{"id":248660,"date":"2023-03-28T06:15:04","date_gmt":"2023-03-27T22:15:04","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=248660"},"modified":"2023-03-27T13:40:26","modified_gmt":"2023-03-27T05:40:26","slug":"%e8%bf%99%e7%af%87am%e6%9c%89%e7%82%b9%e4%b8%9c%e8%a5%bf%ef%bc%8c%e6%8e%ba%e6%9d%82%e7%9f%b3%e5%a2%a8%e7%83%af%e9%87%8f%e5%ad%90%e7%82%b9%e5%ae%9e%e7%8e%b0%e9%ab%98%e6%95%88%e7%94%b5%e5%82%ac%e5%8c%96","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=248660","title":{"rendered":"\u8fd9\u7bc7AM\u6709\u70b9\u4e1c\u897f\uff0c\u63ba\u6742\u77f3\u58a8\u70ef\u91cf\u5b50\u70b9\u5b9e\u73b0\u9ad8\u6548\u7535\u50ac\u5316\u5236\u5907H2O2\uff01"},"content":{"rendered":"

\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u7535\u5316\u5b66\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u53ef\u901a\u8fc72e–<\/sup>\u901a\u9053\u9010\u6b65\u751f\u6210\u8fc7\u6c27\u5316\u6c22\uff08H2<\/sub>O2<\/sub>\uff09\u6216\u901a\u8fc74e–<\/sup>\u901a\u9053\u9010\u6b65\u751f\u6210H2<\/sub>O\u3002\u5728\u71c3\u6599\u7535\u6c60\u6216\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u7684\u9634\u6781\u4e2d\uff0c\u540e\u4e00\u79cd\u9014\u5f84\u7684\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u8f83\u9ad8\u3002\u524d\u8005\u5bf9\u4e8e\u751f\u4ea7\u5e7f\u53d7\u6b22\u8fce\u7684H2<\/sub>O2<\/sub>\u8fd9\u4e00\u201c\u7eff\u8272\u5316\u5b66\u54c1\u201d\u5177\u6709\u6df1\u8fdc\u610f\u4e49\u3002\u5982\u679c\u80fd\u5b9e\u73b0\u5de5\u4e1a\u89c4\u6a21\u7684\u7535\u5316\u5b66\u5408\u6210H2<\/sub>O2<\/sub>\uff0c\u5c31\u53ef\u4ee5\u53d6\u4ee3\u4f20\u7edf\u7684H2<\/sub>O2<\/sub>\u5de5\u4e1a\u751f\u4ea7\u7684\u65b9\u6cd5\u2014\u84bd\u918c\u6cd5\uff0c\u8be5\u65b9\u6cd5\u80fd\u8017\u5927\uff0c\u9700\u8981\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\uff0c\u5e76\u4e14\u6613\u4ea7\u751f\u5927\u91cf\u5e9f\u7269\u7b49\u3002\u56e0\u6b64\uff0c\u4eba\u4eec\u4e00\u76f4\u81f4\u529b\u4e8e\u5f00\u53d1\u9ad8\u6548\u7684\u751f\u4ea7H2<\/sub>O2<\/sub>\u7684\u7535\u50ac\u5316\u5242\u3002\u4e0e\u91d1\u5c5e\u57fa\u7535\u50ac\u5316\u5242\u76f8\u6bd4\uff0c\u78b3\u57fa\u7535\u50ac\u5316\u5242\u5177\u6709\u50a8\u91cf\u4e30\u5bcc\u3001\u6027\u80fd\u53ef\u8c03\u3001\u7ed3\u6784\u7a33\u5b9a\u7b49\u4f18\u70b9\u3002\u7136\u800c\uff0c\u5927\u591a\u6570\u6742\u539f\u5b50\u63ba\u6742\u78b3\u6750\u6599\u66f4\u503e\u5411\u4e8e4e– <\/sup>ORR\u3002\u56e0\u6b64\uff0c\u8feb\u5207\u9700\u8981\u5236\u5907\u4e00\u79cd\u53ef\u7528\u4e8e2e– <\/sup>ORR\u7684\u9ad8\u6027\u80fd\u78b3\u57fa\u7535\u50ac\u5316\u5242\u3002<\/p>\n

