{"id":239991,"date":"2022-07-19T07:42:51","date_gmt":"2022-07-18T23:42:51","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=239991"},"modified":"2022-07-18T20:19:38","modified_gmt":"2022-07-18T12:19:38","slug":"%e4%b8%ad%e7%a7%91%e5%a4%a7%ef%bc%88%e5%90%88%e8%82%a5%ef%bc%89%e5%88%98%e5%ba%86%e5%8d%8eacc-chem-res-%ef%bc%9a%e9%80%9a%e8%bf%87%e7%9b%b8%e5%85%b3%e5%8e%9f%e4%bd%8d%e5%90%8c%e6%ad%a5%e8%be%90","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=239991","title":{"rendered":"\u4e2d\u79d1\u5927\u5218\u5e86\u534eAcc. Chem. Res.\uff1a\u901a\u8fc7\u76f8\u5173\u539f\u4f4d\u540c\u6b65\u8f90\u5c04\u5149\u8c31\u8ddf\u8e2a\u56fa-\u6db2\u7535\u5316\u5b66\u754c\u9762\u7684\u6c27\u52a8\u529b\u5b66"},"content":{"rendered":"<p>\u3010\u5bfc\u8bfb\u3011<\/p>\n<p>\u6d89\u53ca\u6c27\u7684\u7535\u50ac\u5316\u8fc7\u7a0b\uff0c\u5305\u62ec\u6790\u6c27\u53cd\u5e94(OER)\u548c\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\uff0c\u662f\u4e00\u7cfb\u5217\u5148\u8fdb\u7684\u73b0\u4ee3\u80fd\u6e90\u8f6c\u6362\u548c\u5b58\u50a8\u6280\u672f\u7684\u6838\u5fc3\uff0c\u5982\u6c34\u7535\u89e3\u69fd\u3001\u71c3\u6599\u7535\u6c60\u548cCO<sub>2<\/sub>\u8fd8\u539f\u6216\u56fa\u6c2e\u88c5\u7f6e\u3002\u5168\u9762\u6df1\u5165\u5730\u7406\u89e3\u6c27\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u56fa\u6db2\u7535\u5316\u5b66\u754c\u9762\u4e0a\u666e\u904d\u5b58\u5728\u7684\u7535\u8377\u8f6c\u79fb\u548c\u80fd\u91cf\u8f6c\u6362\u8fc7\u7a0b\uff0c\u5bf9\u4e8e\u7406\u89e3\u6c27\u76f8\u5173\u7535\u5316\u5b66\u7684\u5173\u952e\u672c\u8d28\u81f3\u5173\u91cd\u8981\u3002\u6c27\u6c14\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u56fa\u6db2\u754c\u9762\u52a8\u529b\u5b66\u7814\u7a76\u9762\u4e34\u7684\u5de8\u5927\u6311\u6218\u5728\u4e8e\u50ac\u5316\u53cd\u5e94\u7684\u5168\u5957\u7535\u5316\u5b66\u8fc7\u7a0b\uff0c\u5305\u62ec\u7535\u6781\u8868\u9762\u7ed3\u6784\u548c\u6d3b\u6027\u4e2d\u95f4\u4f53\u7684\u6f14\u53d8\uff0c\u4ee5\u53ca\u6240\u7528\u7535\u89e3\u8d28\u7684\u6c34\u73af\u5883\u7684\u91cd\u5927\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u514b\u670d\u8fd9\u4e9b\u6311\u6218\u672c\u8d28\u4e0a\u9700\u8981\u591a\u79cd\u5148\u8fdb\u539f\u4f4d\u6280\u672f\u7684\u5927\u529b\u5408\u4f5c\u3002\u540c\u6b65\u8f90\u5c04(SR)X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784(SR-XAFS)\u5149\u8c31\u5bf9\u7eb3\u7c73\u6750\u6599\u7684\u5c40\u90e8\u539f\u5b50\u7ed3\u6784\u9ad8\u5ea6\u654f\u611f\uff0c\u57fa\u4e8eSR\u7684\u5085\u91cc\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31(SR-FTIR)\u5177\u6709\u72ec\u7279\u7684\u5206\u5b50\u6307\u7eb9\u8bc6\u522b\uff0c\u53ef\u4ee5\u786e\u5b9a\u7535\u6781\u8868\u9762\u7684\u6d3b\u6027\u539f\u5b50\u3002\u53ef\u4ee5\u60f3\u8c61\uff0c\u76f8\u5173\u7684\u539f\u4f4dSR-XAFS\/FTIR\u5149\u8c31\u7814\u7a76\u5c06\u53ef\u80fd\u5728\u539f\u5b50\/\u5206\u5b50\u6c34\u5e73\u4e0a\u63d0\u4f9b\u5145\u5206\u3001\u53ef\u9760\u3001\u4e92\u8865\u7684\u4fe1\u606f\uff0c\u523b\u753b\u6c27\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u56fa\u6db2\u7535\u5316\u5b66\u754c\u9762\u751f\u52a8\u3001\u5168\u9762\u7684\u2018\u52a8\u6001\u7535\u5f71\u2019\uff0c\u6709\u52a9\u4e8e\u6709\u6548\u4fc3\u8fdb\/\u7b80\u5316\u9ad8\u6548\u9ad8\u80fd\u5bc6\u5ea6\u80fd\u6e90\u7cfb\u7edf\u9ad8\u7ea7\u6c27\u7535\u50ac\u5316\u5242\u7684\u590d\u6742\u7b5b\u9009\u8fc7\u7a0b\u3002<\/p>\n<p><strong><b>\u3010\u6210\u679c\u63a0\u5f71\u3011<\/b><\/strong><\/p>\n<p><strong><b>\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66<\/b><\/strong><strong><b>\uff08\u5408\u80a5\uff09<\/b><\/strong><strong><b>\u5218\u5e86\u534e\u8bfe\u9898\u7ec4\uff0c\u4eceSR\u5149\u8c31\u6280\u672f\u7684\u4e00\u4e9b\u57fa\u672c\u77e5\u8bc6\u51fa\u53d1\uff0c\u5168\u9762\u9610\u8ff0\u4e86\u5728\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u83b7\u5f97\u9ad8\u8d28\u91cfSR-XAFS\u548cSR-FTIR\u5149\u8c31\u7ed3\u679c\u7684\u6280\u5de7\u3002<\/b><\/strong>\u968f\u540e\uff0c\u672c\u5de5\u4f5c\u9009\u53d6\u76ee\u524d\u9887\u5177\u5438\u5f15\u529b\u7684\u91d1\u5c5e-\u6709\u673a\u9aa8\u67b6(MOF)\u7eb3\u7c73\u6750\u6599\u548c\u5355\u539f\u5b50\u50ac\u5316\u5242(SACs)\u4f5c\u4e3a\u4e3b\u8981\u7814\u7a76\u5bf9\u8c61\uff0c\u57fa\u4e8e\u539f\u4f4dSR-XAFS\u548c\/\u