u7c73\u68d2\u4e4b\u95f4\u7684\u76f8\u4e92\u8f6c\u5316\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe\u56db\u3001CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u548c\u7eb3\u7c73\u68d2\u7684\u5149\u8c31\u4e0e\u5c3a\u5bf8\u5206\u5e03<\/strong>
\n \"\"a\uff09CsPbX3<\/sub>\u7eb3\u7c73\u7ebf\u7684\u7d2b\u5916-\u53ef\u89c1\u5149\u5438\u6536\u5149\u8c31\u548cPL\u5149\u8c31\uff1b<\/p>\n

b-c\uff09CsPbBr3<\/sub>\u7eb3\u7c73\u68d2\u7684\u7d2b\u5916-\u53ef\u89c1\u5149\u5438\u6536\u5149\u8c31\u548cPL\u5149\u8c31\uff0c\u4ee5\u53ca\u76f4\u5f84\u548c\u957f\u5ea6\u5206\u5e03\u3002<\/p>\n

\u56fe\u4e94\u3001CsPbBr3<\/sub>\u7eb3\u7c73\u68d2\uff08\u22484.8*79 nm\uff09\u7684PL\u6781\u5316\u7279\u6027<\/strong>
\n \"\"a\uff09\u9499\u949b\u77ff\u80f6\u4f53\u6eb6\u6db2\u7ebf\u6027\u6781\u5316\u6fc0\u53d1\u7684PL\u6781\u5316\u6d4b\u91cf\u793a\u610f\u56fe\uff1b<\/p>\n

b\uff09CsPbBr3<\/sub>\u7eb3\u7c73\u68d2\u6eb6\u6db2\u7684\u6781\u5316PL\uff1b<\/p>\n

c-d\uff09\u5229\u7528\u7ebf\u6027\u6781\u5316\u6fc0\u53d1\u5bf9\u9499\u949b\u77ff\u8584\u819c\u8fdb\u884cPL\u6781\u5316\u6d4b\u91cf\u7684\u793a\u610f\u56fe\uff0c\u4ee5\u53caCsPbBr3<\/sub>\u7eb3\u7c73\u68d2\u8584\u819c\u7684\u6781\u5316PL\u3002<\/p>\n

\u56fe\u516d\u3001\u5177\u6709\u6781\u5316\u5149\u7535\u7279\u6027\u7684\u5b9a\u5411\u7ec4\u88c5CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf<\/strong>
\n \"\"a\uff09\u7528\u4e8e\u5149\u7535\u6d4b\u91cf\u7684\u53c9\u6307\u7535\u6781\u7684\u56fe\u50cf\uff1b<\/p>\n

b\uff09\u901a\u8fc7\u5237\u6d82\u5236\u5907\u7684\u7ec4\u88c5\u7684CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u8584\u819c\u7684\u5178\u578bSEM\u56fe\u50cf\uff1b<\/p>\n

c\uff09\u901a\u8fc7\u5782\u76f4\u6216\u5e73\u884c\u4e8e\u5237\u6d82\u65b9\u5411\u7684\u7ebf\u6027\u504f\u632f\u5668\u89c2\u5bdf\u5230\u7684\u76f8\u5e94PL\uff1b<\/p>\n

d\uff09\u6eb6\u6db2\u548c\u8584\u819c\u4e2dCsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u7684\u6781\u5316\u5438\u6536\u5149\u8c31\uff1b<\/p>\n

