{"id":193544,"date":"2020-01-04T06:04:13","date_gmt":"2020-01-03T22:04:13","guid":{"rendered":"\/\/m.iemloyee.com\/?p=193544"},"modified":"2020-01-03T21:04:36","modified_gmt":"2020-01-03T13:04:36","slug":"%e4%b8%ad%e7%a7%91%e9%99%a2%e5%8c%96%e5%ad%a6%e6%89%80%e7%8e%8b%e9%93%81%e5%9b%a2%e9%98%9fjacs%ef%bc%9a%e9%80%9a%e8%bf%87%e6%a8%a1%e6%9d%bf%e8%be%85%e5%8a%a9%e6%89%93%e5%8d%b0%e6%9d%a1%e7%ba%b9","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=193544","title":{"rendered":"\u4e2d\u79d1\u9662\u5316\u5b66\u6240\u738b\u94c1\u56e2\u961fJACS\uff1a\u901a\u8fc7\u6a21\u677f\u8f85\u52a9\u6253\u5370\u6761\u7eb9\u56fe\u6848\u8d85\u6676\u683c\u6c14\u4f53\u6790\u51fa\u50ac\u5316\u5242"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n

\u591a\u76f8\u50ac\u5316\u4f53\u7cfb\u662f\u5316\u5b66\u548c\u77f3\u5316\u5de5\u4e1a\u4e2d\u6700\u5e38\u89c1\u7684\u50ac\u5316\u4f53\u7cfb\uff0c\u5c24\u5176\u662f\u591a\u76f8\u50ac\u5316\u5242\u6d3b\u6027\u7684\u51b3\u5b9a\u56e0\u7d20\u53d7\u5230\u4e86\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u5438\u9644\u5728\u6750\u6599\u8868\u9762\u7684\u5206\u5b50\u7684\u5316\u5b66\u53cd\u5e94\u6d3b\u6027\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u591a\u76f8\u50ac\u5316\u5242\u7684\u7ed3\u6784\u548c\u7535\u5b50\u6027\u8d28\uff0c\u901a\u8fc7\u8fd9\u4e9b\u6027\u8d28\u53ef\u4ee5\u786e\u5b9a\u5438\u9644\u8fc7\u7a0b\u7684\u53ef\u7528\u80fd\u91cf\u4ee5\u53ca\u89e3\u79bb\u548c\u5316\u5b66\u53cd\u5e94\u7684\u8def\u5f84\u3002\u56e0\u6b64\uff0c\u5728\u8fc7\u53bb\u7684\u51e0\u5341\u5e74\u91cc\uff0c\u901a\u8fc7\u6539\u53d8\u591a\u76f8\u50ac\u5316\u5242\u7684\u7ec4\u6210\u548c\u7269\u7406\u7ed3\u6784\u6765\u8bbe\u8ba1\u5176\u7535\u5b50\u7ed3\u6784\u7684\u5de5\u4f5c\u5df2\u7ecf\u53d6\u5f97\u4e86\u5f88\u5927\u7684\u8fdb\u5c55\u3002\u6700\u7ec8\u76ee\u6807\u662f\u4e3a\u7279\u6b8a\u7684\u5316\u5b66\u53cd\u5e94\u548c\u9009\u62e9\u6027\u8fc7\u7a0b\u8bbe\u8ba1\u65b0\u7684\u50ac\u5316\u5242\u3002\u7136\u800c\uff0c\u7814\u7a76\u4eba\u5458\u5ffd\u7565\u4e86\u5bfb\u627e\u4e00\u79cd\u901a\u7528\u7684\u65b9\u6cd5\u6765\u63d0\u9ad8\u73b0\u6709\u975e\u5747\u76f8\u50ac\u5316\u5242\u5bf9\u7ed9\u5b9a\u53cd\u5e94\u7684\u50ac\u5316\u80fd\u529b\u4f1a\u66f4\u6709\u6548\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u4e2d\u79d1\u9662\u5316\u5b66\u6240\u738b\u94c1\u7814\u7a76\u5458\u56e2\u961f\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u62a5\u9053\u4e86\u94c2\uff08Pt\uff09\u7eb3\u7c73\u7c92\u5b50\uff08NPs\uff09\u5728\u6a21\u677f\u8f85\u52a9\u6253\u5370\u7684\u57fa\u7840\u4e0a\u6210\u529f\u7ec4\u88c5\u6210\u6761\u7eb9\u56fe\u6848\uff08SP\uff09\u8d85\u6676\u683c\u4ee5\u4ea7\u751fH2<\/sub>\u3002\u4e0e\u9010\u6ef4\u6d47\u94f8\u7684\u5e73\u9762Pt