6216SR-FTIR\u5149\u8c31\u8fdb\u884c\u4e86\u52a8\u6001\u7814\u7a76\u3002\u6b64\u5916\uff0c\u8fd8\u7740\u91cd\u4ecb\u7ecd\u4e86SR-XAFS\/FTIR\u539f\u4f4d\u76f8\u5173\u7814\u7a76\u5bf9\u6c27\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u56fa\u6db2\u754c\u9762\u52a8\u6001\u6f14\u5316\u65b0\u53d1\u73b0\u7684\u91cd\u8981\u8d21\u732e\u3002<strong><b>\u7279\u522b\u662f\uff0c<\/b><\/strong><strong><b>\u672c\u5de5\u4f5c<\/b><\/strong><strong><b>\u7684\u5f00\u521b\u6027\u7814\u7a76\u53d1\u73b0\uff0c\u5728\u9884\u50ac\u5316\u9636\u6bb5\u5f62\u6210\u7684\u4f9d\u8d56\u4e8e\u7535\u4f4d\u7684\u52a8\u6001\u8026\u5408\u6c27\u662fSACs\u5728\u9178\u6027\u6761\u4ef6\u4e0b\u4fc3\u8fdb\u9ad8\u6548OER\u52a8\u529b\u5b66\u7684\u975e\u5e38\u6709\u7528\u7684\u542f\u52a8\u5b50<\/b><\/strong>\u3002\u6b64\u5916\uff0c\u539f\u4f4d\u751f\u6210\u7684\u4e9a\u7a33\u6001Ni<sub>1<\/sub>-N<sub>2<\/sub>\u4e2d\u5fc3\u5728SACs\u4e2d\u5177\u6709\u66f4\u591a\u7684\u7ed3\u6784\u81ea\u7531\u5ea6\uff0c\u53ef\u80fd\u6709\u5229\u4e8e\u5feb\u901f4e-ORR\u52a8\u529b\u5b66\u3002\u672c\u5de5\u4f5c\u7684\u7814\u7a76\u6210\u679c\u6709\u671b\u5229\u7528\u57fa\u4e8eSR\u7684\u76f8\u5173\u6280\u672f\u6fc0\u53d1\u4eba\u4eec\u5bf9\u6750\u6599\u79d1\u5b66\u548c\u7535\u5316\u5b66\u5171\u540c\u4f53\u611f\u5174\u8da3\u7684\u5404\u79cd\u50ac\u5316\u8fc7\u7a0b\u7684\u52a8\u6001\u63a2\u7d22\u7684\u5e7f\u6cdb\u5174\u8da3\u3002\u76f8\u5173\u8bba\u6587\u4ee5\u9898\u4e3a\uff1a\u201c<em><i>Tracking the Oxygen Dynamics of Solid\u2013Liquid Electrochemical Interfaces by Correlative In Situ Synchrotron Spectroscopies<\/i><\/em>\u201d\u53d1\u8868\u5728<em><i>Acc. Chem. Res.<\/i><\/em>\u4e0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-239992\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-56.png\" alt=\"\" width=\"787\" height=\"239\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-56.png 787w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-56-300x91.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-56-768x233.png 768w\" sizes=\"(max-width: 787px) 100vw, 787px\" \/><\/p>\n<p><strong><b>\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/b><\/strong><\/p>\n<ul>\n<li><b><\/b><strong><b>\u672c\u5de5\u4f5c\u4eceSR\u5149\u8c31\u6280\u672f\u7684\u4e00\u4e9b\u57fa\u672c\u77e5\u8bc6\u51fa\u53d1\uff0c\u5168\u9762\u9610\u8ff0\u4e86\u5728\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u83b7\u5f97\u9ad8\u8d28\u91cfSR-XAFS\u548cSR-FTIR\u5149\u8c31\u7ed3\u679c\u7684\u6280\u5de7<\/b><\/strong>\u3002<\/li>\n<li>\u672c\u5de5\u4f5c\u4ee5\u91d1\u5c5e-\u6709\u673a-\u9aa8\u67b6(MOF)\u7eb3\u7c73\u6750\u6599\u548c\u5355\u539f\u5b50\u50ac\u5316\u5242(SACs)\u4f5c\u4e3a\u4e3b\u8981\u7814\u7a76\u5bf9\u8c61\uff0c\u8868\u660e\u4e86SR-XAFS\/FTIR\u539f\u4f4d\u76f8\u5173\u7814\u7a76\u5bf9\u6c27\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u56fa\u6db2\u754c\u9762\u52a8\u6001\u6f14\u5316\u65b0\u53d1\u73b0\u7684\u91cd\u8981\u8d21\u732e\u3002<\/li>\n<li><b><\/b><strong><b>\u672c\u5de5\u4f5c<\/b><\/strong><strong><b>\u8868\u660e\uff0c<\/b><\/strong><strong><b>\u5728\u9884\u50ac\u5316\u9636\u6bb5\u5f62\u6210\u7684\u4f9d\u8d56\u4e8e\u7535\u4f4d\u7684\u52a8\u6001\u8026\u5408\u6c27\u662fSACs\u5728\u9178\u6027\u6761\u4ef6\u4e0b\u4fc3\u8fdb\u9ad8\u6548OER\u52a8\u529b\u5b66\u7684\u975e\u5e38\u6709\u7528\u7684\u542f\u52a8\u5b50<\/b><\/strong>\u3002<\/li>\n<\/ul>\n<p><strong><b>\u00a0<\/b><\/strong><\/p>\n<p><strong><b>\u00a0<\/b><\/strong><\/p>\n<p><strong><b>[\u6570\u636e\u6982\u89c8]<\/b><\/strong><\/p>\n<ul>\n<li><b><\/b><strong><b>SR-XAFS\u5149\u8c31<\/b><\/strong><strong><b>\u4ee5\u53ca<\/b><\/strong><strong><b>SR-FTIR\u5149\u8c31<\/b><\/strong><\/li>\n<\/ul>\n<p><strong><b>\u00a0<\/b><\/strong><\/p>\n<p>\u4e0a\u4e16\u7eaa70\u5e74\u4ee3\uff0c\u7b2c\u4e00\u4e2a\u5177\u6709\u5f2f\u8f6c\u78c1\u94c1\u7684SR\u6e90\u7684\u95ee\u4e16\uff0c\u6210\u529f\u5730\u89e6\u53d1\u4e86SR-XAFS\u4f5c\u4e3a\u5b9a\u91cf\u7ed3\u6784\u68c0\u6d4b\u7684\u6709\u7528\u5de5\u5177\u7684\u5feb\u901f\u53d1\u5c55\u3002\u5982\u56fe1a\u6240\u793a\uff0c\u5728SR-XAFS\u6d4b\u91cf\u8fc7\u7a0b\u4e2d\uff0c\u5f53\u4e00\u4e2a\u5177\u6709\u5408\u9002\u80fd\u91cf\u7684\u5165\u5c04X\u5c04\u7ebf\u5149\u5b50\u88ab\u4e2d\u5fc3\u539