{"id":22200,"date":"2016-06-26T01:28:19","date_gmt":"2016-06-25T17:28:19","guid":{"rendered":"\/\/m.iemloyee.com\/?p=22200"},"modified":"2016-06-26T01:40:50","modified_gmt":"2016-06-25T17:40:50","slug":"science%e6%b7%b1%e5%ba%a6%e8%a7%a3%e8%af%bb%ef%bc%9a%e9%a6%96%e4%b8%aa%e7%ba%b3%e7%b1%b3%e5%be%ae%e7%b2%92%e5%9b%be%e4%b9%a6%e9%a6%86","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=22200","title":{"rendered":"Science\u6df1\u5ea6\u89e3\u8bfb\uff1a\u7eb3\u7c73\u5fae\u7c92\u201c\u56fe\u4e66\u9986\u201d\u662f\u5982\u4f55\u201c\u70bc\u201d\u6210\u7684!"},"content":{"rendered":"
<\/p>\n
\u5f15\u8bed\uff1a<\/strong> \u7f8e\u56fd\u897f\u5317\u5927\u5b66\u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u7b49\u5b66\u90e8\u7684Chad A. Mirkin\uff08\u4e0b\u5de6\uff09\u8bfe\u9898\u7ec4\u53ca\u5408\u4f5c\u8005Vinayak P. Dravid\uff08\u4e0b\u53f3\uff09\u7b49\u5229\u7528\u539f\u5b50\u529b\u663e\u5fae\u955c\u7684\u8d85\u5c0f\u5c16\u7aef\u4f5c\u4e3a\u7fbd\u6bdb\u7b14\uff0c\u7528\u542b\u6709\u4e94\u79cd\u91d1\u5c5e\u5143\u7d20\uff08Au\u3001Ag\u3001Ni\u3001Cu\u3001Co\uff09\u7684\u805a\u5408\u7269\u524d\u9a71\u4f53\u6eb6\u6db2\u4f5c\u4e3a\u58a8\u6c34\uff0c\u901a\u8fc7\u5728\u5e73\u6574\u57fa\u4f53\u4e0a\u8f7b\u64e6\u4e00\u6ef4\u58a8\u6c34\uff0c\u7ee7\u800c\u5229\u7528\u4e24\u79cd\u72ec\u7acb\u7684\u70ed\u5904\u7406\u65b9\u5f0f\u6765\u56fa\u5316\u7eb3\u7c73\u7c92\u5b50\u30021\uff0c\u8f83\u4f4e\u6e29\u5ea6\uff0c\u628a\u91d1\u5c5e\u79bb\u5b50\u4ece\u58a8\u6c34\u4e2d\u63d0\u53d6\u51fa\u6765\u30022\uff0c\u8f83\u9ad8\u6e29\u5ea6\uff0c\u84b8\u53d1\u58a8\u6c34\u5f97\u5230\u56fa\u6001\u7eb3\u7c73\u7c92\u5b50\u3002\u6700\u7ec8\u6210\u529f\u5236\u5f97\u4e86\u4e94\u79cd\u91d1\u5c5e\u7684\u5168\u90e831\u79cd\u7ec4\u5408\u65b9\u5f0f\u7684\u7eb3\u7c73\u7c92\u5b50\u3002<\/p>\n \u80cc\u666f\u7b80\u4ecb<\/strong><\/p>\n \u591a\u91d1\u5c5e\u7eb3\u7c73\u5fae\u7c92\u7528\u9014\u5e7f\u6cdb\uff0c\u5305\u62ec\u50ac\u5316\u3001\u8868\u9762\u7b49\u79bb\u5b50\u4f53\u6fc0\u5143\u5b66\u3001\u751f\u7269\u6210\u50cf\u7b49\u3002\u5728\u50ac\u5316\u7b49\u9886\u57df\uff0c\u591a\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\u5f80\u5f80\u6027\u80fd\u4f18\u4e8e\u5176\u5404\u81ea\u7684\u7eaf\u7ec4\u5206\u7eb3\u7c73\u7c92\u5b50\u3002\u4f46\u662f\u76ee\u524d\u5e76\u6ca1\u6709\u4e00\u4e2a\u6709\u6548\u7684\u7b56\u7565\uff0c\u6765\u5408\u6210\u8fd9\u79cd\u7ed3\u6784\u7684\u201c\u56fe\u4e66\u9986\u201d\uff0c\u4ee5\u4f9b\u5316\u5b66\u5bb6\u901a\u8fc7\u7cfb\u7edf\u548c\u5b9a\u4f4d\u7684\u65b9\u6cd5\u6765\u63a2\u7d22\u3002<\/p>\n \u76ee\u524d\uff0c\u4e00\u5143\u3001\u4e8c\u5143\u3001\u4e09\u5143\u7eb3\u7c73\u7ed3\u6784\u5df2\u7ecf\u53ef\u4ee5\u901a\u8fc7\u4e00\u7cfb\u5217\u5408\u6210\u6280\u672f\u6765\u5408\u6210\u3002<\/span>\u591a\u79cd\u91d1\u5c5e\u5728\u7eb3\u7c73\u5c3a\u5bf8\u4e0a\u7684\u53ef\u63a7\u7ec4\u5408\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6709\u6548\u7684\u624b\u6bb5\uff0c\u6765\u8c03\u8282\u7eb3\u7c73\u7c92\u5b50\u7684\u7269\u5316\u6027\u8d28\u3002\u4e3b\u8981\u9014\u5f84\u6709\u4e8c\uff1a1\uff0c\u901a\u8fc7\u5728\u91d1\u5c5e\u7ec4\u5206\u95f4\u4ea7\u751f\u5316\u5b66\u3001\u7535\u5b66\u6216\u78c1\u529b\u4f5c\u7528\uff1b2\uff0c\u901a\u8fc7\u7ec4\u5408\u5404\u7eaf\u7ec4\u5206\uff0c\u4ee5\u671f\u83b7\u5f97\u5176\u4e0d\u540c\u7684\u7279\u6027\u3002<\/p>\n \u8fc4\u4eca\u4e3a\u6b62\uff0c\u79d1\u5b66\u5bb6\u5df2\u7ecf\u5f00\u53d1\u51fa\u4e00\u4e9b\u5de5\u5177\u6765\u8868\u5f81\u5b8f\u89c2\u591a\u7ec4\u5206\u6750\u6599\u7684\u7a7a\u95f4\u7ec4\u5206\u4fe1\u606f\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u6b64\u524d\u7f8e\u56fd\u897f\u5317\u5927\u5b66\u7684Mallouk \u7b49\u5229\u7528\u55b7\u58a8\u6253\u5370\u6280\u672f\u5236\u5907\u51fa\u4e00\u4e2a\u591a\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u7ec4\u5206\u56fe\u4e66\u9986\uff08\u6216\u8005\u79f0\u5176\u4e3a\u201c\u667a\u80fd\u5e93\u201c\uff09\uff0c\u7ee7\u800c\u53d1\u73b0\u4e86\u56db\u5143\u7684\u7535\u5316\u5b66\u50ac\u5316\u5242\u3002\u4e0d\u8fc7\uff0c\u5728\u7eb3\u7c73\u5c3a\u5ea6\u4e0a\uff0c\u591a\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\u7684\u53ef\u63a7\u5408\u6210\u548c\u5b9a\u4f4d\u7684\u7cfb\u7edf\u7814\u7a76\u65e5\u76ca\u91cd\u8981\u3002<\/span>\u5bf9\u4e8e\u7eb3\u7c73\u7c92\u5b50\u5408\u6210\uff0c\u57fa\u4e8e\u5927\u5757\u6eb6\u6db2\u3001\u5fae\u6d41\u4f53\u3001\u5fae\u4e73\u6db2\u7b49\u7684\u65b9\u6cd5\u5df2\u7ecf\u53d6\u5f97\u4e86\u91cd\u8981\u8fdb\u5c55\uff0c\u4f46\u8fd9\u4e9b\u65b9\u6cd5\u5747\u4e0d\u80fd\u591f\u4f5c\u4e3a\u901a\u7528\u7684\u65b9\u6cd5\u6765\u7cfb\u7edf\u6d4b\u8bd5\u7ec4\u5206\u7684\u5dee\u5f02\uff0c\u5c24\u5176\u5bf9\u4e8e\u8d85\u8fc7\u4e09\u79cd\u5143\u7d20\u7684\u7eb3\u7c73\u7c92\u5b50\u6765\u8bf4\u5c24\u4e3a\u56f0\u96be\u3002<\/p>\n \u7136\u800c\uff0cSPBCL\u6cd5\uff08scanning-probe block copolymer lithography\uff0c\u626b\u63cf-\u63a2\u9488\u5d4c\u6bb5\u5171\u805a\u7269\u5149\u523b\uff09\u53ef\u4ee5\u5c06attoliter\uff08\u5fae\u5c0f\uff09\u4f53\u79ef\u542b\u91d1\u5c5e\u79bb\u5b50\u7684\u524d\u9a71\u4f53\u805a\u5408\u7269\u8f6c\u79fb\u5230\u57fa\u4f53\u7684\u7279\u5b9a\u4f4d\u7f6e\uff0c\u4ea7\u751f\u4e00\u4e2a\u7eb3\u7c73\u53cd\u5e94\u5668\uff0c\u8fdb\u4e00\u6b65\u901a\u8fc7\u70ed\u5904\u7406\u5373\u53ef\u5f97\u5230\u56fa\u6001\u7eb3\u7c73\u7c92\u5b50\u3002\u5728\u53cc\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\u548c\u4e09\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\u65b9\u9762\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u5df2\u7ecf\u88ab\u8bc1\u660e\u884c\u4e4b\u6709\u6548\u3002<\/p>\n \u56e0\u4e3aSPBCL\u53ef\u4ee5\u5728\u51e0\u5e73\u623f\u5398\u7c73\u5927\u5c0f\u7684\u533a\u57df\u5229\u7528\u6570\u4ee5\u767e\u4e07\u8ba1\u7684\u7684\u5c16\u5934\uff0c\u6240\u4ee5\uff0c\u7406\u8bba\u4e0a\u6765\u8bf4\uff0c\u53ef\u4ee5\u751f\u4ea7\u6570\u4e0d\u80dc\u6570\u7684\u805a\u5408\u7269\u7c7b\u578b\u7684\u7eb3\u7c73\u7c92\u5b50\u3002<\/span>\u8be5\u6280\u672f\u5728\u7eb3\u7c73\u7ec4\u5408\u65b9\u9762\u5927\u6709\u53ef\u4e3a\uff0c\u53ef\u4ee5\u751f\u4ea7\u8bb8\u591a\u65b0\u578b\u7eb3\u7c73\u7c92\u5b50\uff0c\u8fd9\u5176\u4e2d\u6709\u5f88\u591a\u662f\u4f20\u7edf\u6280\u672f\u6240\u65e0\u6cd5\u5f97\u5230\u7684\u3002\u4e3a\u4e86\u9a8c\u8bc1\u8be5\u5047\u8bbe\uff0cChad A. Mirkin\u7b49\u901a\u8fc7SPBCL\u6210\u529f\u8fdb\u884c\u4e86\u4e94\u79cd\u91d1\u5c5e\u7684\u591a\u7ec4\u5206\u5408\u6210\u3002\u7ed3\u679c\u8bc1\u660e\uff0c\u4e8c\u5143\u3001\u4e09\u5143\u3001\u56db\u5143\u53ca\u4e94\u5143\u7684\u6240\u6709\u7ec4\u6210\u7684\u7eb3\u7c73\u7c92\u5b50\u53ef\u4ee5\u901a\u8fc7SPBCL\u5408\u6210\uff0c\u5e76\u901a\u8fc7STEM\uff08\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff09\u548cEDS\uff08\u80fd\u91cf\u5f25\u6563X\u5c04\u7ebf\u8c31\uff09\u8fdb\u884c\u4e86\u8868\u5f81\u3002<\/p>\n \u56fe\u6587\u89e3\u8bfb<\/strong><\/p>\n \u4e3a\u4e86\u5408\u6210\u8fd9\u4e9b\u7eb3\u7c73\u7c92\u5b50\uff0c\u4f5c\u8005\u5229\u7528\u9884\u5148\u52a0\u4e0a\u5408\u9002\u91d1\u5c5e\u76d0\u524d\u9a71\u4f53\u7684\u805a\u5408\u7269\u4f5c\u4e3a\u58a8\u6c34\uff0c\u901a\u8fc7\u8638\u7b14\u7eb3\u7c73\u5149\u523b\u6280\u672f\u5c06\u5176\u6ef4\u5728\u57fa\u4f53\u4e0a\uff0c\u5f62\u6210\u534a\u7403\u5f62\u7a79\u9876\u7ed3\u6784\u3002\u6ef4\u5728\u57fa\u4f53\u4e0a\u540e\uff0c\u901a\u8fc7\u4e24\u6b65\u70ed\u9000\u706b\u4f7f\u5176\u56fa\u5316\uff1a1\uff0c\u5728\u6c29\u6c14\u6c1b\u56f4\u4e2d\uff0c120\u2103\u4e0b\u53cd\u5e9448h\uff0c\u4ee5\u4f7f\u91d1\u5c5e\u76d0\u5728\u805a\u5408\u7269\u7a79\u9876\u4e2d\u805a\u96c6\u30022\uff0c\u5728\u6d41\u52a8\u7684\u6c22\u6c14\u4e2d\uff0c500\u2103\u4e0b\u53cd\u5e9412h\uff0c\u4ee5\u4f7f\u805a\u5408\u7269\u5206\u89e3\uff0c\u805a\u96c6\u7684\u91d1\u5c5e\u7c92\u5b50\u8fd8\u539f\u5408\u5e76\u5f62\u6210\u91d1\u5c5e\u7684\u7eb3\u7c73\u7c92\u5b50\uff1b\u5728\u5982\u6b64\u9ad8\u7684\u6761\u4ef6\u4e0b\u8fdb\u884c\u957f\u65f6\u95f4\u70ed\u5904\u7406\uff0c\u63a5\u7740\u91d1\u5c5e\u5143\u7d20\u5f62\u6210\u4e00\u4e2a\u7a33\u5b9a\u7684\u7ed3\u6784\uff08\u5408\u91d1\u6216\u76f8\u5206\u79bb\uff09\uff0c\u8fd9\u53d6\u51b3\u4e8e\u91d1\u5c5e\u7684\u76f8\u5bb9\u6027\u3002\u5982\u56fe1.A<\/p>\n \u56fe1 \u5229\u7528SPBCL\u5408\u6210\u7eb3\u7c73\u7c92\u5b50\u539f\u7406\u56fe\u793a\u53ca\u5408\u6210\u5355\u5143\u3001\u591a\u5143\u7eb3\u7c73\u7c92\u5b50\u6c47\u603b<\/strong><\/p>\n \u5b66\u8005\u5206\u522b\u5236\u5907\u4e86\u4e00\u5143\u3001\u4e8c\u5143\u3001\u4e09\u5143\u3001\u56db\u5143\u7684\u7eb3\u7c73\u7c92\u5b50\uff0c\u4f9d\u6b21\u4e3a\u5927\u5bb6\u4ecb\u7ecd\u3002\u5982\u56fe1.B-F\u3002<\/span><\/strong><\/p>\n \u4e00\u5143\uff08\u56fe1.B\uff09\u3002<\/strong>\u805a\u5408\u7269\u58a8\u6c34\u4e2d\u4ec5\u542b\u6709\u5355\u79cd\u91d1\u5c5e\u79bb\u5b50\u524d\u9a71\u4f53\u3002<\/span>\u901a\u8fc7SPBCL\u6cd5\u5236\u5907\u4e86\u76f4\u5f84\u5b9a\u5236\u4e3a\u7ea640nm\u7684Au\u3001Ag\u3001Ni\u3001Cu\u3001Co\u7eb3\u7c73\u7c92\u5b50\uff0c\u7eb3\u7c73\u7c92\u5b50\u7684\u5c3a\u5bf8\u53ef\u901a\u8fc7\u8c03\u8282\u805a\u5408\u7269\u7eb3\u7c73\u53cd\u5e94\u5668\u7684\u4f53\u79ef\u548c\u91d1\u5c5e\u542b\u91cf\u6765\u63a7\u5236\u3002\u4ea7\u7269\u7528STEM\u548cEDS\u6765\u8fdb\u884c\u8868\u5f81\u3002\u89c1\u56fe2\u3002<\/p>\n \u56fe2 \u00a0\u5229\u7528SPBCL\u5408\u6210\u4e00\u5143\u7eb3\u7c73\u7c92\u5b50\u7684STEM\u548cEDS\u8868\u5f81<\/strong><\/p>\n \u56fe\u4e2d\u767d\u8272\u6807\u5c3a: 15nm\u3002<\/p>\n \u4e8c\u5143\uff08\u56fe1.C\uff09\u3002<\/strong>\u805a\u5408\u7269\u58a8\u6c34\u4e2d\u542b\u6709\u7b49\u91cf\u7684\u4e24\u79cd\u91d1\u5c5e\u79bb\u5b50\u524d\u9a71\u4f53\u3002<\/span>5\u79cd\u5143\u7d20\u768410\u79cd\u7ec4\u5408\u4e2d\uff0c4\u79cd\u5f97\u5230\u5408\u91d1\uff0cEDS\u8c31\u56fe\u7684\u91cd\u53e0\u9a8c\u8bc1\u4e86\u8fd9\u4e00\u70b9\uff1b6\u79cd\u5f97\u5230\u5f02\u8d28\u4e8c\u805a\u4f53\uff0c\u76f8\u805a\u96c6\u5728\u5404\u81ea\u7684\u5355\u5143\u7ec4\u5206\u4e2d\u3002STEM\u8868\u660e\u4e24\u79cd\u91d1\u5c5e\u57df\u4e2d\u539f\u5b50\u6570\u91cf\u7684\u4e0d\u540c\uff0cEDS\u9a8c\u8bc1\u4e86\u7ec4\u6210\u7eb3\u7c73\u7c92\u5b50\u7684\u5927\u591a\u6570\u5143\u7d20\u4ea7\u751f\u5206\u79bb\u3002\u89c1\u56fe3\u3002<\/p>\n \u56fe3 \u00a0\u5229\u7528SPBCL\u5408\u6210\u4e8c\u5143\u7eb3\u7c73\u7c92\u5b50\u7684STEM\u548cEDS\u8868\u5f81<\/strong><\/p>\n (A) AuAg (48% Au, 52% Ag), (B) AuCo (55% Au, 45%Co), (C) AuNi (54% Au, 46% Ni), (D) AuCu (49% Au, 51% Cu), (E) AgCu (42% Ag,58% Cu), (F) AgNi (57% Ag, 43% Ni), (G) AgCo (63% Ag, 37% Co), (H) CuNi (58%Cu, 42% Ni), (I) CuCo (41% Cu, 59% Co), (J) CoNi (60% Co, 40% Ni).\u3002\u56fe\u4e2d\u767d\u8272\u6807\u5c3a: 15nm\u3002<\/p>\n \u4e09\u5143\uff08\u56fe1.D\uff09\u3002<\/strong><\/span>\u901a\u8fc7\u4f20\u7edf\u65b9\u6cd5\u5408\u6210\u4e09\u5143\u7eb3\u7c73\u7c92\u5b50\u901a\u8fc7\u53d7\u963b\u4e8e\u4e09\u70b9\uff1a1.\u4e0d\u540c\u91d1\u5c5e\u79bb\u5b50\u524d\u9a71\u4f53\u7684\u8fd8\u539f\u52a8\u529b\u5b66\uff1b2\uff0c\u5982\u4f55\u63a7\u5236\u5404\u91d1\u5c5e\u533a\u57df\u9009\u62e9\u6210\u6838\u800c\u4e0d\u662f\u7b80\u5355\u5f62\u6210\u591a\u7ec4\u5206\u7ed3\u6784\uff1b3\uff0c\u5982\u4f55\u63a7\u5236\u7eb3\u7c73\u5c3a\u5ea6\u7684\u76f8\u805a\u96c6\u3002\u7136\u800c\uff0c\u901a\u8fc7SPBCL\u65b9\u6cd5\u53ef\u4ee5\u5f88\u5bb9\u6613\u5408\u6210\u4e09\u5143\u7eb3\u7c73\u7c92\u5b50\u3002\u56e0\u4e3a\u5176\u5c06\u524d\u9a71\u4f53\u79bb\u5b50\u7f6e\u4e8e\u5355\u4e2a\u7684\u7eb3\u7c73\u53cd\u5e94\u5668\u4e2d\uff0c\u4f7f\u5176\u751f\u6210\u5355\u4e00\u7684\u7c92\u5b50\uff0c\u56e0\u6b64\u7ed5\u8fc7\u4e86\u524d\u9a71\u4f53\u8fd8\u539f\u7684\u95ee\u9898\u548c\u5143\u7d20\u7cbe\u786e\u6210\u6838\u95ee\u9898\u3002<\/p>\n \u4e09\u5143\u7ec4\u5206\u7eb3\u7c73\u7c92\u5b50\u6bd4\u8f83\u590d\u6742\uff0c\u53ef\u5206\u4e3a\u56db\u7c7b\uff1a1\uff0c\u4e09\u7ec4\u5206\u4e24\u4e24\u76f8\u5bb9\uff1b2\uff0c\u4e24\u7ec4\u5206\u76f8\u5bb9\uff0c\u7b2c\u4e09\u7ec4\u5206\u4e0e\u524d\u4e24\u7ec4\u5206\u5747\u4e0d\u76f8\u5bb9\uff1b3\uff0c\u4e09\u8005\u4e24\u4e24\u4e0d\u76f8\u5bb9\uff1b4\uff0c\u4e24\u7ec4\u5206\u4e0d\u76f8\u5bb9\uff0c\u5747\u548c\u7b2c\u4e09\u7ec4\u5206\u76f8\u5bb9\u3002\u73b0\u5206\u522b\u8bf4\u660e\u3002<\/p>\n 1\uff0c\u4e09\u7ec4\u5206\u4e24\u4e24\u76f8\u5bb9\u3002<\/span>\u4e4b\u524d\u6709\u8fc7\u62a5\u9053\uff0c\u4f46\u662f\u672c\u5b9e\u9a8c\u5e76\u6ca1\u6709\u5f97\u5230\u8fd9\u79cd\u7c7b\u578b\u3002<\/p>\n 2\uff0c\u4e24\u7ec4\u5206\u76f8\u5bb9\uff0c\u7b2c\u4e09\u7ec4\u5206\u4e0e\u524d\u4e24\u7ec4\u5206\u5747\u4e0d\u76f8\u5bb9\u3002<\/span>\u5728TEM\u7f51\u683c\u4e2d\uff0c\u5229\u7528\u58a8\u6c34\uff08\u91d1\u5c5e\u542b\u91cf\u4e3a25%Au\uff0c25%Ag\uff0c50%Ni\uff09\u5236\u5f97\u3002\u89c1\u56fe4\u3002<\/p>\n \u56fe4 \u00a0AuAgNi\u548cAgCuCo\u5f02\u8d28\u7ed3\u6784\u7eb3\u7c73\u7c92\u5b50<\/strong><\/p>\n A STEM\u56fe\u50cf\u548cEDS\u56fe\u50cf 3\uff0c\u4e09\u8005\u4e24\u4e24\u4e0d\u76f8\u5bb9\u3002<\/span>\u6bd4\u5982Ag\u3001Cu\u3001Co\u4e24\u4e24\u4e0d\u76f8\u5bb9\uff0c\u9884\u671f\u4f1a\u5f97\u5230\u5f02\u8d28\u4e09\u805a\u4f53\u7ed3\u6784\u3002\u805a\u5408\u7269\u58a8\u6c34\u4e2d\u542b\u6709\u7b49\u91cf\u76843\u79cd\u91d1\u5c5e\u79bb\u5b50\u524d\u9a71\u4f53\u3002STEM\u548cEDS\u7684\u8868\u5f81\u7ed3\u679c\u663e\u793a\u5176\u7ed3\u6784\u5206\u4e3a\u4e09\u90e8\u5206\uff0c\u548c\u91d1\u5c5e\u76f8\u5bb9\u6027\u63a8\u7406\u4e00\u81f4\u3002\u4fdd\u6301Cu\u542b\u91cf\u4e0d\u53d8\uff0c\u6539\u7f16Ag\u548cCo\u7684\u76f8\u5bf9\u542b\u91cf\uff0c\u5219Ag\u57df\u548cCo\u57df\u7684\u5c3a\u5bf8\u5206\u522b\u6539\u53d8\uff0c\u4f46\u65e0\u660e\u663e\u4efb\u4e24\u8005\u5408\u91d1\u751f\u6210\u3002\u7eb5\u89c2\u6240\u6709\u4e09\u7ec4\u5206\u5b9e\u9a8c\uff0c\u4e09\u91d1\u5c5e\u57df\u5177\u6709\u5171\u540c\u7ed3\u6784\u7279\u5f81\uff1a\u4e2d\u95f4Cu\u57df\u4e24\u7aef\u88abAg\u6216Co\u57df\u5305\u8986\uff0c\u4e14Ag-Cu\u3001Co-Cu\u76f8\u754c\u9762\u5e76\u4e0d\u5e73\u884c\u3002\u8fd9\u662f\u56e0\u4e3aAg-Co\u754c\u9762\u80fd\u9ad8\u4e8eAg-Cu\u3001Co-Cu\u754c\u9762\u80fd\u3002\u5f53Cu\u542b\u91cf\u5c0f\u4e8e20%\u65f6\uff0cAgCuCo\u4e2d\u5b58\u5728\u6bd7\u90bb\u7684Ag-Co\u57df\uff0c\u8fd9\u662f\u56e0\u4e3a\u5728\u8be5\u6761\u4ef6\u4e0b\uff0cCu\u91cf\u4e0d\u8db3\u4ee5\u5b8c\u5168\u805a\u5408Ag\u57df\u548cCo\u57df\u3002\u89c1\u56fe5\u3002<\/p>\n \u56fe5 \u00a0Cu\u542b\u91cf\u8f83\u4f4e\u65f6SPBCL AgCuCo\u7eb3\u7c73\u7c92\u5b50\u7684\u76f8\u754c\u9762<\/strong><\/p>\n A. AgCuCo \u7eb3\u7c73\u7c92\u5b50\u7684\u6697\u573aSTEM\u56fe\u50cf (43% Ag, 19% Cu, 38% Co) 