{"id":119317,"date":"2018-01-01T06:30:18","date_gmt":"2017-12-31T22:30:18","guid":{"rendered":"\/\/m.iemloyee.com\/?p=119317"},"modified":"2017-12-29T22:16:29","modified_gmt":"2017-12-29T14:16:29","slug":"nat-commun-%e6%99%b6%e7%95%8c%e5%af%b9%e6%9c%89%e6%9c%ba-%e6%97%a0%e6%9c%ba%e9%92%99%e9%92%9b%e7%9f%bf%e8%86%9c%e6%95%88%e7%8e%87%e5%92%8c%e7%a8%b3%e5%ae%9a%e6%80%a7%e7%9a%84%e5%bd%b1%e5%93%8d","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=119317","title":{"rendered":"Nat. Commun. : \u6676\u754c\u5bf9\u6709\u673a-\u65e0\u673a\u9499\u949b\u77ff\u819c\u6548\u7387\u548c\u7a33\u5b9a\u6027\u7684\u5f71\u54cd"},"content":{"rendered":"

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

\u6709\u673a-\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u592a\u9633\u7535\u6c60\u4f5c\u4e3a\u4e00\u9879\u6709\u524d\u666f\u7684\u6280\u672f\u5df2\u7ecf\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\u3002\u5176\u80fd\u91cf\u8f6c\u5316\u6548\u7387\u5df2\u7ecf\u4ece3.8%\u63d0\u9ad8\u523022%\u3002\u968f\u7740\u7535\u6c60\u6548\u7387\u7684\u6301\u7eed\u589e\u5927\uff0c\u4eba\u4eec\u5bf9\u6676\u7c92\u5c3a\u5bf8\u7684\u589e\u5927\u6216\u8005\u662f\u6676\u754c\u7684\u949d\u5316\u7684\u5f71\u54cd\u6709\u4e0d\u540c\u7684\u770b\u6cd5\u3002\u8584\u819c\u7684\u8868\u9762\u3001\u6676\u7c92\u7684\u5185\u90e8\u548c\u76f8\u90bb\u6676\u7c92\u95f4\u7684\u6676\u754c\u662f\u9499\u949b\u77ff\u8584\u819c\u5b58\u5728\u7f3a\u9677\u7684\u4e09\u4e2a\u91cd\u8981\u533a\u57df\u3002\u6240\u4ee5\uff0c\u533a\u522b\u548c\u786e\u5b9a\u8fd9\u4e9b\u56e0\u7d20\u5bf9\u591a\u6676\u9499\u949b\u77ff\u8584\u819c\u5149\u7535\u6027\u8d28\u7684\u5f71\u54cd\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u53e6\u5916\uff0c\u5bf9\u4e8e\u5176\u7a33\u5b9a\u6027\u800c\u8a00\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u7814\u7a76\u8584\u819c\u7684\u6676\u754c\u6216\u8005\u8868\u9762\u662f\u5426\u662f\u9499\u949b\u77ff\u6676\u4f53\u53d1\u751f\u964d\u89e3\u7684\u533a\u57df\u3002\u56e0\u6b64\uff0c\u7406\u89e3\u9499\u949b\u77ff\u8584\u819c\u7684\u964d\u89e3\u673a\u7406\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002\u4e0e\u4f20\u7edf\u7684\u5b8f\u89c2\u5668\u4ef6\u8868\u5f81\u76f8\u6bd4\uff0c\u4eba\u4eec\u8ba4\u4e3a\u5bf9\u9499\u949b\u77ff\u8584\u819c\u7684\u5316\u5b66\u3001\u7535\u5b66\u548c\u5149\u5b66\u6027\u8d28\u7684\u7a7a\u95f4\u5206\u8fa8\u7684\u7814\u7a76\u5c06\u4e3a\u63a8\u8fdb\u57fa\u7840\u79d1\u5b66\u7814\u7a76\u63d0\u4f9b\u81f3\u5173\u91cd\u8981\u7684\u4fe1\u606f\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5fb7\u514b\u8428\u65af\u5927\u5b66\u7684\u8d56\u67ef\u5409\u3001\u674e\u6653\u52e4\u3001\u7f8e\u56fd\u56fd\u5bb6\u80fd\u6e90\u5b9e\u9a8c\u5ba4\u7684\u6731\u51ef\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Nat. Commun.<\/strong>\u4e0a\u53d1\u8868\u6700\u65b0\u7814\u7a76\u6210\u679c\u201cImpact of grain boundaries on efficiency and stability of organic-inorganic trihalide perovskites<\/strong>\u201d\u3002\u5728\u8be5\u6587\u4e2d\uff0c\u7814\u7a76\u8005\u901a\u8fc7\u5fae\u6ce2\u963b\u6297\u663e\u5fae\u955c(MIM)\u83b7\u5f97\u4e86\u4e24\u79cd\u4e0d\u540c\u6548\u7387\u7684MAPbI3<\/sub>\u8584\u819c\u5728\u5149\u7167\u4e0b\u7684\u5b9a\u91cf\u7eb3\u7c73\u7ea7\u5149\u7535\u5bfc\u6210\u50cf\u3002\u901a\u8fc7\u5b9e\u9a8c\u53d1\u73b0\uff1a\u5fae\u6ce2\u4fe1\u53f7\u57fa\u672c\u5747\u5300\u5730\u5206\u5e03\u4e0a\u6676\u7c92\u548c\u6676\u754c\u4e0a\u3002\u8fd9\u8868\u660e\u5fae\u7ed3\u6784\u4e0d\u4f1a\u5bfc\u81f4\u5185\u90e8\u5149\u54cd\u5e94\u7684\u5f3a\u7a7a\u95f4\u53d8\u5316\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u6240\u6d4b\u5f97\u7684\u5149\u7535\u5bfc\u548c\u5149\u6fc0\u53d1\u7684\u8f7d\u6d41\u5b50\u5bff\u547d\u53d7\u5230\u672c\u4f53\u6027\u8d28\u7684\u5f88\u5927\u5f71\u54cd\uff0c\u5982\u6837\u54c1\u7ed3\u6676\u5ea6\u3002\u4ece\u5c40\u90e8\u5149\u7535\u5bfc\u7684\u7a7a\u95f4\u6f14\u5316\u6765\u770b\uff0c\u964d\u89e3\u8fc7\u7a0b\u59cb\u4e8e\u6676\u7c92\u7684\u5206\u89e3\uff0c\u800c\u4e0d\u662f\u6676\u7c92\u95f4\u7684\u6676\u754c\u3002\u8be5\u7814\u7a76\u7684\u7ed3\u679c\u4e3a\u63d0\u9ad8\u9499\u949b\u77ff\u8584\u819c\u7684\u5149\u7535\u6027\u80fd\u53ca\u5176\u5927\u89c4\u6a21\u5546\u4e1a\u5316\u63d0\u4f9b\u4e86\u601d\u8def\u3002\u8be5\u8bba\u6587\u7684\u7b2c\u4e00\u4f5c\u8005\u4e3a\u50a8\u662d\u680b<\/strong>\u3002<\/p>\n

