{"id":75975,"date":"2017-04-16T06:30:44","date_gmt":"2017-04-15T22:30:44","guid":{"rendered":"\/\/m.iemloyee.com\/?p=75975"},"modified":"2017-04-13T18:44:32","modified_gmt":"2017-04-13T10:44:32","slug":"%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6jacs%ef%bc%9a%e7%94%a8%e4%ba%8e%e9%ab%98%e6%95%88%e6%b0%b4%e5%88%86%e8%a7%a3%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bdrh2p%e7%94%b5%e5%82%ac%e5%8c%96%e5%89%82","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=75975","title":{"rendered":"\u6e05\u534e\u5927\u5b66JACS\uff1a\u7528\u4e8e\u9ad8\u6548\u6c34\u5206\u89e3\u7684\u9ad8\u6027\u80fdRh2P\u7535\u50ac\u5316\u5242"},"content":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u6c22\u71c3\u6599\u662f\u4e00\u79cd\u6e05\u6d01\u80fd\u6e90\uff0c\u50a8\u91cf\u5341\u5206\u4e30\u5bcc\uff0c\u5e76\u4e14\u6709\u53ef\u80fd\u5728\u5c06\u6765\u66ff\u4ee3\u5316\u77f3\u71c3\u6599\u3002\u6c34\u7684\u7535\u89e3\u662f\u4ea7\u751f\u6c22\u6c14\u7684\u4e00\u79cd\u53ef\u6301\u7eed\u7684\u65b9\u6cd5\uff0c\u56e0\u800c\u9700\u8981\u4e00\u79cd\u6709\u6548\u7684\u7535\u50ac\u5316\u5242\u7528\u4e8e\u6790\u6c22\u53cd\u5e94(HER)\u548c\u6790\u6c27\u53cd\u5e94(OER)\u3002\u867d\u7136\u94c2\u5177\u6709\u6700\u9ad8\u7684\u4ea4\u6362\u7535\u6d41\u5bc6\u5ea6\u548c\u4f4eTafel\u659c\u7387\u53ef\u7528\u4f5c\u5e38\u89c4HER\u50ac\u5316\u5242\uff0c\u4f46\u8f83\u9ad8\u7684\u4ef7\u683c\u9650\u5236\u4e86\u5176\u7535\u5316\u5b66\u5e94\u7528\uff0c\u5305\u62ec\u7528\u4e8e\u71c3\u6599\u7535\u6c60\u548c\u7535\u89e3\u5668\u4e2d\u3002\u5c3d\u7ba1\u5728\u8fc7\u53bb\u51e0\u5341\u5e74\u4e2d\u5728\u7814\u53d1\u6d3b\u6027\u3001\u9178\u7a33\u5b9a\u548c\u4f4e\u6210\u672c\u7684HER\u50ac\u5316\u5242\u4e0a\u505a\u4e86\u5f88\u591a\u5de5\u4f5c\uff0c\u5728\u9178\u6027\u73af\u5883\u4e2d\u53ea\u6709\u51e0\u79cd\u5177\u6709\u6539\u6027\u7ed3\u6784\u7684Pt\u57fa\u50ac\u5316\u5242\u7684\u5b9e\u4f8b\u53ef\u80fd\u4f1a\u8d85\u8fc7HER\u6d3b\u6027\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u4e00\u79cd\u6d3b\u6027\u7684\u65e0Pt\u50ac\u5316\u5242\u4ecd\u7136\u662f\u4e00\u9879\u5177\u6709\u6311\u6218\u6027\u7684\u4efb\u52a1\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u6e05\u534e\u5927\u5b66\u7684\u674e\u4e9a\u680b\u6559\u6388\u3001\u674e\u96bd\u6559\u6388\uff0c\u963f\u8d21\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u7684Vojislav R. Stamenkovic\u7814\u7a76\u5458\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u7b49\u4eba\u901a\u8fc7\u6eb6\u5242\u70ed\u6cd5\u5408\u6210\u4e86\u4ee5\u7eb3\u7c73\u7ba1\uff08NCs\uff09\u7684\u5f62\u5f0f\u5206\u6563\u5728\u9ad8\u8868\u9762\u79ef\u78b3\uff08Rh2<\/sub>P\/C\uff09\u5177\u6709\u4f4e\u91d1\u5c5e\u8d1f\u8f7d\u7684\u94d1\u78f7\u5316\u7269\u7535\u50ac\u5316\u5242\u3002\u4e0eRh\/C\u548cPt\/C\u50ac\u5316\u5242\u76f8\u6bd4\uff0cRh2<\/sub>P\/C NCs\u663e\u793a\u51fa\u663e\u8457\u7684\u6790\u6c22\u53cd\u5e94\u548c\u6790\u6c27\u53cd\u5e94\u6027\u80fd\u3002Rh2<\/sub>P NCs\u7684\u539f\u5b50\u7ed3\u6784\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u89c2\u5bdf\uff0c\u7ed3\u679c\u663e\u793a\u6700\u5916\u5c42\u539f\u5b50\u5c42\u5bcc\u542b\u78f7\uff0c\u7efc\u5408\u5b9e\u9a8c\u548c\u8ba1\u7b97\u7814\u7a76\u8868\u660e\uff0c\u8868\u9762\u5bcc\u542b\u7684\u78f7\u5728\u7a33\u5b9a\u50ac\u5316\u5242\u6027\u80fd\u65b9\u9762\u8d77\u5173\u952e\u4f5c\u7528\u3002<\/p>\n