f\u5b50A\u5438\u6536\u65f6\uff0c\u5c06\u8fc5\u901f\u4ea7\u751f\u51fa\u4e00\u4e2a\u51fa\u5c04\u7684\u6838\u82af\u5149\u7535\u5b50\u6ce2\u3002\u8fd9\u79cd\u51fa\u5c04\u7684\u5149\u7535\u5b50\u6ce2\u53ef\u4ee5\u88ab\u7b2c\u4e00\u548c\u7b2c\u4e8c\u58f3\u5c42\u4e2d\u7684\u5468\u56f4\u539f\u5b50\uff0c\u5982B\u548cC\u539f\u5b50\u6563\u5c04\uff0c\u7136\u540e\u8fd4\u56de\u5230\u521d\u59cb\u7684\u4e2d\u5fc3\u539f\u5b50A\u3002<strong><b>\u5165\u5c04X\u5c04\u7ebf\u5149\u5b50\u4e0e\u8fd4\u56de\u7684\u5149\u7535\u5b50\u6ce2\u4e4b\u95f4\u7684\u8fd9\u79cd\u5e72\u6d89\u53ef\u4ee5\u5bfc\u81f4X\u5c04\u7ebf\u5438\u6536\u7cfb\u6570\u7684\u632f\u8361\u7ed3\u6784\uff0c\u8fd9\u662fXAFS\u7684\u8d77\u6e90<\/b><\/strong>\u3002\u5728SR-XAFS\u6d4b\u91cf\u8fc7\u7a0b\u4e2d\uff0c\u900f\u5c04\u548c\u8367\u5149\u4e24\u79cd\u68c0\u6d4b\u6a21\u5f0f\u90fd\u88ab\u9891\u7e41\u4f7f\u7528\uff0c\u5176\u4e2d\u900f\u5c04\u68c0\u6d4b\u6a21\u5f0f\u4e0b\u6837\u54c1\u7684X\u5c04\u7ebf\u5438\u6536\u53ef\u4ee5\u901a\u8fc7\u5165\u5c04\u548c\u900f\u5c04\u5149\u675f\u5f3a\u5ea6\u6765\u786e\u5b9a\uff0c\u800c\u8367\u5149\u68c0\u6d4b\u6a21\u5f0f\u4e0b\u4ea7\u751f\u7684X\u5c04\u7ebf\u8367\u5149\u5f3a\u5ea6\u4e3a\u6837\u54c1\u7684X\u5c04\u7ebf\u5438\u6536\u63d0\u4f9b\u4e86\u53e6\u4e00\u79cd\u6d4b\u91cf\u624b\u6bb5\u3002\u9488\u5bf9SR-XAFS\u68c0\u6d4b\u5728\u52a8\u6001\u63a2\u6d4b\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\uff0c\u901a\u5e38\u91c7\u7528\u540e\u5165\u5c04\u8367\u5149SR-XAFS\u6a21\u5f0f\u4e0e\u8bbe\u8ba1\u826f\u597d\u7684\u539f\u4f4d\u6c60\u8026\u5408\uff0c\u4ee5\u907f\u514d\u6c34\u7535\u89e3\u8d28\u7684\u5f71\u54cd(\u56fe1b)\u3002<\/p>\n<p>\u4e0a\u4e16\u7eaa90\u5e74\u4ee3\uff0c\u7b2c\u4e00\u6761\u540c\u6b65\u8f90\u5c04\u7ea2\u5916\u5149\u675f\u7ebf\u51fa\u73b0\u5728\u5e03\u9c81\u514b\u6d77\u6587\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\uff0c\u9884\u793a\u7740\u57fa\u4e8eSR\u7684FTIR\u5149\u8c31\u65f6\u4ee3\u7684\u5230\u6765\u3002\u4e0e\u4f20\u7edf\u7684Globar\u5149\u6e90\u76f8\u6bd4\uff0cSR\u5149\u6e90\u5bf9SR-FTIR\u5149\u8c31\u663e\u793a\u4e862~3\u4e2a\u6570\u91cf\u7ea7\u4eae\u5ea6\u7684\u663e\u8457\u4f18\u70b9\uff0c\u53ef\u5b9e\u73b0\u5fae\u533a\u7ea2\u5916\u68c0\u6d4b\u3002\u800c\u4e14\uff0cSR\u5149\u6e90\u53ef\u4ee5\u63d0\u4f9b\u72ec\u7279\u7684\u5177\u6709\u672c\u5f81\u5149\u504f\u632f\u7684IR\u5149\u675f\uff0c\u7279\u6b8a\u7684\u65f6\u95f4\u7ed3\u6784\uff0c\u4ee5\u53ca\u76f8\u5bf9\u4e8e\u5e38\u89c4Globar\u5149\u6e90\u66f4\u5bbd\u7684\u5e26\u8c31(\u56fe2a)\u3002<strong><b>\u5982\u56fe2b\u6240\u793a\uff0c\u672c\u8bfe\u9898\u7ec4\u5f00\u53d1\u4e86\u4e00\u79cd\u5355\u53cd\u5c04SR-FTIR\u65b9\u6cd5\uff0c\u53ef\u6709\u6548\u76d1\u6d4b\u7535\u6781\u5728\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u56fa\u6db2\u754c\u9762\u4e0a\u7684\u52a8\u529b\u5b66\u884c\u4e3a<\/b><\/strong>\uff0c\u5176\u4e2d\u5165\u5c04\u7684SR-IR\u5149\u76f4\u63a5\u53cd\u5c04\u5728\u5de5\u4f5c\u7535\u6781\u8868\u9762\uff0c\u7136\u540e\u7531\u5728\u540c\u4e00\u4fa7\u9762\u7684\u6c5e\u9549\u78b2(MCT)\u63a2\u6d4b\u5668\u8bb0\u5f55\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-239993\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-57.png\" alt=\"\" width=\"589\" height=\"269\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-57.png 589w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-57-300x137.png 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><\/p>\n<p>\u56fe1. (a)SR-XAFS\u8c31\u56fe\u3002(b)\u539f\u4f4dSR-XAFS\u6d4b\u91cf\u793a\u610f\u56fe\u00a9 2022 American Chemical Society<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-239994\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-58.png\" alt=\"\" width=\"431\" height=\"417\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-58.png 431w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-58-300x290.png 300w\" sizes=\"(max-width: 431px) 100vw, 431px\" \/><\/p>\n<p>\u56fe2. (a) Sr-Ftir\u5149\u8c31\u793a\u610f\u56fe\u3002(b)\u539f\u4f4dSR-FTIR\u6d4b\u91cf\u65b9\u6848\u00a9 2022 American Chemical