{"id":146066,"date":"2018-07-15T06:00:33","date_gmt":"2018-07-14T22:00:33","guid":{"rendered":"\/\/m.iemloyee.com\/?p=146066"},"modified":"2018-07-14T15:07:26","modified_gmt":"2018-07-14T07:07:26","slug":"%e3%80%90%e7%a1%ac%e9%aa%a8%e5%a4%b4%e4%b8%93%e6%a0%8f%e3%80%91%e5%a6%82%e4%bd%95%e6%89%93%e7%a0%b4%e5%82%ac%e5%8c%96%e5%8f%8d%e5%ba%94%e8%bf%87%e6%b8%a1%e6%80%81%e4%b8%ad%e7%9a%84%e7%ba%bf%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=146066","title":{"rendered":"\u3010\u786c\u9aa8\u5934\u4e13\u680f\u3011\u5982\u4f55\u6253\u7834\u50ac\u5316\u53cd\u5e94\u8fc7\u6e21\u6001\u4e2d\u7684\u7ebf\u6027\u5173\u7cfb\uff1f"},"content":{"rendered":"
<\/p>\n
\u7f16\u524d\u8bed\uff1a2018\u5e745\u6708\uff0c\u4e2d\u56fd\u79d1\u534f\u7ec4\u7ec7\u5f81\u96c6\u9074\u9009\u768460\u4e2a\u91cd\u5927\u79d1\u5b66\u95ee\u9898\u548c\u91cd\u5927\u5de5\u7a0b\u6280\u672f\u96be\u9898\uff0c\u8fd9\u4e9b\u96be\u9898\u4ee3\u8868\u4e86\u6211\u56fd\u79d1\u6280\u9886\u57df\u771f\u6b63\u7684\u201c\u786c\u9aa8\u5934\u201d\u3002\u5148\u8fdb\u6750\u6599\u9886\u57df\u5171\u5165\u9009\u4e865\u4e2a\u95ee\u9898\u96be\u9898\uff0c\u91cd\u70b9\u96c6\u4e2d\u5728\u70ed\u7535\u6750\u6599\u3001\u7eb3\u7c73\u7ea4\u7ef4\u3001\u9ad8\u5b89\u5168\u7ed3\u6784\u6750\u6599\u3001\u5149\u50ac\u5316\u6750\u6599\u4ee5\u53ca\u65b0\u578b\u667a\u80fd\u590d\u5408\u6750\u6599\u7b49\u65b9\u9762\u3002\u6750\u6599\u4eba\u7279\u9080\u4e13\u680f\u79d1\u6280\u987e\u95ee\u5f00\u8f9f\u3010\u786c\u9aa8\u5934\u4e13\u680f\u3011\uff0c\u672c\u6587\u4e3a\u7b2c\u4e8c\u7bc7\u3002<\/p>\n
\u591a\u76f8\u50ac\u5316\u7684\u53cd\u5e94\u901f\u7387\u53d6\u51b3\u4e8e\u53cd\u5e94\u4e2d\u95f4\u4ea7\u7269\u7684\u5438\u9644\u80fd\u548c\u53cd\u5e94\u8def\u5f84\u4e2d\u7684\u6d3b\u5316\u80fd\u5792\u3002\u4e00\u822c\u800c\u8a00\uff0c\u5404\u79cd\u4e2d\u95f4\u7269\u79cd\u7684\u5438\u9644\u80fd\u5f7c\u6b64\u4e4b\u95f4\u7ebf\u6027\u76f8\u5173\u3002\u6b64\u5916\uff0c\u6839\u636eBEP\u5173\u7cfb\uff08\u0394E=A+B\u0394H\uff09\uff0c\u6d3b\u5316\u80fd\u5792\u4e5f\u4e0e\u5438\u9644\u80fd\u7ebf\u6027\u76f8\u5173\u3002\u8fd9\u4e24\u7c7b\u7ebf\u6027\u5173\u7cfb\u5927\u5927\u51cf\u5c11\u4e86\u53ef\u4ee5\u8c03\u63a7\u50ac\