{"id":22146,"date":"2016-06-26T08:10:24","date_gmt":"2016-06-26T00:10:24","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=22146"},"modified":"2016-06-25T19:12:56","modified_gmt":"2016-06-25T11:12:56","slug":"nature-chemistry%ef%bc%9a%e7%95%8c%e9%9d%a2%e7%94%b5%e5%ad%90%e4%bb%8e%e5%8d%8a%e5%af%bc%e4%bd%93%e8%bd%ac%e7%a7%bb%e5%88%b0%e5%88%86%e5%ad%90%e7%9a%84%e5%8a%a8%e5%8a%9b%e5%ad%a6%e9%80%9a%e9%81%93","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=22146","title":{"rendered":"Nature Chemistry\uff1a\u754c\u9762\u7535\u5b50\u4ece\u534a\u5bfc\u4f53\u8f6c\u79fb\u5230\u5206\u5b50\u7684\u52a8\u529b\u5b66\u901a\u9053"},"content":{"rendered":"

\u5229\u7528\u5206\u5b50\u9014\u5f84\u5b9e\u73b0\u592a\u9633\u80fd\u8f6c\u5316\u9700\u8981\u5b9e\u73b0\u5149\u8bf1\u5bfc\u7684\u7535\u5b50\u8f6c\u79fb\u53cd\u5e94\u7684\u52a8\u529b\u5b66\u6700\u4f18\u5316\u3002\u5728\u5206\u5b50\u534a\u5bfc\u4f53\u7684\u754c\u9762\u5904\uff0c\u8fd9\u79cd\u6700\u4f18\u5316\u5148\u524d\u5df2\u7ecf\u5b9e\u73b0\uff0c\u901a\u8fc7\u63a7\u5236\u534a\u5bfc\u4f53\u4f9b\u4f53\u548c\u5206\u5b50\u53d7\u4f53\u4e4b\u95f4\u7684\u8ddd\u79bb\u548c\/\u6216\u7535\u5b50\u8f6c\u79fb\u65f6\u7684\u81ea\u7531\u80fd\u800c\u5b9e\u73b0\u3002\u7f8e\u5317\u5361\u7f57\u6765\u7eb3\u5927\u5b66\u6559\u5802\u5c71\u5206\u6821\u7684\u7814\u7a76\u5b66\u8005\u63ed\u793a\u4e86\u7535\u5b50\u4ece\u534a\u5bfc\u4f53\u8f6c\u79fb\u5230\u5206\u5b50\u53d7\u4f53\u7684\u52a8\u529b\u5b66\u901a\u9053\u4e5f\u662f\u5b58\u5728\u7684\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u53e6\u4e00\u79cd\u53ef\u4f9b\u9009\u62e9\u7684\u80fd\u591f\u63a7\u5236\u754c\u9762\u52a8\u529b\u5b66\u7684\u65b9\u6cd5\u3002\u8fd9\u4e00\u901a\u9053\u662f\u901a\u8fc7\u5408\u7406\u7684\u5206\u5b50\u8bbe\u8ba1\u6765\u5b9a\u4e49\u7684\uff0c\u8ddd\u79bb\u548c\u9a71\u52a8\u529b\u95f4\u7ef4\u6301\u5e73\u8861\uff0c\u53ea\u6709\u4e8c\u7532\u82ef\u57fa\u6216\u82ef\u57fa\u567b\u5429\u6865\u7684\u51e0\u4f55\u626d\u8f6c\u53d1\u751f\u53d8\u5316\u3002\u82c4\u57fa\u6865\u7684\u7535\u5b50\u8026\u5408\u6bd4\u4e8c\u7532\u82ef\u57fa\u6865\u7684\u7535\u5b50\u8026\u5408\u592710\u500d\u3002\u5bf9\u6bd4\u7814\u7a76\u8868\u660e\uff0c\u7535\u5b50\u8f6c\u79fb\u5bf9\u6865\u7684\u663e\u8457\u4f9d\u8d56\u6027\u4e0d\u80fd\u901a\u8fc7\u8ddd\u79bb\u6216\u9a71\u52a8\u529b\u7684\u6539\u53d8\u800c\u6d88\u9664\u3002\u76f8\u53cd\u7684\uff0c\u6570\u636e\u663e\u793a\u754c\u9762\u7684\u7535\u5b50\u8f6c\u79fb\u901a\u9053\u5229\u7528\u4e86\u82b3\u6865\u8f68\u9053\u3002<\/p>\n

\u56fe1 \u5bf9\u4ece\u4e8c\u6c27\u5316\u949b\uff08TiO2\uff09\u5230\u5206\u5b50\u7684\u7535\u5b50\u8f6c\u79fb\u901a\u9053\u7684\u8bba\u8bc1<\/strong><\/p>\n