Society<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><b><\/b><strong><b>SR-XAFS\/FITR\u5149\u8c31<\/b><\/strong><strong><b>\u53ca\u76f8\u5173<\/b><\/strong><strong><b>\u7ed3\u6784\u6f14\u5316\u63a2\u6d4b<\/b><\/strong><\/li>\n<\/ul>\n<p><strong><b>\u00a0<\/b><\/strong><\/p>\n<p>\u8981\u83b7\u5f97\u56fa\u6db2\u754c\u9762\u4e0a\u52a8\u529b\u5b66\u7684\u5168\u8c8c\uff0c\u5fc5\u987b\u96c6\u6210\u591a\u79cd\u524d\u6cbf\u6280\u672f\u3002\u5982\u524d\u6240\u8ff0\uff0c\u5177\u6709\u8f83\u9ad8\u5c40\u90e8\u7ed3\u6784\u7075\u654f\u5ea6\u7684SR-XAFS\u5149\u8c31\u65e0\u7591\u88ab\u8ba4\u4e3a\u662f\u539f\u5b50\u63a2\u7a76\u6c27\u7535\u50ac\u5316\u53cd\u5e94\u8fc7\u7a0b\u4e2d\u50ac\u5316\u5242\u7ed3\u6784\u53d8\u5316\u7684\u6709\u529b\u5de5\u5177\u3002\u4f5c\u4e3a\u4e24\u79cd\u6781\u5177\u5438\u5f15\u529b\u7684\u65e0\u521b\u6027\u5149\u8c31\u6280\u672f\uff0c\u76f8\u5173\u7684SR-XAFS\u548cSR-FTIR\u7814\u7a76\u53ef\u4e3a\u73b0\u5b9e\u5de5\u51b5\u4e0b\u7535\u6781\u56fa\u6db2\u754c\u9762\u7ed3\u6784\u548c\u8868\u9762\u5143\u7d20\u6f14\u5316\u63d0\u4f9b\u4e92\u8865\u4fe1\u606f\uff0c\u5982\u56fe3\u6240\u793a\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u76f8\u5173\u7684\u539f\u4f4dSR-XAFS\u548cSR-FTIR\u6d4b\u91cf\u4e3b\u8981\u57fa\u4e8eSR\u5149\u6e90\uff0c\u5c1a\u672a\u6210\u4e3a\u5b9e\u9a8c\u5ba4\u5e38\u89c4\u6d4b\u8bd5\uff0c\u5230\u76ee\u524d\u4e3a\u6b62\u8fd8\u4e0d\u53ef\u80fd\u540c\u65f6\u5728\u4e00\u4e2a\u5355\u5149\u675f\u7ebf\u7ad9\u8fdb\u884c\u3002<\/p>\n<p>\u8fc7\u6e21\u91d1\u5c5e\u57faMOF\u7eb3\u7c73\u6750\u6599\u88ab\u8ba4\u4e3a\u662f\u5f88\u6709\u524d\u9014\u7684\u6c27\u7535\u50ac\u5316\u5242\uff0c\u4f46\u5176\u6d3b\u6027\u76f8\u7684\u6027\u8d28\u548c\u6f5c\u5728\u7684\u50ac\u5316\u673a\u7406\u4ecd\u7136\u96be\u4ee5\u6349\u6478\u3002<strong><b>\u6700\u8fd1\uff0c<\/b><\/strong><strong><b>\u672c\u5de5\u4f5c<\/b><\/strong><strong><b>\u5229\u7528\u539f\u4f4dSR-XAFS\u5149\u8c31\u6280\u672f\uff0c\u5728\u78b1\u6027\u6eb6\u6db2\u4e2d\u539f\u5b50\u76d1\u6d4b\u4e86\u6eb4\u5c01Ni-MOF(Br-Ni-MOF)\u5728OER\u8fc7\u7a0b\u4e2d\u7684\u7ed3\u6784\u8f6c\u53d8(\u56fe4)<\/b><\/strong>\u3002\u57281.10 V\u7684\u4f4e\u7535\u4f4d\u4e0b\uff0cBr-Ni-MOF\u7684FT-EXAFS\u66f2\u7ebf\u76f8\u5bf9\u4e8e\u539f\u5b50\u5149\u8c31(\u56fe4a\u548c4b)\uff0cNi-O\u548cNi-Ni\u5cf0\u7684\u5f3a\u5ea6\u90fd\u6709\u5f88\u5927\u7684\u63d0\u5347\u3002\u901a\u8fc7WT-EXAFS\u5206\u6790(\u56fe4c)\uff0c\u8fd9\u79cd\u7ed3\u6784\u53d8\u5316\u53ef\u4ee5\u5f88\u597d\u5730\u5f52\u56e0\u4e8eBr-Ni-MOF\u5728\u9759\u606f\u72b6\u6001\u4e0b\u5f62\u6210\u03b2\u578bNi(OH)<sub>2<\/sub>\u7c7b\u4f3c\u7269\u3002\u6b64\u5916\uff0c\u57281.45\u62161.55 V\u65f6\uff0cNi-O\u548cNi-Ni\u5cf0\u76f8\u5bf9\u4e8e1.10 V\u51fa\u73b0\u4e86\u660e\u663e\u7684\u84dd\u79fb\uff0c\u540c\u65f6\u4f34\u968f\u7740\u76f8\u5e94\u7684Ni\u5438\u9644\u8fb9\u5411\u9ad8\u80fd\u4fa7(\u56fe4d\u548c4e)\u7684\u79fb\u52a8\u3002<strong><b>\u901a\u8fc7\u4e0eNi\u57fa\u6c22\u6c27\u5316\u7269\u7684\u8be6\u7ec6\u7ed3\u6784\u5bf9\u6bd4\uff0c\u8bc1\u5b9e\u4e86\u03b3-NiOOH\u7c7b\u4f3c\u7269\u5728Br-Ni-MOF\u50ac\u5316\u9636\u6bb5\u7684\u540e\u5f62\u6210<\/b><\/strong>\u3002\u56e0\u6b64\uff0c\u5728OER\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u4e86Br-Ni-MOF\u4ece\u539f\u59cbMOF\u7ed3\u6784\u5230\u6c22\u6c27\u5316\u7269\u7c7b\u4f3c\u7269\u518d\u5230\u6c22\u6c27\u5316\u7269\u7c7b\u4f3c\u7269\u7684\u8fde\u7eed\u4e24\u6b65\u91cd\u6784(\u56fe4f)\uff0c\u8fd9\u4e0eTang\u5c0f\u7ec4\u62a5\u9053\u7684\u6d3b\u6027NiCo-MOF-74\u5728OER\u8fc7\u7a0b\u4e2d\u7684\u539f\u4f4d\u89c2\u5bdf\u7ed3\u679c\u76f8\u4f3c\u3002<\/p>\n<p><strong><b>\u9664\u4e86\u6d3b\u6027\u76f8\u7684\u786e\u5b9a\u5916\uff0c\u8fd8\u9700\u8981\u786e\u5b9a\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u50ac\u5316\u5242\u7684\u771f\u5b9e\u6d3b\u6027\u4f4d\u70b9\uff0c\u4ee5\u63ed\u793a\u5176\u6f5c\u5728\u7684\u6784\u6548\u5173\u7cfb<\/b><\/strong>\u3002\u5728\u539f\u4f4dSR-XAFS\u8c31\u7684\u57fa\u7840\u4e0a\uff0c\u672c\u5de5\u4f5c\u5bf9\u975e\u5bf9\u79f0\u914d\u4f4dCu-S<sub>1<\/sub>N<sub>3<\/sub>\u00a0SACs\u5728ORR\u8fc7\u7a0b\u4e2d\u5b64\u7acbCu\u4f4d\u7684\u7535\u5b50\u548c\u539f\u5b50\u7ed3\u6784\u6f14\u5316\u83b7\u5f97\u4e86\u6709\u610f\u4e49\u7684\u89c1\u89e3(\u56fe5)\u3002\u5f53\u5916\u52a0\u7535\u4f4d\u4ece1.05 V\u964d\u4f4e\u52300.75 V\u65f6\uff0cCu