{"id":186902,"date":"2019-10-06T06:30:33","date_gmt":"2019-10-05T22:30:33","guid":{"rendered":"\/\/m.iemloyee.com\/?p=186902"},"modified":"2019-10-05T21:27:19","modified_gmt":"2019-10-05T13:27:19","slug":"%e3%80%90%e5%ae%a1%e7%a8%bf%e5%b7%b2%e5%9b%9e%e5%a4%8d%e3%80%91%e5%8d%97%e5%a4%a7nature-energy-%e6%95%88%e7%8e%87%e9%ab%98%e8%be%be24-8%ef%bc%85%e7%9a%84%e5%85%a8%e9%92%99%e9%92%9b%e7%9f%bf%e4%b8%b2","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=186902","title":{"rendered":"\u5357\u5927Nature Energy: \u6548\u7387\u9ad8\u8fbe24.8\uff05\u7684\u5168\u9499\u949b\u77ff\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60"},"content":{"rendered":"
\u3010\u5f15\u8a00<\/strong>\u3011<\/p>\n \u7531\u4e8e\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\u957f\uff0c\u9677\u9631\u6001\u5bc6\u5ea6\u4f4e\u548c\u5bf9\u7f3a\u9677\u7684\u5bb9\u5fcd\u5ea6\u9ad8\uff0c\u5364\u5316\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\uff08PSC\uff09\u7684\u529f\u7387\u8f6c\u6362\u6548\u7387\uff08PCE\uff09\u8fd1\u5e74\u6765\u83b7\u5f97\u8fc5\u901f\u63d0\u5347\uff0c\u5df2\u8fbe\u523024.2\uff05\u7684\u8ba4\u8bc1\u6548\u7387\u3002\u5c06\u57fa\u4e8ePb\u7684\u5bbd\u5e26\u9699\u9499\u949b\u77ff\uff081.8 eV\uff09\u4e0e\u57fa\u4e8ePb-Sn\u7684\u7a84\u5e26\u9699\u9499\u949b\u77ff\uff081.2 eV\uff09\u7ed3\u5408\u8d77\u6765\uff0c\u53ef\u4ee5\u6784\u6210\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\uff0c\u4ece\u800c\u5b9e\u73b0\u6bd4\u5355\u7ed3PSC\u66f4\u9ad8\u7684PCE\u3002<\/p>\n \u5728\u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u4e2d\u5c06Pb\u548cSn\u6df7\u5408\u53ef\u63d0\u4f9b\u4e00\u6761\u964d\u4f4e\u6750\u6599\u5e26\u9699\u7684\u9014\u5f84\uff0c\u5f53Sn\u542b\u91cf\u8fbe\u523050-60\uff05\u65f6\uff0c\u80fd\u83b7\u5f97\u4f4e\u81f31.2 eV\u5de6\u53f3\u7684\u7a84\u5e26\u9699\u3002\u4f46\u662f\uff0c\u6df7\u5408Pb-Sn\u9499\u949b\u77ff\u4e2d\u7684\u5173\u952e\u5143\u7d20Sn2+<\/sup>\u6613\u4e8e\u6c27\u5316\uff0c\u5f62\u6210Sn4+<\/sup>\uff0c\u7279\u522b\u662f\u5728\u524d\u9a71\u4f53\u6eb6\u6db2\u548cSnI2<\/sub>\u56fa\u4f53\u4e2d\uff0c\u5bfc\u81f4\u9ad8\u9677\u9631\u6001\u5bc6\u5ea6\u548c\u77ed\u7684\u6269\u6563\u957f\u5ea6\u3002\u4e3a\u4e86\u89e3\u51b3\u8be5\u9650\u5236\uff0c\u5df2\u4f7f\u7528\u9521\u6e90\u7eaf\u5316\u548c\u6297\u6c27\u5316\u5242\u6dfb\u52a0\u5242\uff08\u4f8b\u5982SnF2<\/sub>\uff0cSnF2<\/sub>-\u5421\u55ea\u914d\u5408\u7269\u548c\u7f9f\u57fa\u82ef\u78fa\u9178\uff09\u6765\u51cf\u5c11\u4e0e\u5364\u5316\u9499\u949b\u77ff\u4e2dSn2+<\/sup>\u6c27\u5316\u6709\u5173\u7684\u7f3a\u9677\u5bc6\u5ea6\u3002\u5728\u6df7\u5408Pb-Sn\u7a84\u5e26\u9699PSC\u4e2d\u91c7\u7528\u4e86\u7cfb\u5217\u5668\u4ef6\u8bbe\u8ba1\u7b56\u7565\uff0c\u4f8b\u5982\u5bf