{"id":116719,"date":"2017-12-14T06:30:31","date_gmt":"2017-12-13T22:30:31","guid":{"rendered":"\/\/m.iemloyee.com\/?p=116719"},"modified":"2017-12-13T16:34:10","modified_gmt":"2017-12-13T08:34:10","slug":"%e6%96%b0%e5%8a%a0%e5%9d%a1%e5%9b%bd%e7%ab%8b%e5%a4%a7%e5%ad%a6nature%e5%ad%90%e5%88%8a-%e5%9c%a8%e5%88%86%e5%ad%90%e5%b1%82%e9%9d%a2%e6%8f%ad%e7%a4%ba%e7%ba%b3%e7%b1%b3%e9%a2%97%e7%b2%92%e7%9a%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=116719","title":{"rendered":"\u65b0\u52a0\u5761\u56fd\u7acb\u5927\u5b66Nature\u5b50\u520a: \u5728\u5206\u5b50\u5c42\u9762\u63ed\u793a\u7eb3\u7c73\u9897\u7c92\u7684\u751f\u957f\u673a\u7406"},"content":{"rendered":"

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

\u6750\u6599\u5b66\u5bb6\u5728\u63a2\u7d22\u548c\u89e3\u5bc6\u81ea\u7136\u7684\u8fc7\u7a0b\u4e2d\u6700\u5b8f\u4f1f\u7684\u613f\u666f\u662f\u5b9e\u73b0\u5bf9\u529f\u80fd\u6750\u6599\u7684\u201c\u539f\u5b50\u5230\u539f\u5b50\u201d\u7684\u8c03\u63a7\uff0c\u800c\u5b9e\u73b0\u8fd9\u4e00\u5b8f\u613f\u7684\u524d\u63d0\u662f\u5728\u5206\u5b50\u5c3a\u5ea6\u4e0a\u7406\u89e3\u529f\u80fd\u6750\u6599\u7684\u751f\u957f\u5316\u5b66\u3002\u5bf9\u6750\u6599\u751f\u957f\u8fc7\u7a0b\u7684\u7cbe\u786e\u7406\u89e3\u5c24\u5176\u5bf9\u5b9e\u73b0\u7eb3\u7c73\u6750\u6599\u7684\u6309\u9700\u8bbe\u8ba1\u6784\u5efa\u548c\u7ec4\u88c5\u5177\u6709\u91cd\u8981\u610f\u4e49\uff0c\u8fdb\u800c\u53ef\u4ee5\u63a8\u8fdb\u529f\u80fd\u7eb3\u7c73\u6750\u6599\u5728\u6e05\u6d01\u80fd\u6e90\uff0c\u73af\u5883\u76d1\u6d4b\uff0c\u751f\u7269\u533b\u836f\u4ee5\u53ca\u7eff\u8272\u80fd\u6e90\u7b49\u8bf8\u591a\u9886\u57df\u7684\u4ea7\u4e1a\u5316\u5e94\u7528\u3002\u76ee\u524d\uff0c\u88ab\u5b66\u754c\u5e7f\u6cdb\u63a5\u53d7\u7684\u7eb3\u7c73\u9897\u7c92\uff08Nanoparticles\uff09\u751f\u957f\u673a\u7406\u6709\u4e24\u79cd\uff1a\u4e00\u662f\u57fa\u4e8e\u5f02\u8d28\u6210\u6838-\u518d\u751f\u957f\u7684\u62c9\u9ed8\u751f\u957f\uff08LaMer Growth\uff09\uff1b\u53e6\u4e00\u4e2a\u5219\u662f\u57fa\u4e8e\u521d\u7ea7\u9897\u7c92\uff08Primary Particles\uff09\u878d\u5408\u7684\u805a\u96c6\u751f\u957f\uff08Aggregative Growth\uff09\u3002\u5c3d\u7ba1\u8fd9\u4e9b\u751f\u957f\u673a\u7406\u7814\u7a76\u5bf9\u7eb3\u7c73\u6750\u6599\u7684\u5408\u6210\u548c\u5e94\u7528\u5177\u6709\u91cc\u7a0b\u7891\u5f0f\u7684\u6307\u5bfc\u610f\u4e49\uff0c\u4f46\u76ee\u524d\u5bf9\u8fd9\u4e9b\u751f\u957f\u8fc7\u7a0b\u4e2d\u6240\u6d89\u53ca\u7684\u5177\u4f53\u5316\u5b66\u53cd\u5e94\u77e5\u4e4b\u751a\u5c11\u3002<\/p>\n