K\u8fb9XANES\u8c31\u4e2d\u51fa\u73b0\u4e86\u5438\u6536\u8fb9\u4f4d\u7f6e\u5411\u4f4e\u80fd\u8fb9\u7684\u504f\u79fb\uff0c\u8868\u660eCu-S<sub>1<\/sub>N<sub>3 <\/sub>SACs (\u56fe5a\u548c5b)\u4e2dCu\u539f\u5b50\u7684\u4ef7\u6001\u4ece\u7ea62+\u964d\u4f4e\u52301+\u3002<strong><b>\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5f53\u5916\u52a0\u7535\u538b\u6062\u590d\u52301.05 V\u65f6\uff0c\u8fd9\u4e9b\u8fd8\u539f\u6001\u7684Cu(1+)\u4f4d\u53ef\u4ee5\u6062\u590d\u4e3aCu(2+)\uff0c\u8fd9\u8868\u660e\u540e\u5f62\u6210\u7684Cu(1+)\u4f4d\u662fORR\u7684\u53ef\u9006\u6d3b\u6027\u91d1\u5c5e\u4e2d\u5fc3<\/b><\/strong>\u3002\u7ed3\u5408DFT\u8ba1\u7b97\uff0c\u672c\u5de5\u4f5c\u53d1\u73b0\uff0c\u8fd9\u4e9bCu-N\u952e\u6536\u7f29\u7684\u4f4e\u4ef7Cu(1+)\u4e2d\u5fc3\u80fd\u591f\u4fc3\u8fdbCu-S<sub>1<\/sub>N<sub>3<\/sub>\u4e2d\u5fc3\u4e0a*OOH\u3001*O\u548c*OH\u4e2d\u95f4\u4f53\u7684\u751f\u6210\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u76844e-ORR\u53cd\u5e94(\u56fe5d)\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-239995\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-59.png\" alt=\"\" width=\"493\" height=\"171\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-59.png 493w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-59-300x104.png 300w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/><\/p>\n<p>\u56fe3. \u76f8\u5173SR-FTIR\u548cSR-XAFS\u5149\u8c31\u793a\u610f\u56fe\u00a9 2022 American Chemical Society<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-239996\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-60.png\" alt=\"\" width=\"635\" height=\"487\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-60.png 635w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-60-300x230.png 300w\" sizes=\"(max-width: 635px) 100vw, 635px\" \/><\/p>\n<p>\u56fe4. (a) Br-Ni MOF\u5728OER\u8fc7\u7a0b\u4e2dNi K\u8fb9\u7684k<sub>2<\/sub>\u03c7 (k)\u632f\u8361\u66f2\u7ebf\u3001(b) FT-EXAFS\u66f2\u7ebf\u3001(c) WT-EXAFS\u56fe\u548c(d,e) XANES\u8c31\u00a9 2022 American Chemical Society<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-240000\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-68.png\" alt=\"\" width=\"518\" height=\"384\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-68.png 518w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-68-300x222.png 300w\" sizes=\"(max-width: 518px) 100vw, 518px\" \/><\/p>\n<p>\u56fe5. (a,b) Cu\u57faSACs\u5728ORR\u8fc7\u7a0b\u4e2d\u7684Cu K\u8fb9XANES\u8c31\u548cCu\u7684\u5e73\u5747\u6c27\u5316\u6570\u3002(c) Cu\u57faSACs\u5728ORR\u8fc7\u7a0b\u4e2d\u7684Cu K\u8fb9FT-EXAFS\u66f2\u7ebf\u3002(d)\u63d0\u51fa\u4e86Cu\u57faSACs\u7684ORR\u673a\u5236\u00a9 2022 American Chemical Society<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><b><\/b><strong><b>\u5229\u7528\u539f\u4f4dSR-FTIR\u5149\u8c31\u8ddf\u8e2a<\/b><\/strong><strong><b>\u5143\u7d20<\/b><\/strong><strong><b>\u7684\u6f14\u5316<\/b><\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u63a2\u7d22\u7535\u50ac\u5316\u5242\u6d3b\u6027\u4f4d\u4e0a\u7684\u4e2d\u95f4\u6f14\u5316\u5bf9\u4e8e\u7406\u89e3\u5176\u6f5c\u5728\u7684\u7535\u50ac\u5316\u673a\u7406\u975e\u5e38\u91cd\u8981\u3002\u4e3a\u6b64\uff0c\u672c\u5de5\u4f5c\u91c7\u7528\u539f\u4f4dSR- FTIR\u5149\u8c31\u7814\u7a76\u4e86\u8fc7\u6e21\u91d1\u5c5e\u57faSACs\u5728\u9178\u6027OER\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u56fa\u6db2\u754c\u9762\u4e0a\u7684\u8868\u9762\u5143\u7d20\u6f14\u5316(\u56fe6)\u3002\u91c7\u7528\u4e00\u79cd\u72ec\u7279\u7684\u5f02N\u914d\u4f4dCo\u57faSAC (HNC-Co SAC)\u4f5c\u4e3a\u7406\u60f3\u7684OER\u6a21\u578b\u50ac\u5316\u5242\u8fdb\u884c\u539f\u4f4dSR-FTIR\u7814\u7a76\u3002\u5f53\u65bd\u52a0&gt;1.38 V\u7684\u7535\u4f4d\u65f6\uff0cHNC-Co\u50ac\u5316\u5242\u5728\u7ea61248 