9\u754c\u9762\u8fdb\u884c\u5de5\u7a0b\u8bbe\u8ba1\u3001\u6269\u5927\u6676\u7c92\u3001\u5f15\u5165\u6676\u683c\u5e94\u53d8\u548c\u4f7f\u7528\u5364\u5316\u7269\u8fdb\u884c\u5408\u91d1\u5316\uff0c\u4ece\u800c\u4f7fPCE\u6539\u5584\u523017-19\uff05\u3002\u6700\u8fd1\u6709\u62a5\u9053\u79f0\u80cd\u57fa\u786b\u6c30\u9178\u76d0\u53ef\u949d\u5316\u6676\u754c\u5e76\u964d\u4f4e\u8868\u9762\u7f3a\u9677\u5bc6\u5ea6\uff0c\u8fd9\u589e\u52a0\u4e86\u8f7d\u6d41\u5b50\u5bff\u547d\uff0c\u4ece\u800c\u5ef6\u957f\u4e86\u6df7\u5408Pb-Sn\u9499\u949b\u77ff\u7684\u6269\u6563\u957f\u5ea6\uff0c\u5e76\u5b9e\u73b0\u4e86\u5355\u7ed3\u7a84\u5e26\u9699PSC\u7684PCE\u4e3a20.2\uff05\uff0c\u5728\u5168\u9499\u949b\u77ff\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u4e2d\u6548\u7387\u8fbe23.1\uff05\u3002\u4f5c\u8005\u8ba4\u4e3a\u964d\u4f4e\u6676\u7c92\u5185\u90e8\u7f3a\u9677\u5bc6\u5ea6\uff08\u6bd4\u5982\u9521\u7a7a\u4f4d\uff09\u5c06\u6709\u671b\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7535\u6c60\u7684\u8f6c\u6362\u6548\u7387\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb<\/strong>\u3011<\/p>\n \u8fd1\u65e5\uff0c\u5357\u4eac\u5927\u5b66\u8c2d\u6d77\u4ec1\u6559\u6388\u8bfe\u9898\u7ec4\u8054\u5408\u6731\u5609\u6559\u6388\u548c\u5f20\u6625\u5cf0\u6559\u6388<\/strong>\uff0c\u62a5\u544a\u4e86\u4e00\u79cd\u7b80\u5355\u6709\u6548\u7684\u8fd8\u539f\u9521\u524d\u4f53\u6eb6\u6db2\uff08TRP\uff09\u7b56\u7565\uff0c\u8be5\u7b56\u7565\u901a\u8fc7\u6dfb\u52a0\u5c11\u91cf\u91d1\u5c5e\u9521\u7c89\u6765\u9632\u6b62\u7a84\u5e26\u9699\u9499\u949b\u77ff\u524d\u4f53\u6eb6\u6db2\u4e2d\u7684Sn2+<\/sup>\u6c27\u5316\u4e3aSn4+<\/sup>\u3002\u6b8b\u7559\u7684\u9521\u9897\u7c92\u5728\u901a\u8fc7\u8fc7\u6ee4\u6eb6\u6db2\u5236\u819c\u4e4b\u524d\u88ab\u9664\u53bb\u3002\u901a\u8fc7\u91c7\u7528\u8fd9\u79cd\u7b56\u7565\uff0c\u6211\u4eec\u80fd\u591f\u51cf\u5c11\u6676\u7c92\u5185\u90e8\u7684Sn\u7a7a\u4f4d\uff0c\u4ece\u800c\u5728\u6df7\u5408\u7684Pb-Sn\u9499\u949b\u77ff\u8584\u819c\u4e2d\u5b9e\u73b03\u03bcm\u7684\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\uff0c\u5176\u6750\u6599\u8d28\u91cf\u53ef\u4e0e\u7eaf\u94c5\u9499\u949b\u77ff\u76f8\u5f53\uff08\u5177\u6269\u6563\u957f\u5ea6\u4e3a3.5\u03bcm\uff0cPCE\u9ad8\u4e8e22\uff05\uff09\u3002\u5728\u5e26\u9699\u4e3a1.22-eV\u7684\u6df7\u5408Pb-Sn\u7a84\u5e26\u9699PSC\u4e2d\uff0c\u83b7\u5f97\u4e86\u76ee\u524d\u62a5\u9053\u6700\u9ad8\u7684PCE\uff0c\u4e3a21.1\uff05\uff0c\u586b\u5145\u56e0\u5b50\uff08FF\uff09\u9ad8\u4e8e80\uff05\uff0cJsc<\/sub>\u503c\u9ad8\u4e8e32 