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

\u56fe<\/strong>1 <\/strong>\u5b9e\u9a8c\u8bbe\u7f6e\u548c\u6709\u9650\u5143\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u6837\u54c1\u7684\u793a\u610f\u56fe\u548c\u901a\u8fc7\u900f\u660e\u73bb\u7483\u57fa\u8d28\u7684\u5e95\u90e8\u7167\u660e\u7684MIM\u56fe<\/p>\n

\uff08b\uff09\u6a21\u62df\u7684MIM\u4fe1\u53f7\u968f\u7740MAPbI3<\/sub>\u5bfc\u7535\u7387\u7684\u53d8\u5316<\/p>\n

\u56fe<\/strong>2 MAPbI3<\/sub><\/strong>\u7684\u7eb3\u7c73\u7ea7\u522b\u7684<\/strong>MIM<\/strong>\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u5bf9\u4e8e\u6548\u7387\u662f18%\u7684\u8584\u819c\uff0c\u5f53532nm\u7684\u6fc0\u5149\u5173\u95ed\uff08\u4e2d\u95f4\uff09\u548c\u6253\u5f00\uff08\u5e95\u90e8\uff09\u65f6\u7684AFM\uff08\u9876\u90e8\uff09\u548cMIM-im\/Re\u56fe\u50cf\uff08AFM\u6570\u636e\u5185\u90e8\u9ed1\u8272\u865a\u7ebf\u957f\u65b9\u5f62\u6240\u793a\uff09<\/p>\n