cm<sup>-1<\/sup>\u5904\u51fa\u73b0\u4e86\u65b0\u7684\u5438\u6536\u5e26(\u56fe6a)\uff0c\u8be5\u5438\u6536\u5e26\u5f52\u5c5e\u4e3aCo\u6d3b\u6027\u4f4d\u4e0a\u952e*O\u4e2d\u95f4\u4f53\u7684\u5f62\u6210\u3002\u6b64\u5916\uff0c1248cm<sup>-1<\/sup>\u7684\u632f\u52a8\u5e26\u5f3a\u5ea6\u968f\u7740\u7535\u4f4d\u7684\u589e\u52a0\u800c\u9010\u6e10\u589e\u5f3a\uff0cCo-N\u5438\u6536\u5e26\u57281048~978cm<sup>-1<\/sup>\u00a0(\u56fe6b\u548c6c)\u4e4b\u95f4\u53d1\u751f\u4e86\u7535\u4f4d\u4f9d\u8d56\u6027\u7684\u7ea2\u79fb\u3002<strong><b>\u8fd9\u4e00\u7ed3\u679c<\/b><\/strong><strong><b>\u8868\u660e<\/b><\/strong><strong><b>\uff0c\u5728OER\u8fc7\u7a0b\u4e2d\uff0c\u4ece\u5b64\u7acb\u7684Co\u4f4d\u5411\u90bb\u8fd1\u7684N\u539f\u5b50\u7684\u52bf\u9a71\u52a8\u7535\u5b50\u8f6c\u79fb\u53ef\u4ee5\u6709\u6548\u5730\u4fc3\u8fdbHNC-Co\u50ac\u5316\u5242Co\u4f4d\u4e0a\u5173\u952e*O\u4e2d\u95f4\u4f53\u7684\u51fa\u73b0\uff0c\u5e76\u5f62\u6210\u6d3b\u6027\u7684H<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><strong><b>N-(*O-Co)-N<\/b><\/strong><strong><sub><b>4<\/b><\/sub><\/strong><strong><b>\u5206\u5b50\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u76844e-OER\u52a8\u529b\u5b66<\/b><\/strong>\u3002\u901a\u8fc7\u5c06\u8fd9\u4e9b\u4fe1\u606f\u4e0eDFT\u8ba1\u7b97\u76f8\u7ed3\u5408\uff0c\u63ed\u793a\u4e86\u6d3b\u6027H<sub>2<\/sub>N-(*O-Co)-N<sub>4<\/sub>\u5206\u5b50\u5728\u9178\u6027OER\u8fc7\u7a0b\u4e2d\u5bf9O-O\u8026\u5408\u8d77\u5173\u952e\u4f5c\u7528(\u56fe6d)\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u672c\u5de5\u4f5c\u5229\u7528\u539f\u4f4dSR-FTIR\u5149\u8c31\u76d1\u6d4b\u4e86\u6676\u683c\u5e94\u53d8NiFe\u57faMOF(NiFe-MOF)\u53cc\u529f\u80fd\u7535\u50ac\u5316\u5242\u5728ORR\u548cOER\u8fc7\u7a0b\u4e2d\u6db2\u56fa\u754c\u9762\u4e0a\u7684\u53cd\u5e94\u4e2d\u95f4\u4f53\u6f14\u5316(\u56fe7)\u3002\u7ed3\u5408DFT\u8ba1\u7b97\uff0c\u672c\u5de5\u4f5c\u53d1\u73b0\u6676\u683c\u5e94\u53d8NiFe-MOF\u4e2d\u952e*OOH\u4e2d\u95f4\u751f\u6210\u7684\u80fd\u5792\u5927\u5927\u964d\u4f4e\uff0c\u5bfc\u81f4\u57fa\u672c\u6eb6\u6db2\u76844e-ORR\u548cOER\u52a8\u529b\u5b66\u901f\u7387\u52a0\u5feb\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-239997\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-62.png\" alt=\"\" width=\"498\" height=\"379\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-62.png 498w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-62-300x228.png 300w\" sizes=\"(max-width: 498px) 100vw, 498px\" \/><\/p>\n<p>\u56fe6. (a-c) HNC-Co SACs\u5728OER\u8fc7\u7a0b\u4e2d\u7684\u539f\u4f4dSR-FTIR\u5149\u8c31\u3002(d) HNC-Co SAC\u7684\u62df\u8baeOER\u673a\u5236\u00a9 2022 American Chemical Society<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-240001\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-69.png\" alt=\"\" width=\"567\" height=\"304\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-69.png 567w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-69-300x161.png 300w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/p>\n<p>\u56fe7. \u539f\u4f4dSR-FTIR-MOFs\u5728ORR\u548cOER\u8fc7\u7a0b\u4e2d\u7684\u539f\u4f4dSR-FTIR\u5149\u8c31\u00a9 2022 American Chemical Society<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><b><\/b><strong><b>\u57fa\u4e8e\u76f8\u5173SR-XAFS\/FTIR\u5149\u8c31\u7684\u52a8\u6001\u7814\u7a76<\/b><\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>SR-XAFS\/FTIR\u5149\u8c31\u7684\u76f8\u5173\u539f\u4f4d\u68c0\u6d4b\u4e3a\u6c27\u52a8\u529b\u5b66\u7814\u7a76\u5f00\u8f9f\u4e86\u4e00\u6761\u72ec\u7279\u7684\u9014\u5f84\uff0c\u53ef\u4ee5\u5c06\u6d3b\u6027\u4e2d\u5fc3\u7684\u7ed3\u6784\u53d8\u5316\u4e0e\u4f34\u968f\u7684\u4e2d\u4ecb\u6f14\u5316\u8054\u7cfb\u8d77\u6765\u3002<strong><b>\u6700\u8fd1\uff0c<\/b><\/strong><strong><b>\u672c\u5de5\u4f5c<\/b><\/strong><strong><b>\u5229\u7528\u76f8\u5173\u7684SR-XAFS\u548cSR-FTIR\u5149\u8c31\u7814\u7a76\u4e86\u5f02\u8d28\u6c2e\u914d\u7f6eIr\u57faSACs\u4e2d\u5b64\u7acbIr\u4f4d\u7684\u52a8\u6001\u6f14\u5316<\/b><\/strong>\u3002\u57281.25 V\u7684\u7535\u4f4d\u4e0b\uff0c\u767d\u7ebf\u5cf0\u548c\u6700\u8fd1\u7684Ir-N\/O\u914d\u4f4d\u58f3\u5c42\u7684\u5cf0\u5f3a\u5ea6\u660e\u663e\u9ad8\u4e8e\u5916\u4f4d\u6001(\u56fe8a\u548c8b)\u3002\u968f\u540e\uff0c\u76f8\u5e94\u7684XAFS\u62df\u5408\u5206\u6790\u5c061.25 V\u5904\u7684\u589e\u5f3a\u5cf0\u5f3a\u5ea6\u9664\u521d\u59cb\u7684\u5e73\u9762Ir<sub>1<\/sub>-N<sub>4<\/sub>\u6784\u578b\u5916\uff0c\u5206\u914d\u7ed9\u9884\u50ac\u5316\u9636\u6bb5Ir\u4f4d\u4e0a\u65b0\u5f62\u6210\u7684Ir-O\u952e\u3002\u968f\u540e\uff0c\u76f8\u5e94\u7684XAFS\u62df\u5408\u5206\u6790\u5c061.25V\u5904\u7684\u589e\u5f3a\u5cf0\u5f3a\u5ea6\u6307\u6d3e\u7ed9\u9884\u50ac\u5316\u9636\u6bb5Ir\u4f4d\u4e0a\u65b0\u5f62\u6210\u7684Ir-O\u952e\u4ee5\u53ca\u521d\u59cb\u7684\u65b9\u5e73\u9762Ir<sub>1<\/sub>-N<sub>4<\/sub>\u6784\u578b\u3002\u5f53\u8fbe\u52301.35\u548c1.45 