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

\u56fe1\u00a0\u5728\u73bb\u7483\u78b3\u57fa\u677f\u4e0a\u751f\u957f\u7684Pt\u3001Rh\u548cRh2<\/sub>P\u8584\u819c\u7684\u793a\u610f\u56fe\u548c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09Rh2<\/sub>P\u8584\u819c\u7684X\u5c04\u7ebf\u884d\u5c04\uff0c\u8868\u660eRh2<\/sub>P\uff08\u7ea2\u8272\uff09\u548cRh\uff08\u84dd\u8272\uff09\u7684\u7279\u5f81\u5cf0<\/p>\n

b\uff0cc\uff09\uff08b\uff09Rh\u548c\uff08c\uff09Rh2<\/sub>P\u7684\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u56fe\u50cf<\/p>\n

d\uff0ce\uff09\u8868\u5f81Rh2<\/sub>P\u8868\u9762\u7684X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff0c\u8868\u660e\uff08d\uff09\u94d1 3d\u548c\uff08e\uff09\u78f7 2s\u7684\u7279\u5f81\u5cf0<\/p>\n

f\uff0cg\uff09\u57280.5M H2<\/sub>SO4<\/sub>\u4e2d\uff0c\u572820\u2103\u4e0b\u4ee5Rh2<\/sub>P\uff08\u9ed1\u8272\uff09\uff0cRh\uff08\u7ea2\u8272\uff09\u548cPt\uff08\u84dd\u8272\uff09\u57281600rpm\u4e0b\u4ee520mV \/ s\u7684\u901f\u7387\u7ed8\u5236\u7684\u6781\u5316\u66f2\u7ebf\uff1a\uff08f\uff09HER\u548c\uff08g\uff09OER<\/p>\n

\u56fe2\u00a0\u94d1\u7eb3\u7c73\u7ba1\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09Rh2<\/sub>P NCs\u7684XRD\u56fe\u8c31<\/p>\n

b\uff09 Rh2<\/sub>P NCs \u7684TEM\u56fe\u50cf\uff0c\u6bd4\u4f8b\u5c3a\uff1a50 nm<\/p>\n

c\uff09 Rh2<\/sub>P NCs \u7684HRTEM\u56fe\u50cf\uff0c\u6bd4\u4f8b\u5c3a\uff1a2nm<\/p>\n

d\uff09\u5177\u6709\u7ea2\u7ebf\u7684Rh2<\/sub>P NCs\u7684HAADF-STEM\u56fe\u50cf\u663e\u793a\u7ebf\u626b\u63cf\u8def\u5f84\uff0c\u6bd4\u4f8b\u5c3a\uff1a10 nm<\/p>\n

e\uff09\u76f8\u5e94\u7684\u7ebf\u626b\u63cf\u66f2\u7ebf\uff0c\u6bd4\u4f8b\u5c3a\uff1a10 nm<\/p>\n

f\uff09 Rh2<\/sub>P NCs \u7684HAADF-STEM\u56fe\u50cf\u548cRh\uff08\u6a59\u8272\uff0c\u9ec4\u8272\uff09\u548cP\uff08\u7ea2\u8272\uff09\u76f8\u5e94\u5143\u7d20\u7684\u5206\u5e03\u56fe\uff0c\u6bd4\u4f8b\u5c3a\uff1a20 nm<\/p>\n

