{"id":196688,"date":"2020-03-02T06:08:29","date_gmt":"2020-03-01T22:08:29","guid":{"rendered":"\/\/m.iemloyee.com\/?p=196688"},"modified":"2020-03-01T20:08:43","modified_gmt":"2020-03-01T12:08:43","slug":"nano-lett-%e5%8e%9f%e4%bd%8d%e6%b6%b2%e4%bd%93%e7%8e%af%e5%a2%83%e6%89%ab%e6%8f%8f%e9%80%8f%e5%b0%84%e7%94%b5%e5%ad%90%e6%98%be%e5%be%ae%e9%95%9c%e6%8f%ad%e7%a4%baagau%e7%ba%b3%e7%b1%b3%e9%a2%97","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=196688","title":{"rendered":"Nano Lett.: \u539f\u4f4d\u6db2\u4f53\u73af\u5883\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u63ed\u793aAgAu\u7eb3\u7c73\u9897\u7c92\u7684\u8131\u5408\u91d1\u52a8\u529b\u5b66"},"content":{"rendered":"<p>\u3010\u5f15\u8a00\u3011<\/p>\n<p>\u8131\u5408\u91d1\u65b9\u6cd5\u53ef\u4ece\u5747\u5300\u5408\u91d1\u4e2d\u9009\u62e9\u6027\u5730\u6eb6\u89e3\u53cd\u5e94\u7ec4\u5143\uff0c\u4f7f\u6750\u6599\u5177\u6709\u53cc\u8fde\u7eed\u591a\u5b54\u6027\u3002\u6240\u5f97\u7684\u591a\u5b54\u7eb3\u7c73\u7ed3\u6784\u5177\u6709\u9ad8\u8868\u9762\u79ef\u3001\u5927\u6bd4\u7387\u7684\u4f4e\u914d\u4f4d\u539f\u5b50\uff0c\u4e14\u53ef\u4ee5\u5bf9\u7eb3\u7c73\u5b54\u5c3a\u5bf8\u8fdb\u884c\u8c03\u8282\uff0c\u56e0\u6b64\u53ef\u4f5c\u4e3a\u50ac\u5316\u3001\u4f20\u611f\u548c\u80fd\u91cf\u5b58\u50a8\u8f6c\u6362\u9886\u57df\u7684\u4f18\u5f02\u529f\u80fd\u6750\u6599\u3002\u8131\u5408\u91d1\u7684\u7cfb\u7edf\u5316\u7814\u7a76\u59cb\u4e8e1920\u5e74\u524d\u540e\uff0c\u8d77\u6e90\u4e8e\u65e9\u8d77\u5de5\u4f5c\u7684\u673a\u7406\u7814\u7a76\u8868\u660e\uff0c\u7ed3\u6784\u53d8\u5316\u8fd8\u4f34\u968f\u7740\u65b0\u5947\u7684\u7269\u7406\u5316\u5b66\u6027\u8d28\u6f14\u5316\uff0c\u8fd9\u4e00\u53d1\u73b0\u5f00\u8f9f\u4e86\u8131\u5408\u91d1\u4f5c\u4e3a\u65b0\u578b\u529f\u80fd\u548c\u7ed3\u6784\u6750\u6599\u7cbe\u7ec6\u5236\u5907\u65b9\u6cd5\u7684\u9053\u8def\u3002\u7406\u89e3\u8131\u5408\u91d1\u8fc7\u7a0b\u4e2d\u53cc\u8fde\u7eed\u7eb3\u7c73\u591a\u5b54\u7684\u5f62\u6210\u548c\u6f14\u5316\u662f\u5f53\u4eca\u8131\u5408\u91d1\u7814\u7a76\u6700\u5177\u6311\u6218\u6027\u7684\u8bfe\u9898\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u76ee\u524d\u7684\u539f\u4f4d\u7814\u7a76\u4e00\u65b9\u9762\u53d7\u9650\u4e8e\u7a7a\u95f4\u5206\u8fa8\u7387\uff08\u4f8b\u5982\uff1aX\u5c04\u7ebf\u65ad\u5c42\u6444\u5f71\u672f\uff09\uff0c\u53e6\u4e00\u65b9\u9762\u5219\u7f3a\u5c11\u5f62\u8c8c\u5b66\u53ef\u89c6\u5316\u548c\u8d28\u91cf\u4fe1\u606f\uff08\u4f8b\u5982\uff1a\u626b\u63cf\u96a7\u9053\u663e\u5fae\u955c\uff09\u3002<\/p>\n<p>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u4e0a\u6d77\u