V\u7684\u589e\u52a0\u7535\u4f4d\u65f6\uff0c\u968f\u7740Ir-N\/O\u5cf0\u4f4d\u7f6e\u76f8\u5bf9\u4e8e1.25 V\u7684\u7b2c\u4e00\u4e2a\u7ea2\u79fb(1.35 V)\u548c\u968f\u540e\u7684\u84dd\u79fb(1.45 V)\uff0cIr-N\/O\u5cf0\u7684\u5f3a\u5ea6\u589e\u5f3a(\u56fe8b)\u3002\u4ece\u5b9a\u91cf\u4e0a\u770b\uff0cXAFS\u62df\u5408\u5206\u6790\u663e\u793a\uff0c\u57281.35 V\u65f6\uff0c\u4e0e1.25 V\u65f6\u552f\u4e00\u7684Ir-O\u952e\u76f8\u6bd4\uff0c\u5b64\u7acbIr\u4e2d\u5fc3\u7684Ir-O\u952e\u914d\u4f4d\u6570\u589e\u52a0\u52302\uff0c<strong><b>\u8fd9\u53ef\u80fd\u9884\u793a\u7740Ir\u57faSACs Ir\u4e2d\u5fc3\u4e0a\u5173\u952e\u6c27\u4e2d\u95f4\u4f53\u5728\u50ac\u5316\u9636\u6bb5\u7684\u8fdb\u4e00\u6b65\u5f62\u6210<\/b><\/strong>\u3002<\/p>\n<p>\u4e3a\u4e86\u8bc1\u5b9e\u8fd9\u4e00\u63a8\u6d4b\uff0c\u5bf9\u8fd9\u4e9bIr\u57faSACs\u8fdb\u884c\u4e86\u539f\u4f4dSR-FTIR\u6d4b\u8bd5\uff0c\u5982\u56fe8c\u548c8d\u6240\u793a\u3002\u57281.25 V\u7684\u5916\u52a0\u7535\u4f4d\u4e0b\uff0c\u9996\u6b21\u89c2\u5bdf\u5230784 cm<sup>-1<\/sup>\u7684\u65b0\u5438\u9644\u5e26\uff0c\u5f52\u5c5e\u4e3aIr\u4f4d\u4e0a\u65b0\u5f62\u6210\u7684\u52a8\u529b\u5b66\u8026\u5408*O\u3002\u5f53\u5916\u52a0\u7535\u4f4d\u8fbe\u52301.35 V\u6216\u66f4\u9ad8\u65f6\uff0c\u57281055 cm<sup>-1<\/sup>\u5904\u51fa\u73b0\u53e6\u4e00\u4e2a\u65b0\u7684\u632f\u52a8\u5e26\uff0c\u8fd9\u662f\u7531\u4e8eIr\u57faSACs\u7684\u5b64\u7acbIr\u4f4d\u4e0a\u65b0\u5f62\u6210\u4e86*OOH\u4e2d\u95f4\u4f53\u3002\u636e\u6b64\uff0c\u57fa\u4e8e\u76f8\u5173\u7684SR-XAFS FTIR\u5206\u6790\uff0c\u56fe8e\u793a\u610f\u4e86Ir\u57faSACs\u5728\u9178\u6027OER\u8fc7\u7a0b\u4e2d\u7684\u52a8\u6001\u6f14\u5316\uff0c<strong><b>\u5176\u4e2d\u9884\u50ac\u5316\u9636\u6bb5\u5f62\u6210\u7684\u52a8\u6001\u8026\u5408*O\u53ef\u4ee5\u6709\u6548\u5730\u4fc3\u8fdb\u6c34\u5206\u5b50\u5728OER\u8fc7\u7a0b\u4e2d\u7684\u540e\u7eed\u8131\u8d28\u5b50\uff0c\u5728\u5b64\u7acbIr\u4f4d\u4e0a\u4f9d\u6b21\u751f\u6210\u5173\u952e\u7684*OH\u548c*OOH\u4e2d\u95f4\u4f53<\/b><\/strong>\u3002<\/p>\n<p>\u9664\u4e86OER\u8fc7\u7a0b\u4e2d\u7684\u52a8\u529b\u5b66\u89c2\u6d4b\u5916\uff0c\u57fa\u4e8e\u76f8\u5173\u7684SR-XAFS\u548cSR-FTIR\u5149\u8c31\uff0c\u672c\u5de5\u4f5c\u6700\u8fd1\u7684\u5de5\u4f5c\u8fd8\u62a5\u9053\u4e86Ni<sub>1<\/sub>-NC SACs\u5728ORR\u8fc7\u7a0b\u4e2d\u5b64\u7acb\u91d1\u5c5e\u4f4d\u7684\u52a8\u529b\u5b66\u6f14\u5316\u3002\u5f53\u5916\u52a0\u7535\u4f4d\u4ece0.95 V\u964d\u4f4e\u52300.70 V\u65f6\uff0c\u6839\u636e\u539f\u59cb\u767d\u7ebf\u5cf0\u7684\u5f62\u72b6\u548c\u5f3a\u5ea6\u53d8\u5316\uff0cNi<sub>1<\/sub>-NC SACs\u53ef\u4ee5\u8bc6\u522b\u51fa\u91d1\u5c5e\u4ef7\u6001\u4e3aNi<sub>1<\/sub>(2-\u03b4)+(\u03b4\u7ea6\u4e3a0.5)\u7684\u4e9a\u7a33\u6001Ni\u7684\u5f62\u6210(\u56fe9a)\u3002\u6b64\u5916\uff0c\u56fe9b\u548c9c\u4e2d\u76f8\u5e94\u7684FT-XAFS\u548cWT-XAFS\u66f2\u7ebf\u663e\u793a\uff0c\u5f53\u5916\u52a0\u7535\u4f4d\u4ece0.95 V\u964d\u4f4e\u52300.85 V\u65f6\uff0cNi-N\/O\u5cf0\u7684\u7ea2\u79fb\u7ea6\u4e3a0.05\u03bcA\uff0c\u5cf0\u5f3a\u660e\u663e\u8870\u51cf\u3002<strong><b>\u8fd9\u79cd\u6f14\u5316\u7684Ni<\/b><\/strong><strong><sub><b>1<\/b><\/sub><\/strong><strong><b>-N<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><strong><b>\u4e2d\u5fc3\u88ab\u8ba4\u4e3a\u6709\u6548\u5730\u4fc3\u8fdb\u4e86O<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><strong><b>\u5206\u5b50\u524d\u9a71\u4f53\u5728ORR\u8fc7\u7a0b\u4e2d\u5728Ni<\/b><\/strong><strong><sub><b>1<\/b><\/sub><\/strong><strong><b>-NC SACs\u7684\u5b64\u7acbNi\u4f4d\u4e0a\u5438\u9644\u548c\u89e3\u79bb\u5f62\u6210*O\u4e2d\u95f4\u4f53<\/b><\/strong>\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-239998\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-66.png\" alt=\"\" width=\"643\" height=\"341\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-66.png 643w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-66-300x159.png 300w\" sizes=\"(max-width: 643px) 100vw, 643px\" \/><\/p>\n<p>\u56fe8. (a) Ir\u57faSACs\u5728OER\u8fc7\u7a0b\u4e2d\u7684\u539f\u4f4dIrL<sub>3<\/sub>-\u8fb9XANES\u8c31\u3002(b)\u76f8\u5e94\u7684Ir L<sub>3<\/sub>-Edge