{"id":25572,"date":"2016-07-10T08:10:44","date_gmt":"2016-07-10T00:10:44","guid":{"rendered":"\/\/m.iemloyee.com\/?p=25572"},"modified":"2016-07-09T17:35:45","modified_gmt":"2016-07-09T09:35:45","slug":"nature-mater-%ef%bc%9a%e8%81%9a%e4%b9%99%e7%83%af%e5%90%a1%e5%92%af%e7%83%b7%e9%85%ae%ef%bc%88pvp%ef%bc%89%e5%9c%a8%e7%ad%89%e7%a6%bb%e5%ad%90%e9%a9%b1%e5%8a%a8%e5%90%88%e6%88%90%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=25572","title":{"rendered":"Nat. Mater. \u805a\u4e59\u70ef\u5421\u54af\u70f7\u916e\u5728\u7b49\u79bb\u5b50\u9a71\u52a8\u5408\u6210\u8fc7\u7a0b\u4e2d\u5f15\u8d77\u91d1\u7eb3\u7c73\u67f1\u5404\u5411\u5f02\u6027\u751f\u957f"},"content":{"rendered":"

\u3010\u6210\u679c\u7b80\u4ecb\u3011\uff1a<\/p>\n

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\u3010\u56fe\u6587\u5bfc\u8bfb\u3011\uff1a<\/p>\n

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\"1\"<\/p>\n

a<\/strong>, \u4ee5Au\u7eb3\u7c73\u6676\u4f5c\u4e3a\u7b49\u79bb\u5b50\u4f53\u6676\u6838\u7684\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM\uff09\u751f\u957f\u56fe\u50cf<\/p>\n

b\uff0c\u91d1\u6676\u7c92\u6eb6\u6db2\u7684\u6d88\u5149\u9891\u8c31\uff08\u9ed1\u7ebf\uff09\u5728512nm\u5904\u7a81\u663e\u51faSPR\u7279\u5f81\u3002\u5728\u751f\u957f\u6eb6\u6db2\u4e2d\u7ecf\u8fc7\u5404\u79cd\u6fc0\u53d1\u5149\u6ce2\u957f\u7167\u5c041\u5c0f\u65f6\u540e\uff0cAu\u524d\u9a71\u4f53(HAuCl4<\/sub>)\u7684\u6d88\u8017\u91cf(\u03bcmol)\u4e0e\u8fd9\u4e9bAu\u6676\u7c92\uff08\u7ea2\u70b9\uff09\u7684SPR\u76f8\u5173\u3002<\/p>\n

c\uff0c\u7ecf\u8fc7\u6ce2\u957f\u03bbinc<\/sub>=500\u00b110nm\u7684\u5149\u7167\u5c04\u751f\u957f\u6eb6\u6db22\u5c0f\u65f6\u5f97\u5230\u7684\u6700\u7ec8\u4ea7\u7269\u7684SEM\u56fe\u50cf\u3002<\/p>\n

d\uff0c \u7167\u5c04\uff08\u03bbinc<\/sub>=500\u00b110nm\u7684\uff091\u5c0f\u65f6\uff0c\u5165\u5c04\u5149\u529f\u7387\u5bf9HAuCl4<\/sub>\u5728\u751f\u957f\u6eb6\u6db2\u4e2d\u6d88\u8017\u91cf\uff08\u03bcmol\uff09\u7684\u5f71\u54cd\u3002\u6240\u6709B\u548cD\u7684\u8bef\u5dee\u503c\u6765\u81ea\u4e09\u4e2a\u72ec\u7acb\u5b9e\u9a8c\u7684\u5e73\u5747\u503c\uff0c\u7528\u4e8e\u8868\u793a\u6807\u51c6\u504f\u5dee\u3002<\/p>\n