4ea4\u901a\u5927\u5b66<\/strong>\u7684<strong>\u5218\u6500\u7814\u7a76\u5458<\/strong>\u3001<strong>\u9999\u6e2f\u79d1\u6280\u5927\u5b66<\/strong>\u7684<strong>\u9648\u64ce\u52a9\u7406\u6559\u6388<\/strong>\u548c<strong>\u65e5\u672c\u4e1c\u5317\u5927\u5b66<\/strong><strong>\/<\/strong><strong>\u7f8e\u56fd\u7ea6\u7ff0\u970d\u666e\u91d1\u65af\u5927\u5b66<\/strong>\u7684<strong>\u9648\u660e\u4f1f\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5408\u4f5c\uff0c\u5728<strong>Nano Letters<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201c<strong>Dealloying Kinetics of AgAu Nanoparticles by In Situ Liquid-Cell Scanning Transmission Electron Microscopy<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u4f5c\u8005\u7528\u6db2\u4f53\u73af\u5883\u7403\u5dee\u6821\u6b63\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u5448\u73b0\u4e86\u6574\u4e2a\u8131\u5408\u91d1\u8fc7\u7a0b\u7684\u52a8\u529b\u5b66\u3002\u901a\u8fc7Z\u886c\u5ea6\u6210\u50cf\u5206\u6790\uff0c\u539f\u4f4d\u4e9a\u7eb3\u7c73\u5c3a\u5ea6\u8868\u5f81\u63ed\u793a\u51fa\u4e24\u4e2a\u65b0\u73b0\u8c61\uff1a\u4ee3\u8868\u5757\u4f53\u8131\u5408\u91d1\u521d\u59cb\u957f\u5ea6\u5c3a\u5ea6\u7684\u521d\u59cb\u9636\u6bb5\uff0c\u4ee5\u53ca\u7eb3\u7c73\u5408\u91d1\u524d\u9a71\u4f53\u4e2d\u8f83\u5927\u7a0b\u5ea6\u7684\u4f53\u79ef\u6536\u7f29\u3002\u4f5c\u8005\u9610\u660e\u4e86\u9897\u7c92\u5c3a\u5bf8\u76f8\u5173\u7684\u4f53\u79ef\u6536\u7f29\u4f1a\u4f34\u968f\u7740\u81f4\u5bc6\u58f3\u5c42\u7684\u5f62\u6210\uff0c\u5e76\u7528\u7b80\u5355\u7684\u51e0\u4f55\u6a21\u578b\u5c06\u6b64\u4f9d\u8d56\u5173\u7cfb\u5b9a\u91cf\u5316\u3002<\/p>\n<p>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/p>\n<p>\u56fe\u793a1\uff1a\u539f\u4f4d\u7403\u5dee\u77eb\u6b63\u626b\u63cf\u900f\u5c04\u663e\u5fae\u955c(AC-STEM)\u8868\u5f81\u7684\u6db2\u4f53\u73af\u5883\u8bbe\u7f6e\u793a\u610f\u56fe\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-196689\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/0-1.png\" alt=\"\" width=\"600\" height=\"611\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/0-1.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/0-1-295x300.png 295w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe1\uff1aAgAu\u5408\u91d1\u7eb3\u7c73\u68d2\u548c\u7eb3\u7c73\u5757\u8131\u5408\u91d1\u7684\u539f\u4f4d\u6db2\u4f53\u73af\u5883AC-STEM\u8868\u5f81\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-196690\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/1-4.png\" alt=\"\" width=\"600\" height=\"609\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/1-4.