\u00a0<\/strong>\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u5357\u4eac\u6797\u4e1a\u5927\u5b66\u848b\u5251\u6625\u9662\u58eb\u3001\u8303\u5b5f\u5b5f\u526f\u6559\u6388\u8054\u5408\u4e0a\u6d77\u5927\u5b66\u738b\u4eae\u6559\u6388\uff0c\u7f8e\u56fd\u8f9b\u8f9b\u90a3\u63d0\u5927\u5b66\u90ac\u9759\u6770\u6559\u6388<\/strong>\u8bbe\u8ba1\u4e86\u5404\u79cd\u63ba\u6742\u548c\u529f\u80fd\u5316\u7684\u77f3\u58a8\u70ef\u91cf\u5b50\u70b9\uff08GQDs\uff09\u6765\u63ed\u793aORR\u751f\u6210H2<\/sub>O2<\/sub>\u7684\u78b3\u6750\u6599\u7684\u5173\u952e\u6d3b\u6027\u4f4d\u70b9\u3002DFT\u7684\u8ba1\u7b97\u9884\u6d4b\uff0c\u8fb9\u7f18N\u3001B\u63ba\u6742\u5242\u5bf9\u548c\u8fdb\u4e00\u6b65\u7684-OH\u529f\u80fd\u5316B\uff08N-B-OH\uff09\u7684\u8fb9\u7f18\u7ed3\u6784\u662f\u4e00\u4e2a\u901a\u8fc72e–<\/sup>\u9014\u5f84\u7684ORR\u6d3b\u6027\u4e2d\u5fc3\u3002\u4e3a\u4e86\u9a8c\u8bc1\u4e0a\u8ff0\u731c\u60f3\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7-NH2<\/sub>\u8fb9\u7f18\u529f\u80fd\u5316GQDs\u4e0eH3<\/sub>BO3<\/sub>\u7684\u6c34\u70ed\u53cd\u5e94\u8bbe\u8ba1\u5e76\u5408\u6210\u4e86\u5177\u6709N-B-OH\u5bcc\u96c6\u5bc6\u5ea6\u7684GQDs\uff08NBO-GQDs\uff09\uff0c\u5f62\u6210\u4e86\u542b\u6709N-B-OH\u7ed3\u6784\u7684\u516d\u5143\u6742\u73af\u3002\u5f53NBO-GQDs\u5206\u6563\u5728\u5bfc\u7535\u78b3\u57fa\u5e95\u4e0a\u65f6\uff0cNBO-GQDs\u5728\u65cb\u8f6c\u73af\u76d8\u7535\u6781\u88c5\u7f6e\u4e2d\u7684\u78b1\u6027\u6eb6\u6db2\u4e2d\u57280.7V-0.8V\u4e0b\u663e\u793a\u51fa\u8d85\u8fc790%\u7684H2<\/sub>O2<\/sub>\u9009\u62e9\u6027\u3002\u7ecf\u8fc712 h\u7684\u7a33\u5b9a\u6027\u8bd5\u9a8c\uff0c\u9009\u62e9\u6027\u4ecd\u4fdd\u6301\u521d\u59cb\u503c\u768490%\u3002\u5728\u6d41\u52a8\u6c60\u88c5\u7f6e\u4e2d\uff0cH2<\/sub>O2<\/sub>\u7684\u751f\u4ea7\u901f\u7387\u9ad8\u8fbe709 mmol gcatalyst<\/sub>-1<\/sup> h-1<\/sup>\uff0c\u4f18\u4e8e\u5927\u591a\u6570\u62a5\u9053\u7684\u78b3\u57fa\u548c\u91d1\u5c5e\u57fa\u7535\u50ac\u5316\u5242\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u53ef\u6301\u7eed\u751f\u4ea7H2<\/sub>O2<\/sub>\u7684\u9ad8\u6548\u78b3\u57fa\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u63d0\u4f9b\u601d\u8def\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cN-B-OH site-activated graphene quantum dots for boosting electrochemical hydrogen peroxide production<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u77e5\u540d\u671f\u520aAdv. Mater.<\/em><\/strong>\u4e0a\uff0c\u8303\u5b5f\u5b5f\u526f\u6559\u6388\u4e3a\u672c\u6587\u7684\u5e76\u5217\u7b2c\u4e00\u4f5c\u8005\u517c\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n

\u901a\u8fc7DFT\u548c\u5b9e\u9a8c\u9a8c\u8bc1\u7684N-B-OH\u7ed3\u6784\u7684\u6700\u4f73\u50ac\u5316\u4f4d\u70b9\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u76842e–<\/sup> ORR\u7684\u50ac\u5316\u6d3b\u6027\uff0c\u7531\u6b64\u5236\u5907\u7684NBO-GQDs\u663e\u793a\u51fa\u9ad8\u6548\u7684H2<\/sub>O2<\/sub>\u9009\u62e9\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u5728\u6d41\u52a8\u6c60\u4e2dH2<\/sub>O2<\/sub>\u7684\u751f\u4ea7\u901f\u7387\u9ad8\u8fbe709 mmol gcatalyst<\/sub>-1<\/sup> h-1<\/sup>\u3002<\/p>\n