u5316\u6027\u80fd\u7684\u72ec\u7acb\u53c2\u6570\uff0c\u4ece\u800c\u9650\u5236\u4e86\u6d3b\u6027\u548c\u9009\u62e9\u6027\u53ef\u4ee5\u8fbe\u5230\u7684\u6700\u5927\u503c\u3002\u7406\u60f3\u50ac\u5316\u5242\u8981\u6c42\u540c\u65f6\u6ee1\u8db3\u53cd\u5e94\u7269\u6613\u4e8e\u89e3\u79bb\uff08\u9ad8\u6d3b\u6027\uff09\u548c\u4ea7\u7269\u6613\u4e8e\u8131\u9644\uff08\u9ad8\u9009\u62e9\u6027\uff09\u3002\u7136\u800c\uff0c\u7ebf\u6027\u5173\u7cfb\u5f80\u5f80\u5bfc\u81f4\u4e8c\u8005\u4e0d\u53ef\u517c\u5f97\u3002\u7b14\u8005\u4e0b\u9762\u4ecb\u7ecd\u4e09\u79cd\u4e24\u5168\u5176\u7f8e\u7684\u65b9\u6cd5\uff0c\u5206\u522b\u662f\u8868\u9762\u7b49\u79bb\u6fc0\u5143\u5171\u632f\u3001\u591a\u529f\u80fd\u4f4d\u70b9\u8026\u5408\u4ee5\u53ca\u8868\u9762\u914d\u4f53\u4fee\u9970\u3002<\/p>\n
1. \u8868\u9762\u7b49\u79bb\u6fc0\u5143\u5171\u632f\uff08\u6d3b\u6027\uff09<\/strong><\/p>\n \u5728\u5408\u6210\u6c28\u53cd\u5e94\uff1aN2<\/sub>\u00a0+ 3H2<\/sub>\u00a0= 2NH3<\/sub>\u3002\u9488\u5bf9\u8be5\u53cd\u5e94\u6700\u7406\u60f3\u7684\u50ac\u5316\u5242\u5e94\u8be5\u80fd\u591f\u7a33\u5b9aN2<\/sub>\u89e3\u79bb\u7684\u8fc7\u6e21\u6001\uff0c\u540c\u65f6\u51cf\u5f31\u5bf9NHx<\/sub>\u7684\u5438\u9644\u4ece\u800c\u4e0d\u9650\u5236\u8fdb\u4e00\u6b65\u53cd\u5e94\uff0c\u4ee5\u53ca\u4fc3\u8fdbNH3<\/sub>\u7684\u8131\u9644\u3002\u7136\u800c\uff0c\u5728\u4f20\u7edf\u50ac\u5316\u5242\u4e2d\u6d3b\u5316\u80fd\u548c\u5438\u9644\u80fd\u5f7c\u6b64\u5173\u8054\uff0c\u5341\u5206\u96be\u4ee5\u72ec\u7acb\u8c03\u63a7\u8fd9\u4e9b\u80fd\u91cf\u53c2\u6570\u3002\u56e0\u6b64\uff0c\u5728\u4e00\u7ef4\u53c2\u6570\u7a7a\u95f4\u4e2d\uff0c\u5408\u6210\u6c28\u50ac\u5316\u5242\u7684\u6d3b\u6027\u901a\u5e38\u9650\u5236\u5728\u706b\u5c71\u66f2\u7ebf\u91cc\uff0c\u60f3\u8981\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5341\u5206\u56f0\u96be\u3002\u5373\u4f7f\u662f\u6700\u597d\u7684\u50ac\u5316\u5242\uff0c\u8981\u60f3\u8fbe\u5230\u7b26\u5408\u5b9e\u7528\u7684\u53cd\u5e94\u901f\u7387\uff0c\u6e29\u5ea6\u5fc5\u8981\u8fbe\u5230~700 K\uff0c\u538b\u529b\u8981\u8fbe\u5230~100 