K<sub>2<\/sub>-Weighted Ft-EXAFS for Ir-Based SACs\u3002(c,d) Ir\u57faSAC\u5728OER\u8fc7\u7a0b\u4e2d\u7684\u539f\u4f4dSR-FTIR\u6d4b\u91cf\u3002(e) Ir\u57faSAC\u5728OER\u8fc7\u7a0b\u4e2d\u7684\u52a8\u6001\u6f14\u5316\u65b9\u6848\u00a9 2022 American Chemical Society<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-239999\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-67.png\" alt=\"\" width=\"514\" height=\"449\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-67.png 514w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/07\/\u56fe\u7247-67-300x262.png 300w\" sizes=\"(max-width: 514px) 100vw, 514px\" \/><\/p>\n<p>\u56fe9. (a-c) Ni SACs\u5728ORR\u8fc7\u7a0b\u4e2d\u7684\u539f\u4f4dNi K\u8fb9SR-XAFS\u8c31\u3002(d-f) ORR\u8fc7\u7a0b\u4e2d\u4ee5\u540c\u4f4d\u7d20<sup>18<\/sup>O2\u548c<sup>16<\/sup>O<sub>2<\/sub>\u4e3a\u6c27\u6e90\u7684\u539f\u4f4dSR-FTIR\u5149\u8c31\u00a9 2022 American Chemical Society<\/p>\n<p><strong><b>\u3010\u6210\u679c\u542f\u793a\u3011<\/b><\/strong><\/p>\n<p><strong><b>\u603b\u4e4b\uff0c\u672c\u5de5\u4f5c\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u6c27\u52a8\u529b\u5b66\u7814\u7a76\u7684\u60c5\u51b5\u3002\u6709\u5173\u56fa\u6db2\u754c\u9762\u52a8\u529b\u5b66\u7684\u6709\u8da3\u73b0\u8c61\u548c\u53d1\u73b0\uff0c\u6700\u521d\u662f\u57fa\u4e8e\u76f8\u5173\u7684\u539f\u4f4dSR-XAFS\u548cSR-FTIR\u7814\u7a76\u63ed\u793a\u7684<\/b><\/strong>\u3002\u76ee\u524d\uff0c\u76f8\u5173\u7684\u539f\u4f4dSR-XAFS\/FTIR\u5149\u8c31\u901a\u5e38\u5728\u51e0\u5206\u949f\u7684\u65f6\u95f4\u5c3a\u5ea6\u5185\u83b7\u5f97\uff0c\u672c\u8d28\u4e0a\u53cd\u6620\u4e86\u56fa\u6db2\u754c\u9762\u7684\u5e73\u5747\u52a8\u6001\u6f14\u5316\u3002<strong><b>\u867d\u7136\u76ee\u524d\u8fd8\u5904\u4e8e\u8d77\u6b65\u9636\u6bb5\uff0c\u4f46\u53ef\u4ee5\u9884\u89c1\u5728\u50ac\u5316\u673a\u7406\u7814\u7a76\u4e2d\u5f00\u53d1\u76f8\u5173\u7684SR-XAFS\/FTIR\u5149\u8c31\u6280\u672f\u7684\u5e7f\u9614\u7a7a\u95f4<\/b><\/strong>\u3002\u7279\u522b\u662f\u65b0\u5174\u7684\u524d\u6cbf\u7a7a\u95f4\u5206\u8fa8\u548c\/\u6216\u65f6\u95f4\u5206\u8fa8\u7684SR-XAFS\/FTIR\u5149\u8c31\u5c06\u5728\u5fae\u7c73\u533a\u548c\/\u6216\u5fae\u79d2\/\u4e9a\u7eb3\u79d2\u65f6\u95f4\u5c3a\u5ea6\u4e0a\u5bf9\u7535\u50ac\u5316\u5242\u5728\u6709\u8da3\u7535\u50ac\u5316\u8fc7\u7a0b\u4e2d\u7684\u52a8\u6001\u6f14\u5316\u63d0\u4f9b\u66f4\u6e05\u6670\u7684\u8ba4\u8bc6\uff0c\u53ef\u4ee5\u6210\u4e3a\u6750\u6599\u79d1\u5b66\u548c\u7535\u5316\u5b66\u9886\u57df\u5256\u6790\u50ac\u5316\u5242\u6f5c\u5728\u5feb\u901f\u52a8\u6001\u8fc7\u7a0b\u7684\u975e\u5e38\u91cd\u8981\u548c\u6709\u529b\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u7b2c\u4e00\u4f5c\u8005\uff1a\u7a0b\u4f4d\u4efb\uff0c\u82cf\u5fbd<\/p>\n<p>\u901a\u8baf\u4f5c\u8005\uff1a\u5218\u5e86\u534e<\/p>\n<p>\u901a\u8baf\u5355\u4f4d\uff1a\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\uff08\u5408\u80a5\uff09<\/p>\n<p>\u8bba\u6587doi\uff1a<\/p>\n<p>https:\/\/doi.org\/10.1021\/acs.accounts.2c00239<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5bfc\u8bfb\u3011 \u6d89\u53ca\u6c27\u7684\u7535\u50ac\u5316\u8fc7\u7a0b\uff0c\u5305\u62ec\u6790\u6c27\u53cd\u5e94(OER)\u548c\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\uff0c\u662f\u4e00\u7cfb\u5217\u5148\u8fdb\u7684\u73b0\u4ee3\u80fd\u6e90\u8f6c\u6362\u548c\u5b58\u50a8\u6280\u672f\u7684\u6838\u5fc3\uff0c\u5982\u6c34\u7535\u89e3\u69fd\u3001\u71c3\u6599\u7535\u6c60\u548cCO2\u8fd8\u539f\u6216\u56fa\u6c2e\u88c5&#8230;<\/p>\n","protected":false},"author":35234,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-239991","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/239991"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/35234"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=239991"}],"version-history":[{"count":2,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/239991\/revisions"}],"predecessor-version":[{"id":240016,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/239991\/revisions\/240016"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=239991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=239991"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=239991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}