{"id":73232,"date":"2017-03-31T06:30:59","date_gmt":"2017-03-30T22:30:59","guid":{"rendered":"\/\/m.iemloyee.com\/?p=73232"},"modified":"2017-03-27T15:22:43","modified_gmt":"2017-03-27T07:22:43","slug":"nano-lett-%ef%bc%9a%e5%9f%ba%e4%ba%8e%e8%83%b6%e4%bd%93%e9%87%8f%e5%ad%90%e7%82%b9%e7%9a%84%e7%a8%b3%e5%ae%9a%e5%9b%9e%e9%9f%b3%e5%a3%81%e6%a8%a1%e5%bc%8f%e5%be%ae%e6%b3%a1%e6%bf%80%e5%85%89","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=73232","title":{"rendered":"Nano Lett.\uff1a\u57fa\u4e8e\u80f6\u4f53\u91cf\u5b50\u70b9\u7684\u7a33\u5b9a\u56de\u97f3\u58c1\u6a21\u5f0f\u5fae\u6ce1\u6fc0\u5149"},"content":{"rendered":"

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

\u5fae\u6fc0\u5149\u5728\u4ece\u4f20\u611f\u5230\u5149\u5b50\u96c6\u6210\u7535\u8def\u7684\u5e7f\u9614\u9886\u57df\u90fd\u6709\u6781\u5927\u7684\u5e94\u7528\u6f5c\u529b\u3002\u4eba\u4eec\u603b\u662f\u81f4\u529b\u4e8e\u63a2\u7d22\u9ad8\u6027\u80fd\u3001\u4f4e\u6210\u672c\u7684\u5fae\u6fc0\u5149\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u4e3a\u5149\u5b50\u548c\u5149\u7535\u5b50\u4e2d\u7684\u5e94\u7528\u63d0\u4f9b\u65b0\u7684\u53ef\u80fd\u3002\u81ea\u4ece\u9996\u6b21\u89c2\u5bdf\u5230\u53d7\u6fc0\u8f90\u5c04\u4ee5\u6765\uff0c\u80f6\u4f53\u91cf\u5b50\u70b9\uff08CQDs\uff09\u7531\u4e8e\u5176\u53d1\u5149\u989c\u8272\u7684\u53ef\u8c03\u8282\u6027\u3001\u6f5c\u5728\u7684\u8f83\u4f4e\u975e\u6e29\u654f\u6027\u589e\u76ca\u9608\u503c\u548c\u6210\u672c\u6548\u76ca\u9ad8\u7684\u6db2\u76f8\u5904\u7406\u80fd\u529b\u800c\u6210\u4e3a\u4e86\u6700\u5177\u6f5c\u529b\u7684\u5149\u5b66\u589e\u76ca\u5a92\u4ecb\u3002\u7136\u800c\uff0c\u622a\u6b62\u76ee\u524d\uff0c\u5f00\u53d1\u57fa\u4e8eCQD\u7684\u4f4e\u6210\u672c\u3001\u9ad8\u6027\u80fd\u5fae\u6fc0\u5149\u5668\u4ef6\u4ecd\u7136\u6781\u5177\u6311\u6218\u3002\u6b64\u5916\uff0cCQDs\u5728\u6c27\u6c14\u6216\u6e7f\u6c14\u4e2d\u662f\u5341\u5206\u8106\u5f31\u7684\uff0c\u800c\u4e14\u7531\u4e8e\u4e0d\u7a33\u5b9a\u6709\u673a\u914d\u4f53\u7684\u5b58\u5728\uff0c\u5176\u4f1a\u5728\u66b4\u9732\u7a7a\u6c14\u7684\u8fc7\u7a0b\u4e2d\u9010\u6e10\u8870\u51cf\u3002\u5c06\u6709\u673a\u805a\u5408\u7269\u4f5c\u4e3a\u4fdd\u62a4\u7f51\u7edc\uff0c\u628aCQDs\u5c01\u88c5\u5728\u6709\u673a\u805a\u5408\u7269\u4e2d\u5c31\u53ef\u4ee5\u8d77\u5230\u4fdd\u62a4CQDs\u7684\u76ee\u7684\u3002\u8fd1\u5e74\u6765\uff0c\u56de\u97f3\u58c1\u6a21\u5f0f\uff08WGM\uff09\u5fae\u6fc0\u5149\u7531\u4e8e\u8f83\u5c0f\u7684\u6a21\u4f53\u79ef\u548c\u8f83\u9ad8\u7684\u8d28\u91cf\u56e0\u6570\uff08Q-factor\uff09\u5438\u5f15\u4e86\u7814\u7a76\u8005\u4eec\u6781\u5927\u7684\u5173\u6ce8\u3002\u5c06\u57fa\u4e8eCQDs\u7684WGM\u5fae\u6fc0\u5149\u5e94\u7528\u4e8e\u8bf8\u5982\u7403\u5f62\u6216\u73af\u5f62\u7684\u5408\u9002\u886c\u5e95\u4e0a\u53ef\u4ee5\u4fc3\u8fdbWGM\u5171\u632f\u7684\u4ea7\u751f\u3002\u4f46\u662f\u5bfb\u627e\u5408\u9002\u7684\u886c\u5e95\u548c\u8c03\u63a7\u6fc0\u5149\u6a21\u5f0f\u4ecd\u7136\u662f\u4e00\u5927\u96be\u9898\u3002<\/p>\n