mA\/cm2<\/sup>\u3002\u4f5c\u8005\u8fdb\u4e00\u6b65\u5f00\u53d1\u4e86\u4e00\u79cd\u65b0\u578b\u96a7\u7a7f\u590d\u5408\u7ed3\u7ed3\u6784\uff0c\u8be5\u590d\u5408\u7ed3\u901a\u8fc7\u5229\u7528\u539f\u5b50\u5c42\u6c89\u79ef\u5236\u5907\u7684\u81f4\u5bc6SnO2<\/sub>\u5c42\uff0c\u907f\u514d\u4e86\u4f7f\u7528\u6e85\u5c04\u6cd5\u5236\u5907\u7684ITO\u3002\u8fd9\u4f7f\u5f97\u6211\u4eec\u80fd\u591f\u5236\u9020\u5168\u9499\u949b\u77ff\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\uff0c\u5728\u53cd\u5411\u626b\u63cf\u6761\u4ef6\u4e0b\uff0c\u5c0f\u9762\u79ef\u5668\u4ef6\uff080.049 cm2<\/sup>\uff09\u7684\u8ba4\u8bc1\u8f6c\u6362\u6548\u7387\u4e3a24.8\uff05\uff0c\u5927\u9762\u79ef\u5668\u4ef6\uff081.05 cm2<\/sup>\uff09\u7684\u8ba4\u8bc1\u6548\u7387\u4e3a22.1\uff05\u3002\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u8868\u73b0\u51fa\u8f83\u597d\u7684\u7a33\u5b9a\u6027\uff0c\u5728\u5168\u65e5\u7167\u4e0b\u6700\u5927\u529f\u7387\u70b9\uff08MPP\uff09\u8fd0\u884c463\u5c0f\u65f6\u540e\uff0c\u4ecd\u80fd\u4fdd\u630190\uff05\u7684\u521d\u59cb\u6027\u80fd\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cMonolithic All-Perovskite Tandem Solar Cells with 24.8% Efficiency Exploiting Comproportionation to Suppress Sn(\u2161) Oxidation in Precursor Ink\u201d\u53d1\u8868\u5728Nature Energy\u4e0a\u3002<\/strong><\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n Figure 1.<\/strong>\u7531\u542b<\/strong>Sn4+<\/sup><\/strong>\u548c<\/strong>Sn<\/strong>\u8fd8\u539f\uff08\u4e0d\u542b<\/strong>Sn4+<\/sup><\/strong>\uff09\u7684\u524d\u4f53\u6eb6\u6db2\u5236\u6210\u7684\u6df7\u5408<\/strong>Pb-Sn<\/strong>\u7a84\u5e26\u9699\u9499\u949b\u77ff\u819c<\/strong><\/p>\n a.\u7167\u7247\u663e\u793a\u4e86\u5728\u73af\u5883\u7a7a\u6c14\u4e2dSn2+<\/sup>\u5bb9\u6613\u6c27\u5316\u4e3aSn4+<\/sup>\uff0c\u4f46\u91d1\u5c5e\u9521\u7c89\u53ef\u5c06Sn4+<\/sup>\u8f7b\u677e\u8fd8\u539f\u4e3aSn2+<\/sup><\/p>\n b.\u7531\u4e8e\u524d\u4f53\u6eb6\u6db2\u4e2d\u5b58\u5728Sn4+<\/sup>\u5bfc\u81f4\u6df7\u5408Pb-Sn\u9499\u949b\u77ff\u4e2d\u9521\u7a7a\u4f4d\u7684\u5f62\u6210\uff0c\u4ee5\u53ca\u7531\u4e8e\u4e0d\u5b58\u5728Sn4+<\/sup>\u800c\u6291\u5236\u4e86TRP\u9499\u949b\u77ff\u4e2d\u9521\u7a7a\u4f4d\u7684\u5f62\u6210<\/p>\n c.\u5bf9\u7167\u548cTRP\u7a84\u5e26\u9699\u9499\u949b\u77ff\u819c\u7684X\u5c04\u7ebf\u884d\u5c04\u56fe<\/p>\n d.\u5728\u88f8\u9732\u7684\u73bb\u7483\u57fa\u677f\u4e0a\u6c89\u79ef\u7684\u5bf9\u7167\u548cTRP\u7a84\u5e26\u9499\u949b\u77ff\u8584\u819c\u7684\u5149\u81f4\u53d1\u5149\u5149\u8c31<\/p>\n e,f.\u5bf9\u7167\u548cTRP\u7a84\u5e26\u9499\u949b\u77ff\u8584\u819c\u7684SEM\u56fe\u50cf<\/p>\n Figure 2.<\/strong>\u6df7\u5408\u7684<\/strong>Pb-Sn<\/strong>\u7a84\u5e26\u9699\u9499\u949b\u77ff\u7684\u8f7d\u6d41\u5b50\u590d\u5408\u52a8\u529b\u5b66<\/strong><\/p>\n a,b.\u5bf9\u7167\u548cTRP\u7a84\u5e26\u9699\u9499\u949b\u77ff\u819c\u7684\u98de\u79d2OPTP\u77ac\u6001\u5149\u8c31<\/p>\n c.