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/1-4-296x300.png 296w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>(a, o) \u8131\u5408\u91d1\u4e4b\u524d\u7684AgAu\u7eb3\u7c73\u68d2\u548c\u7eb3\u7c73\u5757\uff1b<\/p>\n<p>(b, p) \u76f8\u540c\u7684\u8131\u5408\u91d1\u7eb3\u7c73\u9897\u7c92\u5728\u5b8c\u5168\u79fb\u9664\u6db2\u4f53\u540e\u7684\u56fe\u50cf\uff1b<\/p>\n<p>(c-n, q-x) \u5728\u6db2\u4f53\u73af\u5883AC-STEM\u4e2dAgAu\u7eb3\u7c73\u68d2\u548c\u7eb3\u7c73\u5757\u539f\u4f4d\u8131\u5408\u91d1\u8fc7\u7a0b\u7684\u65f6\u95f4\u5e8f\u5217\uff1b<\/p>\n<p>\u56fe2\uff1a\u56fe1\u4e2d\u7684\u7eb3\u7c73\u68d2\u548c\u7eb3\u7c73\u5757\u7684\u8131\u5408\u91d1\u52a8\u529b\u5b66\u5b9a\u91cf\u5206\u6790\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-196691\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/2-4.png\" alt=\"\" width=\"600\" height=\"296\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/2-4.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/2-4-300x148.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>(a, d) \u4ece\u56fe1c\u7684\u767d\u8272\u865a\u7ebf\u6846\u9009\u533a\u57df\u548c\u56fe1p\u6240\u793a\u7684\u6574\u4e2a\u7eb3\u7c73\u5757\u4e2d\uff0c\u5b8c\u6574\u7684\u7279\u5b9a\u50cf\u7d20\u8ba1\u7b97\u5f97\u5230\u7684\u79ef\u5206\u5f3a\u5ea6\uff1b<\/p>\n<p>(b, e) \u7eb3\u7c73\u9897\u7c92\u4e2dAg\u6d53\u5ea6\u7684\u53d8\u5316\u8d8b\u52bf\uff1b<\/p>\n<p>(c, f) \u7eb3\u7c73\u68d2\u548c\u7eb3\u7c73\u5757\u7684\u7ef4\u5ea6\u968f\u8131\u5408\u91d1\u65f6\u95f4\u53d8\u5316\u8d8b\u52bf\u3002<\/p>\n<p>\u56fe3\uff1a\u521d\u59cb\u8131\u5408\u91d1\u9636\u6bb5\u7c97\u7cd9\u5ea6\u7684\u6f14\u5316\u60c5\u51b5\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-196692\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/3-4.png\" alt=\"\" width=\"600\" height=\"525\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/3-4.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/3-4-300x263.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>(a-d) \u521d\u59cb\u8150\u8680\u9636\u6bb5\u8868\u9762\u7c97\u7cd9\u5ea6\u7684\u6f14\u5316\u60c5\u51b5\uff1b<\/p>\n<p>(e) \u56fe(a)\u4e2d\u7eff\u8272\u865a\u7ebf\u6846\u9009\u533a\u57df\u5185\u7684\u5173\u8054\u957f\u5ea6\u7684\u4f30\u8ba1\u3002<\/p>\n<p>\u56fe4\uff1a\u5408\u91d1\u9897\u7c92\u5c3a\u5bf8\u76f8\u5173\u7684\u4f53\u79ef\u6536\u7f29\u73b0\u8c61\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-196693\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/4-4.png\" alt=\"\" width=\"600\" height=\"231\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/4-4.