{"id":202238,"date":"2020-05-22T06:12:38","date_gmt":"2020-05-21T22:12:38","guid":{"rendered":"\/\/m.iemloyee.com\/?p=202238"},"modified":"2020-05-21T21:12:50","modified_gmt":"2020-05-21T13:12:50","slug":"%e5%a4%aa%e5%8e%9f%e7%90%86%e5%b7%a5materials-today-chemistry%ef%bc%9a%e9%a2%a0%e8%a6%86%e6%80%a7%e4%bd%8e%e6%b8%a9%e5%9b%ba%e7%9b%b8%e6%b3%95%e5%a4%a7%e6%89%b9%e9%87%8f%e5%bf%ab%e9%80%9f%e5%90%88","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=202238","title":{"rendered":"\u592a\u539f\u7406\u5de5Materials Today Chemistry\uff1a\u98a0\u8986\u6027\u4f4e\u6e29\u56fa\u76f8\u6cd5\u5927\u6279\u91cf\u5feb\u901f\u5408\u6210Cs3Cu2I5\u9499\u949b\u77ff\u6750\u6599"},"content":{"rendered":"
\u3010\u524d\u8a00\u3011<\/strong><\/p>\n \u7167\u660e\u4e0e\u663e\u793a\u5668\u4ef6\u6700\u6838\u5fc3\u7684\u90e8\u4ef6\u662f\u5149\u8272\u8f6c\u6362\u6750\u6599\u3002\u9499\u949b\u77ff\u53d1\u5149\u6750\u6599\u56e0\u5176\u4f18\u8d8a\u7684\u5149\u7535\u7279\u6027\u800c\u88ab\u8a89\u4e3a\u65b0\u4e00\u4ee3\u660e\u661f\u6750\u6599\uff0c\u5728\u592a\u9633\u80fd\u7535\u6c60\u3001\u53d1\u5149\u4e8c\u6781\u7ba1\uff08\u767d\u5149LED\uff09\u3001\u6fc0\u5149\u5668\u3001\u63a2\u6d4b\u5668\u7b49\u591a\u4e2a\u9886\u57df\u5f97\u5230\u91cd\u8981\u5e94\u7528\u3002\u7eaf\u65e0\u673a\u9499\u949b\u77ff\u6750\u6599CsPbX3<\/sub>\u00a0(X = Cl, Br, I)\u62e5\u6709\u975e\u5e38\u9ad8\u7684\u53d1\u5149\u91cf\u5b50\u6548\u7387\uff0c\u4f46\u6bd2\u6027\u4e0e\u7a33\u5b9a\u6027\u95ee\u9898\u9650\u5236\u4e86\u5176\u5546\u7528\u5316\u3002\u65e0\u94c5\u5168\u65e0\u673a\u5364\u5316\u7269\u9499\u949b\u77ff\u53d1\u5149\u6750\u6599\u5728\u8fd1\u5e74\u6765\u83b7\u5f97\u4e86\u7814\u7a76\u4eba\u5458\u7684\u5e7f\u6cdb\u5173\u6ce8\uff0c\u7279\u522b\u662f\u4f4e\u7ef4\u94dc\u57fa\u5364\u5316\u7269\uff08\u5982\uff1aRb2<\/sub>CuBr3<\/sub>\uff1bCs3<\/sub>Cu2<\/sub>I5<\/sub>\uff1bCsCu2<\/sub>Cl3<\/sub>\uff1bCsCuBr2<\/sub>\uff09\u7531\u4e8e\u91cf\u5b50\u9650\u57df\u6548\u5e94\u800c\u5177\u6709\u4f18\u5f02\u7684\u53d1\u5149\u6027\u80fd\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u4f4e\u6210\u672c\u5927\u91cf\u5408\u6210\u5bf9\u5364\u5316\u7269\u9499\u949b\u77ff\u53d1\u5149\u6750\u6599\u7684\u63a8\u5e7f\u5e94\u7528\u975e\u5e38\u5173\u952e\uff0c\u4f46\u76ee\u524d\u62a5\u9053\u7684\u5236\u5907\u65b9\u6cd5\u51e0\u4e4e\u57fa\u4e8e\u5316\u5b66\u6eb6\u6db2\u6cd5\uff0c\u8d39\u65f6\u8d39\u529b\u4e14\u53ef\u63a7\u6027\u5dee\uff0c\u5bfc\u81f4\u4ea7\u91cf\u4f4e\u4e14\u6210\u672c\u9ad8\uff1b\u53e6\u5916\u6240\u7528\u6eb6\u5242\u7684\u6bd2\u6027\u4e5f\u5e26\u6765\u5065\u5eb7\u5b89\u5168\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u63a2\u7d22\u91d1\u5c5e\u5364\u5316\u7269\u53d1\u5149\u6750\u6599\