{"id":194158,"date":"2020-01-14T06:19:01","date_gmt":"2020-01-13T22:19:01","guid":{"rendered":"\/\/m.iemloyee.com\/?p=194158"},"modified":"2020-01-13T21:55:15","modified_gmt":"2020-01-13T13:55:15","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91%e6%96%af%e5%9d%a6%e7%a6%8f%e5%8c%97%e5%8c%96%e5%b7%a5nature-nanotechnology%ef%bc%9a%e6%b0%ae%e6%8e%ba%e6%9d%82%e7%ba%b3%e7%b1%b3%e9%87%91%e5%88%9a","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=194158","title":{"rendered":"\u65af\u5766\u798f&\u5317\u5316\u5de5Nature Nanotechnology\uff1a\u6c2e\u63ba\u6742\u7eb3\u7c73\u91d1\u521a\u77f3\/Cu\u754c\u9762\u534f\u540c\u589e\u5f3a\u50ac\u5316CO2\u8fd8\u539f\u4e3aC2\u542b\u6c27\u5316\u5408\u7269"},"content":{"rendered":"
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Chan<\/b><\/strong>\u6559\u6388<\/b><\/strong>\uff08<\/b><\/strong>\u5171\u540c<\/b><\/strong>\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u7b49\u4eba\u63d0\u51fa\u4e86\u4e00\u79cd\u8bbe\u8ba1\u539f\u7406\uff0c\u901a\u8fc7\u5408\u7406\u8c03\u6574\u6c2e\u63ba\u6742\u7eb3\u7c73\u91d1\u521a\u77f3\u548c\u94dc\u7eb3\u7c73\u9897\u7c92\u7684\u7ec4\u6210\uff0c\u521b\u5efa\u4e00\u79cd\u9ad8\u9009\u62e9\u6027\u7684\u3001\u9ad8\u7a33\u5b9a\u6027\u7684\u50ac\u5316\u754c\u9762\u5c06CO2<\/sub>\u8fd8\u539f\u4e3aC2<\/sub>\u542b\u6c27\u5316\u7269\u3002\u5728\u4ec5-0.5V\u7684\u5de5\u4f5c\u7535\u538b\u4e0b\uff0c\u8be5\u50ac\u5316\u5242\u5bf9C2\u542b\u6c27\u5316\u5408\u7269\u7684\u6cd5\u62c9\u7b2c\u6548\u7387\u4e3a~63\uff05\u3002\u6b64\u5916\uff0c\u8be5\u50ac\u5316\u5242\u5728120 h\u5185\u8868\u73b0\u51fa\u524d\u6240\u672a\u6709\u7684\u6301\u4e45\u50ac\u5316\u6027\u80fd\uff0c\u5177\u6709\u7a33\u5b9a\u7684\u7535\u6d41\u548c\u4ec519%\u7684\u6d3b\u6027\u8870\u51cf\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u8868\u660e\uff0cCO\u5728\u94dc\/\u7eb3\u7c73\u91d1\u521a\u77f3\u754c\u9762\u4e0a\u7684\u7ed3\u5408\u589e\u5f3a\uff0c\u964d\u4f4e\u4e86CO\u4e8c\u805a\u4f5c\u7528\u7684\u8868\u9762\u52bf\u5792\uff0c\u6291\u5236\u4e86CO\u7684\u89e3\u5438\uff0c\u8fdb\u800c\u4fc3\u8fdb\u4e86C2<\/sub>\u7684\u751f\u6210\u3002\u50ac\u5316\u5242\u7ec4\u4ef6\u7684\u56fa\u6709\u7ec4\u6210\u548c\u7535\u5b50\u53ef\u8c03\u6027\u4e3a\u50ac\u5316\u754c\u9762\u63d0\u4f9b\u4e86\u65e0\u4e0e\u4f26\u6bd4\u7684\u63a7\u5236\u7a0b\u5ea6\uff0c\u4ece\u800c\u63a7\u5236\u4e86\u53cd\u5e94\u52a8\u529b\u5b66\u548c\u52a8\u529b\u5b66\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201c<\/b><\/strong>Synergistic enhancement of electrocatalytic CO<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0reduction to C<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0oxygenates at nitrogen-doped nanodiamonds\/Cu interface<\/b><\/strong>\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Nature Nanotech.