{"id":204525,"date":"2020-07-02T06:30:10","date_gmt":"2020-07-01T22:30:10","guid":{"rendered":"\/\/m.iemloyee.com\/?p=204525"},"modified":"2020-07-01T20:06:48","modified_gmt":"2020-07-01T12:06:48","slug":"%e3%80%90%e6%8a%95%e7%a8%bf%e3%80%91%e5%8d%8e%e7%a7%91%e5%a4%a7am%ef%bc%9a%e5%85%bc%e5%85%b7%e9%ab%98%e4%ba%ae%e5%ba%a6%e5%92%8c%e6%b0%b4%e7%a8%b3%e5%ae%9a%e6%80%a7%e7%9a%84%e9%9d%9e%e9%93%85%e9%87%91","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=204525","title":{"rendered":"\u534e\u79d1\u5927AM\uff1a\u517c\u5177\u9ad8\u4eae\u5ea6\u548c\u6c34\u7a33\u5b9a\u6027\u7684\u975e\u94c5\u91d1\u5c5e\u5364\u5316\u7269\u56fa\u6eb6\u4f53\u53d1\u5149\u6750\u6599Cs2(Sn,Te)Cl6"},"content":{"rendered":"
\u8fd1\u65e5\uff0c\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u6b66\u6c49\u5149\u7535\u56fd\u5bb6\u7814\u7a76\u4e2d\u5fc3\u5510\u6c5f\u6559\u6388\u8bfe\u9898\u7ec4\u4e0e\u8096\u6cfd\u6587\u6559\u6388\u8bfe\u9898\u7ec4\u5728\u5236\u5907\u5168\u65e0\u673a\u975e\u94c5\u91d1\u5c5e\u5364\u5316\u7269\u53d1\u5149\u6750\u6599\u65b9\u9762\u53d6\u5f97\u91cd\u5927\u7a81\u7834\uff0c\u62a5\u9053\u4e86\u4e00\u79cd\u975e\u94c5\u9499\u949b\u77ff\u578b\u56fa\u6eb6\u4f53Cs2<\/sub>Sn1<\/sub>\u2212<\/sub>x<\/sub>Tex<\/sub>Cl6<\/sub>\u3002\u5f53Sn\/Te\u79bb\u5b50\u4ea4\u6362\u65f6\uff0c\u6676\u683c\u7ed3\u6784\u53d1\u751f\u4e86\u5f3a\u70c8\u7684\u516b\u9762\u4f53Jahn-Teller\u7578\u53d8\u3002Te\u53d1\u5149\u4e2d\u5fc3\u4e0eJahn-Teller\u578b\u81ea\u9677\u6fc0\u5b50\uff08STEs\uff09\u7684\u7ed3\u5408\u4f7f\u8be5\u6750\u6599\u5177\u6709580nm\u7684\u9ec4\u7eff\u8272\u8367\u5149\uff0c\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\uff08PLQY\uff09\u9ad8\u8fbe95.4%\uff0c\u53ef\u5728\u6d78\u5165\u6c34\u4e2d\u7684\u6781\u7aef\u6761\u4ef6\u4fdd\u6301\u53d1\u5149\u6027\u80fd\u3002Cs2<\/sub>Sn1<\/sub>\u2212<\/sub>x<\/sub>Tex<\/sub>Cl6<\/sub>\u4f18\u5f02\u7684\u6027\u80fd\u4f7f\u5176\u5177\u6709\u6c34\u4e0b\u7167\u660e\u5e94\u7528\u7684\u6f5c\u529b\u3002\u8be5\u5de5\u4f5c\u4ee5\u201cLead-Free Perovskite Variant Solid Solutions Cs2<\/sub>Sn1\u2013<\/sub>x<\/i><\/sub><\/em>Tex<\/i><\/sub><\/em>Cl6<\/sub>: Bright Luminescence and High Anti-water Stability\u201d\u4e3a\u9898\u53d1\u8868\u5728Advanced Materials\u4e0a\u3002\u8c2d\u667a\u65b9\u535a\u58eb\u4e3a\u8bba\u6587\u7684\u7b2c\u4e00\u4f5c\u8005\uff0c\u725b\u5e7f\u8fbe\u526f\u7814\u7a76\u5458\u548c\u8096\u6cfd\u6587\u6559\u6388\u4e3a\u672c\u6587\u7684\u5171\u540c\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n 