\u5177\u6709\u539f\u5b50\u7cbe\u5ea6\u7684\u91d1\u5c5e\u56e2\u7c07\uff08Atomically Precise Metal Nanoclusters\uff09\u7684\u53d1\u73b0\u4e3a\u5efa\u7acb\u7eb3\u7c73\u6750\u6599\u751f\u957f\u8fc7\u7a0b\u7684\u7cbe\u7ec6\u5316\u5b66\u5e26\u6765\u4e86\u65b0\u7684\u673a\u9047\u3002\u5177\u6709\u539f\u5b50\u7cbe\u5ea6\u7684\u91d1\u5c5e\u56e2\u7c07\u662f\u4e0a\u4e16\u7eaa90\u5e74\u4ee3\u5174\u8d77\u7684\u4e00\u7c7b\u8d85\u5c0f\u9897\u7c92\uff0c\u5b83\u4eec\u4ee5<3 nm\u7684\u91d1\u5c5e\u6838\u4ee5\u53ca\u7c7b\u4f3c\u5206\u5b50\u7684\u7cbe\u786e\u5316\u5b66\u7ec4\u6210\uff08\u7cbe\u786e\u7684\u5206\u5b50\u5f0f\uff09\u548c\u9ad8\u5bf9\u79f0\u6392\u5217\uff08\u53ef\u901a\u8fc7X-\u5c04\u7ebf\u5355\u6676\u884d\u5c04\u786e\u5b9a\uff09\u4e3a\u57fa\u672c\u7ed3\u6784\u7279\u5f81\u3002\u8fd9\u4e9b\u7c7b\u4f3c\u5206\u5b50\u7684\u7ed3\u6784\u7279\u5f81\u6fc0\u53d1\u4e86\u4e00\u7cfb\u5217\u7c7b\u4f3c\u5206\u5b50\u7684\u6027\u8d28\u7279\u5f81\uff0c\u6bd4\u5982\u79bb\u6563\u7684\u7535\u5b50\u80fd\u7ea7\uff0c\u5f3a\u53d1\u5149\u4ee5\u53ca\u672c\u5f81\u65cb\u5149\u6027\u7b49\u3002\u800c\u5728\u8fd9\u4e00\u8d85\u5c0f\u5c3a\u5ea6\u4e0b\u7684\u5f3a\u91cf\u5b50\u9650\u57df\u6548\u5e94\u53c8\u8d4b\u4e88\u4e86\u8fd9\u4e9b\u6027\u8d28\u5f3a\u5c3a\u5bf8\u654f\u611f\u6027\u3002\u8fd9\u79cd\u5c3a\u5bf8\u654f\u611f\u6027\u4e0d\u4ec5\u4e3a\u8c03\u63a7\u7eb3\u7c73\u56e2\u7c07\u7684\u6027\u8d28\u63d0\u4f9b\u4e86\u4e00\u6761\u91cd\u8981\u9014\u5f84\uff1b\u800c\u4e14\uff0c\u53cd\u89c2\u4e4b\uff0c\u53c8\u53ef\u4ee5\u88ab\u8fd0\u7528\u5230\u7eb3\u7c73\u56e2\u7c07\u7684\u5c3a\u5bf8\u548c\u7ed3\u6784\u53d8\u5316\u7684\u5b9e\u65f6\u76d1\u6d4b\u4e2d\u3002\u57fa\u4e8e\u8fd9\u79cd\u5c3a\u5bf8\u53d8\u5316\u76d1\u6d4b\u4e0a\u7684\u4fbf\u6377\u6027\uff0c\u4ee5\u53ca\u5728\u5408\u6210\u548c\u8868\u5f81\u4e0a\u7684\u539f\u5b50\u7ea7\u7cbe\u786e\u6027\uff0c\u91d1\u5c5e\u7eb3\u7c73\u56e2\u7c07\u5177\u5907\u6210\u957f\u6210\u4e3a\u7528\u4ee5\u7cbe\u786e\u89e3\u5bc6\u7eb3\u7c73\u6750\u6599\u751f\u957f\u5316\u5b66\u7684\u4f18\u8d28\u6a21\u578b\u7cfb\u7edf\u7684\u6f5c\u8d28\u3002<\/p>\n

