{"id":266732,"date":"2025-05-09T09:15:07","date_gmt":"2025-05-09T01:15:07","guid":{"rendered":"\/\/m.iemloyee.com\/?p=266732"},"modified":"2025-05-09T09:15:07","modified_gmt":"2025-05-09T01:15:07","slug":"%e9%ba%bb%e7%9c%81%e7%90%86%e5%b7%a5%e6%9c%80%e6%96%b0science%ef%bc%9a%e6%96%b0%e5%9e%8b%e4%ba%8c%e7%bb%b4-%e4%b8%89%e7%bb%b4%e7%bb%93%e6%9e%84%e7%aa%81%e7%a0%b4%e9%92%99%e9%92%9b%e7%9f%bf%e7%94%b5","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=266732","title":{"rendered":"\u9ebb\u7701\u7406\u5de5\u6700\u65b0Science\uff1a\u65b0\u578b\u4e8c\u7ef4\/\u4e09\u7ef4\u7ed3\u6784\u7a81\u7834\u9499\u949b\u77ff\u7535\u6c60\u7a33\u5b9a\u6027\u74f6\u9888\uff0c\u5b9e\u73b025.9%\u6548\u7387\u4e0e\u8d85\u957f\u5bff\u547d"},"content":{"rendered":"

\u3010\u79d1\u5b66\u80cc\u666f\u3011<\/p>\n

\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u56e0\u5176\u9ad8\u6548\u7387\u548c\u4f4e\u6210\u672c\u6210\u4e3a\u5149\u4f0f\u9886\u57df\u7684\u7814\u7a76\u70ed\u70b9\uff0c\u4f46\u5176\u957f\u671f\u7a33\u5b9a\u6027\u95ee\u9898\u963b\u788d\u4e86\u5546\u4e1a\u5316\u8fdb\u7a0b\u3002\u8fd1\u5e74\u6765\uff0c\u4e8c\u7ef4\/\u4e09\u7ef4\uff082D\/3D\uff09\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\u6784\u901a\u8fc7\u8868\u9762\u7f3a\u9677\u949d\u5316\u3001\u6291\u5236\u79bb\u5b50\u8fc1\u79fb\u548c\u73af\u5883\u9694\u79bb\u7b49\u673a\u5236\uff0c\u663e\u8457\u63d0\u5347\u4e86\u5668\u4ef6\u7a33\u5b9a\u6027\u3002\u7136\u800c\uff0c\u4f20\u7edf\u4e8c\u7ef4\u5c42\u5728\u5668\u4ef6\u8001\u5316\u8fc7\u7a0b\u4e2d\u6613\u53d1\u751f\u52a8\u6001\u76f8\u53d8\uff08\u5982\u5206\u89e3\u4e3a\u4f4e\u7ef4\u76f8\u6216PbI\u2082\uff09\uff0c\u5bfc\u81f4\u6027\u80fd\u8870\u51cf\u3002\u73b0\u6709\u7814\u7a76\u591a\u5173\u6ce8\u4e8c\u7ef4\u5c42\u7684\u521d\u59cb\u4f18\u5316\uff0c\u5374\u5ffd\u7565\u4e86\u5176\u5728\u957f\u671f\u8fd0\u884c\u4e2d\u7684\u7ed3\u6784\u6f14\u5316\u89c4\u5f8b\u3002\u672c\u6587\u805a\u7126\u4e8e\u4e8c\u7ef4\u5c42\u5728\u52a8\u6001\u8001\u5316\u8fc7\u7a0b\u4e2d\u7684\u7a33\u5b9a\u6027\u673a\u5236\uff0c\u63d0\u51fa\u901a\u8fc7\u6df7\u5408\u6eb6\u5242\u8c03\u63a7\u4e8c\u7ef4\u76f8\u7684\u7ed3\u6676\u6027\u548c\u76f8\u7eaf\u5ea6\uff0c\u89e3\u51b3\u5176\u7ed3\u6784\u9000\u5316\u95ee\u9898\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u9ebb\u7701\u7406\u5de5\u5b66\u9662\u5316\u5b66\u7cfb\u7684Moungi