NPs\u8584\u819c\u76f8\u6bd4\uff0cSP\u8d85\u6676\u683c\u5bfc\u81f4\u66f4\u9ad8\u7684\u4f20\u8d28\u548c\u8f83\u5c0f\u7684\u6c14\u6ce1\u62c9\u4f38\u529b\uff0c\u8fd9\u4ee3\u8868\u4e86\u4e00\u79cd\u901a\u7528\u7b56\u7565\uff0c\u53ef\u63d0\u9ad8\u9884\u5148\u5b58\u5728\u7684Pt\u50ac\u5316\u5242\u7528\u4e8e\u6790\u6c22\u53cd\u5e94\uff08HER\uff09\u7684\u6548\u7387\u548c\u8010\u4e45\u6027\u3002\u56e0\u4e3a\u5176\u6bd4\u5546\u4e1aPt\/C\uff0cPt NP\u8584\u819c\u5177\u6709\u6bd4\u6587\u732e\u4e2d\u62a5\u9053\u7684\u8bb8\u591a\u5176\u4ed6Pt\u57fa\u6216\u975ePt\u57fa\u7684HER\u50ac\u5316\u5242\u66f4\u9ad8\u7684\u7535\u6d41\u5bc6\u5ea6\u3002\u6a21\u677f\u8f85\u52a9\u6253\u5370\u7684\u4e00\u822c\u6027\u8d28\u5bfc\u81f4\u4e86\u7ec4\u6210NPs\u6216\u5206\u5b50\u7684\u7ec4\u6210\u3001\u5927\u5c0f\u548c\u5f62\u72b6\u7684\u7075\u6d3b\u6027\uff0c\u4ece\u800c\u6269\u5c55\u4e86\u8fd9\u79cd\u52a0\u901f\u6280\u672f\uff0c\u7528\u4e8e\u4ea7\u751f\u6790\u6c27\u53cd\u5e94\uff08OER\uff09\u548cCO2<\/sub>\u7535\u5316\u5b66\u8fd8\u539f\u6210CO\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201c<\/b><\/strong>A general strategy to optimize gas evolution reaction via assembled striped-pattern superlattices<\/b><\/strong>\u201d<\/b><\/strong>\u53d1\u8868\u5728J. Am. Chem. Soc.<\/b><\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u56fe1<\/b><\/strong>\u00a0<\/b><\/strong>\u6c14\u6ce1\u5728\u5e73\u9762\u8584\u819c\u7535\u6781\u4e0a\u751f\u957f\u7684\u793a\u610f\u56fe<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09\u6c14\u6ce1\u5728\u5e73\u9762\u8584\u819c\u7535\u6781\u4e0a\u751f\u957f\u7684\u793a\u610f\u56fe\uff0c\u5bfc\u81f4\u5927\u91cf\u7684\u975e\u6d3b\u6027\u4f4d\u70b9\u5f62\u6210\u3002<\/p>\n

\uff08b\uff09\u5e73\u819c\u548cSP\u7535\u6781\u4e4b\u95f4\u7684\u7a33\u5b9a\u6027\u5dee\u5f02\u5f88\u5927\u3002\u5927\u6c14\u6ce1\u5728\u5e73\u819c\u4e0a\u7684\u8f83\u5927\u62c9\u4f38\u529b\uff08\u03c3f<\/sub>\uff09\u4f1a\u7269\u7406\u7834\u574f\u819c\u7684\u5f62\u6001\u3002\u540c\u65f6\uff0c\u6761\u7eb9\u56fe\u6848\u4e0a\u7684\u62c9\u4f38\u529b\uff08\u03c3sp<\/sub>\uff09\u5c0f\u5f97\u591a\uff0c\u663e\u793a\u51faSP\u7ec4\u4ef6\u7684\u5353\u8d8a\u8010\u4e45\u6027\u3002<\/p>\n

