{"id":142336,"date":"2018-06-14T06:30:24","date_gmt":"2018-06-13T22:30:24","guid":{"rendered":"\/\/m.iemloyee.com\/?p=142336"},"modified":"2018-06-13T12:08:39","modified_gmt":"2018-06-13T04:08:39","slug":"%e5%8d%97%e5%bc%80%e5%a4%a7%e5%ad%a6joule%ef%bc%9a%e5%87%86%e4%ba%8c%e7%bb%b4%e6%97%a0%e6%9c%ba%e9%92%99%e9%92%9b%e7%9f%bf%e6%9e%84%e7%ad%91%e9%ab%98%e6%95%88%e7%a8%b3%e5%ae%9a%e5%a4%aa%e9%98%b3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=142336","title":{"rendered":"\u5357\u5f00\u5927\u5b66Joule\uff1a\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u77ff\u6784\u7b51\u9ad8\u6548\u7a33\u5b9a\u592a\u9633\u80fd\u7535\u6c60"},"content":{"rendered":"

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

\u76f8\u5bf9\u4e8e\u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\uff0c\u5168\u65e0\u673a\u9499\u949b\u77ff(\u5982CsPbX3<\/sub>)\u5177\u6709\u4f18\u5f02\u7684\u8f7d\u6d41\u5b50\u4f20\u8f93\u7279\u6027\u7684\u540c\u65f6\uff0c\u8fd8\u5177\u6709\u8f83\u9ad8\u7684\u6e7f\u70ed\u7a33\u5b9a\u6027\uff0c\u56e0\u6b64\u53d7\u5230\u7814\u7a76\u8005\u7684\u5e7f\u6cdb\u7814\u7a76\u3002\u7136\u800c\uff0c\u76ee\u524d\u6eb6\u6db2\u6cd5\u5236\u5907\u7684\u94ef\u57fa\u65e0\u673a\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u4ecd\u7136\u8fdc\u8fdc\u4f4e\u4e8e\u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u3002\u5176\u4e2d\u4e00\u4e2a\u4e3b\u8981\u539f\u56e0\u662f\uff0c\u7531\u4e8e\u5364\u5316\u94ef(CsX)\u548c\u5364\u5316\u94c5(PbX2<\/sub>)\u5728\u6781\u6027\u6eb6\u5242\u4e2d(\u5982DMF)\u7684\u6eb6\u89e3\u5ea6\u8f83\u4f4e\uff0c\u5bfc\u81f4\u5176\u5236\u5907\u7684\u9499\u949b\u77ff\u8584\u819c\u539a\u5ea6\u5927\u90e8\u5206\u5747\u5728200 nm\u4ee5\u4e0b\uff0c\u800c\u8fd9\u4e2a\u539a\u5ea6\u8fdc\u4f4e\u4e8e\u9ad8\u6548\u65e0\u673a\u9499\u949b\u77ff\u592a\u9633\u7535\u6c60\u7684\u8584\u819c\u539a\u5ea6\u6700\u4f73\u503c(400~600 nm)\uff0c\u56e0\u6b64\u7a81\u7834\u4f20\u7edf\u7684\u6eb6\u89e3\u6027\u95ee\u9898\u83b7\u5f97\u9ad8\u5438\u5149\u6027\u7684\u9499\u949b\u77ff\u8584\u819c\u662f\u5176\u4e2d\u4e00\u4e2a\u5de8\u5927\u6311\u6218\u3002\u6b64\u5916\uff0c\u5438\u5149\u7387\u9ad8\u7684\u7a84\u5e26\u9699\u7acb\u65b9\u76f8\u5bcc\u7898\u5364\u5316\u94ef\u94c5\u9499\u949b\u77ff\u5728\u5e38\u6e29\u4e0b\u6240\u9762\u4e34\u7684\u70ed\u529b\u5b66\u4e0d\u7a33\u5b9a\u6027\u95ee\u9898\uff0c\u4e5f\u5f88\u5927\u7a0b\u5ea6\u9650\u5236\u4e86\u94ef\u57fa\u65e0\u673a\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u53d1\u5c55\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u6291\u5236\u7acb\u65b9\u76f8\u7684\u65e0\u673a\u94c5\u9499\u949b\u77ff\u5728\u5e38\u6e29\u4e0b\u6240\u53d1\u751f\u7684\u81ea\u53d1\u76f8\u8f6c\u5316\u53c8\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u6311\u6218\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5357\u5f00\u5927\u5b66\u8881\u660e\u9274\u7814\u7a76\u5458\u7b49\u4eba\u5728<\/strong>Joule<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a\u201c<\/strong>Reduced-Dimensional <\/strong>\u03b1<\/strong>-CsPbX3<\/sub> Perovskites for Efficient and Stable Photovoltaics<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u8be5\u7814\u7a76\u901a\u8fc7\u4e00\u79cd\u5168\u65b0\u7684\u524d\u9a71\u6db2\u7ec4\u5408(\u4e59\u9178\u94ef(CsAc)\u548c\u4e09\u5364\u6c22\u94c5(HPbX3<\/sub>))\u514b\u670d\u4e86\u4ee5\u5f80\u524d\u9a71\u4f53\u6eb6\u89e3\u5ea6\u6781\u4f4e\u7684\u95ee\u9898\uff0c\u8fdb\u800c\u6210\u529f\u5236\u5907\u51fa\u539a\u5ea6\u4e3a500 nm\u7684\u9ad8\u8d28\u91cf\u94ef\u57fa\u65e0\u673a\u9499\u949b\u77ff\u8584\u819c\u3002\u6b64\u5916\uff0c\u4f5c\u8005\u5728\u8be5\u6eb6\u6db2\u4f53\u7cfb\u4e2d\u8fdb\u4e00\u6b65\u5f15\u8fdb\u4e86\u82ef\u4e59\u57fa\u7898\u5316\u94f5(phenylethylammonium iodide, PEAI)\u53ef\u4ee5\u6709\u6548\u5730\u6784\u7b51\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u8584\u819c\u3002\u8be5\u6cd5\u53ef\u6709\u6548\u5730\u6291\u5236\u5e38\u6e29\u4e0b\u7acb\u65b9\u76f8\u9499\u949b\u77ff\u5411\u9ec4\u76f8(yellow phase)\u7684\u81ea\u53d1\u76f8\u8f6c\u53d8\uff0c\u5e76\u4e14\u5927\u5927\u5730\u964d\u4f4e\u4e86\u8584\u819c\u7684\u7f3a\u9677\u6001\u5bc6\u5ea6\u3002\u6309\u7167\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u4f5c\u8005\u6210\u529f\u5730\u5236\u5907\u51fa\u81f3\u4eca\u4e3a\u6b62\u6548\u7387\u6700\u9ad8\u7684\u65e0\u673a\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60(12.4%)\uff0c\u5e76\u4e14\u5177\u6709\u4f18\u5f02\u7684\u73af\u5883\u7a33\u5b9a\u6027\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe<\/strong>1<\/strong>\uff1a\u5168\u65e0\u673a\u9499\u949b\u77ff\u5364\u5316\u94ef\u94c5\uff08<\/strong>CsPbX3<\/sub><\/strong>\uff09\u7684\u76f8\u5173\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a). \u4e0d\u540c\u5364\u7d20\u914d\u6bd4\u7684\u65e0\u673a\u9499\u949b\u77ff\u8584\u819c\u5438\u6536\u5149\u8c31\uff1b<\/p>\n