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

\u9274\u4e8e\u6b64\uff0c\u65b0\u52a0\u5761\u56fd\u7acb\u5927\u5b66\u8c22\u5efa\u5e73\u6559\u6388<\/strong>\u548c\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u6cb3\u6ee8\u5206\u6821\u6c5f\u5fb7\u6069\u6559\u6388\u8bfe\u9898\u7ec4<\/strong>\u901a\u8fc7\u7ecf\u5e74\u5408\u4f5c\uff0c\u8fd0\u7528\u7406\u8bba\u52a0\u5b9e\u9a8c\u7684\u6a21\u5f0f\uff0c\u8ddf\u8e2a\u4e86\u91d1\u5c5e\u7eb3\u7c73\u56e2\u7c07\u7684\u5f62\u6210\u548c\u518d\u751f\u957f\u8fc7\u7a0b\uff0c\u5728\u5206\u5b50\u5c3a\u5ea6\u4e0a\u63ed\u793a\u4e86\u7eb3\u7c73\u6750\u6599\u751f\u957f\u7684\u79d8\u5bc6\u3002\u76f8\u5173\u6587\u7ae0\u53d1\u8868\u4e8eJournal of the American Chemical Society<\/strong>\uff082014\u5e747\u670811\u65e5\uff09\u548cNature Communications<\/strong>\uff082017\u5e7410\u670813\u65e5\uff09\u4e0a\u3002<\/p>\n

\u8be5\u56e2\u961f\u4ee5\u91d1\u7eb3\u7c73\u56e2\u7c07\u4e3a\u6a21\u578b\u4f53\u7cfb\uff0c\u901a\u8fc7\u5149\u8c31\u548c\u8d28\u8c31\u624b\u6bb5\uff0c\u7cfb\u7edf\u8ddf\u8e2a\u4e86\u4ece\u91d1(I)-\u786b\u9187\u914d\u5408\u7269\uff08Au(I)-SR complex\uff09\u8fd8\u539f\u751f\u957f\u4e3a[Au25<\/sub>(SR)18<\/sub>]–<\/sup>\u56e2\u7c07\uff0c\u8fdb\u800c\u4ee5[Au25<\/sub>(SR)18<\/sub>]–<\/sup>\u4f5c\u4e3a\u518d\u751f\u957f\u70b9\u5408\u6210[Au38<\/sub>(SR)24<\/sub>]0<\/sup>\u4ee5\u53ca[Au44<\/sub>(SR)26<\/sub>]2-<\/sup>\u56e2\u7c07\u7684\u6574\u4e2a\u751f\u957f\u8fc7\u7a0b\u3002\u901a\u8fc7\u5bf9\u8fd9\u4e00\u751f\u957f\u8fc7\u7a0b\u4e2d\u6240\u6709\u53ef\u8bc6\u522b\u4e2d\u95f4\u4f53\u7684\u4e30\u5ea6\u7684\u8ddf\u8e2a\uff0c\u8be5\u56e2\u961f\u4e3a\u8fd9\u4e00\u56e2\u7c07\u751f\u957f\u8fc7\u7a0b\u4e2d\u7684\u6bcf\u4e00\u57fa\u5143\u6b65\u9aa4\u63d0\u51fa\u4e86\u5355\u6b65\u53cd\u5e94\u65b9\u7a0b\u5f0f\u3002\u57fa\u4e8e\u8fd9\u4e00\u7cfb\u5217\u7684\u53cd\u5e94\u65b9\u7a0b\u5f0f\uff0c\u8be5\u56e2\u961f\u53d1\u73b0\u7eb3\u7c73\u56e2\u7c07\u7684\u751f\u957f\u662f\u7531\u5728\u8fd8\u539f\u73af\u5883\u4e0b\u56e2\u7c07\u4ef7\u7535\u5b50\u6570\uff08Valence Electron Count\uff09\u76842\u7535\u5b50\u9636\u8dc3\u5f0f\u589e\u957f\u9a71\u52a8\u7684\u3002\u9664\u4e86\u9a71\u52a8\u529b\u7684\u7814\u7a76\u5916\uff0c\u8be5\u56e2\u961f\u8fd8\u53d1\u73b0\u7eb3\u7c73\u56e2\u7c07\u7684\u751f\u957f\u662f\u7531\u8fd8\u539f\u6027\u7269\u79cd\uff08\u5982CO\uff09\u5728\u56e2\u7c07\u7684\u91d1\u5c5e\u6838\u4e0a\uff08\u5982[Au25<\/sub>(SR)18<\/sub>]–<\/sup>\u56e2\u7c07\uff09\u7684\u9009\u62e9\u6027\u5438\u9644\u8bf1\u5bfc\u7684\u3002\u5c3d\u7ba1\u56e2\u7c07\u751f\u957f\u5177\u6709\u4e00\u81f4\u7684\u9a71\u52a8\u529b\uff08\u4ef7\u7535\u5b50\u6570\u7684\u9636\u8dc3\u5f0f\u589e\u957f\uff09\uff0c\u4f46\u56e2\u7c07\u751f\u957f\u7684\u5177\u4f53\u8def\u5f84\u53ef\u4ee5\u662f\u591a\u79cd\u591a\u6837\u7684\uff1a\u6bd4\u5982\u5728[Au44<\/sub>(SR)26<\/sub>]2-<\/sup>\u56e2\u7c07\u7684\u5f62\u6210\u8fc7\u7a0b\u4e2d\uff0c\u65e2\u89c2\u5bdf\u5230\u4e86\u5355\u8c03\u9012\u589e\u7684\u62c9\u9ed8\u751f\u957f\u6a21\u5f0f\uff0c\u53c8\u89c2\u5bdf\u5230\u4e86\u706b\u5c71\u5f62\u7684\u805a\u96c6\u751f\u957f\u6a21\u5f0f\u3002<\/p>\n