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

\u6700\u8fd1\uff0c\u6765\u81ea\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u7684\u5b59\u6c49\u4e1c\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u62a5\u9053\u4e86\u4e00\u79cd\u57fa\u4e8e\u80f6\u4f53\u91cf\u5b50\u70b9\u7684\u7a33\u5b9a\u56de\u97f3\u58c1\u6a21\u5f0f\u5fae\u6ce1\u6fc0\u5149\uff0c\u76f8\u5173\u7684\u7814\u7a76\u6210\u679c\u4ee5\u201c<\/strong>Robust Whispering-Gallery-Mode Microbubble Lasers from Colloidal Quantum Dots<\/strong>\u201d<\/strong>\u4e3a\u9898\u53d1\u8868\u57282017\u5e743\u670813\u65e5\u7684Nano Letters<\/strong>\u4e0a\u3002<\/p>\n

\u5b9e\u9a8c\u4e2d\uff0c\u4f5c\u8005\u53d1\u5c55\u4e86\u4e00\u79cd\u72ec\u7279\u4e14\u666e\u9002\u7684\u65b9\u6cd5\u7528\u6765\u5f97\u5230\u57fa\u4e8eCQD\/PMMA\u7eb3\u7c73\u590d\u5408\u7269\u56de\u97f3\u58c1\u6a21\u5f0f\uff08WGM\uff09\u5fae\u6ce1\u6fc0\u5149\u3002\u901a\u8fc7\u8bb0\u5f55\u7eb3\u7c73\u590d\u5408\u7269\u6db2\u6ef4\u7684\u5e72\u71e5\u8fc7\u7a0b\u63ed\u793a\u4e86\u5fae\u6ce1\u7684\u5f62\u6210\u673a\u7406\u3002\u6709\u8da3\u7684\u662f\uff0c\u8fd9\u4e9b\u5fae\u6ce1\u53ef\u4ee5\u76f4\u63a5\u5145\u5f53\u9ad8\u8d28\u91cf\u7684WGM\u6fc0\u5149\u8c10\u632f\u8154\u3002\u901a\u8fc7\u5bf9CQDs\u8fdb\u884c\u6539\u53d8\uff0c\u53ef\u4ee5\u5728\u5168\u90e8\u53ef\u89c1\u5149\u8c31\u6bb5\u5bf9\u53d1\u5c04\u6fc0\u5149\u8fdb\u884c\u8c03\u8282\u3002\u66f4\u4e3a\u91cd\u8981\u7684\u662f\uff0c\u8fd9\u4e9b\u5fae\u6ce1\u6fc0\u5149\u8868\u73b0\u51fa\u4e86\u6781\u597d\u7684\u957f\u671f\u7a33\u5b9a\u6027\uff08\u8d85\u8fc7\u4e00\u5e74\uff09\uff0c\u5177\u6709\u8db3\u591f\u7684\u5b9e\u9645\u5e94\u7528\u6027\u3002\u6b64\u5916\uff0c\u5fae\u6ce1\u6fc0\u5149\u8fd8\u88ab\u7528\u4e8e\u5bf9\u4e8e\u6c34\u84b8\u6c14\u7684\u63a2\u6d4b\u4e2d\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\u5728\u57fa\u4e8e\u4f18\u5f02CQDs\u7684\u5fae\u6fc0\u5149\u5668\u7814\u7a76\u9886\u57df\u53d6\u5f97\u4e86\u5de8\u5927\u8fdb\u6b65\uff0c\u8fd9\u4e5f\u4e3a\u5149\u5b50\u548c\u5149\u7535\u5b50\u5668\u4ef6\u9886\u57df\u7684\u5e94\u7528\u63d0\u4f9b\u4e86\u65b0\u7684\u53ef\u80fd\u3002<\/p>\n

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

\u56fe<\/strong>1 CdZnS\/ZnS CQD\/PMMA (41 wt %)<\/strong>\u7eb3\u7c73\u590d\u5408\u7269\u6db2\u6ef4\u7684\u5e72\u71e5\u8fc7\u7a0b\u53ca\u5fae\u6ce1\u5f62\u6210\u673a\u7406<\/strong><\/p>\n