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\"2\"<\/p>\n

a<\/strong>\u2013e<\/strong>,\u7528\u5355\u4e00\u516d\u8fb9\u5f62\u91d1\u7eb3\u7c73\u67f1\u83b7\u5f97\u76f8\u5e94EELS\u56fe\u7684ADF-STEM\u56fe\u50cf\u3002<\/p>\n

f<\/strong>\u2013j<\/strong>,\u7528\u5355\u4e00\u4e09\u89d2\u5f62\u91d1\u7eb3\u7c73\u67f1\u83b7\u5f97\u76f8\u5e94EELS\u56fe\u7684ADF-STEM\u56fe\u50cf\u3002\u56fea\u548c\u56fef\u7684STEM\u56fe\u4e2d\u7684\u6bd4\u4f8b\u5c3a\u540c\u6837\u9002\u7528\u4e8e\u5404\u81ea\u7684EELS\u56fe\u3002<\/p>\n

k<\/strong>\u2013p<\/strong>, \u00a0\u91d1\u7eb3\u7c73\u67f1\u56fa\u5b9a\u5728Si\u57fa\u677f\u4e0a\u4ee5\u4e0d\u540c\u80fd\u91cf\u7684\u5165\u5c04\u5149\u7167\u5c04\uff0c\u8f90\u5c04\u524d\uff08K\uff0cM\uff0cO\uff09\u548c\u8f90\u5c04\u540e\uff08L\uff0cN\uff0cP\uff09\u7684SEM\u7167\u7247\u3002\u5176\u4e2d\u5165\u5c04\u5149\u80fd\u91cf\uff1ak\uff0cl\uff0c520nm\uff082.38 eV\uff09; m\uff0cn\uff0c780nm\uff081.59 eV\uff09; o\uff0cp\uff0c960nm\uff081.29 eV\uff09\u3002\u767d\u8272\u865a\u7ebf\u8868\u793a\u521d\u59cb\u91d1\u7eb3\u7c73\u6676\u7c92\u5c3a\u5bf8\uff0c\u4ee5\u5e2e\u52a9\u5bf9\u6bd4\u3002\u6240\u6709\u6bd4\u4f8b\u5c3a\u4e3a100nm\u3002<\/p>\n

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\"3\"<\/p>\n

a<\/strong>,\u5149\u5316\u5b66\u751f\u957f2\u5c0f\u65f6\u540e\u83b7\u5f97\u91d1\u7eb3\u7c73\u7ed3\u6784\u7684\u79bb\u5b50\u8bf1\u5bfcSEM\u56fe\u50cf\u3002<\/p>\n

b<\/strong>,c<\/strong>, \u7eb3\u7c73\u91d1\u6839\u636e\u6807\u8bb0\u5143\u7d20\u7684\u5206\u5e03\u83b7\u5f97NanoSIMS\u56fe\u7247\uff0c\u5176\u4e2d197<\/sup>Au–<\/sup>\uff08\u7ea2\u8272\uff09\u4fe1\u53f7\uff0c12<\/sup>C14<\/sup>N–<\/sup>(\u7eff\u8272\uff09\u4fe1\u53f7\u3002\u5f69\u8272\u67f1\u8868\u793a\u8be5NanoSIMS\u56fe\u7684\u5f3a\u5ea6\u548c\u5728\u4efb\u610f\u5355\u4f4d\u7684\u8868\u793a\u3002\u5728\u6cbf\u5e73\u9762\u5b6a\u6676\u7684\u6676\u754c\u4ee5\u53ca\u591a\u91cd\u5b6a\u6676\u9897\u7c92\u7684\u8868\u9762\u53ef\u68c0\u6d4b\u5230PVP\u5206\u5b50\u4e0a\u5438\u9644\u768412<\/sup>C14<\/sup>N–<\/sup>\u4fe1\u53f7\uff0c\u8fd9\u8868\u660e\u7eb3\u7c73\u6676\u7c92\u6676\u754c\u7f3a\u9677\u4fc3\u8fdbPVP\u5438\u9644\u5230\u91d1\u7eb3\u7c73\u6676\u4f53\u3002<\/p>\n