\"f1\"<\/p>\n

\u8109\u51b2\u6fc0\u5149\u5f15\u53d1\u6fc0\u53d1\u6001\uff0c\u4ea7\u751f\u4e86\u4e00\u4e2aTiO2\u4e2d\u7684\u7535\u5b50\uff08TiO2(e-)\uff09\u548c\u6c27\u5316\u5206\u5b50\u3002\u968f\u540e\u5c06TiO2(e-)\u548c\u6c27\u5316\u5206\u5b50\u95f4\u7684\u53cd\u5e94\uff0c\u5728\u7eb3\u79d2\u6216\u66f4\u957f\u7684\u65f6\u95f4\u5185\u5b9a\u91cf\u5316\u3002\u8fd9\u4e9b\u5206\u5b50\u7684\u7279\u522b\u4e4b\u5904\u5728\u4e8e\uff0c\u4ed6\u4eec\u53ea\u968f\u82b3\u6865\uff08\u7070\u8272\uff09\u7684\u51e0\u4f55\u626d\u8f6c\u800c\u53d8\u5316\uff0c\u5176\u4e2dBx\u8868\u793a\u4e8c\u7532\u82ef\u57fa\uff0cBp\u8868\u793a\u82ef\u57fa\u567b\u5429\u3002\u56e0\u6b64\uff0c\u8be5\u53cd\u5e94\u5bf9\u6865\u7684\u4f9d\u8d56\u6027\u4e0d\u80fd\u5f52\u56e0\u4e8e\u8ddd\u79bb\u548c\u9a71\u52a8\u529b\uff0c\u800c\u5728\u4e8e\u5229\u7528\u4e86\u6865\u8f68\u9053\u7684\u754c\u9762\u7535\u5b50\u8f6c\u79fb\u901a\u9053\u3002<\/p>\n

\u6ce8\uff1aTPA\u2014triphenylamine\uff0c\u5373\u4e09\u82ef\u80fa\uff1bx\u3001p\u5206\u522b\u4e3a\u4e8c\u7532\u82ef\u57fa\u6865\u548c\u7f16\u8f91\u6865\u7684\u7f29\u5199\u3002<\/p>\n

\u56fe2 \u4e0d\u540c\u4f53\u7cfb\uff081p\/TiO2\uff0c1x\/TiO2\uff0c2p\/TiO2\uff0c2x\/TiO2\uff09\u7684\u622a\u9762\u5bc6\u5ea6<\/strong><\/p>\n

\"f2\"<\/p>\n

\u6b63\u7535\u4f4d\u5904\u7684\u5206\u5e03\u662f\u4ece\u7535\u5316\u5b66\u5149\u8c31\u6570\u636e\u4e2d\u63d0\u53d6(\u6d4b\u8bd5\u57280.5M\u7684LiClO4\/CH3CN\u4e2d\u8fdb\u884c)\u3002
\n\u5728\u84dd\u8272\u9634\u5f71\u4e2d\u7684\u5206\u5e03\u7b26\u5408RuIII\/II\u7684\u6c27\u5316\u8fd8\u539f\u5e73\u8861\uff1b\u7ea2\u8272\u9634\u5f71\u90e8\u5206\u7b26\u5408TPA\u2022+\/o.\u5728\u6fc0\u53d1\u6001\u5b58\u50a8\u7684\u81ea\u7531\u80fd\u0394G-ES\u56e0RuIII\/II \u5206\u5e03\u800c\u51cf\u5c11\uff0c\u7531\u6b64\u53ef\u4f30\u7b97\u6fc0\u53d1\u6001\u8fd8\u539f\u7535\u4f4d\uff0c\u53d1\u73b0\u5b83\u4e0eTiO2\u53d7\u4f53\u76f8\u91cd\u53e0\uff0c\u56fe\u4e2d\u4e3a\u7070\u8272\u9634\u5f71\u3002<\/p>\n

\u6ce8\uff1aRuIII\/II\u8868\u793a\u91d1\u5c5e\u94d1\u4e09\u4ef7\u6001\u548c\u4e8c\u4ef7\u6001\u7684\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\uff08RuIII\u3001RuII\u5206\u522b\u4e3a\u4e09\u4ef7\u3001\u4e8c\u4ef7\u6001\uff09\uff1bTPA\u2022+\/o\u8868\u793aTPA\u7684\u6c27\u5316\u8fd8\u539f\u6001\u7684\u53d8\u5316\uff0c\u4e5f\u5373\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u3002<\/p>\n