\u00a0<\/strong>\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong>\u00a0\"\"<\/strong><\/p>\n

\u56fe<\/strong>1\u00a0 <\/strong>\u7b5b\u5206\u7ed3\u6784\u4e0e\u5c3a\u5bf8\u6548\u5e94<\/strong> \u00a9 The Authors<\/strong><\/p>\n

\uff08a\uff09B\u3001N\u3001O\u6539\u6027GQD\u7684\u53ef\u80fd\u6a21\u578b\u3002<\/p>\n

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\uff08c-d\uff09PyN-BOH-GQD\u8868\u97622 e–<\/sup> ORR\u57fa\u5e95\u53cd\u5e94\u8def\u5f84\u56fe\u3002<\/p>\n

\uff08e\uff09\u63ba\u6742\u77f3\u58a8\u70ef\u7ed3\u6784\u5728\u0394GOOH*\u548cUlimited<\/sub>\u4e4b\u95f4\u7684ORR\u706b\u5c71\u56fe\u3002<\/p>\n

\uff08f-h\uff090.5 nm GQD\u30012.0 nm GQD\u548c8 nm\u7684PyN-OH-\u7ed3\u6784\u7684\u7eb3\u7c73\u5e26\u7684ORR\u706b\u5c71\u56fe\u548cB\u539f\u5b50\u5438\u9644\u7684OOH*\u4e2d\u95f4\u4ea7\u7269\u7684\u9002\u5f53\u90e8\u5206\u6001\u5bc6\u5ea6\uff08PDOS\uff09\u3002<\/p>\n

\u00a0<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2\u00a0 NBO-GQDs<\/strong>\u7684\u5408\u6210\u3001\u5f62\u6001\u548c\u7ed3\u6784<\/strong> \u00a9 The Authors<\/strong><\/p>\n

\uff08a\uff09NBO-GQDs\u5408\u6210\u793a\u610f\u56fe\u3002<\/p>\n

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\uff08h-k\uff09NBO-GQDs\u7684\u9ad8\u5206\u8fa8\u7387C 1s\u3001B 1s\u3001N 1s\u548cO 1s XPS\u5149\u8c31\u3002<\/p>\n

\u00a0<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3 \u00a0<\/strong>\u7528\u4e8e<\/strong>2e–<\/sup> ORR<\/strong>\u7684\u50ac\u5316\u5242\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong> \u00a9 The Authors<\/strong><\/p>\n

\uff08a\uff09O2<\/sub>\u5728\u50ac\u5316\u5242\u4e0a\u8fd8\u539f\u4e3aH2<\/sub>O2<\/sub>\u7684\u5178\u578b\u65cb\u8f6c\u76d8\u7535\u6781\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u6cd5\u66f2\u7ebf\u3002<\/p>\n

\uff08b\uff09\u5728\u7535\u4f4d\u626b\u63cf\u8fc7\u7a0b\u4e2d\u8ba1\u7b97\u51fa\u7684H2<\/sub>O2<\/sub>\u9009\u62e9\u6027\u3002<\/p>\n

\uff08c\uff090.7 V\u65f6H2<\/sub>O2<\/sub>\u7535\u6d41\u548c\u9009\u62e9\u6027\u7684\u6bd4\u8f83\u3002<\/p>\n

\uff08d\uff090.4V\u65f6\u56fa\u5b9a\u7684\u76d8\u7535\u4f4d\u4e0bNBO-G\/CNTs\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002<\/p>\n

\uff08e\uff09NBOf-G\/CNTs\u3001N-G\/CNTs\u3001NBO-G\/CNTs-x\u57280.7 V\u65f6H2<\/sub>O2<\/sub>\u7535\u6d41\u548c\u9009\u62e9\u6027\u7684\u6bd4\u8f83\u3002<\/p>\n

\uff08f\uff090.5 V\u65f6H2<\/sub>O2<\/sub>\u9009\u62e9\u6027\u4e0e\u7535\u6d41\u968fN-B-OH\u542b\u91cf\u7684\u53d8\u5316\u8d8b\u52bf\u3002<\/p>\n

\uff08g\uff09\u5728\u78b1\u6027\u73af\u5883\u4e2dH2<\/sub>O2<\/sub>\u9009\u62e9\u6027\u4e0e\u62a5\u9053\u7684\u50ac\u5316\u5242\u7684\u6bd4\u8f83\u3002<\/p>\n