4\uff0c\u4e24\u7ec4\u5206\u4e0d\u76f8\u5bb9\uff0c\u5747\u548c\u7b2c\u4e09\u7ec4\u5206\u76f8\u5bb9\u3002<\/span>\u548c\u524d\u4e24\u79cd\u76f8\u6bd4\uff0c\u7c92\u5b50\u7ed3\u6784\u5bf9\u7ec4\u5206\u4f9d\u8d56\u6027\u66f4\u5927\uff0c\u56e0\u4e3a\u91d1\u5c5e\u95f4\u76f8\u4e92\u4f5c\u7528\u590d\u6742\u6027\u63d0\u9ad8\u4e86\u3002\u56db\u79cd\u805a\u5408\u7269\u58a8\u6c34\u4e2d\u542b\u6709\u7b49\u91cf\u7684Ag\u548cCu\uff0c\u800cAu\u542b\u91cf\u5206\u522b\u4e3a10%\u300130%\u300150%\u300170%\u3002 \u56fe6 \u00a0AuAgCu\u5f02\u8d28\u7ed3\u6784\u7eb3\u7c73\u7c92\u5b50<\/strong><\/p>\n A\u548cB\u4e2d\u767d\u8272\u865a\u7ebf\u8868\u660e\u76f8\u754c\u9762\u7684\u4f4d\u7f6e\uff0c\u767d\u8272\u523b\u5ea6\u5c3a\u4e3a20nm\u3002<\/p>\n AuCuNi\u7eb3\u7c73\u7c92\u5b50\u4e2d\uff0cAu\u5bf9Cu\u4eb2\u548c\u529b\uff1eAu\u5bf9Ag\u4eb2\u548c\u529b\uff0cCu\u5bf9Au\u4eb2\u548c\u529b\uff1eCu\u5bf9Ni\u4eb2\u548c\u529b\u3002CuCoNi\u7eb3\u7c73\u7c92\u5b50\u4e2d\uff0cNi\u5bf9Co\u4eb2\u548c\u529b\uff1eNi\u5bf9Cu\u4eb2\u548c\u529b\u3002\u901a\u8fc7XPS\u8868\u5f81\u53ef\u77e5\uff0c\u5728H2\u6c1b\u56f4\u4e2d\uff0c\u901a\u8fc7\u9000\u706b\uff0cCo\u3001Ni\u3001Cu\u9010\u6b65\u8fd8\u539f\u5230\u91d1\u5c5e\u6001\u3002\u5982\u679c\u66b4\u9732\u5728\u7a7a\u6c14\u4e2d\uff0c\u5219\u542b\u6709\u8fd9\u4e9b\u5143\u7d20\u7684\u7c92\u5b50\u5728\u7a7a\u6c14\u4e2d\u7f13\u6162\u6c27\u5316\u3002<\/p>\n \u56db\u5143\uff08\u56fe1.E\uff09\u3002<\/span><\/strong>AuAgCoNi\u7eb3\u7c73\u7c92\u5b50\u7ed3\u6784\u88ab\u5206\u914d\u6210\u4e00\u4e2aAuAgCo\u5f02\u8d28\u4e8c\u805a\u4f53\u521d\u7ea7\u7c92\u5b50\u548c\u7b2c\u56db\u7ec4\u5206Ni\u3002\u7b2c\u56db\u7ec4\u5206\u7684\u4f4d\u7f6e\u53d6\u51b3\u4e8e\u5176\u5bf9\u53e6\u59163\u79cd\u5143\u7d20\u7684\u76f8\u5bb9\u6027\u3002Ni\u5bf9Co\u76f8\u5bb9\uff0c\u5bf9Au\u3001Ag\u4e0d\u76f8\u5bb9\u3002AuAgCoNi\u7eb3\u7c73\u7c92\u5b50\u4ecd\u91c7\u7528\u4e8c\u805a\u4f53\u7ed3\u6784\uff0c\u4e00\u90e8\u5206\u662fAuAg\u5408\u91d1\uff0c\u4e00\u90e8\u5206\u662fCoNi\u5408\u91d1\u3002\u89c1\u56fe7\u3002<\/p>\n \u56fe7 \u00a0\u56db\u5143\u548c\u4e94\u5143\u7eb3\u7c73\u7c92\u5b50\u7684STEM\u548cEDS\u8868\u5f81<\/strong><\/p>\n (A) AuAgCuNi (32% Au, 19%Ag, 27% Cu, 22% Ni), \u4e94\u5143\uff08\u56fe1.F\uff09\u3002<\/strong><\/span>\u805a\u5408\u7269\u58a8\u6c34\u4e2d\u542b\u6709\u7b49\u91cf\u76845\u79cd\u91d1\u5c5e\u79bb\u5b50\u524d\u9a71\u4f53\u3002\u4f5c\u8005\u5229\u7528SPBCL\u65b9\u6cd5\u6210\u529f\u5236\u5907AuAgCuCoNi\u7eb3\u7c73\u7c92\u5b50\uff0c\u4ea7\u738750%\uff0c\u6837\u54c1\u5c3a\u5bf850\uff0cAuAgCuCoNi\u7eb3\u7c73\u7c92\u5b50\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff08AuAg\u5408\u91d1\u3001AuCu\u5408\u91d1\u3001CoNi\u5408\u91d1\uff09\u3002\u89c1\u56fe8\u3002<\/p>\n \u56fe8 \u00a0\u4e94\u5143\u5f02\u8d28\u7ed3\u6784\u7eb3\u7c73\u7c92\u5b50<\/strong><\/p>\n A. \u5178\u578b\u7684AuAgCuCoNi\u7eb3\u7c73\u7c92\u5b50\uff0819%Au, 24% Ag, 