(b). \u4e0d\u540c\u5364\u7d20\u914d\u6bd4\u7684\u65e0\u673a\u9499\u949b\u77ff\u8584\u819c\u7684\u5149\u5b66\u5e26\u9699\u968f\u4e0d\u540c\u5364\u7d20\u542b\u91cf\u7684\u53d8\u5316\u66f2\u7ebf\uff1b<\/p>\n

(c). \u65e0\u673a\u9499\u949b\u77ffCsPbI3<\/sub>, CsPbI2<\/sub>Br, CsPbIBr2<\/sub>, CsPbBr3<\/sub>\u9499\u949b\u77ff\u8584\u819c\u5bf9\u5e94\u7684XRD\uff1b<\/p>\n

(d). \u5927\u9762\u79ef9\u00d79 cm2<\/sup>\u65e0\u673a\u9499\u949b\u77ff\u8584\u819c\u7684\u6570\u7801\u7167\u7247;<\/p>\n

(e). CsPbIBr2<\/sub>\u9499\u949b\u77ff\u8584\u819c\u7684SEM\u56fe\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a\u5364\u5316\u94ef\u94c5\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u5149\u4f0f\u7279\u6027<\/strong><\/p>\n

\"\"<\/p>\n

(a). \u57fa\u4e8eCsPbI3<\/sub>, CsPbI2<\/sub>Br, CsPbIBr2<\/sub>, CsPbBr3<\/sub>\u8584\u819c\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684J-V<\/em>\u66f2\u7ebf\uff1b<\/p>\n

(b). \u57fa\u4e8e\u4e0d\u540c\u5364\u7d20\u914d\u6bd4\u65e0\u673a\u9499\u949b\u77ff\u8584\u819c\u592a\u9633\u80fd\u7535\u6c60\u76f8\u5e94\u7684EQE\u66f2\u7ebf\uff1b<\/p>\n

(c). \u76f8\u5e94\u9499\u949b\u77ff\u8584\u819c\u7ec4\u88c5\u592a\u9633\u80fd\u7535\u6c60\u5728\u7a7a\u6c14\u4e2d\u7684\u8001\u5316\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a\u51c6\u4e8c\u7ef4\u9499\u949b\u77ff\u8584\u819c\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a). \u4e0d\u540c<n><\/em>\u503c\u65e0\u673a\u51c6\u4e8c\u7ef4\u9499\u949b\u77ff\u4ee5\u53ca\u76f8\u5e94\u76f8\u5bf9\u5206\u89e3\u80fd\u91cf\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(b). PEA2<\/sub>Csn-1<\/sub>Pbn<\/sub>I3n+1<\/sub>\u65e0\u673a\u51c6\u4e8c\u7ef4\u9499\u949b\u77ff\u8584\u819c\u7684\u5438\u6536\u5149\u8c31<\/p>\n