\uff08b\uff09\u76f8\u5e94\u768415%\u7684\u8584\u819c\u7684\u7ed3\u679c\u56fe<\/p>\n

\u56fe<\/strong>3 MAPbI3<\/sub><\/strong>\u819c\u7684\u5149\u7535\u5bfc\u548c\u5176\u5b83\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u6548\u7387\u4e3a18%\u7684\u8584\u819c\u7684MIM\u4fe1\u53f7<\/p>\n

\uff08b\uff09\u6548\u7387\u4e3a15%\u7684\u8584\u819c\u7684MIM\u4fe1\u53f7<\/p>\n

\uff08c\uff09\u4e24\u79cd\u8584\u819c\u7684\u5149\u7535\u5bfc\u56fe<\/p>\n

\uff08d\uff09\u4e24\u79cd\u8584\u819c\u7684\u5149\u5b66\u5438\u6536\u548cIPCE\u56fe<\/p>\n

\uff08e\uff09\u4e24\u79cd\u8584\u819c\u7684\u7684TRPL\u56fe<\/p>\n

\uff08f\uff09\u4e24\u79cd\u8584\u819c\u7684\u7684XRD<\/p>\n

\u56fe<\/strong>4<\/strong>\u9499\u949b\u77ff\u8584\u819c\u7684\u4e0d\u540c\u5fae\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u5728532nm\u6fc0\u5149100 mW\u2009cm\u22122 <\/sup>\u5149\u7167\u4e0b\uff0cMAPbI3<\/sub>\u819c\u7684AFM\u548cMIM\u56fe\u50cf<\/p>\n

\uff08b\uff09\u5355\u4e00\u6676\u754c\u4e0a\u7684\u7ebf\u5ed3\u7ebf<\/p>\n

\uff08c\uff09\u968f\u7740\u6676\u754c\u5bfc\u7535\u6027\u7684\u53d8\u5316\uff0c\u53c2\u7167\u80cc\u666f\u6676\u7c92\uff08\u5bfc\u7535\u6027\u4e3a10 S m-1<\/sup>\uff09\u7684\u6a21\u62dfMIM\u5bf9\u6bd4\u5ea6<\/p>\n

\u56fe<\/strong>5 MAPbI3<\/sub><\/strong>\u819c\u7684\u964d\u89e3\u8fc7\u7a0b<\/strong><\/p>\n

\"\"<\/p>\n

\uff08<\/span>a<\/span>\uff09\u5728<\/span>23<\/span>\u2103\u3001<\/span>35%<\/span>\u6e7f\u5ea6\u4e0b\uff0c\u6837\u54c1\u4e00\u5468\u4e4b\u540e\u7684<\/span>AFM <\/span>\u548c<\/span> MIM<\/span><\/span>\u56fe<\/span><\/span><\/p>\n

\uff08<\/span>b<\/span>\uff09\u76f8\u540c\u65b9\u6cd5\u5236\u5907\u5e76\u4e14\u5728\u76f8\u540c\u6761\u4ef6\u4e0b\u6e7f\u5ea6\u5904\u7406\u7684<\/span>MAPbI3<\/sub><\/span>\u8584\u819c\u7684<\/span>XRD<\/span>\u56fe<\/span><\/span><\/p>\n

\uff08<\/span>c<\/span>\uff09\u76f8\u540c\u65b9\u6cd5\u5236\u5907\u5e76\u4e14\u5728\u76f8\u540c\u6761\u4ef6\u4e0b\u6e7f\u5ea6\u5904\u7406\u7684<\/span>MAPbI3<\/sub><\/span>\u8584\u819c\u7684<\/span>TRPL<\/span>\u56fe<\/span><\/span><\/p>\n

\uff08<\/span>d<\/span>\uff09<\/span>MAPbI3<\/sub><\/span>\u8584\u819c\u7684\u964d\u89e3\u673a\u7406\u793a\u610f\u56fe<\/span><\/span><\/p>\n