atm\u3002\u8981\u60f3\u8bbe\u8ba1\u66f4\u9ad8\u6548\u7684\u50ac\u5316\u5242\u5c31\u9700\u8981\u7a81\u7834\u8fd9\u79cd\u7ebf\u6027\u5173\u7cfb\u3002\u5916\u573a\u523a\u6fc0\u53ef\u4ee5\u514b\u670d\u4e0a\u8ff0\u7ebf\u6027\u5173\u7cfb\u3002\u901a\u8fc7\u5916\u573a\u5c06N2<\/sub>\u6fc0\u53d1\u5230\u4e9a\u7a33\u632f\u52a8\u6fc0\u53d1\u6001\u6216\u7535\u5b50\u81ea\u53d1\u6001\u80fd\u591f\u6709\u6548\u524a\u5f31N2<\/sub>\u89e3\u79bb\u80fd\u5792\uff0c\u800c\u4e0d\u5f71\u54cd\u63a5\u4e0b\u6765\u7684\u53cd\u5e94\u8def\u5f84\u3002\u901a\u8fc7\u5f31\u7535\u79bb\u6e90\u6c14\u4f53\u4ea7\u751f\u975e\u70ed\u7b49\u79bb\u5b50\u4f53\u53ef\u4ee5\u8bf1\u5bfc\u751f\u6210\u632f\u52a8\u6fc0\u53d1\u6001\u6216\u7535\u5b50\u6fc0\u53d1\u6001\u7684\u5206\u5b50\uff0c\u4f34\u968f\u4ea7\u751f\u81ea\u7531\u57fa\u3001\u79bb\u5b50\u548c\u81ea\u7531\u7535\u5b50\u7b49\u5176\u4ed6\u6d3b\u6027\u7269\u79cd\u3002\u7531\u4e8e\u8fd9\u4e9b\u7b49\u79bb\u5b50\u4f53\u8fdc\u672a\u8fbe\u5230\u70ed\u7a33\u6001\uff0c\u80fd\u591f\u4ea7\u751f\u6d3b\u5316\u7684\u7269\u79cd\uff0c\u800c\u4e0d\u663e\u8457\u63d0\u5347\u6574\u4f53\u6c14\u4f53\u7684\u7a33\u5b9a\u3002<\/p>\n \u7f8e\u56fd\u5723\u6bcd\u5927\u5b66\u7684William F. Schneider\u8bfe\u9898\u7ec4\u5229\u7528\u7b49\u79bb\u6fc0\u5143\u6548\u5e94\u5c06N2<\/sub>\u6fc0\u53d1\u5230\u632f\u6363\u6fc0\u53d1\u6001\uff0c\u4ece\u800c\u514b\u670d\u5408\u6210\u6c28\u4e2d\u7684\u7ebf\u6027\u5173\u7cfb\uff08Mehta, P.\u00a0et al.<\/i><\/em>\u00a0Overcoming ammonia synthesis scaling relations with plasma-enabled catalysis. Nature Catalysis<\/i><\/em>\u00a02018<\/b><\/strong>, 1<\/i><\/em>,\u00a0269-275\uff09\u3002\u632f\u52a8\u6fc0\u53d1\u662f\u8fde\u63a5\u70ed\u5316\u5b66\u50ac\u5316\u548c\u7b49\u79bb\u6fc0\u5143\u50ac\u5316\u7684\u7ebd\u5e26\u3002\u76f8\u8f83\u4e8e\u5176\u4ed6\u8bf8\u5982\u7535\u5b50\u6fc0\u53d1\u3001\u79bb\u5b50\u5316\u6216\u89e3\u79bb\u7b49\u6fc0\u53d1\u5f62\u5f0f\uff0c\u632f\u52a8\u6fc0\u53d1\u663e\u8457\u964d\u4f4e\u4e86\u6fc0\u53d1\u80fd\u5792\uff08\u56fe1a\uff09\uff0c\u5e76\u4e14\u662f\u975e\u70ed\u7b49\u79bb\u5b50\u4f53\u4e2dN2<\/sub>\u7684\u4e3b\u8981\u6fc0\u53d1\u901a\u9053\u3002\u8be5\u8bfe\u9898\u7ec4\u7528DFT\u8ba1\u7b97\u4e86\u5408\u6210\u6c28\u4e2d\u95f4\u4ea7\u7269\u7684\u80fd\u91cf\uff0c\u5e76\u7ed3\u5408\u901a\u8