<\/b><\/strong>\u4e0a\uff0c\u7b2c\u4e00\u4f5c\u8005\u4e3a\u65af\u5766\u798f\u5927\u5b66\u535a\u58eb\u540e\u738b\u7ea2\u971e\u3001\u66fe\u5f66\u51ef\u548c\u7eaa\u6c38\u98de\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe1<\/b><\/strong> N-ND\u548cN-ND\/Cu\u590d\u5408\u6750\u6599\u7684\u5236\u5907\u539f\u7406\u56fe<\/b><\/strong> \u56fe2<\/b><\/strong>\u00a0ND\u548cN-ND\u7535\u6781\u6750\u6599\u7684\u7ed3\u6784\u3001\u6784\u578b\u548c\u7535\u5316\u5b66\u8868\u5f81<\/b><\/strong> a\uff0c\u5408\u6210\u7684N-ND\u6750\u6599\u7684\u4f4e\u500dSEM\u56fe\u50cf\u3002\u63d2\u56fe\uff1a\u76f8\u5e94\u7684\u9ad8\u500d\u7387\u3002<\/p>\n b\uff0c\u503e\u659c52\u00b0\u7684N-ND\u8584\u819c\u6a2a\u622a\u9762\u7684FIB\u56fe\u50cf\u3002<\/p>\n c\uff0cN-ND\u7684\u62c9\u66fc\u5149\u8c31\u3002<\/p>\n d\uff0cN-ND\u7684\u9ad8\u5206\u8fa8\u7387N 1s XPS\u5149\u8c31\u3002<\/p>\n e\uff0cN-ND\uff080.2\uff05\u6c2e\u539f\u5b50\u63ba\u6742\uff09\u7535\u6781\u5728\u4e0d\u540c\u5de5\u4f5c\u7535\u4f4d\u4e0b\u751f\u6210\u4e59\u9178\u76d0\u548c\u7532\u9178\u76d0\u79bb\u5b50\u7684\u9009\u62e9\u6027\u5206\u6790\u56fe\u3002\u8bef\u5dee\u68d2\u4ee3\u8868\u4e09\u4e2a\u72ec\u7acb\u6837\u54c1\u7684\u6807\u51c6\u504f\u5dee\u3002<\/p>\n f\uff0cN-ND\u7535\u6781\u5728\u4e0d\u540c\u5de5\u4f5c\u7535\u4f4d\u4e0b\u751f\u6210\u4e59\u9178\u76d0\u548c\u7532\u9178\u76d0\u7684\u4ea7\u91cf\u5206\u6790\u56fe\u3002<\/p>\n \u56fe3<\/b><\/strong>\u00a0N-ND\/Cu\u7535\u6781\u6750\u6599\u7684\u7ed3\u6784\u3001\u6784\u578b\u548c\u7535\u5316\u5b66\u8868\u5f81<\/b><\/strong> a\uff0cN-ND\/Cu\u7684HRTEM\u56fe\u50cf\u3002HRTEM\u56fe\u50cf\u663e\u793a\u4e86\u94dc\u548c\u7eb3\u7c73\u91d1\u521a\u77f3\u7684\u5b58\u5728\uff0c\u8fd9\u662f\u7531\u663e\u5fae\u56fe\u50cf\u4e2d\u6240\u9009\u533a\u57df\u7684\u6676\u683c\u6761\u7eb9\u6240\u8bc1\u5b9e\u7684\u3002<\/p>\n b\uff0cSTEM\u56fe\u50cf\uff08\u5de6\u4e0a\u65b9\uff09\u548cN-ND\/Cu\u7684\u76f8\u5e94EDX\u5149\u8c31\u5143\u7d20\u5206\u5e03\u56fe\uff08C\u3001N\u548cCu\uff09\u3002<\/p>\n c\uff0cN-ND\/Cu\u819c\u7684GIWAXS 2D\u56fe\u6848\u3002\u5728q = 