28% Cu, 14% Co, 15% Ni\uff09\u7684STEM\u56fe\u50cf \u6750\u6599\u725b\u5c0f\u7ed3\uff1a<\/strong><\/p>\n \u4ee5\u4e0a\uff0c\u9274\u4e8e\u7eb3\u7c73\u7c92\u5b50\u7684\u5e9e\u5927\u201c\u56fe\u4e66\u9986\u201d\u53ef\u901a\u8fc7\u7c92\u5b50\u7ec4\u5206\u548c\u91d1\u5c5e\u76f8\u5bb9\u6027\u6765\u5b9a\u505a\uff0c\u8fd9\u9879\u5de5\u4f5c\u4f7f\u591a\u7ec4\u5206\u7eb3\u7c73\u7c92\u5b50\u5411\u7ec4\u5206\u79cd\u7c7b\u66f4\u4e30\u5bcc\u3001\u7ed3\u6784\u66f4\u590d\u6742\u63a8\u8fdb\uff0c\u5177\u6709\u5de8\u5927\u6f5c\u529b\uff0c\u5fc5\u5c06\u5728\u50ac\u5316\u5b66\u3001\u7535\u5b50\u5b66\u3001\u78c1\u529b\u5b66\u7b49\u9886\u57df\u5927\u653e\u5f02\u5f69\uff01<\/p>\n \u6587\u732e\u94fe\u63a5\uff1aPolyelemental nanoparticle libraries<\/a><\/p>\n
\n\u4f17\u6240\u5468\u77e5\uff0c\u7eb3\u7c73\u7c92\u5b50\u7ecf\u5e38\u8868\u73b0\u51fa\u4e0e\u5e38\u89c1\u5927\u5c3a\u5ea6\u7269\u8d28\u4e0d\u540c\u7684\u6027\u8d28\uff0c\u5e94\u7528\u9886\u57df\u4e5f\u5927\u76f8\u5f84\u5ead\u3002\u6bd4\u5982\u91d1\u7eb3\u7c73\u7c92\u5b50\u53ef\u4ee5\u50ac\u5316\u5316\u5b66\u53cd\u5e94\uff0c\u800c\u666e\u901a\u91d1\u4e0d\u80fd\u50ac\u5316\u3002\u534a\u5bfc\u4f53\u7684\u7eb3\u7c73\u7c92\u5b50\u4ec5\u901a\u8fc7\u5c3a\u5bf8\u7684\u7ec6\u5c0f\u53d8\u5316\u5373\u53ef\u53d1\u5c04\u4e0d\u540c\u989c\u8272\u7684\u5149\uff0c\u800c\u666e\u901a\u7684\u534a\u5bfc\u4f53\u65e0\u6cd5\u505a\u5230\u3002\u9274\u4e8e\u6b64\uff0c\u79d1\u5b66\u5bb6\u60f3\u51fa\u4e86\u65e0\u6570\u7684\u65b9\u6cd5\u6765\u5408\u6210\u7eb3\u7c73\u7c92\u5b50\u3002\u7136\u800c\uff0c\u4e00\u76f4\u4ee5\u6765\uff0c\u5e76\u6ca1\u6709\u4e00\u4e2a\u7cfb\u7edf\u7684\u5728\u7eb3\u7c73\u5c3a\u5ea6\u7ec4\u5408\u591a\u79cd\u5143\u7d20\u7684\u65b9\u6cd5\u3002\u6750\u6599\u725b<\/a>\u7684\u5c0f\u5f3a\u7f16\u8f91\u8ba4\u4e3a\u95ee\u9898\u5c31\u662f\u7528\u6765\u89e3\u51b3\u7684\uff0c\u8fd9\u4e0d\uff0c\u5317\u4eac\u65f6\u95f46\u670824\u65e5\uff0cscience\u5728\u7ebf\u53d1\u8868\u4e86\u4e00\u7bc7Report\uff08Polyelemental nanoparticle libraries\uff0cDOI: 10.1126\/science.aaf8402<\/a>\uff09\uff0c\u91cd\u78c5\u62a5\u9053\u5408\u6210\u51fa\u4e86\u4e00\u7cfb\u5217\u4e94\u79cd\u91d1\u5c5e\u4e0d\u540c\u7ec4\u5408\u7684\u7eb3\u7c73\u7c92\u5b50\uff0c\u582a\u79f0\u7eb3\u7c73\u7c92\u5b50\u201c\u56fe\u4e66\u9986\u201d\u3002<\/p>\n
<\/p>\n
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\nB AuAgNi\u7eb3\u7c73\u7c92\u5b50\u56fe\u793a
\nC AuAgNi\u7eb3\u7c73\u7c92\u5b50\u7684\u9ad8\u5206\u8fa8\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u56fe\u7247
\nD \u7eb3\u7c73\u7c92\u5b50\u7ec4\u5206\u548c\u524d\u9a71\u4f53\u58a8\u6c34\u7ec4\u5206\u7684\u6bd4\u8f83
\nE \u4f9d\u636eNi\u542b\u91cf\u6392\u5217\u7684AuAgNi\u7eb3\u7c73\u7c92\u5b50\u7684STEM\u56fe\u50cf\u548c\u5bf9\u5e94\u7684EDS\u56fe\u50cf,\u767d\u8272\u523b\u5ea610nm\u3002
\nF EDS\u5143\u7d20\u56fe\u50cf
\nG AgCuCo\u7eb3\u7c73\u7c92\u5b50\u56fe\u793a