G. Bawendi\u6559\u6388\u8054\u5408\u7f8e\u56fd\u56fd\u5bb6\u53ef\u518d\u751f\u80fd\u6e90\u5316\u5b66\u4e0e\u7eb3\u7c73\u79d1\u5b66\u4e2d\u5fc3\u7684\u6731\u51ef\u6559\u6388\u56e2\u961f\u62a5\u9053\u4e86\u4e00\u79cd\u901a\u8fc7\u6df7\u5408\u6eb6\u5242\u7b56\u7565\u81ea\u53d1\u5f62\u6210\u9ad8\u7a33\u5b9a\u4e8c\u7ef4\u9499\u949b\u77ff\u76f8\u7684\u65b9\u6cd5\uff0c\u663e\u8457\u63d0\u5347\u4e86\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u6548\u7387\u548c\u8010\u4e45\u6027\u3002\u7814\u7a76\u8868\u660e\uff0c\u4f20\u7edf\u4e8c\u7ef4\u5c42\u5728\u5668\u4ef6\u8001\u5316\u8fc7\u7a0b\u4e2d\u4f1a\u52a8\u6001\u6f14\u5316\u4e3a\u4f4e\u7ef4\u76f8\u6216PbI\u2082\uff0c\u5bfc\u81f4\u7f3a\u9677\u949d\u5316\u5931\u6548\u548c\u6027\u80fd\u8870\u51cf\u3002\u901a\u8fc7\u5f15\u5165\u7532\u57fa\u94f5\uff08MA\uff09\u6dfb\u52a0\u5242\u4e0e\u6df7\u5408\u6eb6\u5242\uff08\u5982\u4e8c\u7532\u57fa\u4e9a\u781c\/\u5f02\u4e19\u9187\uff09\uff0c\u53ef\u7cbe\u51c6\u8c03\u63a7\u4e8c\u7ef4\u9499\u949b\u77ff\uff08n=2\uff09\u7684\u7ed3\u6676\u52a8\u529b\u5b66\uff0c\u5b9e\u73b0\u65e0\u526f\u4ea7\u7269\uff08\u5982\u672a\u53cd\u5e94\u7684PbI\u2082\u6216n=1\u76f8\uff09\u7684\u9ad8\u7eaf\u5ea6\u4e8c\u7ef4\u76f8\u3002\u4f18\u5316\u540e\u7684\u4e8c\u7ef4\/\u4e09\u7ef4\u5f02\u8d28\u7ed3\u6784\u5668\u4ef6\u5b9e\u73b0\u4e8625.9%\u7684\u529f\u7387\u8f6c\u6362\u6548\u7387\uff0c\u5e76\u572885\u00b0C\u6700\u5927\u529f\u7387\u70b9\u8ffd\u8e2a\u4e0b\u8fde\u7eed\u8fd0\u884c1074\u5c0f\u65f6\u540e\u4ecd\u4fdd\u630191%\u7684\u521d\u59cb\u6027\u80fd\u3002\u7ed3\u5408\u539f\u4f4d\u8868\u5f81\u4e0e\u7406\u8bba\u8ba1\u7b97\uff0c\u63ed\u793a\u4e86\u6eb6\u5242\u4e0e\u9499\u949b\u77ff\u8868\u9762\u7684\u76f8\u4e92\u4f5c\u7528\u673a\u5236\uff0c\u4ee5\u53caMA\u5728\u70ed\u529b\u5b66\u4e0a\u4fc3\u8fdb\u9ad8\u7ef4\u76f8\u5f62\u6210\u7684\u5173\u952e\u4f5c\u7528\u3002\u8be5\u7814\u7a76\u4e3a\u8bbe\u8ba1\u957f\u5bff\u547d\u9499\u949b\u77ff\u5149\u4f0f\u5668\u4ef6\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cSpontaneous formation of robust two-dimensional perovskite phases\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u8457\u540d\u671f\u520aScience<\/em><\/strong>\u671f\u520a\u4e0a\u3002<\/p>\n