u7684\u7b80\u5355\u53ef\u63a7\u5408\u6210\u5bf9\u5176\u672a\u6765\u7684\u5b9e\u9645\u5e94\u7528\u5177\u6709\u91cd\u5927\u610f\u4e49\uff0c\u800c\u8fd9\u662f\u6781\u5177\u6311\u6218\u6027\u7684\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u592a\u539f\u7406\u5de5\u5927\u5b66\u9ec4\u5c0f\u52c7\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u8bfe\u9898\u7ec4\u62a5\u9053\u4e86\u4e00\u79cd\u6279\u91cf\u5236\u5907\u96f6\u7ef4<\/strong>(0D) Cs3<\/sub>Cu2<\/sub>I5<\/sub><\/strong>\u5168\u65e0\u673a\u9499\u949b\u77ff\u6750\u6599\u7684\u7b80\u5355\u5feb\u901f\u56fa\u76f8\u5408\u6210\u65b9\u6cd5\uff1a\u5c06\u4e00\u5b9a\u91cf\u7684<\/strong>CsI<\/strong>\u4e0e<\/strong>CuI<\/strong>\u539f\u6750\u6599\u6309\u7167\u5316\u5b66\u8ba1\u91cf\u6bd4\u6df7\u5408\u5747\u5300\uff0c\u7136\u540e\u88c5\u5165\u6c27\u5316\u94dd\u5769\u57da\u4e2d\uff0c\u653e\u7f6e\u5728\u9a6c\u5f17\u7089\u4e2d\u7528<\/strong>350<\/strong>\u5ea6\u7684\u6e29\u5ea6\u7145\u70e7<\/strong>6<\/strong>\u5c0f\u65f6\uff0c\u5373\u53ef\u5236\u5907\u51fa\u7eaf\u76f8\u7684<\/strong>Cs3<\/sub>Cu2<\/sub>I5<\/sub><\/strong>\u84dd\u8272\u8367\u5149\u7c89\u3002<\/strong>\u8be5\u5236\u5907\u65b9\u6cd5\u5177\u6709\u5de5\u827a\u7b80\u5355\u3001\u3001\u73af\u4fdd\u8282\u80fd\u3001\u6210\u672c\u4f4e\u7b49\u4f18\u70b9\uff0c\u6709\u52a9\u4e8e\u63a8\u5e7f\u9499\u949b\u77ff\u53d1\u5149\u6750\u6599\u7684\u5546\u4e1a\u5229\u7528\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u8be5\u8367\u5149\u7c89\u5728250-350 nm \u6ce2\u6bb5\u5185\u6709\u5f3a\u5438\u6536(\u6fc0\u53d1\u5cf0313 nm)\uff0c\u5e76\u80fd\u53d1\u5c04\u51fa\u660e\u4eae\u7684\u84dd\u5149(\u53d1\u5c04\u5cf0445 nm\uff0c\u5e26\u5bbd81 nm)\uff0c\u5176\u8272\u7eaf\u548c\u8367\u5149\u91cf\u5b50\u6548\u7387\u5206\u522b\u9ad8\u8fbe84.8%\u548c80%\u3002\u53d8\u6e29\u5149\u8c31\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0cCs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u5177\u6709\u8f83\u9ad8\u7684\u6d3b\u5316\u80fd(Ea = 0.477 eV)\uff0c\u6bd4\u9499\u949b\u77ffCsPbBr3 (0.044 eV)\u9ad8\u5f88\u591a\uff0c\u56e0\u6b64\u5176\u70ed\u7a33\u5b9a\u6027\u66f4\u597d\u3002\u6b64\u5916\uff0cCs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u5728\u7a7a\u6c14\u4e2d\u5ba4\u6e29\u6761\u4ef6\u4e0b\u5177\u6709\u5f88\u597d\u7684\u7a33\u5b9a\u6027\uff0c\u653e\u7f6e30\u5929\u540e\uff0cXRD\u4e0e\u53d1\u5149\u5149\u8c31\u51e0\u4e4e\u4e0d\u53d8\uff0c\u53d1\u5149\u91cf\u5b50\u6548\u7387\u4ecd\u9ad8\u8fbe72%\uff08\u662f\u65b0\u9c9c\u6837\u54c1\u521d\u59cb\u503c\u768490%\uff09\u3002\u6700\u540e\uff0c\u5c06Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u4e0e\u5546\u7528\u200b\u200b\u7eff\u8272(Ba,Sr)2<\/sub>SiO4<\/sub>:Eu2+<\/sup>\u8367\u5149\u7c89\u4ee5\u53ca\u200b\u200b\u7ea2\u8272CaAlSiN3<\/sub>:Eu2+<\/sup>\u8367\u5149\u7c89\u7684\u6df7\u5408\u7269\u6d82\u8986\u5728310 