2.55\u00c5-1<\/sup>\u5904\u4e5f\u89c2\u5bdf\u5230\u4e86\u5fae\u5f31\u7684\u5e73\u9762\u5916\u53cd\u5c04\u7535\u5f27\uff0c\u8be5\u7535\u5f27\u662f\u7531\u4e8e\u66b4\u9732\u4e8e\u7a7a\u6c14\u800c\u4e0eCu2<\/sub>O\uff08111\uff09\u53cd\u5c04\u76f8\u5173\u7684\u3002<\/p>\n d\uff0cN-ND\/Cu\u7535\u6781\u5728-0.4\u81f3-0.7 V\uff08vs. RHE\uff09\u7684\u7535\u52bf\u4e0b\u751f\u6210\u7532\u9178\u76d0\u3001\u7532\u9187\u3001\u4e59\u70ef\u3001\u4e59\u9178\u76d0\u548c\u4e59\u9187\u7684\u9009\u62e9\u6027\u5206\u6790\u56fe\u3002\u8bef\u5dee\u68d2\u4ee3\u8868\u4e09\u4e2a\u72ec\u7acb\u6837\u54c1\u7684\u6807\u51c6\u504f\u5dee\u3002<\/p>\n e\uff0cN-ND\/Cu\u548cN-ND\u7535\u6781\u5728\u9971\u548cCO2<\/sub>\u00a0\u76840.5 M\u00a0KHCO3<\/sub>\uff08pH 7.3\uff09\u4e2d\u7684LSV\u5bf9\u6bd4\u56fe\uff08\u626b\u63cf\u901f\u7387\u4e3a50 mV s-1<\/sup>\uff09\u3002<\/p>\n f\uff0cN-ND\/Cu\u7535\u6781\u751f\u6210\u7532\u9178\u76d0\u3001\u7532\u9187\u3001\u4e59\u70ef\u3001\u4e59\u9178\u76d0\u548c\u4e59\u9187\u7684\u901f\u7387\u3002\u00a0<\/p>\n g\uff0cN-ND\/Cu\u7535\u6781\u7684\u4e59\u9178\u76d0\u548c\u4e59\u9187\u7b49\u4ea7\u7269\u7684\u7684\u8d28\u91cf\u6d3b\u6027\u5206\u6790\u56fe\uff08\u5b89\u57f9\u6bcf\u514b\u94dc\uff09\u3002<\/p>\n h\uff0c\u5728\u957f\u671f\u7535\u89e3\u8fc7\u7a0b\u4e2d\uff0c\u6240\u6709CO2<\/sub>\u8fd8\u539f\u7684\u603bFEs\uff08\u7ea2\u7403\uff09\u548cN-ND\/Cu\u7535\u6781\u7684\u603b\u7535\u6d41\u5bc6\u5ea6\uff08\u7070\u7ebf\uff09\u3002\u5728-0.5 V\uff08vs. RHE\uff09\u7535\u89e324\u5c0f\u65f6\uff0c\u7535\u6d41\u5bc6\u5ea6\u548cFE\u5747\u53ea\u662f\u7565\u6709\u4e0b\u964d\u3002<\/p>\n \u56fe<\/b><\/strong>4 DFT\u8ba1\u7b97<\/b><\/strong> a\uff0cH\uff08\u84dd\u8272\uff09\u3001\u94dc\uff08\u7ea2\u8272\uff09\u4e0e\u88f8\u9732ND\uff08111\uff09\u8868\u9762\u7684\u7ed3\u5408\u81ea\u7531\u80fd\u4e0eH\u7684\u5316\u5b66\u52bf\u7684\u0394\u03bcH\u7684\u5173\u7cfb\u3002 \u7070\u8272\u865a\u7ebf\u8868\u793a\u5728\u91d1\u521a\u77f3\u5408\u6210\u6761\u4ef6\u548cCu\u6e85\u5c04\u6761\u4ef6\u4e0b\u7684\u0394\u03bcH\u3002<\/p>\n b\uff0c\u5728N-ND\uff08111\uff09\u4e0a\u5c06CO2<\/sub>\u8fd8\u539f\u4e3aHCOOH\uff08\u7ea2\u8272\uff09\u548cCO\uff08\u84dd\u8272\uff09\u7684\u81ea\u7531\u80fd\u56fe\u3002<\/p>\n c\uff0c\u5728Cu\uff08111\uff09\u8868\u9762\uff08\u7070\u8272\uff09\u548cND\/Cu\u754c\u9762\uff08\u84dd\u8272\uff09\u4e0aCO\u8026\u5408\u7684\u81ea\u7531\u80fd\u56fe\u3002<\/p>\n d\uff0c\u8868\u89c2\u81ea\u7531\u80fd\u5792\uff08Ga\uff09\u548cCO\u5438\u9644\u80fd\uff08Eb\uff09\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u7528X\uff08\u6216X + X’\uff09\u6807\u8bb0\u7684\u6570\u636e\u70b9\u8868\u793a\u7ed3\u6784\u6a21\u578b\u4e2d\u7684\u78b3X\uff08\u6216X + X’\uff09\u88abN\u4ee3\u66ff\u3002<\/p>\n \u3010\u5c0f\u7ed3<\/b><\/strong>\u3011<\/p>\n \u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u5c06\u94dc\u7eb3\u7c73\u7c92\u5b50\u63ba\u5165\u6c2e\u53c2\u6742\u7684\u7eb3\u7c73\u91d1\u521a\u77f3\u6750\u6599\u4e2d\uff0c\u751f\u6210N-ND\/Cu\u7684\u50ac\u5316\u754c\u9762\u7684\u8bbe\u8ba1\u539f\u5219\u3002\u7814\u7a76\u8868\u660e\uff0cCO2<\/sub>\u5230C2<\/sub>\u542b\u6c27\u5316\u7269\u7684\u8f6c\u5316\u786e\u5b9e\u53d1\u751f\u5728\u4e24\u79cd\u6750\u6599\u754c\u9762\u5904\uff0c\u5e76\u4e14\u53d7\u76ca\u4e8e\u4e24\u79cd\u7ec4\u5206\u7684\u534f\u540c\u4f5c\u7528\u3002\u5728N-ND\/Cu\u754c\u9762\uff0c\u53cd\u5e94\u52a8\u529b\u5b66\u6539\u53d8\uff0c\u6709\u5229\u4e8eC2+<\/sub>\u4ea7\u7269\u7684\u751f\u6210\uff0c\u4e0e\u76ee\u524d\u62a5\u9053\u7684\u5176\u4ed6\u4f53\u7cfb\u76f8\u6bd4\uff0c\u5177\u6709\u524d\u6240\u672a\u6709\u7684\u9ad8\u6d3b\u6027\u548c\u9009\u62e9\u6027\u3002\u5728\u4ec5\u65bd\u52a0-0.5 V\uff08vs. RHE\uff09\u7684\u7535\u538b\u4e0b\uff0c\u8be5\u50ac\u5316\u5242\u8868\u73b0\u51fa~63\uff05\u7684FE\uff08\u603bCO2<\/sub>\u00a0FE\u7ea6\u4e3a90\uff05\uff09\u548c\u751f\u6210C2<\/sub>\u542b\u6c27\u5316\u7269\uff08\u4e59\u9187\u548c\u4e59\u9178\u76d0\uff09~90\u03bcmoll-1<\/sup>\u00a0h-1<\/sup>\u7684\u751f\u4ea7\u901f\u7387\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5355\u4e00\u6750\u6599\u6c2e\u63ba\u6742\u7eb3\u7c73\u91d1\u521a\u77f3\u548cCu\u7eb3\u7c73\u9897\u7c92\u5bf9C2<\/sub>\u542b\u6c27\u5316\u7269\u7684\u751f\u4ea7\u6ca1\u6709\u6d3b\u6027\u3002N-ND\/Cu\u8f83\u4e4b\u524d\u7684\u7528\u4e8eCO2<\/sub>\u8fd8\u539f\u7684CuNP\u7535\u50ac\u5316\u5242\u6709\u660e\u663e\u7684\u63d0\u9ad8\uff0c\u50ac\u5316\u5bff\u547d\u5927\u5e45\u63d0\u5347\u81f3120 h\uff0c\u7535\u6d41\u7a33\u5b9a\uff0c\u6d3b\u6027\u8870\u51cf\u4ec519%\u3002\u7814\u7a76\u56e2\u961f\u9884\u8ba1\uff0c\u8fd9\u79cd\u754c\u9762\u6750\u6599-\u6750\u6599\u5e73\u53f0\u7684\u8bbe\u8ba1\u539f\u5219\u5c06\u9002\u7528\u4e8e\u5e7f\u6cdb\u7684\u50ac\u5316\u8f6c\u5316\uff0c\u5c24\u5176\u662f\u90a3\u4e9b\u9700\u8981\u53ef\u518d\u751f\u80fd\u6e90\u8f93\u5165\u548c\u6c34\u76f8\u5bb9\u6027\u7684\u50ac\u5316\u8f6c\u5316\u3002<\/p>\n<\/p>\n
<\/p>\n
<\/p>\n
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