fc7\u8868\u9762\u7b49\u79bb\u6fc0\u5143\u5b9e\u9a8c\u8868\u5f81\u5f97\u5230\u7684N\u632f\u52a8\u6001\u4fe1\u606f\uff0c\u5efa\u7acb\u8d77\u5fae\u52a8\u529b\u5b66\u6a21\u578b\u3002\u6a21\u578b\u8868\u660e\u7b49\u79bb\u6fc0\u5143\u50ac\u5316\u4e2d\u6700\u4f18\u50ac\u5316\u5242\u548c\u6d3b\u6027\u4f4d\u70b9\u4e0e\u70ed\u50ac\u5316\u4e2d\u7684\u4e0d\u540c\uff08\u56fe1b\u548cc\uff09\u3002\u6b64\u5916\uff0c\u7406\u8bba\u9884\u6d4b\u8fd9\u4e9b\u6750\u6599\u4f4e\u6e29\u4f4e\u538b\u7684\u5408\u6210\u6c28\u901f\u7387\u4e0e\u9ad8\u6e29\u9ad8\u538b\uff08Haber-Bosch\u6761\u4ef6\uff09\u4e0b\u7684\u901f\u7387\u76f8\u5f53\u3002\u5b9e\u9a8c\u4e0a\u4e5f\u8bc1\u660e\u4e86\u8be5\u7ed3\u8bba\u3002<\/p>\n \u56fe1. (a)N2<\/sub>\u4ece\u57fa\u6001\u548c\u7b2c\u4e8c\u632f\u52a8\u6fc0\u53d1\u6001\u89e3\u79bb\u80fd\u5792\u3002(b, c) plasma-on\u548cplasma-off\u6761\u4ef6\u4e0b(b) step site\u548c(c) terrace site\u7684\u5408\u6210\u6c28\u53cd\u5e94\u901f\u7387\u3002<\/p>\n 2.\u00a0\u591a\u529f\u80fd\u4f4d\u70b9\u8026\u5408\uff08\u6d3b\u6027\u548c\u9009\u62e9\u6027\uff09<\/b><\/strong><\/p>\n \u5bf9\u4e8e\u9009\u62e9\u6027\u52a0\u6c22\u53cd\u5e94\u50ac\u5316\u5242\uff0c\u8981\u60f3\u5f97\u5230\u9ad8\u6d3b\u6027\uff0c\u9996\u5148\u8981\u6c42\u6613\u4e8e\u89e3\u79bbH2<\/sub>\uff1b\u8981\u60f3\u5f97\u5230\u9ad8\u9009\u62e9\u6027\uff0c\u5219\u8981\u6c42\u5bf9\u4ea7\u7269\u5438\u9644\u5f31\uff0c\u4ece\u800c\u907f\u514d\u8fc7\u5ea6\u52a0\u6c22\u3002Sykes\u8bfe\u9898\u7ec4\u6784\u7b51\u91cc\u8d1f\u8f7d\u5728Cu\u8868\u9762\u7684Pd\u5355\u539f\u5b50\u5408\u91d1\uff08SAAs\uff09\u3002\u5176\u4e2d\uff0cPd\u5355\u539f\u5b50\u63d0\u4f9bH2<\/sub>\u89e3\u79bb\u4f4d\u70b9\uff0c\u56e0\u4e3aCu\u4e0d\u5229\u4e8eH2<\/sub>\u89e3\u79bb\uff0c\u800cPd\u5219\u6709\u5229\uff08\u56fe2\uff09\u3002\u6b64\u5916\uff0cCu\u8868\u9762\u5bf9H*\u7684\u5438\u9644\u5f88\u5f31\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u4ecePd\u89e3\u79bb\u7684H*\u53ef\u4ee5\u8f7b\u6613\u6ea2\u6d41\u5230Cu\u8868\u9762\u3002\u4ea7\u7269\u5728Cu\u8868\u9762\u6613\u4e8e\u8131\u9644\uff0c\u56e0\u6b64\u53ef\u4ee5\u4fdd\u8bc1\u82ef\u4e59\u70ef\u52a0\u6c22\u5236\u4e59\u82ef\u548c\u4e59\u7094\u52a0\u6c