\u5bf9\u7167\u9499\u949b\u77ff\u819c\u548cTRP\u9499\u949b\u77ff\u819c\u7684\u7eb3\u79d2\u7ea7OPTP\u77ac\u6001\u5149\u8c31<\/p>\n d.\u5bf9\u7167\u9499\u949b\u77ff\u819c\u548cTRP\u9499\u949b\u77ff\u819c\u7684\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\uff08LD<\/sub>\uff09\u968f\u8f7d\u6d41\u5b50\u6d53\u5ea6\u7684\u53d8\u5316\u66f2\u7ebf<\/p>\n Figure 3.<\/strong>\u6df7\u5408<\/strong>Pb-Sn<\/strong>\u7a84\u5e26\u9699<\/strong>PSC<\/strong>\u7684\u5149\u4f0f\u6027\u80fd<\/strong><\/p>\n a.\u5728\u4e0d\u540c\u9499\u949b\u77ff\u5c42\u539a\u5ea6\u6761\u4ef6\u4e0b\u5bf9\u7167\u592a\u9633\u80fd\u7535\u6c60\u548cTRP\u592a\u9633\u80fd\u7535\u6c60\u7684\u5149\u4f0f\u6027\u80fd\u53c2\u6570<\/p>\n b.\u5728\u4e0d\u540c\u9499\u949b\u77ff\u5c42\u539a\u5ea6\u6761\u4ef6\u4e0bTRP\u592a\u9633\u80fd\u7535\u6c60\u7684EQE\u66f2\u7ebf<\/p>\n c.\u539a\u5ea6\u4e3a860nm\u7684\u5bf9\u7167\u592a\u9633\u80fd\u7535\u6c60\u548cTRP\u592a\u9633\u80fd\u7535\u6c60\u7684\u77ac\u6001\u5149\u7535\u538b\u56fe\u8c31<\/p>\n d.\u9499\u949b\u77ff\u5c42\u539a\u5ea6\u4e3a860 nm\u7684126\u4e2aTRP\u5668\u4ef6PCE\u7684\u76f4\u65b9\u56fe\u3002\u5668\u4ef6\u7684\u5e73\u5747PCE\u4e3a20.1\u00b10.6\uff05<\/p>\n e.\u6027\u80fd\u6700\u4f73\u7684TRP\u5668\u4ef6\u7684J-V\u66f2\u7ebf<\/p>\n f.\u6027\u80fd\u6700\u4f73\u7684TRP\u5668\u4ef6\u7684EQE\u66f2\u7ebf<\/p>\n Figure 4.<\/strong>\u5168\u9499\u949b\u77ff\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027<\/strong><\/p>\n a.\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u7684\u5668\u4ef6\u7ed3\u6784\u548c\u76f8\u5e94\u7684\u622a\u9762SEM\u56fe\u50cf<\/p>\n b.\u5728\u96a7\u7a7f\u590d\u5408\u7ed3\u4e2d\u4e0d\u5177\u6709\u548c\u5177\u6709\u8d85\u8584Au\u5c42\u7684\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u7684J-V\u66f2\u7ebf<\/p>\n c.\u6027\u80fd\u6700\u4f73\u7684\u5c0f\u9762\u79ef\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u7684J-V\u66f2\u7ebf\uff0c\u5728\u53cd\u5411\u626b\u63cf\u548c\u6b63\u5411\u626b\u63cf\u4e0b\u7684PCE\u5206\u522b\u4e3a24.8\uff05\u548c24.5\uff05<\/p>\n d.\u6027\u80fd\u6700\u4f73\u7684\u5c0f\u9762\u79ef\u4e32\u8054\u53e0\u5c42\u7535\u6c60\u7684EQE\u66f2\u7ebf<\/p>\n e.\u5927\u9762\u79ef\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u7684J-V\u66f2\u7ebf<\/p>\n f.\u5728\u6ca1\u6709\u7d2b\u5916\u7ebf\u8fc7\u6ee4\u5668\u7684\u6a21\u62dfAM1.5\u592a\u9633\u5149\u7167\u4e0b\uff0c\u624b\u5957\u7bb1\u4e2d\u672a\u5c01\u88c5\u7684\u5c0f\u9762\u79ef\u4e32\u8054\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u5728463 h\u5185\u7684MPP\u8ddf\u8e2a\u66f2\u7ebf<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n 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