1. \u7814\u7a76\u80cc\u666f<\/strong><\/p>\n \u5bf9\u5730\u7403\u6c34\u4f53\u7684\u63a2\u6d4b\u662f\u4eba\u7c7b\u793e\u4f1a\u6d3b\u52a8\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u56e0\u4e3a\u5b83\u5177\u6709\u6f5c\u5728\u7684\u7ecf\u6d4e\u3001\u8003\u53e4\u548c\u4eba\u7c7b\u5065\u5eb7\u6548\u76ca\u3002\u5728\u63a2\u7d22\u6c34\u4e0b\u4e16\u754c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6c34\u4e0b\u7167\u660e\u548c\u89c6\u89c9\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\u3002\u5b9e\u73b0\u6c34\u4e0b\u7167\u660e\uff0c\u53d1\u5149\u6750\u6599\u5e94\u5177\u6709\u9ad8\u7684\u53d1\u5149\u6548\u7387\u3001\u826f\u597d\u7684\u6297\u6c34\u7a33\u5b9a\u6027\u548c\u8f83\u5f3a\u7684\u900f\u6c34\u6027\uff0c\u4ee5\u83b7\u5f97\u5927\u89c6\u91ce\u3002\u5728\u6d77\u5cb8\u548c\u6cb3\u6c34\u9644\u8fd1\uff0c\u900f\u8fc7\u7387\u66f2\u7ebf\u7684\u5cf0\u503c\u5728580\u00a0nm\u5de6\u53f3\uff0c\u5373\u9ec4\u7eff\u8272\u5149\uff0c\u56e0\u4e3a\u6d6e\u6e38\u690d\u7269\u7684\u53f6\u7eff\u7d20\u5bf9\u7ea2\u8272\uff08620\u2212700 nm\uff09\u3001\u84dd\u8272\uff08450\u2212500 nm\uff09\u548c\u7d2b\u5916\u5149\uff08380\u2212450 nm\uff09\u5177\u6709\u8f83\u5f3a\u7684\u5438\u6536\u80fd\u529b\u3002\u56e0\u6b64\uff0c\u7814\u5236\u4e00\u79cd\u6297\u6c34\u7a33\u5b9a\u6027\u597d\u3001\u53d1\u5149\u6548\u7387\u9ad8\u7684\u9ec4\u7eff\u8272\u53d1\u5149\u6750\u6599\uff0c\u5bf9\u4e8e\u8fd1\u6d77\u6216\u6cb3\u6d41\u6c34\u57df\u7684\u7814\u7a76\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u8fd1\u5e74\u6765\uff0c\u5177\u6709ABX3<\/sub>\u7ed3\u6784\u7684\u5364\u5316\u94c5\u9499\u949b\u77ff\u7531\u4e8e\u5176\u4f18\u5f02\u7684\u5149\u81f4\u53d1\u5149\u6027\u80fd\uff0c\u5305\u62ec\u9ad8\u7684\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\uff08PLQY\uff0c70\u2212100%\uff09\uff0c\u7a84\u7684\u534a\u5cf0\u5168\u5bbd\uff08FWHM\uff0c15\u221242nm\uff09\uff0c\u5bbd\u8272\u57df\uff08~150%NTS\uff09\u548c\u53ef\u8c03\u5e26\u9699\uff0c\u5728\u53d1\u5149\u5e94\u7528\u9886\u57df\u663e\u793a\u51fa\u4e86\u5de8\u5927\u7684\u7ade\u4e89\u529b\u3002\u5728\u8fc7\u53bb\u516d\u5e74\u4e2d\uff0c\u5364\u5316\u94c5\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LED\uff09\u7684\u5916\u90e8\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\u5feb\u901