22\u5236\u4e59\u70ef\u7684\u9ad8\u9009\u62e9\u6027\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u52a0\u6c22\u53cd\u5e94\u5176\u5b9e\u53d1\u751f\u5728Cu\u8868\u9762\uff0c\u5373Cu\u8868\u9762\u5438\u9644\u5e95\u7269\u5206\u5b50\uff08\u5982\u82ef\u4e59\u70ef\u548c\u4e59\u7094\uff09\uff0c\u4ecePd\u89e3\u79bb\u7684H*\u6ea2\u6d41\u5230Cu\u5438\u9644\u4f4d\u70b9\u4e0e\u5e95\u7269\u5206\u5b50\u53cd\u5e94\u3002\u6362\u8a00\u4e4b\uff0c\u9650\u5236Cu\u50ac\u5316\u5242\u6d3b\u6027\u7684\u5176\u5b9e\u662fH2<\/sub>\u89e3\u79bb\uff0c\u6216\u8005\u8bf4\u8868\u9762\u6d3b\u6027H*\u3002\u800cPd\u52a0\u6c22\u80fd\u529b\u592a\u5f3a\uff0c\u5f80\u5f80\u4f1a\u5bfc\u81f4\u5168\u52a0\u6c22\uff0c\u56e0\u800c\u4ea7\u7269\u9009\u62e9\u6027\u5dee\u3002Pd1<\/sub>\/Cu SAAs\u5b8c\u7f8e\u7ed3\u5408\u4e86\u8fd9\u4e24\u79cd\u91d1\u5c5e\u7684\u4f18\u70b9\u3002 \u56fe2. H2<\/sub>\u5728Cu(111)\u3001Pd1<\/sub>\/Cu(111)\u548cPd(111)\u8868\u9762\u7684\u89e3\u79bb\u80fd\u5792\u3002<\/strong><\/p>\n 3.\u00a0<\/strong>\u8868\u9762\u914d\u4f53\u4fee\u9970\uff08\u6d3b\u6027\u548c\u9009\u62e9\u6027\uff09<\/b><\/strong><\/p>\n \u901a\u8fc7\u8868\u9762\u914d\u4f53\u4fee\u9970\u6539\u53d8\u50ac\u5316\u5242\u8868\u9762\u7535\u8377\uff0c\u4ece\u800c\u8c03\u63a7\u50ac\u5316\u5242\u5bf9\u53cd\u5e94\u7269\u548c\u4ea7\u7269\u7684\u5438\u9644\u80fd\u529b\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u4ea7\u7269\u9009\u62e9\u6027\u3002\u90d1\u5357\u5cf0\u8bfe\u9898\u7ec4\u7528\u4e59\u4e8c\u80fa\u4fee\u9970Pt\u7eb3\u7c73\u7ebf\u8868\u9762\uff0c\u5b9e\u73b0\u4e86\u785d\u57fa\u82ef\u52a0\u6c22\u9ad8\u9009\u62e9\u6027\u5f97\u8f6c\u5316\u4e3a\u70ed\u529b\u5b66\u4e0d\u5229\u7684N-\u7f9f\u57fa\u82ef\u80fa\uff08Chen, G.,\u00a0et al.<\/i><\/em>\u00a0Interfacial electronic effects control the reaction selectivity of platinum catalysts. Nature <\/i><\/em>M<\/i><\/em>aterials<\/i><\/em>\u00a02016<\/b><\/strong>, 15<\/i><\/em>, 