(c). \u4e0d\u540c<n><\/em>\u503c\u7684\u9499\u949b\u77ff\u7c89\u672b\u7684\u5c0f\u884d\u5c04\u89d2XRD\uff1b<\/p>\n

(d). \u7a7a\u6c14\u4e2d\u8001\u5316\u540e\u4e0d\u540c<n><\/em>\u503c\u7684\u9499\u949b\u77ff\u8584\u819c\u7684\u5c0f\u884d\u5c04\u89d2XRD\uff1b<\/p>\n

(e). \u4e0d\u540c<n>\u503c\u65e0\u673a\u51c6\u4e8c\u7ef4\u9499\u949b\u77ff\u7684\u7a33\u6001\u8367\u5149\u5149\u8c31\uff1b<\/p>\n

(f). <n><\/em>=40\uff0c60\u7684\u51c6\u4e8c\u7ef4\u9499\u949b\u77ff\u4e0e\u4f53\u76f8\u5168\u65e0\u673a\u9499\u949b\u77ff\u7684\u77ac\u6001\u8367\u5149\u8870\u51cf\u5bff\u547d\u6d4b\u8bd5<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a). \u7528PEA2<\/sub>Csn-1<\/sub>Pbn<\/sub>X3n+1<\/sub>\u9499\u949b\u77ff\u4f5c\u4e3a\u5438\u6536\u5c42\u7684\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(b). <n><\/em>=60\u7684\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u622a\u9762SEM\u56fe\uff1b<\/p>\n

(c). <n><\/em>=60\u7684\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u5e73\u9762SEM\u56fe\uff1b<\/p>\n

(d). \u57fa\u4e8e\u4e0d\u540c<n><\/em>\u503c\u65e0\u673a\u9499\u949b\u77ff\u7684\u592a\u9633\u80fd\u7535\u6c60J-V<\/em>\u66f2\u7ebf\uff1b<\/p>\n

(e). \u4f53\u76f8\u5168\u65e0\u673a\u4e0e\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u77ff\u8584\u819c\u5728\u7a7a\u6c14\u4e2d\u8001\u5316\u524d\u540e\u7684\u5bf9\u6bd4\u6570\u7801\u7167\u7247\uff1b<\/p>\n

(f). <n><\/em>=60\u7684\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684EQE\u66f2\u7ebf\uff1b<\/p>\n

(g). \u57fa\u4e8e\u4e0d\u540c<n>\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u77ff\u7684\u5668\u4ef6\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002<\/p>\n

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

\u8be5\u7814\u7a76\u6210\u529f\u5730\u7a81\u7834\u4e86\u65e0\u673a\u5364\u5316\u94ef\u94c5\u9499\u949b\u77ff\u592a\u9633\u7535\u6c60\u7684\u4e24\u4e2a\u96be\u9898\u3002\u5176\u4e00\u662f\u5229\u7528\u65b0\u578b\u524d\u9a71\u6db2\u7ec4\u5408(CsAc, HPbX3<\/sub>)\u5236\u5907\u51fa\u539a\u5ea6\u7ea6500 nm\u7684\u9499\u949b\u77ff\u8584\u819c\uff0c\u7a81\u7834\u4e86\u4f20\u7edf\u524d\u9a71\u4f53\u6eb6\u89e3\u6027\u5dee\u5bfc\u81f4\u8584\u819c\u8fc7\u8584\u5438\u5149\u5ea6\u4f4e\u7684\u95ee\u9898\uff1b\u5176\u4e8c\u662f\u901a\u8fc7\u5728\u8be5\u4f53\u7cfb\u4e2d\u5f15\u5165PEAX,\u6210\u529f\u5730\u6784\u7b51\u51c6\u4e8c\u7ef4\u65e0\u673a\u9499\u949b\u77ff\uff0c\u6709\u6548\u5730\u63d0\u9ad8\u9499\u949b\u77ff\u8584\u819c\u7684\u70ed\u529b\u5b66\u7a33\u5b9a\u6027\uff0c\u8fdb\u800c\u6291\u5236\u5ba4\u6e29\u4e0b\u7684\u81ea\u53d1\u76f8\u8f6c\u53d8\u3002\u901a\u8fc7\u4ee5\u4e0a\u63aa\u65bd\uff0c\u4f5c\u8005\u6210\u529f\u7814\u5236\u51fa\u76ee\u524d\u6548\u7387\u6700\u9ad8\u7684\u65e0\u673a\u5364\u5316\u94ef\u94c5\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\uff0c\u6548\u7387\u8fbe\u523012.4%\uff0c\u5e76\u4e14\u5177\u6709\u4f18\u5f02\u7684\u73af\u5883\u7a33\u5b9a\u6027\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Reduced-Dimensional a-CsPbX3<\/sub> Perovskites for Efficient and Stable Photovoltaics<\/a> (Joule, 2018, DOI: 10.1016\/j.joule.2018.05.004)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4\u91d1\u4e5f\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u4eba\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\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

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

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\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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