\"\"<\/p>\n

\uff08<\/strong>a<\/strong>\uff09<\/strong>CdZnS\/ZnS CQD\/PMMA (41 wt %)\u7eb3\u7c73\u590d\u5408\u7269\u6db2\u6ef4\u5e72\u71e5\u8fc7\u7a0b\u7684\u7167\u7247<\/p>\n

\uff08<\/strong>b<\/strong>\uff09<\/strong>CQD\/PMMA\u7eb3\u7c73\u590d\u5408\u7269\u6db2\u6ef4\u5728\u5e72\u71e5\u8fc7\u7a0b\u4e2d\u5f62\u6210\u5fae\u6ce1\u7684\u793a\u610f\u56fe<\/p>\n

\uff08<\/strong>c<\/strong>\uff09<\/strong>\u5728CQD\/PMMA\u7eb3\u7c73\u590d\u5408\u7269\u8584\u819c\u5185\u5f62\u6210\u7684\u5fae\u6ce1\u7684\u7ed3\u6784\u793a\u610f\u56fe<\/p>\n

\u56fe<\/strong>2 <\/strong>\u5fae\u6ce1\u7684\u76f8\u5173\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08<\/strong>a<\/strong>\uff09<\/strong>\u5355\u4e00\u5fae\u6ce1\u57fa\u4e8e\u03bc-PL\u8c31\u7684\u6cf5\u529f\u7387\uff0c\u6b64\u5fae\u6ce1\u76f4\u5f84\u7ea6\u4e3a34\u03bcm<\/p>\n

\uff08<\/strong>b<\/strong>\uff09<\/strong>\u8d85\u8fc7\u5c16\u9510\u5cf0\u9891\u8c31\u8303\u56f4\u7684\u6574\u5408PL\u5f3a\u5ea6\u4e0e\u6cf5\u8109\u51b2\u80fd\u91cf\u95f4\u7684\u5173\u7cfb<\/p>\n

\uff08<\/strong>c<\/strong>\uff09<\/strong>\u5355\u4e2a\u5fae\u6ce1\u6fc0\u5149\u57fa\u4e8e\u52a8\u529b\u5b66\u7684\u6cf5\u529f\u7387<\/p>\n

\u56fe<\/strong>3 <\/strong>\u6fc0\u5149\u6a21\u5f0f\u3001\u6fc0\u5149\u8c31\u3001\u81ea\u7531\u5149\u8c31\u533a\u56fe\u3001\u7535\u573a\u5206\u5e03\u3001\u53d7\u6fc0\u8f90\u5c04\u9608\u503c\u53ca\u6fc0\u5149\u9608\u503c<\/strong><\/p>\n

\"\"<\/p>\n

\uff08<\/strong>a<\/strong>\uff09<\/strong>\u57fa\u4e8eWGM\u6a21\u578b\u7684\u6fc0\u5149\u6a21\u5f0f\u5206\u5e03<\/p>\n

\uff08<\/strong>b<\/strong>\uff09<\/strong>\u5355\u4e2a\u5fae\u6ce1\u6fc0\u5149\u7684\u6fc0\u5149\u8c31\u3002\u4ece\u4e0b\u5230\u4e0a\u76f4\u5f84\u4f9d\u6b21\u7ea6\u4e3a34\u300147\u300161\u300178\u03bcm<\/p>\n

\uff08<\/strong>c<\/strong>\uff09<\/strong>\u81ea\u7531\u5149\u8c31\u533a\u4e0e1\/D\u7684\u5173\u7cfb\u56fe<\/p>\n

\uff08<\/strong>d<\/strong>\uff09<\/strong>\u5fae\u6ce1\u6fc0\u5149\u4e2d\u7684\u7535\u573a\u5206\u5e03<\/p>\n

\uff08<\/strong>e<\/strong>\uff09<\/strong> \u7eafCdZnS\/ZnS CQD\u8584\u819c\u968f\u50a8\u5b58\u65f6\u95f4\u7684\u53d7\u6fc0\u8f90\u5c04\u9608\u503c\u53d8\u5316\u548cCdZnS\/ZnS CQD\/PMMA\u5fae\u6ce1\u6fc0\u5149\u968f\u50a8\u5b58\u65f6\u95f4\u7684\u6fc0\u5149\u9608\u503c\u53d8\u5316<\/p>\n

\u56fe<\/strong>4 CdSe\/CdS CQD<\/strong>\u548c<\/strong>CdSeS\/ZnS CQD<\/strong>\u5206\u522b\u63ba\u6742\u7684\u5355\u4e2a\u5fae\u6ce1\u57fa\u4e8e<\/strong>\u03bc-PL<\/strong>\u8c31\u7684\u6cf5\u529f\u7387<\/strong><\/p>\n