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\uff08i\uff09NBO-G\/CNTs\u50ac\u5316\u5242\u548c\u8bb8\u591a\u62a5\u9053\u7684\u7535\u50ac\u5316\u5242\u57280.65 V\u65f6\u7684\u8d28\u91cf\u6d3b\u6027\u6bd4\u8f83\u3002<\/p>\n

\u00a0<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4 \u00a0<\/strong>\u7528\u4e8e\u751f\u4ea7<\/strong>H2<\/sub>O2<\/sub><\/strong>\u7684\u6d41\u52a8\u6c60\u6027\u80fd<\/strong> \u00a9 The Authors<\/strong><\/p>\n

\uff08a\uff09\u6d41\u52a8\u6c60\u793a\u610f\u56fe\u3002<\/p>\n

\uff08b\uff09NBO-G\/CNTs\u5728\u6d41\u52a8\u6c60\u4e2d\u626b\u63cf\u901f\u7387\u4e3a10 mV s-1<\/sup>\u65f6\u7684LSV\u66f2\u7ebf\u3002<\/p>\n

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\u00a0<\/strong>\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u5728\u672c\u7814\u7a76\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u53d1\u73b0B\uff0cN-\u5171\u529f\u80fd\u5316GQDs\u5bf92e–<\/sup> ORR\u7684\u9ad8\u50ac\u5316\u6d3b\u6027\u6765\u81ea\u4e8eN-B-OH\u7ed3\u6784\u7684\u6700\u4f73\u50ac\u5316\u4f4d\u70b9\uff0cDFT\u548c\u5b9e\u9a8c\u7ed3\u679c\u90fd\u8bc1\u5b9e\u4e86\u8fd9\u4e00\u70b9\u3002\u4ee5NH2<\/sub>-GQDs\u4e3a\u6a21\u578b\uff0c\u901a\u8fc7\u7b80\u5355\u7684\u6c34\u70ed\u53cd\u5e94\uff0c\u5b9e\u9a8c\u8bbe\u8ba1\u5e76\u5236\u5907\u4e86N-B-OH\u4f4d\u70b9\u6d3b\u5316GQDs\u50ac\u5316\u5242\u3002\u7ed3\u6784\u8868\u5f81\u8868\u660e\uff0cNBO-GQDs\u4e3b\u8981\u542b\u6709N-B-OH\u7ed3\u6784\uff0c\u4f46\u4ecd\u4fdd\u6301\u4e86GQDs\u7684\u5178\u578b\u7eb3\u7c73\u7ed3\u6784\u3002NBO-GQDs\u5728\u5bfc\u7535\u78b3\u7eb3\u7c73\u7ba1\u4e0a\u5747\u5300\u56fa\u5b9a\u7684\u50ac\u5316\u6027\u80fd\u8868\u660e\uff0cNBO-GQD\u5177\u6709\u8f83\u9ad8\u7684H2<\/sub>O2<\/sub>\u9009\u62e9\u6027\u3001\u6b63\u8f6c\u79fbE<\/em>onset<\/sub>\u548c\u826f\u597d\u7684\u7a33\u5b9a\u6027\u3002\u4e3a\u4e86\u63a2\u7d22\u5176\u5e94\u7528\u524d\u666f\uff0c\u5728\u6d41\u6c60\u88c5\u7f6e\u4e2d\u5bf9NBO-G\/CNTs\u8fdb\u884c\u4e86\u6d4b\u8bd5\uff0cNBO-G\/CNTs\u8868\u73b0\u51fa\u8f83\u9ad8\u7684\u4ea7\u7387\u548cFE%\uff0c\u663e\u793a\u51fa\u5728\u7535\u5316\u5b66\u5408\u6210H2<\/sub>O2<\/sub>\u65b9\u9762\u7684\u5de8\u5927\u6f5c\u529b\u3002\u672c\u5de5\u4f5c\u901a\u8fc7\u7cbe\u786e\u8bbe\u8ba1H2<\/sub>O2<\/sub>\u7535\u5316\u5b66\u5408\u6210\u7684\u7279\u5b9a\u5206\u5b50\u7ed3\u6784\uff0c\u4e3a\u5f00\u53d1\u9ad8\u9009\u62e9\u6027\u6c27\u8fd8\u539f\u975e\u91d1\u5c5e\u7535\u50ac\u5316\u5242\u5f00\u8f9f\u4e86\u65b0\u9014\u5f84\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5<\/strong>\uff1aN-B-OH Site-activated Graphene Quantum Dots for Boosting Electrochemical Hydrogen Peroxide Production<\/a> (Adv. Mater.<\/em> 2023<\/strong>, DOI: 10.1002\/adma.202209086)<\/p>\n

\u672c\u6587\u7531\u5927\u5175\u54e5\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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