d<\/strong>,e<\/strong>,\u7ecf\u8fc7\u5165\u5c04\u5149\uff08\u03bbinc<\/sub>=500\u00b110nm\uff09\u7167\u5c0430\u5206\u949f\u540e\uff0c\u5355\u4e00\u91d1\u7eb3\u7c73\u67f1\u548c\u51c6\u7403\u5f62\u91d1\u7eb3\u7c73\u9897\u7c92\u751f\u957f\u524d\uff08d\uff09\u548c\u540e\u751f\u957f\u540e\uff08e\uff09\u7684SEM\u56fe\u50cf\u3002\u767d\u8272\u865a\u7ebf\u548c\u7ea2\u8272\u5b9e\u7ebf\u5206\u522b\u8868\u793a\u7eb3\u7c73\u67f1\u548c\u7eb3\u7c73\u9897\u7c92\u7684\u521d\u59cb\u5c3a\u5bf8\u3002<\/p>\n

\u56fe\u56db\uff1a\u7b49\u79bb\u5b50\u4f53\u9a71\u52a8\u516d\u8fb9\u5f62\u6216\u4e09\u89d2\u5f62Au\u7eb3\u7c73\u67f1\u7684\u5408\u6210\u3002<\/strong><\/p>\n

\"4\"<\/p>\n

a<\/strong>,\u7ecf\u8fc72\u5c0f\u65f6\u7167\u5c04\u540e\uff0c\u83b7\u5f97\u516d\u8fb9\u5f62\u91d1\u7eb3\u7c73\u67f1\u7684SEM\u56fe\u50cf\u3002\u56fe\uff08i\uff09\u5c55\u793a\u4e86\u4e00\u4e2a\u516d\u8fb9\u5f62\u7eb3\u7c73\u67f1\u7684\u9ad8\u500d\u7387SEM\u56fe\u50cf\uff0c\u56fe\uff08ii\uff09\u5c55\u793a\u4e86PVP\u5438\u9644\u5728\u516d\u8fb9\u5f62\u7eb3\u7c73\u67f1\u4e0a\u768412<\/sup>C14<\/sup>N–<\/sup>\u4fe1\u53f7\uff08\u7eff\u8272\uff09\u5206\u5e03\u72b6\u51b5\u7684NanoSIMS\u56fe\u50cf\u3002<\/p>\n

b<\/strong>, \u751f\u957f\u6eb6\u6db2\u4e2d\u52a0\u5165\u7898\u5316\u7269\uff08I – <\/sup>\uff09\u7ecf\u8fc72\u5c0f\u65f6\u7167\u5c04\u540e\uff0c\u83b7\u5f97\u4e09\u89d2\u5f62\u91d1\u7eb3\u7c73\u67f1\u7684SEM\u56fe\u50cf\u3002\u56fe\uff08i\uff09\u5c55\u793a\u4e86\u4e00\u4e2a\u4e09\u89d2\u5f62\u7eb3\u7c73\u67f1\u7684\u9ad8\u500d\u7387SEM\u56fe\u50cf\uff0c\u56fe\uff08ii\uff09\u5c55\u793a\u4e86\u4e09\u89d2\u5f62\u91d1\u7eb3\u7c73\u67f1\u6807\u8bb0\u768412<\/sup>C14<\/sup>N–<\/sup>\u4fe1\u53f7\uff08\u7eff\u8272\uff09\u548c127<\/sup>I–<\/sup>\u4fe1\u53f7\uff08\u84dd\u8272\uff09\u7684\u5206\u5e03\u72b6\u51b5\u7684NanoSIMS\u56fe\u50cf\u3002<\/p>\n

\u3010\u6210\u679c\u603b\u7ed3\u3011\uff1a<\/p>\n

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

Polyvinylpyrrolidone-induced anisotropic growth of gold nanoprisms in plasmon-driven synthesis (Nature Mater. , 4 July 2016 , DOI: 10.1038\/nmat4683<\/a>)<\/p>\n

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