\u56fe3\u00a0HER\u5728\u9178\uff08 0.5M H2<\/sub>SO4<\/sub> \uff09\u4e2d\u7684\u7535\u50ac\u5316\u6027\u8d28<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09\u626b\u63cf\u901f\u7387\u4e3a50 mV \/ s\u7684 Pt\/C\u3001Rh2<\/sub>P\/C\u548cRh\/C\u7684\u5faa\u73af\u4f0f\u5b89\u56fe<\/p>\n

b\uff09 5mV \/ s \u901f\u7387\u4e0bPt\/C\uff083.7\u03bcgPt<\/sub>\/ cm2<\/sub><\/sup>\uff09\u3001Rh2<\/sub>P\/C\uff083.7\u03bcgRh<\/sub>\/ cm2<\/sub><\/sup>\uff09\u548cRh\/C\uff0813.3\u03bcgRh<\/sub>\/ cm2<\/sub><\/sup>\uff09\u7684\u6781\u5316\u66f2\u7ebf<\/p>\n

c\uff095.0 mA\/cm2<\/sub><\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u76f8\u5e94\u8d85\u7535\u52bf<\/p>\n

d\uff09\u5f53\u4ee51600rpm\u901f\u5ea6\u65cb\u8f6c\u65f6\uff0c\u4ee5-1.72mA\/mg\u91d1\u5c5e\u7535\u6d41\u5bc6\u5ea6\u548c\u5ba4\u6e29\u8bb0\u5f55\u7684Rh2<\/sub>P\/C\u548cPt\/C\u7684\u8ba1\u65f6\u7535\u4f4d\u5206\u6790\uff0c\u5c06\u7535\u4f4d\u8f6c\u5316\u4e3a\u53ef\u9006\u6c22\u7535\u6781\uff08RHE\uff09\uff0c\u5e76\u5bf9iR\u964d\u4f4e\u8fdb\u884c\u6821\u6b63<\/p>\n

\u56fe4\u00a0OER\u6d3b\u6027\u548c\u5728\u9178(0.5M H2<\/sub>SO4<\/sub>\u00a0)\u4e2d\u7684\u7a33\u5b9a\u6027<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09\u4ee520mV\/\u901f\u7387\u8bb0\u5f55\u7684Pt\/C\uff083.7\u03bcgPt<\/sub>\/cm2<\/sup>\uff09\u3001Rh2<\/sub>P\/C\uff083.7\u03bcgRh<\/sub>\/cm2<\/sup>\uff09\u548cRh\/C\uff083.7\u03bcgRh<\/sub>\/cm2<\/sup>\uff09\u7684\u6781\u5316\u66f2\u7ebf<\/p>\n

b\uff09\u57281600\u8f6c\/\u5206\u8f6c\u901f\u4e0b\uff0c\u4ee51.72mA\/mg\u91d1\u5c5e\u7535\u6d41\u5bc6\u5ea6\u548c\u5ba4\u6e29\u8bb0\u5f55\u7684Rh2<\/sub>P\/C\u3001Rh\/C\u548cPt\/C\u7684\u8ba1\u65f6\u7535\u4f4d\u5206\u6790<\/p>\n

\u56fe5\u00a0ADF-STEM\u56fe\u50cf\u548c\u8ba1\u7b97\u7684Rh2<\/sub>P NCs\u7684\u8868\u9762\u81ea\u7531\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a\uff0cc\uff09\u4e24\u4e2a\u5355\u72ecRh2<\/sub>P NCs\u7684ADF-STEM\u56fe\u50cf<\/p>\n

b\uff0cd\uff09\u653e\u5927\u7684\u6846\u67b6\u56fe\u50cf\uff0c\u663e\u793a\u6700\u5916\u9762\u7684\u8868\u9762\u7531\u78f7\u539f\u5b50\u7ec4\u6210<\/p>\n

e\uff09Rh2<\/sub>P NCs\u7684Rh\u548cP\u7ec8\u7aef\u7684\u8ba1\u7b97\u8868\u9762\u80fd\u4f5c\u4e3a\u78f7\u5316\u5b66\u52bf\u7684\u51fd\u6570<\/p>\n

f\uff0cg\uff09\u5206\u522b\u4e3aRh\u7ec8\u7aef\u548cP\u7ec8\u7aef\u8868\u9762\u7684\u793a\u610f\u56fe\uff0c\u9752\u8272\u7403\u8868\u793aRh\u539f\u5b50\uff0c\u6d0b\u7ea2\u8272\u7403\u8868\u793aP\u539f\u5b50<\/p>\n