nm \u7d2b\u5916LED\u82af\u7247\u4e0a\uff0c\u5236\u5907\u4e86\u767d\u5149LED\u5668\u4ef6\u3002\u8be5LED\u5668\u4ef6\u572820 mA\u7535\u6d41\u7684\u9a71\u52a8\u4e0b\u53d1\u5c04\u51fa\u63a5\u8fd1\u81ea\u7136\u5149\u7684\u767d\u5149\uff0c\u5176\u8272\u6e29CCT\u4e3a5075 K\uff0c\u8272\u5750\u6807\u4e3a(0.3430, 0.3491)\uff0c\u663e\u8272\u6307\u6570Ra\u9ad8\u8fbe90.2\uff0c\u9971\u548c\u7ea2\u8272\u7684\u7279\u6b8a\u663e\u8272\u6307\u6570R9\u9ad8\u8fbe82.4\uff0c\u6709\u671b\u7528\u4e8e\u9ad8\u7aef\u5ba4\u5185\u573a\u6240\u7167\u660e\u4e0e\u690d\u7269\u7167\u660e\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cFacile low-temperature solid-state synthesis of efficient blue-emitting Cs3<\/sub>Cu2<\/sub>I5<\/sub> powder phosphors for solid-state lighting<\/strong>\u201d\u53d1\u8868\u5728\u56fd\u9645\u5b66\u672f\u671f\u520aMaterials Today Chemistry<\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u3001Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u6676\u76f8\u7ec4\u6210\u3001\u5f62\u8c8c\u4e0e\u6676\u4f53\u7ed3\u6784<\/p>\n (a) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684XRD\u56fe\u8c31\u3002<\/p>\n (b) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684XRD\u7cbe\u4fee\u56fe\u8c31\u3002<\/p>\n (c) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u6676\u4f53\u7ed3\u6784\u56fe\u3002<\/p>\n (d) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684SEM\u56fe\u3002<\/p>\n (e) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u5143\u7d20mapping\u56fe\u3002<\/p>\n (f) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684EDS\u56fe\u3002<\/p>\n \u56fe\u4e8c\u3001<\/strong>Cs3<\/sub>Cu2<\/sub>I5<\/sub><\/strong>\u84dd\u8272<\/strong>\u8367\u5149\u7c89\u7684\u53d1\u5149\u6027\u80fd<\/strong><\/p>\n (a) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u6fc0\u53d1\u548c\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n (b) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u8272\u5ea6\u5750\u6807\u56fe\u3002<\/p>\n (c) \u4e0d\u540c\u6fc0\u53d1\u6ce2\u957f\u4e0b\u7684Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n (d) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u91cf\u5b50\u6548\u7387\u56fe\u3002<\/p>\n (e) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u8367\u5149\u8870\u51cf\u66f2\u7ebf\u56fe\u3002<\/p>\n (f) Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u53d1\u5149\u673a\u7406\u56fe\u3002<\/p>\n \u56fe\u4e09\u3001<\/strong>Cs3<\/sub>Cu2<\/sub>I5<\/sub><\/strong>\u84dd\u8272<\/strong>\u8367\u5149\u7c89\u7684\u70ed\u7a33\u5b9a\u6027\u4e0e\u7a7a\u6c14\u7a33\u5b9a\u6027<\/strong><\/p>\n (a)\u4e0d\u540c\u6e29\u5ea6\u4e0bCs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n (b)\u4e0d\u540c\u6e29\u5ea6\u4e0bCs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u76f8\u5bf9\u53d1\u5149\u5f3a\u5ea6\u3002<\/p>\n (c)Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u6d3b\u5316\u80fd\u56fe\u3002<\/p>\n (d)Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u8367\u5149\u7c89\u5728\u7a7a\u6c14\u4e2d\u653e\u7f6e30\u5929\u540e\u7684XRD\u56fe\u3002<\/p>\n (e)Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u8367\u5149\u7c89\u5728\u7a7a\u6c14\u4e2d\u653e\u7f6e30\u5929\u540e\u7684\u53d1\u5c04\u5149\u8c31\u56fe\u3002<\/p>\n (f)Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u8367\u5149\u7c89\u5728\u7a7a\u6c14\u4e2d\u653e\u7f6e30\u5929\u540e\u7684\u91cf\u5b50\u6548\u7387\u56fe<\/p>\n \u56fe\u56db\u3001\u767d\u5149<\/strong>LED<\/strong>\u5668\u4ef6\u5149\u7535\u6027\u80fd<\/strong><\/p>\n (a)\u5236\u5907\u7684\u767d\u5149LED\u5668\u4ef6\u7684\u53d1\u5149\u5149\u8c31\u56fe\u3002<\/p>\n (b)\u767d\u5149LED\u5668\u4ef6\u7684\u8272\u5ea6\u5750\u6807\u56fe\u3002<\/p>\n \u5c0f\u7ed3<\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u8be5\u8bfe\u9898\u7ec4\u62a5\u9053\u4e86\u4e00\u79cd\u53ef\u4ee5\u5927\u6279\u91cf\u5feb\u901f\u5236\u5907Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u7684\u7eff\u8272\u5408\u6210\u65b9\u6cd5\u3002\u5229\u7528\u4f4e\u6e29\u56fa\u76f8\u6cd5\uff0cCs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u53d1\u51fa\u9ad8\u6548\u7684\u84dd\u5149\uff0c\u5176\u91cf\u5b50\u6548\u7387\u9ad8\u8fbe80%\u3002\u5e76\u4e14\uff0c\u8be5Cs3<\/sub>Cu2<\/sub>I5<\/sub>\u84dd\u8272\u8367\u5149\u7c89\u5177\u6709\u826f\u597d\u7684\u7a7a\u6c14\u7a33\u5b9a\u6027\uff0c\u5728\u7a7a\u6c14\u4e2d\u653e\u7f6e30\u5929\u540e\uff0c\u5149\u8c31\u51e0\u4e4e\u4e0d\u53d8\uff0c\u91cf\u5b50\u6548\u7387\u4ecd\u4fdd\u6301\u6700\u521d\u6570\u503c\u768490%\u3002\u5236\u5907\u7684\u767d\u5149LED\u5668\u4ef6\u5177\u6709\u9ad8\u663e\u8272\u6027\uff08Ra = 90.2\uff0cR9 = 82.4\uff09\uff0c\u5176\u8272\u6e29\u63a5\u8fd1\u81ea\u7136\u5149\uff0c\u8fd9\u4e9b\u767d\u5149LED\u5668\u4ef6\u6709\u671b\u7528\u4e8e\u9152\u5e97\u3001\u670d\u88c5\u5e97\u3001\u5546\u8d85\u3001\u9ad8\u7aef\u5bb6\u5c45\u7b49\u9886\u57df\u3002\u8be5\u7814\u7a76\u4e3a\u4f4e\u6210\u672c\u5b8f\u91cf\u5236\u5907\u65b0\u578b\u5364\u5316\u7269\u53d1\u5149\u6750\u6599\u63d0\u4f9b\u4e86\u4e00\u79cd\u98a0\u8986\u6027\u65b0\u65b9\u6cd5\uff0c\u5e76\u52a0\u5feb\u63a8\u52a8\u5364\u5316\u7269\u53d1\u5149\u6750\u6599\u5728\u7167\u660e\u663e\u793a\u9886\u57df\u7684\u5546\u7528\u5316\u3002<\/p>\n<\/p>\n
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