564-569\uff09\u3002\u7535\u5b50\u4f1a\u4ece\u4e59\u4e8c\u80fa\u8f6c\u79fb\u5230Pt\u8868\u9762\uff0c\u4ece\u800c\u4f7fPt\u8868\u9762\u5e26\u8d1f\u7535\uff08\u56fe3a\uff09\u3002\u8d1f\u7535\u8868\u9762\u6709\u5229\u4e8e\u5438\u9644\u7f3a\u7535\u5b50\u7684\u7269\u8d28\uff08\u785d\u57fa\u82ef\u548c\u4e9a\u785d\u57fa\u82ef\uff09\uff0c\u4e0d\u5229\u4e8e\u5438\u9644\u5bcc\u7535\u5b50\u7684\u7269\u8d28\uff08N-\u7f9f\u57fa\u82ef\u80fa\uff09\u3002\u56e0\u6b64\uff0cPt\u7eb3\u7c73\u7ebf\u8868\u9762\u8d1f\u7535\u4fc3\u8fdb\u785d\u57fa\u82ef\u53cd\u5e94\u7269\u7684\u5438\u9644\uff0c\u4ece\u800c\u4fdd\u6301\u9ad8\u6d3b\u6027\uff1b\u540c\u65f6\u6291\u5236N-\u7f9f\u57fa\u82ef\u80fa\u5438\u9644\uff0c\u4fc3\u8fdb\u5176\u8131\u9644\uff0c\u4ece\u800c\u4fdd\u6301\u5bf9N-\u7f9f\u57fa\u82ef\u80fa\u7684\u9ad8\u9009\u62e9\u6027\uff08\u56fe3b\uff09\u3002<\/p>\n \u00a0 \u56fe3. (a)Pt\u7eb3\u7c73\u7ebf\u548cEDA\u4fee\u9970\u7684Pt\u7eb3\u7c73\u7ebf\u7684Bader\u7535\u8377\u3002(b) \u4e0d\u540c\u542bN\u82b3\u9999\u5316\u5408\u7269\u5728EDA\u4fee\u9970\u7684Pt\u7eb3\u7c73\u7ebf\u4e0a\u7684\u5438\u9644\u80fd\u3002<\/p>\n \u672c\u6587\u7531\u4e13\u680f\u987e\u95eewater\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n \u6b22\u8fce\u5404\u7c7b\u82f1\u96c4\u8c6a\u6770\u52a0\u5165\u6750\u6599\u4eba\u4e13\u680f\u79d1\u6280\u987e\u95ee\uff0c\u7a3f\u916c\u4e30\u539a\uff0c\u6709\u610f\u8005\u8054\u7cfb\u5fae\u4fe1cailiaokefu\u3002<\/p>\n \u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n \u6295\u7a3f\u53ca\u5185\u5bb9\u5408\u4f5c\u8bf7\u52a0\u5ba2\u670d\u5fae\u4fe1\uff1acailiaokefu\u3002<\/p>\n \u5982\u679c\u60a8\u60f3\u5229\u7528\u7406\u8bba\u8ba1\u7b97\u6765\u5e2e\u52a9\u50ac\u5316\u7814\u7a76\uff0c\u6b22\u8fce\u60a8\u4f7f\u7528\u6750\u6599\u4eba\u8ba1\u7b97\u6a21\u62df\u89e3\u51b3\u65b9\u6848\u3002\u6750\u6599\u4eba\u7ec4\u5efa\u4e86\u4e00\u652f\u6765\u81ea\u5168\u56fd\u77e5\u540d\u9ad8\u6821\u8001\u5e08\u53ca\u4f01\u4e1a\u5de5\u7a0b\u5e08\u7684\u79d1\u6280\u987e\u95ee\u56e2\u961f\uff0c\u4e13\u6ce8\u4e8e\u4e3a\u5927\u5bb6\u89e3\u51b3\u5404\u7c7b\u8ba1\u7b97\u6a21\u62df\u9700\u6c42\u3002\u5982\u679c\u60a8\u6709\u9700\u6c42\uff0c\u6b22\u8fce\u626b\u4ee5\u4e0b\u4e8c\u7ef4\u7801\u63d0\u4ea4\u60a8\u7684\u9700\u6c42\uff0c\u6216\u76f4\u63a5\u8054\u7cfb\u5fae\u4fe1\u5ba2\u670d\uff08\u5fae\u4fe1\u53f7\uff1acailiaoren001\uff09<\/p>\n
<\/p>\n
\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n