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

\u5728\u8fd9\u9879\u5de5\u4f5c\u4e2d\uff0c\u7814\u7a76\u8005\u62a5\u9053\u4e86\u4e0d\u540c\u6548\u7387\u7684MAPbI3<\/sub>\u7684\u5149\u7535\u5bfc\u56fe\u50cf\u3002\u9ad8\u7684\u8f7d\u6d41\u5b50\u79fb\u52a8\u7387\u548c\u957f\u7684\u5bff\u547d\u662f\u5bfc\u81f4\u8584\u819c\u6709\u8f83\u5927\u5149\u7535\u5bfc\u6027\u7684\u76f4\u63a5\u539f\u56e0\u3002\u76f8\u6bd4\u4e8e\u6676\u7c92\u5185\u90e8\u800c\u8a00\uff0c\u6676\u754c\u5177\u6709\u76f8\u4f3c\u7684\u5149\u4f20\u5bfc\u6027\uff0c\u5b83\u4eec\u5e76\u4e0d\u662f\u964d\u89e3\u8fc7\u7a0b\u53d1\u751f\u7684\u4e2d\u5fc3\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong> Impact of grain boundaries on efficiency and stability of organic-inorganic trihalide perovskites<\/a>\uff08Nat. Commun.\uff0c10.1038\/s41467-017-02331-4\uff09<\/p>\n

\u3010\u56e2\u961f\u4ecb\u7ecd<\/strong>\u3011\u5fb7\u514b\u8428\u65af\u5927\u5b66\u5965\u65af\u6c40\u5206\u6821\u7269\u7406\u7cfb\u8d56\u67ef\u5409\u5b9e\u9a8c\u7ec4<\/p>\n

\uff08https:\/\/web2.ph.utexas.edu\/~lailab\/index.html<\/a>\uff09\u8be5\u7ec4\u81f4\u529b\u4e8e\u7814\u7a76\u4e8c\u7ef4\u6750\u6599\u3001\u62d3\u6251\u7edd\u7f18\u4f53\u3001\u591a\u94c1\u4f53\u7cfb\u4ee5\u53ca\u5f3a\u5173\u8054\u4f53\u7cfb\u4e2d\u7684\u5fae\u89c2\u7269\u7406\u73b0\u8c61\u3002\u4e3b\u8981\u5b9e\u9a8c\u65b9\u6cd5\u5305\u62ec\u8fd1\u573a\u5fae\u6ce2\u6210\u50cf\uff0c\u7535\u8f93\u8fd0\u53ca\u5149\u5b66\u6d4b\u91cf\u7b49\u3002<\/p>\n

2\uff09\u56e2\u961f\u5728\u8be5\u9886\u57df\u5de5\u4f5c\u6c47\u603b\uff1a\u89c1https:\/\/web2.ph.utexas.edu\/~lailab\/publications.html<\/a><\/p>\n

3)\u76f8\u5173\u4f18\u8d28\u6587\u732e\u63a8\u8350:<\/p>\n

Yutsung Tsai, Zhaodong Chu, Yimo Han, Chih-Piao Chuu, Di Wu, Alex Johnson, Fei Cheng, Mei-Yin Chou, David A. Muller, Xiaoqin Li, Keji Lai, and Chih-Kang Shih, “Tailoring Semiconductor Lateral Multijunctions for Giant Photoconductivity Enhancement<\/a>“, Advanced Materials 29, 1703680 (2017).<\/p>\n

Xiaoyu Wu, Urko Petralanda, Lu Zheng, Yuan Ren, Rongwei Hu, Sang-Wook Cheong, Sergey Artyukhin, Keji Lai, “Low-energy Structural Dynamics of Ferroelectric Domain Walls in Hexagonal Rare-earth Manganites<\/a>“, Science Advances 3 (5), e1602371 (2017).<\/p>\n

Di Wu, Xiao Li, Lan Luan, Xiaoyu Wu, Wei Li, Maruthi N Yogeesh, Rudresh Ghosh, Zhaodong Chu, Deji Akinwande, Qian Niu, Keji Lai, “Uncovering edge states and electrical inhomogeneity in MoS2<\/sub> field-effect transistors<\/a>“, Proceedings of the National Academy of Sciences 113 (31), 8583-8588 (2016).<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u5c0f\u7ec4\u9a6c\u6c38\u8d85<\/strong>\u7f16\u8bd1\u6574\u7406\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

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

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