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/02\/4-4-300x116.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>(a) \u4f53\u79ef\u6536\u7f29\u968f\u521d\u59cb\u9897\u7c92\u534a\u5f84\u53d8\u5316\u60c5\u51b5\uff1b<\/p>\n<p>(b) \u968f\u8131\u5408\u91d1\u65f6\u95f4\u548c\u6cbf\u7eb3\u7c73\u68d2\u5bbd\u5ea6\u65b9\u5411\u7684\u4f4d\u7f6e\u53d8\u5316\uff0c\u5f3a\u5ea6\u7684\u53d8\u5316\u60c5\u51b5\u3002<\/p>\n<p>\u3010\u5c0f\u7ed3\u3011<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u4f5c\u8005\u501f\u52a9\u6db2\u4f53\u73af\u5883\u7403\u5dee\u77eb\u6b63\u626b\u63cf\u900f\u5c04\u663e\u5fae\u955c\uff0c\u5b9e\u73b0\u4e86AgAu\u9897\u7c92\u7684\u8131\u5408\u91d1\u52a8\u529b\u5b66\u76f4\u63a5\u53ef\u89c6\u5316\u3002\u539f\u4f4d\u89c2\u5bdf\u8868\u660e\uff0c\u7eb3\u7c73\u68d2\u8131\u5408\u91d1\u7684\u521d\u59cb\u9636\u6bb5\u65e0\u660e\u663e\u5f62\u8c8c\u53d8\u5316\uff0c\u4f46\u51fa\u73b02-3nm\u7684\u7c97\u7cd9\u5ea6\u6539\u53d8\u3002\u4f5c\u8005\u5c06\u6b64\u73b0\u8c61\u5f52\u7ed3\u4e8e\u5757\u4f53\u8131\u5408\u91d1\u5f00\u542f\u9700\u8981\u4e00\u5b9a\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\u548c\u8868\u9762\u7f3a\u9677\u4f4d\u7f6e\u3002\u501f\u52a9\u975e\u539f\u4f4dSTEM-EDS\u5206\u6790\uff0c\u8131\u5408\u91d1\u8fc7\u7a0b\u4e2d\u7684\u8131\u5408\u91d1\u901f\u7387\u548c\u6210\u5206\u53d8\u5316\u53ef\u4ee5\u901a\u8fc7Z\u886c\u5ea6STEM\u4f30\u6d4b\u3002\u5728\u4e0d\u540c\u7684\u8131\u5408\u91d1\u9636\u6bb5\uff0cAgAu\u7eb3\u7c73\u9897\u7c92\u7ef4\u5ea6\u53d8\u5316\u7684\u5b9a\u91cf\u6d4b\u91cf\u63ed\u793a\u4e86\u5c3a\u5bf8\u76f8\u5173\u7684\u4f53\u79ef\u6536\u7f29\uff0c\u8fd9\u53ef\u901a\u8fc7\u5355\u4e00\u97e7\u5e26\u539a\u5ea6\u7684\u81f4\u5bc6\u58f3\u5c42\u7684\u5f62\u6210\u6765\u89e3\u91ca\u3002\u8be5\u5de5\u4f5c\u4e3a\u4ece\u521d\u59cb\u8868\u9762\u8131\u5408\u91d1\u5230\u7eb3\u7c73\u591a\u5b54\u7c97\u7c92\u5316\u8fd9\u4e00\u8131\u5408\u91d1\u8fc7\u7a0b\u63d0\u4f9b\u4e86\u7efc\u5408\u7684\u5b9e\u9a8c\u89c2\u5bdf\uff0c\u5e76\u4e3a\u8131\u5408\u91d1\u52a8\u529b\u5b66\u63d0\u4f9b\u4e86\u663e\u5fae\u5c42\u6b21\u7684\u6df1\u5165\u89c1\u89e3\u3002<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acs.nanolett.9b05216\" target=\"_blank\" rel=\"noopener\">Dealloying Kinetics of AgAu Nanoparticles by In Situ Liquid-Cell Scanning Transmission Electron Microscopy<\/a>\uff08Nano Lett., 2020, DOI: 10.1021\/acs.nanolett.9b05216\uff09<\/p>\n<p>\u672c\u6587\u7531Isobel\u64b0\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 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