 <\/p>\n

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

\"\"<\/p>\n

\u56fe1 \u00a0<\/strong>\u4e0d\u540c\u6eb6\u5242\u4f53\u7cfb\u4e0b\u4e8c\u7ef4\u9499\u949b\u77ff\u7684\u7ed3\u6676\u52a8\u529b\u5b66\u4e0e\u8f7d\u6d41\u5b50\u5bff\u547d<\/strong>\u00a9 2025 AAAS<\/strong><\/p>\n

(A<\/strong>\u81f3<\/strong>H)<\/strong>\u00a0\u901a\u8fc7\u539f\u4f4d\u63a0\u5165\u5c04\u5e7f\u89d2X\u5c04\u7ebf\u6563\u5c04\uff08GIWAXS\uff09\u5206\u6790\u4e0d\u540c\u6eb6\u5242\u4f53\u7cfb\uff08Oc\u3001OcMA\u3001OcMA:F\u3001OcMA:S\uff09\u7684\u4e8c\u7ef4\u9499\u949b\u77ff\u5f62\u6210\u8fc7\u7a0b\uff1a(A, C, E, G) \u521d\u59cb\u76f8\u7ec4\u6210\uff1b(B, D, F, H) \u9000\u706b\u540e\u7684\u6700\u7ec8\u76f8\u7ec4\u6210\u3002OcMA:S\u4f53\u7cfb\uff08G, H\uff09\u5728\u9000\u706b\u540e\u81ea\u53d1\u5f62\u6210\u7eaf\u76f8\u4e8c\u7ef4\uff08n=2\uff09\u9499\u949b\u77ff\uff0c\u65e0\u6b8b\u7559PbI\u2082\u6216n=1\u76f8\u3002(I)<\/strong>\u00a0\u4e8c\u7ef4\uff08n=2\uff09\u76f8\u7684\u7ed3\u6676\u5ea6\u91cf\u5316\uff08\u57fa\u4e8e\u79ef\u5206\u5cf0\u9762\u79ef\u6bd4\uff09\u3002(J, K)<\/strong>\u00a0\u8f7d\u6d41\u5b50\u5bff\u547d\u4e0e\u4e8c\u7ef4\u7ed3\u6676\u5ea6\u7684\u76f8\u5173\u6027\uff1aOcMA:S\u4f53\u7cfb\u7684\u8f7d\u6d41\u5b50\u5bff\u547d\uff084205 ns\uff09\u8f83\u88f8\u4e09\u7ef4\u9499\u949b\u77ff\uff081067 ns\uff09\u63d0\u5347394%\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2. <\/strong>\u4e8c\u7ef4\u9499\u949b\u77ff\u5236\u5907\u673a\u5236\u6269\u5c55\u3001\u7535\u4f4d\u5747\u5300\u6027\u53ca\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66<\/strong>\u00a9 2025 AAAS<\/strong><\/p>\n

(A)<\/strong>\u00a0\u4e0d\u540c\u6eb6\u5242\u4f53\u7cfb\uff08OcMA:F\u3001OcMA:N\u7b49\uff09\u7684\u4e8c\u7ef4\u7ed3\u6676\u5ea6\u4e0e\u521d\u59cb\u76f8\u5206\u5e03\u5173\u7cfb\u56fe\u3002(B)<\/strong>\u00a0\u6eb6\u5242\u5206\u5b50\u4e0e\u4e09\u7ef4\u9499\u949b\u77ff\u8868\u9762\u7684\u7ed3\u5408\u80fd\u8ba1\u7b97\uff08\u5355\u4f4d\uff1aeV\/\u5206\u5b50\uff09\u3002(C<\/strong>\u81f3<\/strong>E)<\/strong>\u00a0\u4e09\u7ef4\u9499\u949b\u77ff\u8868\u9762\u4e0e\u4e59\u8148\uff08C\uff09\u3001\u78b3\u9178\u4e19\u70ef\u916f\uff08D\uff09\u3001\u4e8c\u7532\u57fa\u4e9a\u781c\uff08E\uff09\u7ed3\u5408\u7684\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u578b\u3002(F, G)<\/strong>\u00a0\u539f\u5b50\u529b\u663e\u5fae\u955c\uff08AFM\uff09\u5f62\u8c8c\uff08F\uff09\u4e0e\u5f00\u5c14\u6587\u63a2\u9488\u529b\u663e\u5fae\u955c\uff08KPFM\uff09\u7535\u4f4d\u5206\u5e03\uff08G\uff09\uff1aOcMA:S\u4f53\u7cfb\u7684\u6676\u5185\u7535\u4f4d\u5747\u5300\u6027\u663e\u8457\u4f18\u4e8e\u5bf9\u7167\u7ec4\u3002\u6bd4\u4f8b\u5c3a\uff1a1\u5fae\u7c73\u3002(H)<\/strong>\u00a0\u77ac\u6001\u53cd\u5c04\u5149\u8c31\uff08TRS\uff09\u663e\u793aOcMA:S\u4f53\u7cfb\u7684\u8f7d\u6d41\u5b50\u6269\u6563\u901f\u7387\u66f4\u5feb\uff0850 ps\u518550%\u8f7d\u6d41\u5b50\u8fc1\u79fb\uff09\u3002(I)<\/strong>\u00a0\u77ac\u6001\u5fae\u6ce2\u7535\u5bfc\uff08TRMC\uff09\u8868\u660e\u4e8c\u7ef4\u5c42\u5bf9\u4e09\u7ef4\u4f53\u76f8\u8f7d\u6d41\u5b50\u5bff\u547d\u5f71\u54cd\u6709\u9650<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3. <\/strong>\u5668\u4ef6\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong>\u00a9 2025 AAAS<\/strong><\/p>\n