e\uff09\u5b9a\u5411\u7ec4\u88c5\u7684CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u8584\u819c\u7684\u504f\u632f\u654f\u611f\u5149\u7535\u63a2\u6d4b\u6027\u80fd\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u53d1\u5c55\u4e86\u4e00\u79cd\u5ba4\u6e29\u5408\u6210\u8d85\u7ec6CsPbX3<\/sub>\u7eb3\u7c73\u7ebf\u7684\u65b9\u6cd5\u3002\u5c06CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u5206\u6563\u4e8e\u73af\u5df1\u70f7\uff0c\u901a\u8fc7\u63a7\u5236\u5176\u6d53\u5ea6\u548c\u5ba4\u6e29\u719f\u5316\u65f6\u95f4\uff0c\u7eb3\u7c73\u7ebf\u53ef\u8f6c\u53d8\u6210\u76f4\u5f84\u548c\u957f\u5ea6\u53ef\u8c03\u7684\u7eb3\u7c73\u68d2\u3002\u8be5\u8fc7\u7a0b\u65e0\u9700\u6dfb\u52a0\u53cd\u5e94\u7269\u6216\u8868\u9762\u6d3b\u6027\u5242\u3001\u65e0\u9700\u52a0\u70ed\u3001\u65e0\u9700\u8fdb\u4e00\u6b65\u7eaf\u5316\u5373\u53ef\u5b9e\u73b0\u5f62\u6001\u8f6c\u53d8\u3002\u6240\u5236\u5907\u7684\u7eb3\u7c73\u7ebf\/\u7eb3\u7c73\u68d2\u5177\u6709\u4e0e\u521d\u59cb\u7eb3\u7c73\u7ebf\u76f8\u540c\u7684\u8868\u9762\u4fee\u9970\u914d\u4f53\u548c\u8d28\u91cf\u6d53\u5ea6\u3002\u4f5c\u8005\u8fdb\u4e00\u6b65\u5b9e\u73b0\u4e86\u7eb3\u7c73\u68d2\u5411\u7eb3\u7c73\u7ebf\u7684\u53cd\u5411\u8f6c\u53d8\uff0c\u63d0\u51fa\u4e86\u9499\u949b\u77ff\u7eb3\u7c73\u7ebf\u548c\u7eb3\u7c73\u68d2\u76f8\u4e92\u8f6c\u53d8\u7684\u63a7\u5236\u673a\u7406\uff0c\u4e3a\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u7684\u5f62\u8c8c\u63a7\u5236\u5f00\u8f9f\u4e86\u4e00\u6761\u65b0\u7684\u9014\u5f84\uff0c\u5e76\u6709\u671b\u5e94\u7528\u4e8e\u5176\u4ed6\u7eb3\u7c73\u6676\u4f53\u548c\u6eb6\u6db2\u4f53\u7cfb\u3002\u4f5c\u8005\u5229\u7528\u504f\u632f\u5438\u6536\u548c\u53d1\u5c04\u6a21\u578b\u7814\u7a76\u4e86CsPbBr3<\/sub>\u7eb3\u7c73\u7ebf\u548c\u7eb3\u7c73\u68d2\u7684\u504f\u632f\u5149\u7535\u6027\u8d28\u3002\u5176\u4e2d\uff0c\u5b9a\u5411\u7ec4\u88c5\u7684CsPbBr3<\/sub>\u7eb3\u7c73\u68d2\u83b7\u5f97\u4e86\u9ad8\u8fbe0.9\u7684\u5149\u81f4\u53d1\u5149\u6781\u5316\uff0c\u5236\u5907\u4e86\u504f\u632f\u578b\u5149\u7535\u63a2\u6d4b\u5668\u3002\u9499\u949b\u77ff\u7eb3\u7c73\u7ebf\u548c\u7eb3\u7c73\u68d2\u7684\u504f\u632f\u76f8\u5173\u5149\u7535\u7279\u6027\u5bf9\u7814\u7a761D\/\u51c61D\u7cfb\u7edf\u4e2d\u4e0e\u7ef4\u5ea6\u76f8\u5173\u7684\u6fc0\u5b50\u7269\u7406\uff0c\u4ee5\u53ca\u5bf9\u5229\u7528\u56fe\u6848\u5316\u7684\u7eb3\u7c73\u7ebf\/\u7eb3\u7c73\u68d2\u7ec4\u88c5\u4f53\u6784\u5efa\u65b0\u578b\u529f\u80fd\u5316\u5149\u7535\u5b50\u5668\u4ef6\u63d0\u4f9b\u4e86\u57fa\u7840\u548c\u542f\u53d1\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aReversible Transformation between CsPbBr3<\/sub> Perovskite Nanowires and Nanorods with Polarized Optoelectronic Properties<\/a><\/strong>. Adv. Funct. Mater.<\/em>, 2021<\/strong>, DOI: 10.1002\/adfm.202011251.<\/p>\n

\u672c\u6587\u7531CQR\u7f16\u8bd1\u3002<\/p>\n

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