\u56fe2<\/b><\/strong>\u00a0<\/b><\/strong>Pt<\/b><\/strong>\u7eb3\u7c73\u6676\u4f53\u7eb3\u7c73\u9897\u7c92<\/b><\/strong>\u7684\u5f62\u8c8c\u8868\u5f81 <\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09\u5229\u7528\u7eb3\u7c73\u6676\u4f53\u7eb3\u7c73\u9897\u7c92\uff08NPs\uff09\u7ec4\u88c5\u7cfb\u7edf\u5236\u9020SP\u8d85\u6676\u683c\u7684\u65b9\u6cd5\u793a\u610f\u56fe\u3002<\/p>\n

\uff08b\uff09\u5927\u9762\u79efSP\u8d85\u6676\u683c\u7684\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\uff08SEM\uff09\u56fe\u50cf\u3002\u63d2\u56fe\u4e3a\u5c3a\u5bf8\u4e3a0.7\u00d70.7 cm2<\/sup>\u7684SP\u8d85\u6676\u683c\u3002\u6bd4\u4f8b\u5c3a\uff1a20\u00a0\u03bcm\u3002<\/p>\n

\uff08c\uff09\u5355\u6761\u7ed3\u6784\u7684SEM\u56fe\u50cf\u3002\u6bd4\u4f8b\u5c3a\uff1a1 \u03bcm\u3002\u00a0<\/p>\n

\uff08d\uff09\u9ad8\u653e\u5927\u500d\u7387SEM\u56fe\u50cf\uff0c\u663e\u793a\u4e86\u94c2\uff08Pt\uff09\u7eb3\u7c73\u6676\u4f53\u7684\u957f\u7a0b\u6709\u5e8f\u3002\u6bd4\u4f8b\u5c3a\uff1a100 nm\u3002\u00a0<\/p>\n

\uff08e\uff09\u7eb3\u7c73\u6676\u8d85\u6676\u683c\u7684\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM\uff09\u56fe\u50cf\u3002\u6bd4\u4f8b\u5c3a\uff1a100 nm\u3002\u00a0<\/p>\n

\uff08f\uff09\u7ec4\u88c5\u7684\u7eb3\u7c73\u6676\u4f53\u8d85\u6676\u683c\u7684\u5c0f\u89d2\u5ea6\u9009\u533a\u7535\u5b50\u884d\u5c04\uff0c\u8868\u660e\u5f62\u6210\u4e86\u9762\u5fc3\u7acb\u65b9\u8d85\u6676\u683c\u7ed3\u6784\u3002<\/p>\n

\u56fe3<\/b><\/strong>\u00a0<\/b><\/strong>Pt SP<\/b><\/strong>5<\/b><\/sub><\/strong>\u548c<\/b><\/strong>Pt NPs\u819c<\/b><\/strong>\u7684\u7535\u5316\u5b66\u6027\u80fd\u8868\u5f81<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09Pt SP5<\/sub>\u3001Pt SP10<\/sub>\u3001Pt SP20<\/sub>\u3001Pt SP50<\/sub>\u3001Pt NP\u819c\u3001Pt\/C\u819c\u3001Pt\u7b94\u7535\u50ac\u5316\u5242\u57280.5 M H2<\/sub>SO4<\/sub>\u6eb6\u6db2\u4e2d\u7684\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n

\uff08b\uff09\u7528ECSA\u5f52\u4e00\u5316\u7684Pt SP5<\/sub>\u3001Pt SP10<\/sub>\u3001Pt SP20<\/sub>\u3001Pt SP50<\/sub>\u3001Pt NP\u819c\u3001Pt\/C\u819c\u3001Pt\u7b94\u7535\u50ac\u5316\u5242\u7684\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n

\uff08c\uff09Pt SP5<\/sub>\uff0cPt NPs\u819c\u548cPt\u7b94HER\u7535\u50ac\u5316\u5242\u57280.5 M H2<\/sub>SO4<\/sub>\u7684TOF\u3002\u00a0<\/p>\n