(A)<\/strong>\u00a0\u57fa\u4e8e\u4e0d\u540c\u4e8c\u7ef4\/\u4e09\u7ef4\u7ed3\u6784\u7684\u51a0\u519b\u5668\u4ef6\u7535\u6d41\u5bc6\u5ea6-\u7535\u538b\u66f2\u7ebf\uff08CBD-SnO\u2082\u57fa\u5e95\uff09\u3002(B)<\/strong>\u00a0\u5668\u4ef6\u6548\u7387\u5206\u5e03\u76f4\u65b9\u56fe\u3002(C)<\/strong>\u00a0OcMA:S\u51a0\u519b\u5668\u4ef6\uff08\u6548\u738725.9%\uff09\u7684\u6ede\u540e\u6548\u5e94\u53ef\u5ffd\u7565\u3002(D)<\/strong>\u00a0\u6700\u5927\u529f\u7387\u70b9\uff08MPP\uff09\u8ddf\u8e2a\u4e0b\u5668\u4ef6\u7a33\u5b9a\u6027\uff1aOcMA:S\u5668\u4ef6\u572840\u201345\u00b0C\u4e0b\u8fd0\u884c1700\u5c0f\u65f6\u4fdd\u630196.4%\u521d\u59cb\u6548\u7387\u3002(E)<\/strong>\u00a0\u6697\u6001\u70ed\u7a33\u5b9a\u6027\u6d4b\u8bd5\uff0865\u201375\u00b0C\uff09\uff1aOcMA:S\u5668\u4ef62100\u5c0f\u65f6\u540e\u6548\u7387\u4fdd\u630186%\u3002(F, G)<\/strong>\u00a0\u9ad8\u6e29MPP\u8ddf\u8e2a\uff1a65\u00b0C\u4e0b800\u5c0f\u65f6\uff0895%\u4fdd\u6301\u7387\uff09\u300185\u00b0C\u4e0b1074\u5c0f\u65f6\uff0891%\u4fdd\u6301\u7387\uff09\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4. <\/strong>\u4e8c\u7ef4\u9499\u949b\u77ff\u5c42\u7684\u52a8\u6001\u6f14\u5316\u673a\u5236\uff1a<\/strong>\u00a9 2025 AAAS<\/strong><\/p>\n

(A)<\/strong>\u00a0\u8001\u5316\u540eOcMA:S\u5668\u4ef6\u7684XRD\u56fe\u8c31\uff1a\u4e8c\u7ef4\uff08n=2\uff09\u76f8\u57282500\u5c0f\u65f6\u5149\u7167\u540e\u672a\u53d1\u751f\u76f8\u53d8\u3002(B)<\/strong>\u00a0\u98de\u884c\u65f6\u95f4\u4e8c\u6b21\u79bb\u5b50\u8d28\u8c31\uff08ToF-SIMS\uff09\u6df1\u5ea6\u5256\u6790\u663e\u793a\uff0c\u4e8c\u7ef4\u5c42\u964d\u89e3\u540e\u79bb\u5b50\uff08\u5982I\u207b\uff09\u5411\u4f20\u8f93\u5c42\u6269\u6563\u52a0\u5267\u3002(C)<\/strong>\u00a0\u4e8c\u7ef4\u5c42\u6f14\u5316\u793a\u610f\u56fe\uff1a\u5bf9\u7167\u7ec4\uff08Oc\uff09\u7684\u6df7\u5408\u76f8\u9010\u6e10\u5206\u89e3\u4e3an=1\u76f8\u548cPbI\u2082\uff0c\u800cOcMA:S\u4f53\u7cfb\u4fdd\u6301\u7eaf\u76f8\u4e8c\u7ef4\u7ed3\u6784\u3002<\/p>\n

\u3010\u79d1\u5b66\u542f\u793a\u3011<\/p>\n

\u6df7\u5408\u6eb6\u5242\u901a\u8fc7\u8c03\u8282\u6eb6\u89e3-\u518d\u7ed3\u6676\u5e73\u8861\uff0c\u53ef\u540c\u65f6\u4f18\u5316\u4e8c\u7ef4\u76f8\u7684\u7ed3\u6676\u6027\u548c\u76f8\u7eaf\u5ea6\uff0c\u4e3a\u9499\u949b\u77ff\u6750\u6599\u5408\u6210\u63d0\u4f9b\u4e86\u666e\u9002\u6027\u65b9\u6cd5\u3002\u672c\u7814\u7a76\u4e0d\u4ec5\u89e3\u51b3\u4e86\u4e8c\u7ef4\u9499\u949b\u77ff\u7684\u7a33\u5b9a\u6027\u96be\u9898\uff0c\u4e5f\u4e3a\u5176\u4ed6\u5c42\u72b6\u6750\u6599\u4f53\u7cfb\uff08\u5982\u91cf\u5b50\u70b9\u3001\u4e8c\u7ef4\u534a\u5bfc\u4f53\uff09\u7684\u52a8\u6001\u7a33\u5b9a\u6027\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u91cd\u8981\u53c2\u8003\u3002<\/p>\n

\u8bba\u6587\u5730\u5740\uff1ahttps:\/\/www.science.org\/doi\/10.1126\/science.adr1334<\/p>\n","protected":false},"excerpt":{"rendered":"

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