\nH AgCuCo\u7eb3\u7c73\u7c92\u5b50\u7684\u9ad8\u5206\u8fa8\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u56fe\u7247
\nI \u4e0d\u540c\u7ec4\u5206\u7684AgCuCo\u7eb3\u7c73\u7c92\u5b50\u7684STEM\u56fe\u50cf\u548c\u5bf9\u5e94\u7684EDS\u56fe\u50cf\u3002\u4ece\u5de6\u5230\u53f3\uff0cCu\u7684\u542b\u91cf\u8fd1\u4f3c\u4e3a45%\uff0cAg\u7684\u542b\u91cf\u5206\u522b\u4e3a39%\u300125%\u300114%\u3002\u767d\u8272\u523b\u5ea615nm\u3002<\/p>\n
<\/p>\n
\nB. \u7eb3\u7c73\u7c92\u5b50\u7684EDS\u5143\u7d20\u56fe\u50cf
\nC. Ag, Cu\u548c Co\u5143\u7d20\u56fe\u50cf\u7684\u53e0\u52a0
\nD. Ag\u548c Co\u5143\u7d20\u56fe\u50cf\u7684\u53e0\u52a0\uff0c\u767d\u8272\u865a\u7ebf\u5706\u5708\u6807\u660e\u4e86Ag-Co\u76f8\u754c\u9762\u7684\u4f4d\u7f6e\u3002
\nE. Cu\u548c Co\u5143\u7d20\u56fe\u50cf\u7684\u53e0\u52a0\uff0c\u767d\u8272\u865a\u7ebf\u5706\u5708\u6807\u660e\u4e86Ag-Co\u76f8\u754c\u9762\u7684\u4f4d\u7f6e\u3002
\n\u5f53AgCuCo \u7eb3\u7c73\u7c92\u5b50\u4e2dCu\u542b\u91cf\u4f4e\u4e8e20%\u65f6\uff0cCu\u7684\u91cf\u4e0d\u8db3\u4ee5\u5b8c\u5168\u8986\u76d6Ag-Co\u7684\u63a5\u89e6\u3002<\/p>\n
\n10%\uff0cAg\u548cAu\u76f8\u805a\u5408\u4e3a\u4e24\u4e2a\u57df\uff0c\u5b9e\u9a8c\u4e2d\uff0cAu\u5728Cu\u57df\u4e2d\u7684\u4e30\u5bcc\u5ea6\u8868\u660e\uff0cAu\u5bf9Cu\u7684\u4eb2\u548c\u529b\u66f4\u5927\u3002
\n30%\uff0cAu\u6269\u6563\u8fdbAg\u57df\uff0c\u4ea7\u751fJanus\u7eb3\u7c73\u7c92\u5b50\uff0c\u4e00\u90e8\u5206\u662fAuCu\u5408\u91d1\uff0c\u4e00\u90e8\u5206\u662fAuAg\u5408\u91d1\u3002
\n50%\uff0cAg\u548cCu\u57df\u95f4\u65e0\u660e\u663e\u754c\u9650\uff0c\u5404\u81ea\u6563\u5165\u5bf9\u65b9\u57df\u4e2d\uff0c\u5728AuAgCu\u5408\u91d1\u4e2d\u5fc3\u5f62\u6210\u4e2d\u95f4\u533a\u57df\u3002
\n70%\uff0cAu\u5206\u5e03\u4e8e\u6574\u4e2a\u7eb3\u7c73\u7c92\u5b50\u7ed3\u6784\u4e2d\uff0c\u5f62\u6210\u5408\u91d1\u3002\u89c1\u56fe6\u3002<\/p>\n
<\/p>\n
<\/p>\n
\n(B) AgCuCoNi (27% Ag, 22% Cu, 35% Co, 16% Ni),
\n(C) AuAgCoNi (26% Au, 22% Ag, 16% Co, 36% Ni),
\n(D) AuAgCuCo (15% Au, 29% Ag,18% Cu, 38% Co),
\n(E) AuCuCoNi (23% Au, 42% Cu, 16% Co, 19% Ni),
\n(F) AuAgCuCoNi (19% Au, 24% Ag, 28% Cu, 14% Co, 15% Ni).
\n\u56fe\u4e2d\u767d\u8272\u523b\u5ea6: 15 nm\u3002<\/p>\n
<\/p>\n
\nB. A\u4e2dAuAgCuCoNi\u7eb3\u7c73\u7c92\u5b50\u4e3b\u8981\u805a\u96c6\u4e3a\u4e09\u4e2a\u90e8\u5206\uff1aAuAg\u5408\u91d1\uff0cAuCu\u5408\u91d1\u548cCoNi\u5408\u91d1\u3002
\nC-G. A\u4e2dAuAgCuCoNi\u7eb3\u7c73\u7c92\u5b50\u7684EDS\u5143\u7d20\u56fe\u50cf\u3002\u5176\u4e2dC\u4e3a\u7eb3\u7c73\u7c92\u5b50\u4e2d\u6bcf\u4e2a\u91d1\u5c5e\u7684\u5206\u5e03\uff1bD\u4e3aAu\u3001Ag\u548cCu\u5143\u7d20\u56fe\u50cf\u7684\u53e0\u52a0\uff1bE\u4e3aAg\u3001Cu\u548cCo\u5143\u7d20\u56fe\u50cf\u7684\u53e0\u52a0\uff1bF\u4e3aCo\u548cNi\u5143\u7d20\u56fe\u50cf\u7684\u53e0\u52a0\uff1bG\u4e3a\u5168\u90e8\u4e94\u79cd\u91d1\u5c5e\u5143\u7d20\u56fe\u50cf\u7684\u53e0\u52a0\u3002<\/p>\n