\uff08d\uff09\u57281.0 M NaOH\u4e2d\uff0c\u4e0d\u540c\u8f6c\u901f\u7684Pt NPs\u8584\u819c\u7684\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n

\uff08e\uff09\u57281.0 M NaOH\u4e2d\uff0c\u4e0d\u540c\u8f6c\u901f\u7684Pt SP5<\/sub>\u7684\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n

\uff08f\uff09Pt SP5<\/sub>\u548cPt NPs\u819c\u572850 mV\u7684\u8fc7\u7535\u4f4d\u4e0b\u7684Levich\u56fe\u3002<\/p>\n

\u56fe<\/b><\/strong>4 <\/b><\/strong>SP Pt\u8d85\u6676\u683c\u4e0a\u7684\u6c14\u6ce1<\/b><\/strong>\u6790\u51fa\u793a\u610f\u56fe<\/b><\/strong>\"\"<\/p>\n

\uff08a-c\uff09\uff08a\uff09Pt SP5<\/sub>\uff0c\uff08b\uff09Pt SP20<\/sub>\u548c\uff08c\uff09Pt\u00a0NP\u8584\u819c\u572810 mA cm-2<\/sup>\u7684\u7535\u89e3\u6761\u4ef6\u4e0b\u62cd\u6444\u7684\u6570\u5b57\u89c6\u9891\u7684\u5feb\u7167\uff08\u5de6\uff09\u3001\u653e\u5927\u89c2\u5bdf\u7ed3\u679c\u548c\u5355\u4e2a\u6c14\u6ce1\u884c\u4e3a\u793a\u610f\u56fe\uff08\u53f3\uff09\u3002\u6bd4\u4f8b\u5c3a\uff1a\u5de6\u5217\u4e3a100\u00a0\u03bcm\uff0c\u53f3\u5217\u4e3a20\u00a0\u03bcm\u3002<\/p>\n

\uff08d\uff09\u6c14\u6ce1\u91ca\u653e\u7684\u4e34\u754cpc<\/sub>\u793a\u610f\u56fe\u3002<\/p>\n

\uff08e\uff09\u6d4b\u91cf\u503c\uff08\u9ec4\u8272\u6761\uff09\u548c\u8ba1\u7b97\u503c\uff08\u9ec4\u8272\u66f2\u7ebf\uff09\u7684\u6c14\u6ce1\u5c3a\u5bf8\u5206\u5e03\uff0c\u9ed1\u6761\u8868\u793aPt NPs\u8584\u819c\u548cPt SP\u7ed3\u6784\u4e0a\u7684\u6c14\u6ce1\u91ca\u653e\u9891\u7387\u3002<\/p>\n

\uff08f\uff09Pt SP5<\/sub>\u7684i-t\u66f2\u7ebf\u5448\u7a33\u5b9a\u7684\u76f4\u7ebf\u66f2\u7ebf\uff0cPt SP20<\/sub>\u548cPt NP\u819c\u4e0a\u5448\u952f\u9f7f\u72b6\u66f2\u7ebf\uff0c\u6bd4\u4f8b\u5c3a\uff1a\u5de6\u5217\u4e3a100\u03bcm\uff0c\u53f3\u5217\u4e3a20\u03bcm\u3002<\/p>\n

\u56fe<\/b><\/strong>5<\/b><\/strong>\u00a0<\/b><\/strong>Pt SP<\/b><\/strong>5<\/b><\/sub><\/strong>\u548c<\/b><\/strong>Pt NP\u8584\u819c\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09\u5728Pt SP5<\/sub>\u4e0a\u8fdb\u884c11\u5c0f\u65f6\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002\u6bd4\u4f8b\u5c3a\uff1a20\u00a0\u03bcm\u3002<\/p>\n

\uff08b\uff09Pt NP\u8584\u819c\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002\u6bd4\u4f8b\u5c3a\uff1a20\u00a0\u03bcm\u3002<\/p>\n

\uff08c,d\uff09\u7531Pt SP5<\/sub>\u548cPt NP\u819c\u4e0a\u6c14\u6ce1\u5f15\u8d77\u7684\u62c9\u4f38\u529b\u7684\u793a\u610f\u56fe\u548c\u6d4b\u91cf\u3002<\/p>\n