\"\"<\/strong><\/p>\n

\uff08[Au44<\/sub>(SR)26<\/sub>]2<\/sup>–<\/sup>\u7684\u751f\u957f\u793a\u610f\u56fe\u3002\u68d5\u8272\u7403\uff1a\u786b\u539f\u5b50\uff1b\u9ec4\u8272\u7403\uff1a\u91d1\u539f\u5b50\uff09<\/p>\n

\u00a0<\/strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\uff08\u4ee5\u4e0b\u56fe\u7247\u6765\u81ea\u4f5c\u8005\uff09<\/p>\n

\u56fe<\/strong>1. <\/strong>[Au<\/strong>25<\/sub><\/strong>(SR)<\/strong>18<\/sub><\/strong>]<\/strong>–<\/sup><\/strong>\u56e2\u7c07\uff08\u79cd\u5b50\uff09\u548c<\/strong>[Au<\/strong>44<\/sub><\/strong>(SR)<\/strong>26<\/sub><\/strong>]2<\/sup><\/strong>–<\/sup><\/strong>\u56e2\u7c07\uff08\u4ea7\u7269\uff09\u7684\u8868\u5f81\u7ed3\u679c<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

a: \u751f\u957f\u53cd\u5e94\u793a\u610f\u56fe\uff1b<\/p>\n

b, c: [Au25<\/sub>(SR)18<\/sub>]–<\/sup>\u56e2\u7c07\uff08b\uff09\u548c[Au44<\/sub>(SR)26<\/sub>]2-<\/sup>\u56e2\u7c07\uff08c\uff09\u7684\u7d2b\u5916-\u53ef\u89c1\u5438\u6536\u5149\u8c31\u3002\u63d2\u56fe\u4e3a\u56e2\u7c07\u6eb6\u6db2\u7684\u7167\u7247\uff1b<\/p>\n

d, e: [Au25<\/sub>(SR)18<\/sub>]–<\/sup>\u56e2\u7c07\uff08d\uff09\u548c[Au44<\/sub>(SR)26<\/sub>]2-<\/sup>\u56e2\u7c07\uff08e\uff09\u7684\u8d28\u8c31\u56fe\u3002<\/p>\n

\u56fe<\/strong>2. <\/strong>[Au<\/strong>44<\/sub><\/strong>(SR)<\/strong>26<\/sub><\/strong>]<\/strong>2-<\/sup><\/strong>\u56e2\u7c07\u751f\u957f\u8fc7\u7a0b\u4e2d\u7d2b\u5916\u53ef\u89c1\u5149\u8c31\u968f\u65f6\u95f4\u7684\u53d8\u5316<\/strong><\/p>\n

\"\"<\/strong>\u63d2\u56fe\u4e3a\u5728\u4e0d\u540c\u65f6\u95f4\u4e0b\u56e2\u7c07\u6eb6\u6db2\u7684\u989c\u8272\u3002<\/p>\n

\u56fe<\/strong>3. <\/strong>[Au<\/strong>44<\/sub><\/strong>(SR)<\/strong>26<\/sub><\/strong>]<\/strong>2-<\/sup><\/strong>\u56e2\u7c07\u751f\u957f\u8fc7\u7a0b\u4e2d\u8d28\u8c31\u968f\u65f6\u95f4\u7684\u53d8\u5316<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