f\u589e\u957f\uff08\u8fbe\u523020%\uff09\u3002\u5c3d\u7ba1\u516c\u8ba4\u7684\u5177\u6709\u4f18\u5f02\u7684\u5149\u7535\u6027\u80fd\uff0c\u5b83\u4eec\u7684\u94c5\u7ec4\u5206\u7a33\u5b9a\u6027\u5dee\uff0c\u6bd2\u6027\u5927\u9650\u5236\u4e86\u5176\u8fdb\u4e00\u6b65\u7684\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u63a2\u7d22\u57fa\u4e8e\u975e\u94c5\u9499\u949b\u77ff\u7684\u7a33\u5b9a\u9ad8\u53d1\u5149\u6750\u6599\u5f15\u8d77\u4e86\u4eba\u4eec\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002<\/p>\n \u76ee\u524d\uff0c\u901a\u8fc7\u53d6\u4ee3Pb\uff08II\uff09\u5236\u5907\u65e0\u94c5\u9499\u949b\u77ff\u7684\u65b9\u6cd5\u6709\u7b49\u4ef7\u53d6\u4ee3\u3001\u5f02\u4ef7\u53d6\u4ee3\u3001\u5355\u4ef7\/\u4e09\u4ef7\u5171\u53d6\u4ee3\u548c\u56db\u4ef7\/\u7a7a\u4f4d\u5171\u53d6\u4ee3\u7b49\u65b9\u6cd5\u3002\u7531\u56db\u4ef7\u5143\u7d20\u4e0e\u7a7a\u4f4d\u7ed3\u5408\u5f62\u6210\u7684\u7a7a\u4f4d\u6709\u5e8f\u53cc\u9499\u949b\u77ff\u5177\u6709\u826f\u597d\u7684\u7a33\u5b9a\u6027\u548c\u5408\u9002\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\uff0c\u5df2\u6210\u4e3a\u4e00\u79cd\u6781\u5177\u53d1\u5c55\u524d\u666f\u7684\u5149\u7535\u6750\u6599\u3002\u4f8b\u5982\uff0c\u5728Bi3+<\/sup>\u6216Sb3+<\/sup>\u63ba\u6742\u4e0b\uff0cCs2<\/sub>SnCl6<\/sub>\u53ef\u4ee5\u83b7\u5f97\u7a33\u5b9a\u7684\u660e\u4eae\u53d1\u5c04\uff0c\u5e76\u4e14\u5177\u6709\u826f\u597d\u7684\u6297\u6c34\u7a33\u5b9a\u6027\u3002\u4f46\u662f\uff0c\u84dd\u8272\u6216\u6a59\u8272\u53d1\u5c04\uff08455\u6216600nm\uff09\u5728\u6c34\u4e2d\u4e0d\u80fd\u5f88\u597d\u5730\u7a7f\u900f\u3002\u56e0\u6b64\uff0c\u57fa\u4e8e\u8fd9\u79cd\u7ed3\u6784\uff0c\u63a2\u7d22\u4e00\u79cd\u5177\u6709\u9ad8\u7a7f\u900f\u6027\u7684\u9ec4\u7eff\u8272\u53d1\u5c04\u4f53\u5177\u6709\u91cd\u8981\u7684\u79d1\u5b66\u610f\u4e49\u3002\u6070\u5de7\uff0cTe4+<\/sup>\u88ab\u53d1\u73b0\u662f\u4e00\u79cd\u5177\u6709\u9ec4\u7eff\u8272\u53d1\u5149\u4e2d\u5fc3\u7684\u79bb\u5b50\uff0c\u800c\u4e14\uff0c\u5b83\u7684\u56db\u4ef7\u4fbf\u4e8e\u7b49\u4ef7\u7f6e\u6362\uff0c\u4ece\u800c\u5f62\u6210\u56fa\u6eb6\u4f53\u6750\u6599\uff0c\u53ef\u4ee5\u8be6\u7ec6\u7814\u7a76\u6027\u80fd\u4e0e\u7ed3\u6784\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n \u5728\u8fd9\u9879\u5de5\u4f5c\u4e2d\uff0c\u6211\u4eec\u9009\u62e9Cs2<\/sub>Sn1\u2013x<\/sub>Tex<\/sub>Cl6<\/sub>\u6765\u5f62\u6210\u4e00\u79cd\u65e0\u94c5\u3001\u7a33\u5b9a\u3001\u9ad8\u6548\u7684\u5149\u81f4\u53d1\u5149\u6750\u6599\u3002\u5408\u6210\u7684\u56fa\u6eb6\u4f53\u6750\u6599\u4fdd\u6301\u4e86Cs2<\/sub>BCl6<\/sub>\u7684\u7a7a\u4f4d\u6709\u5e8f\u6676\u4f53\u7ed3\u6784\u3002\u5c3d\u7ba1Te4+<\/sup>\u548cSn4+<\/sup>\u79bb\u5b50\u7684\u5927\u5c0f\u4e0d\u540c\uff0c\u4f46\u7531\u4e8e\u8f83\u5927\u7684Te4+<\/sup>\u79bb\u5b50\u901a\u8fc7\u5728\u516b\u9762\u4f53\u4e4b\u95f4\u7684\u7a7a\u9699\u4e2d\u81a8\u80c0[BCl6<\/sub>]2-<\/sup>\u800c\u7a33\u5b9a\u5728\u6676\u4f53\u7ed3\u6784\u4e2d\uff0c\u56e0\u6b64\u6240\u6709\u7684\u6837\u54c1\u90fd\u80fd\u4fdd\u6301\u539f\u6709\u7ed3\u6784\u3002\u5728\u81a8\u80c0\u8fc7\u7a0b\u4e2d\u5f62\u6210\u4e86\u6709\u5229\u4e8e\u63d0\u9ad8\u5149\u53d1\u5c04\u6027\u80fd\u7684Jahn-Teller\u626d\u66f2\u3002\u56e0\u6b64\uff0c\u5f53Te4+<\/sup>\u53d6\u4ee311%\u65f6\uff0c\u5149\u81f4\u53d1\u5149\u5f97\u5230\u663e\u8457\u6539\u5584\uff08\u53d1\u5c04\u5cf0\uff1a580nm\uff0cPLQY:95.4%\uff09\u3002\u8fd9\u662f\u6240\u6709\u9499\u949b\u77ff\u4e2d\u5df2\u77e5\u62a5\u9053\u7684\u6700\u9ad8PLQY\u4e4b\u4e00\u3002\u4e0eCs2<\/sub>SnCl6<\/sub>\uff083.9\u00a0eV\uff09\u76f8\u6bd4\uff0cCs2<\/sub>Sn1\u2013x<\/sub>Tex<\/sub>Cl6<\/sub>\u7684\u5e26\u9699\u660e\u663e\u51cf\u5c0f\u52303.4\u00a0eV\u3002\u7eaf\u65e0\u673a\u6210\u5206\u548cSn4+<\/sup>\u6216Te4+<\/sup>\u7a33\u5b9a\u7684\u6c27\u5316\u72b6\u6001\u4fdd\u8bc1\u4e86\u826f\u597d\u7684\u70ed\u7a33\u5b9a\u6027\u3002\u6b64\u5916\uff0c\u6837\u54c1\u53ef\u4ee5\u4e0d\u9700\u8981\u4efb\u4f55\u9884\u5904\u7406\u800c\u627f\u53d7\u6781\u7aef\u7684\u6c34\u6d78\u6761\u4ef6\uff0c\u5e76\u4fdd\u6301\u660e\u4eae\u7684\u53d1\u5149\u3002\u6c34\u7a33\u5b9a\u6027\u7684\u539f\u56e0\u53ef\u80fd\u662f\u5728\u6c34\u5316\u8fc7\u7a0b\u4e2d\u5f62\u6210\u4e86\u6709\u9650\u7684\u975e\u6676\u8680\u53d8\u76f8\u3002\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u8868\u660e\uff0c\u5728\u6c34\/Cs2<\/sub>SnCl6<\/sub>\uff08111\uff09\u754c\u9762\u4e0a\u672a\u89c2\u5bdf\u5230\u4efb\u4f55\u53cd\u5e94\uff0cCs2<\/sub>SnCl6<\/sub>\u8868\u9762\u4fdd\u6301\u4e86\u539f\u6709\u7684\u7ed3\u6784\uff0c\u8bf4\u660eCs2<\/sub>SnCl6<\/sub>\u5bf9\u6c34\u662f\u7a33\u5b9a\u7684\u3002\u7efc\u4e0a\u6240\u8ff0\uff0cCs2<\/sub>Sn1\u2013x<\/sub>Tex<\/sub>Cl6<\/sub>\u4f5c\u4e3a\u6c34\u4e0b\u7167\u660e\u9ec4\u7eff\u8272\u8367\u5149\u7c89\u663e\u793a\u51fa\u5de8\u5927\u7684\u6f5c\u529b\u3002<\/p>\n