\uff08e\uff09\u7406\u8bba\u9884\u6d4b\u7684\u4e34\u754c\u5c3a\u5bf8\uff08\u03b4cr<\/sub>\uff09\u7684\u5206\u6563\u5e94\u529b\u3002\u5f53\u819c\u5bbd\u03b4f<\/sub>>\u03b4cr<\/sub>\u65f6\uff0c\u5e94\u529b\u96c6\u4e2d\u5728\u819c\u4e0a\uff0c\u800c\u5f53\u5e26\u5bbd\u03b4sp<\/sub><\u03b4cr<\/sub>\u65f6\uff0c\u5e94\u529b\u5206\u6563\u3002<\/p>\n

 <\/p>\n

\u56fe<\/b><\/strong>6<\/b><\/strong>\u00a0<\/b><\/strong>SP\u7ed3\u6784<\/b><\/strong>\u7684OER\u548cCO<\/b><\/strong>2<\/b><\/sub><\/strong>\u8fd8\u539f\u4e3aCO\u884c\u4e3a<\/b><\/strong>\"\"<\/p>\n

\uff08a,b\uff09\u535f\u5549\uff08CoTPP\uff09\uff08a\uff09\uff0c\u7f57\u4e39\u660e6G\uff08b\uff09\u7684\u5206\u5b50\u7ed3\u6784\u3002<\/p>\n

\uff08c-e\uff09Cu2<\/sub>S\u7eb3\u7c73\u677f\uff08c\uff09\u3001Fe3<\/sub>O4<\/sub>\u7eb3\u7c73\u9897\u7c92\uff08d\uff09\u548cAu\u7eb3\u7c73\u7403\uff08e\uff09\u7684SEM\u56fe\u50cf\u3002 \u6bd4\u4f8b\u5c3a\uff1a10 nm\u3002<\/p>\n

\uff08f\uff09SP Cu2<\/sub>S\u8d85\u6676\u683c\u4e0eCu2<\/sub>S\u7eb3\u7c73\u677f\u9762\u5bf9\u9762\u5bf9\u9f50\u7684\u539f\u7406\u56fe\u548cSEM\u56fe\u50cf<\/p>\n

\uff08g\uff09SP Cu2<\/sub>S\u8d85\u6676\u683c\u548cCu2<\/sub>SNP\u819c\u7535\u50ac\u5316\u5242\u57281.0 M KOH\u6eb6\u6db2\u4e2d\u7684\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u6cd5\u6d4b\u91cf\u7ed3\u679c\u3002<\/p>\n

\uff08h\uff09\u5728\u4e0d\u540c\u8f6c\u901f\u4e0b\uff0cCu2<\/sub>S SP5<\/sub>\u548cCu2<\/sub>S NP\u8584\u819c\u4e4b\u95f4\u7684\u7535\u6d41\u5bc6\u5ea6\u6bd4\u8f83\u3002<\/p>\n

\uff08i\uff09SP CoTPP\u7ed3\u6784\u7684\u793a\u610f\u56fe\u548c\u8367\u5149\u663e\u5fae\u955c\u3002<\/p>\n

\uff08j\uff09SP CoTPP\u7ed3\u6784\u548cCoTPP\u819c\u7684CO2<\/sub>\u8fd8\u539f\u5faa\u73af\u4f0f\u5b89\u6cd5\u6027\u80fd\u3002<\/p>\n

\uff08k\uff09\u57280.5 M KHCO3<\/sub>\u7535\u89e3\u8d28\u6eb6\u6db2\u4e2d\u751f\u6210CO\u548cH2<\/sub>\u3002<\/p>\n

\u3010\u5c0f\u7ed3<\/b><\/strong>\u3011<\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>A general strategy to optimize gas evolution reaction via assembled striped-pattern superlattices<\/u><\/a>\uff08J. Am. Chem. Soc., 2019, DOI:10.1021\/jacs.9b10388\uff09<\/p>\n

\u672c\u6587\u7531\u6728\u6587\u97ec<\/b><\/strong>\u7ffb\u8bd1\u3002<\/p>\n

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