\"\"<\/p>\n

\uff08<\/strong>a<\/strong>\uff09<\/strong>\u53d1\u5c04\u7ea2\u5149\u7684CdSe\/CdS CQD\u63ba\u6742\u5355\u4e2a\u5fae\u6ce1\u57fa\u4e8e\u03bc-PL\u8c31\u7684\u6cf5\u529f\u7387<\/p>\n

\uff08<\/strong>b<\/strong>\uff09<\/strong>\u53d1\u5c04\u7eff\u5149\u7684CdSeS\/ZnS CQD\u63ba\u6742\u5355\u4e2a\u5fae\u6ce1\u57fa\u4e8e\u03bc-PL\u8c31\u7684\u6cf5\u529f\u7387<\/p>\n

\u56fe<\/strong>5 <\/strong>\u57fa\u4e8e\u5355\u4e2a\u5fae\u6ce1\u6fc0\u5149\u7684\u6c34\u84b8\u6c14\u4f20\u611f\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

\uff08<\/strong>a<\/strong>\uff09<\/strong>\u8d1f\u8f7d\u6c34\u84b8\u6c14\u540e\u76f4\u5f84\u7ea6\u4e3a31\u03bcm\u7684\u5fae\u6ce1\u6fc0\u5149\u7684\u6fc0\u5149\u8c31\u53d8\u5316<\/p>\n

\uff08<\/strong>b<\/strong>\uff09<\/strong>\u8d1f\u8f7d\u6c34\u84b8\u6c14\u540e\u6fc0\u5149\u8c31\u968f\u65f6\u95f4\u7684\u53d8\u5316\u6620\u50cf\uff08\u7ea2\u7ebf\u4ee3\u8868\u9ad8\u5f3a\u5ea6\uff09<\/p>\n

\uff08<\/strong>c<\/strong>\uff09<\/strong>\u57fa\u4e8e\u5fae\u6ce1\u6fc0\u5149\u6c34\u84b8\u6c14\u4f20\u611f\u7684\u88c5\u7f6e\u56fe\uff08I\u4e3a\u8f93\u5165\uff0cO\u4e3a\u8f93\u51fa\uff09<\/p>\n

\uff08<\/strong>d<\/strong>\uff09<\/strong>\u5728\u6c34\u84b8\u6c14\u8f93\u5165\/\u8f93\u51fa\u5faa\u73af\u4e0b\u5728473.3nm\u5904\u6fc0\u5149\u5cf0\u7684\u52a8\u6001\u53d8\u5316<\/p>\n

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

\u672c\u6587\u4e2d\u62a5\u9053\u4e86\u4e00\u79cd\u5b9e\u73b0\u65b0\u578bCQD\/PMMA\u57fa\u5fae\u6ce1WGM\u6fc0\u5149\u72ec\u7279\u4e14\u901a\u7528\u7684\u65b9\u6cd5\u3002\u5176\u4e2d\uff0c\u9ad8\u6d53\u5ea6\u7684CQDs\u4e0d\u4ec5\u80fd\u4e3a\u6fc0\u5149\u63d0\u4f9b\u8db3\u591f\u7684\u5149\u5b66\u589e\u76ca\uff0c\u800c\u4e14\u8f85\u52a9\u4e86\u5fae\u6ce1\u7684\u5f62\u6210\u3002\u8fd9\u4e9b\u5fae\u6ce1\u53ef\u4ee5\u76f4\u63a5\u4f5c\u4e3a\u9ad8\u8d28\u91cfWGM\u6fc0\u5149\u8c10\u632f\u8154\u3002\u9274\u4e8e\u5176\u5236\u5907\u65b9\u6cd5\u7b80\u4fbf\u3001\u5bb9\u6613\u91cf\u4ea7\u3001\u5bbd\u9891\u6fc0\u5149\u6ce2\u957f\u53ef\u8c03\u3001\u72ec\u7acb\u4ee5\u53ca\u8d85\u5f3a\u7684\u7a33\u5b9a\u6027\u7684\u7279\u70b9\uff0c\u65b0\u578b\u7684CQD\u5fae\u6ce1\u6fc0\u5149\u5c06\u4f1a\u5728\u5305\u62ec\u6e7f\u5ea6\u4f20\u611f\u548c\u751f\u7269\u63a2\u6d4b\u5728\u5185\u7684\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aRobust Whispering-Gallery-Mode Microbubble Lasers from Colloidal Quantum Dots<\/a><\/strong>\uff08Nano Lett., 2017, DOI: 10.1021\/acs.nanolett.7b00447\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u5927\u57ce\u5c0f\u7231\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

<\/p>\n

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