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Soc.\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a\u201cMetal (Hydr)oxides@Polymer Core\u2013Shell Strategy to Metal Single-Atom Materials\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u91c7\u7528\u4e00\u79cd\u65b0\u7684\u901a\u8fc7\u5236\u5907\u6838-\u58f3\u7ed3\u6784\u7684\u65b9\u6cd5\u6765\u5408\u6210\u5355\u539f\u5b50\u6750\u6599\u3002\u8be5\u65b9\u6cd5\u5148\u5c06\u805a\u5408\u7269\u6d82\u8986\u5728\u91d1\u5c5e\u6c22\u6c27\u5316\u7269\u6216\u6c27\u5316\u7269\u4e0a\uff0c\u8fdb\u884c\u9ad8\u6e29\u70ed\u89e3\u548c\u9178\u6d78\uff0c\u4f7f\u5f97\u91d1\u5c5e\u5355\u539f\u5b50\u56fa\u5b9a\u5728\u4e2d\u7a7a\u6c2e\u63ba\u6742\u78b3\uff08CN\uff09\u6750\u6599\u7684\u5185\u58c1\u4e0a\u3002\u901a\u8fc7\u6539\u53d8\u91d1\u5c5e\u524d\u9a71\u4f53\u6216\u805a\u5408\u7269\u7684\u79cd\u7c7b\uff0c\u7814\u7a76\u4eba\u5458\u8bc1\u660e\u4e86\uff1a\u5206\u6563\u5728CN\u6750\u6599\uff08SA-M \/ CN\uff0cM = Fe\uff0cCo\uff0cNi\uff0cMn\uff0cFeCo\uff0cFeNi\u7b49\uff09\u4e0a\u7684\u4e0d\u540c\u91d1\u5c5e\u5355\u539f\u5b50\u6210\u529f\u5408\u6210\u3002\u540c\u65f6\u9a8c\u8bc1\u4e86\u5728\u82ef\u7f9f\u57fa\u5316\u5230\u82ef\u915a\u65f6\uff0c\u6240\u83b7\u5f97\u7684SA-Fe \/ CN\u6bd4Fe\u7eb3\u7c73\u9897\u7c92 \/ CN\u5177\u6709\u66f4\u9ad8\u7684\u50ac\u5316\u6d3b\u6027\uff0845% vs 5%\u82ef\u8f6c\u5316\u7387\uff09\u3002\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u8fdb\u4e00\u6b65\u8868\u660e\uff0c\u6750\u6599\u7684\u9ad8\u53cd\u5e94\u6d3b\u6027\u662f\u7531\u4e8e\u5728\u5355Fe\u4f4d\u70b9\u4e0a\u66f4\u5bb9\u6613\u5f62\u6210\u6d3b\u6027\u6c27\u3002\u8be5\u6210\u679c\u4e3a\u5236\u5907\u5404\u79cd\u91d1\u5c5e\u5355\u539f\u5b50\u6750\u6599\u7c7b\u65b0\u578b\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u66f4\u7b80\u5355\u7684\u65b9\u6cd5\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe1 SA-Fe \/ CN<\/b><\/strong>\uff08\u5355\u539f\u5b50\u94c1\/N\u63ba\u6742\u78b3\u6750\u6599\uff09\u7684<\/b><\/strong>\u5408\u6210<\/b><\/strong>\u8fc7\u7a0b<\/b><\/strong>\u793a\u610f\u56fe<\/b><\/strong><\/p>\n \u56fe2 SA-Fe \/ CN<\/b><\/strong>\u7684\u5f62\u8c8c\u8868\u5f81<\/b><\/strong><\/p>\n \u00a0 \u56fe3 SA-Fe \/ CN<\/b><\/strong>\u7684\u7ed3\u6784\u53ca\u7ec4\u6210\u6210\u5206\u5206\u6790<\/b><\/strong><\/p>\n \u5206\u6790\u8bc1\u660e\uff0cFe\u539f\u5b50\u5206\u6563\u5728SA-Fe \/ CN\u4e0a\u3002\u4e2d\u5fc3\u539f\u5b50Fe\u7684\u914d\u4f4d\u6570\u7ea6\u4e3a4\uff0cFe-N \/ C\u7684\u5e73\u5747\u952e\u957f\u4e3a2.04\u3002\u5728SA-Fe \/ CN\u4e2d\uff0cFe\u539f\u5b50\u4e0e4\u4e2aN\u539f\u5b50\u914d\u4f4d\u3002<\/p>\n \u56fe4 SA-<\/b><\/strong>M<\/b><\/strong>\u00a0\/ CN\u7684AC HAADF-STEM\u56fe\u50cf<\/b><\/strong>\uff08M\u4ee3\u8868\u4e00\u79cd\u6216\u4e24\u79cd\u91d1\u5c5e\u5143\u7d20\uff09<\/b><\/strong><\/p>\n \u5355\u4e2a\u539f\u5b50\u7528\u9ec4\u8272\u5706\u5708\u7a81\u51fa\u663e\u793a\u3002<\/p>\n \u56fe5 \u5404\u7c7b\u6750\u6599\u7684\u50ac\u5316\u6d3b\u6027\u5bf9\u6bd4\u53ca<\/b><\/strong>SA-Fe \/ CN\u4e0e<\/b><\/strong>Fe \/ CN\u7684\u50ac\u5316\u6d3b\u6027\u673a\u7406\u6bd4\u8f83<\/b><\/strong><\/p>\n \u00a0 \u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n \u7814\u7a76\u4eba\u5458\u5f00\u53d1\u4e86\u4e00\u79cd\u65b0\u7684\u6838-\u58f3\u65b9\u6cd5\u6765\u5236\u5907\u7a33\u5b9a\u7684SA-M \/ CN\u6750\u6599\u3002\u6750\u6599\u7528\u4e8e\u82ef\u76f4\u63a5\u7f9f\u57fa\u5316\u5230\u82ef\u915a\u65f6\uff0cSA-Fe \/ CN\u50ac\u5316\u5242\u8868\u73b0\u51fa45%\u7684\u9ad8\u8f6c\u5316\u7387\u548c94%\u7684\u9009\u62e9\u6027\uff0c\u6bd4Fe\u7eb3\u7c73\u9897\u7c92\/ CN\uff08\u4ec55\uff05\u8f6c\u5316\u7387\uff09\u9ad8\u5f97\u591a\u3002\u8fd9\u9879\u5de5\u4f5c\u8868\u660e\uff0c\u65b0\u578bSA-M \/ CN\u6750\u6599\u53ef\u4ee5\u901a\u8fc7\u8fd9\u79cd\u6709\u6548\u9014\u5f84\u5236\u5907\uff0c\u53ef\u80fd\u5728\u6709\u673a\u53cd\u5e94\u6216\u80fd\u91cf\u8f6c\u6362\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u6b64\u5916\uff0c\u8be5\u5236\u5907\u65b9\u6cd5\u8fd8\u80fd\u8fdb\u4e00\u6b65\u5e94\u7528\u5230\u5176\u4ed6\u5355\u539f\u5b50\u91d1\u5c5e\u5143\u7d20\u7684\u5236\u5907\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u50ac\u5316\u9886\u57df\u7684\u8fdb\u4e00\u6b65\u53d1\u5c55\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>Metal (Hydr)oxides@Polymer Core\u2013Shell Strategy to Metal Single-Atom Materials<\/u><\/a>(J. 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