\u56fe6\u00a0HER\u673a\u5236<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09\u5728\u4e0d\u540c\u8986\u76d6\u8303\u56f4\uff08\u4e00\u4e2a\uff0c\u4e24\u4e2a\uff0c\u4e09\u4e2a\u548c\u56db\u4e2aH\u539f\u5b50\uff0c\u5206\u522b\u89c6\u4e3a\u88ab\u8ba4\u4e3a\u662f1\/4\uff0c2\/4\uff0c3\/4 \uff0c4\/4\u7684\u8986\u76d6\u7387\uff09\u7684P\u7ec8\u6b62\uff08\u5b9e\u7ebf\uff09\u548cRh\u7ec8\u6b62\uff08\u865a\u7ebf\uff09\u8868\u9762\u4e0a\u7684HER\u7684\u5409\u5e03\u65af\u81ea\u7531\u80fd\u56fe<\/p>\n

b\uff09\u4f18\u5316\u7ed3\u6784\u7684H\u5438\u9644\u5728\u4e0d\u540c\u8986\u76d6\u7387\u7684P\u7ec8\u6b62\u8868\u9762<\/p>\n

c\uff09HER\u5728P\u7ec8\u6b62\u8868\u9762\u7684\u53f0\u53cd\u5e94\u8def\u5f84\uff0c\u9752\u8272\u3001\u54c1\u7ea2\u8272\u548c\u767d\u8272\u7403\u4f53\u5206\u522b\u8868\u793aRh\u3001P\u548cH\u539f\u5b50<\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/p>\n

\u5177\u6709\u5bcc\u78f7\u8868\u9762\u7684Rh2<\/sub>P NCs\u5728\u9178\u4e2d\u5bf9HER\u8868\u73b0\u51fa\u975e\u51e1\u7684\u50ac\u5316\u6027\u80fd\uff0c\u8d85\u8fc7\u4e86\u7eafPt\u50ac\u5316\u5242\u7684\u6d3b\u6027\u3002Rh2<\/sub>P NCs\u5728\u8868\u9762\u7f3a\u9677\u7684\u5e2e\u52a9\u4e0b\uff0c\u4e0e\u5408\u6210\u540e\u7684Rh\/C\u548cPt\/C\u50ac\u5316\u5242\u76f8\u6bd4\uff0c\u8fd8\u663e\u793a\u51fa\u589e\u5f3a\u7684OER\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u5bf9\u53cd\u5e94\u673a\u7406\u7684\u8fdb\u4e00\u6b65\u7814\u7a76\u4ee5\u53ca\u5fae\u8c03\u8868\u9762\u7ed3\u6784\u6709\u52a9\u4e8e\u8bbe\u8ba1\u51fa\u66f4\u4f4e\u6210\u672c\u548c\u65e0\u8d35\u91d1\u5c5e\u7684\u50ac\u5316\u5242\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>High-Performance Rh2P Electrocatalyst for Efficient Water Splitting<\/a>\uff08J. Am. Chem. Soc.,2017,DOI: 10.1021\/jacs.7b01376\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4\u674e\u4f26\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065952\u201d\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011 \u6c22\u71c3\u6599\u662f\u4e00\u79cd\u6e05\u6d01\u80fd\u6e90\uff0c\u50a8\u91cf\u5341\u5206\u4e30\u5bcc\uff0c\u5e76\u4e14\u6709\u53ef\u80fd\u5728\u5c06\u6765\u66ff\u4ee3\u5316\u77f3\u71c3\u6599\u3002\u6c34\u7684\u7535\u89e3\u662f\u4ea7\u751f\u6c22\u6c14\u7684\u4e00\u79cd\u53ef\u6301\u7eed\u7684\u65b9\u6cd5\uff0c\u56e0\u800c\u9700\u8981\u4e00\u79cd\u6709\u6548\u7684\u7535\u50ac\u5316\u5242\u7528\u4e8e\u6790\u6c22\u53cd\u5e94(H…<\/p>\n","protected":false},"author":349,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[18],"class_list":["post-75975","post","type-post","status-publish","format-standard","hentry","category-jiedu","tag-xinnengyuan"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/75975"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/349"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=75975"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/75975\/revisions"}],"predecessor-version":[{"id":76048,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/75975\/revisions\/76048"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=75975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=75975"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=75975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}