a: \u56e2\u7c07\u5728\u4f4em\/z<\/em>\u7aef\u7684\u8d28\u8c31\u56fe\uff1b<\/p>\n

b: \u56e2\u7c07\u5728\u9ad8m\/z<\/em>\u7aef\u7684\u8d28\u8c31\u56fe\uff1b\u5728\u6b64\u8d28\u8c31\u5206\u6790\u4e2d\uff0c\u603b\u5171\u670935\u4e2aAu(I)-SR \u914d\u5408\u7269\u6216Au\u56e2\u7c07\u4e2d\u95f4\u4f53\u88ab\u8bc6\u522b\u5e76\u8ddf\u8e2a\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>. [Au<\/strong>44<\/sub><\/strong>(SR)<\/strong>26<\/sub><\/strong>]<\/strong>2-<\/sup><\/strong>\u56e2\u7c07\u751f\u957f\u8fc7\u7a0b\u4e2d\u6240\u6709\u53cd\u5e94\u4e2d\u95f4\u4f53\u4e30\u5ea6\u968f\u65f6\u95f4\u7684\u53d8\u5316<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

\u56fe<\/strong>5. <\/strong>[Au<\/strong>44<\/sub><\/strong>(SR)<\/strong>26<\/sub><\/strong>]<\/strong>2-<\/sup><\/strong>\u56e2\u7c07\u7684\u751f\u957f\u793a\u610f\u56fe\"\"<\/strong>a: [Au44<\/sub>(SR)26<\/sub>]2-<\/sup>\u56e2\u7c07\u7684\u751f\u957f\u8fc7\u7a0b\u4e2d\u91cd\u8981\u4e2d\u95f4\u4f53\u7684\u80fd\u91cf\u793a\u610f\u56fe\uff1b<\/p>\n

b: [Au44<\/sub>(SR)26<\/sub>]2-<\/sup>\u56e2\u7c07\u7684\u751f\u957f\u8def\u5f84\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe6<\/strong>. <\/strong>\u8bf1\u5bfc<\/strong>[Au<\/strong>25<\/sub><\/strong>(SR)<\/strong>18<\/sub><\/strong>CO]<\/strong>–<\/sup><\/strong>\u56e2\u7c07\u518d\u751f\u957f\u7684<\/strong>[Au<\/strong>25<\/sub><\/strong>(SR)<\/strong>18<\/sub><\/strong>CO]<\/strong>–<\/sup><\/strong>\u4e2d\u95f4\u4f53\u7684\u8d28\u8c31<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

[Au25<\/sub>(SR)18<\/sub>CO]–<\/sup>\u4e2d\u95f4\u4f53\u7684\u6210\u529f\u6355\u83b7\u8868\u660e\u91d1\u5c5e\u56e2\u7c07\u7684\u751f\u957f\u662f\u7531\u8fd8\u539f\u6027\u7269\u79cd\u5728\u56e2\u7c07\u91d1\u5c5e\u6838\u4e0a\u7684\u9009\u62e9\u6027\u5438\u9644\u8bf1\u5bfc\u7684\u3002<\/strong><\/p>\n

\u56fe7<\/strong>. <\/strong>[Au<\/strong>38<\/sub><\/strong>(SR)<\/strong>24<\/sub><\/strong>]<\/strong>0<\/sup><\/strong>\u56e2\u7c07\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

a: [Au38<\/sub>(SR)24<\/sub>]0<\/sup>\u56e2\u7c07\u7684\u7d2b\u5916-\u53ef\u89c1\u5438\u6536\u5149\u8c31\u3002\u63d2\u56fe\u4e3a\u56e2\u7c07\u6eb6\u6db2\u7684\u7167\u7247\uff1b<\/p>\n

b: [Au38<\/sub>(SR)24<\/sub>]0<\/sup>\u56e2\u7c07\u7684\u8d28\u8c31\u3002<\/p>\n

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

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\u81f4\u8c22\uff1a<\/strong>\u4e0a\u8ff0\u76f8\u5173\u7814\u7a76\u5f97\u5230\u4e86\u65b0\u52a0\u5761\u6559\u80b2\u90e8(Grant No. R-279-000-481-112\uff1bR-279-000-409-112)\u548c\u7f8e\u56fd\u80fd\u6e90\u90e8\u7684\u8d44\u52a9\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong><\/p>\n

    \n
  1. Understanding seed-mediated growth of gold nanoclusters at molecular level. <\/a>(Nat\u00a0 Commun. <\/em>2017,\u00a0doi<\/abbr>:10.1038\/s41467-017-00970-1)<\/li>\n
  2. Toward understanding the growth mechanism: tracing all stable intermediate species from reduction of Au(I)\u2013thiolate complexes to evolution of Au25<\/sub><\/a>\u00a0(J. Am. Chem. Soc.\u00a0 2014, doi:\u00a0<\/strong>10.1021\/ja505429f)<\/li>\n<\/ol>\n

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