\u56fe3 \u754c\u9762\u7535\u5b50\u4eceTiO2\u8f6c\u79fb\u5230\u8fdc\u8dddTPA\u2022+\u7684\u901a\u9053\u7684\u5149\u8c31\u5b66\u548c\u52a8\u529b\u5b66\u8bc1\u660e<\/strong><\/p>\n

\"f3\"<\/p>\n

a, \u77ac\u6001\u5438\u6536\u5dee\u5149\u8c31 \u5728\u52a0\u8f7d532nm\u6fc0\u53d1\u5149\uff080.4mJ\/cm2\uff09\u57282x\/TiO2\uff080.5M LiClO4\/CH3CN\uff09\u540e\u7684\u6307\u5b9a\u5ef6\u8fdf\u65f6\u95f4\u5185\u6d4b\u91cf
\nb, \u4ecea\u7684\u6570\u636e\u4e2d\u63d0\u53d6\u6240\u5f97\u7684DAS\uff08\u8870\u53d8\u5173\u8054\u5149\u8c31\uff09\uff0c\u53cd\u6620\u4e86RuIII\uff08\u84dd\u8272\uff09\u548cTPA+\uff08\u7ea2\u8272\uff09\u6d53\u5ea6\u968f\u65f6\u95f4\u7684\u53d8\u5316
\nc,d, \u5355\u6ce2\u957f\u52a8\u529b\u5b66\u6570\u636e \u4e3b\u8981\u53cd\u6620\u51fa\u4e86\u7535\u5b50\u4eceTiO2\u5411RuIII\uff08\u84dd\u8272\uff09\u6216TPA\u2022+\uff08\u7ea2\u8272\uff09\u8f6c\u79fb\u4e0eKWW\u65b9\u7a0b\u76f8\u543b\u5408\u3002\u5bf9\u6bd4\u7684\u52a8\u529b\u5b66\u5206\u6790\u8868\u660e\uff0cTPA\u548cRuIII\u7684\u8fd8\u539f\u5bf9\u82ef\u57fa\u6865\u662f\u76f8\u540c\u7684\uff0ck-RuIII\/k-TPA\u2022+ =1\uff0c\u4f46\u5374\u660e\u663e\u5730\u53d7\u5230\u4e8c\u7532\u82ef\u57fa\u6865\u7684\u5f71\u54cd\uff0ck-RuIII\/k-TPA\u2022+ >10.<\/p>\n

\u6ce8\uff1aDAS\uff0cdecay-associated spectra\uff0c\u5373\u8870\u53d8\u5173\u8054\u5149\u8c31\uff1bKWW\u65b9\u7a0b\u5373Kohlrausch\u2013Williams\u2013Watts\u65b9\u7a0b\u3002<\/p>\n

\u5c0f\u7ed3\uff1a<\/strong>
\n\u5177\u6709\u591a\u5b54\u7ed3\u6784\u7684TiO2\u8584\u819c\u4e0a\u56fa\u5b9a\u56db\u79cd\u521a\u6027\u7684\u540c\u7cfb\u7269\u5206\u5b50\uff0c\u5e76\u5bf9\u5176\u5149\u8c31\u7279\u6027\u548c\u6c27\u5316\u8fd8\u539f\u884c\u4e3a\u8fdb\u884c\u4e86\u91cf\u5316\u5206\u6790\u3002\u5728\u7532\u57fa\u7532\u57fa\u57fa\u56e2\u5f15\u5165\u540e\uff0c\u7535\u5b50\u8026\u5408\u53d1\u751f\u53d8\u5316\uff0c\u7532\u57fa\u57fa\u56e2\u5f71\u54cd\u4e86\u5e73\u9762\u567b\u5429\u57fa\u56e2\u548c\u4e09\u82ef\u80fa\u4f9b\u4f53\u7684\u82b3\u9999\u73af\u3002\u82b3\u9999\u567b\u5429\u6865\u7684\u53d6\u5411\u660e\u663e\u53d7\u5230\u4e86\u7535\u5b50\u4eceTiO2\u5411\u8fdc\u7aef\u53d7\u4f53\u8f6c\u79fb\u7684\u5f71\u54cd\uff0c\u8fd9\u5bf9\u8fd9\u79cd\u91cd\u8981\u7684\u754c\u9762\u53cd\u5e94\u7684\u901a\u9053\u662f\u5173\u952e\u6027\u8bc1\u636e\u3002\u4f5c\u8005\u8ba4\u4e3a\uff0c\u5b9e\u9a8c\u6570\u636e\u8868\u660e\uff0c\u7a7f\u8fc7\u5316\u5b66\u952e\u7684\u901a\u9053\u9700\u8981\u5728\u5206\u5b50\u534a\u5bfc\u4f53\u754c\u9762\u5904\u7684\u754c\u9762\u7535\u5b50\u8f6c\u79fb\u7684\u57fa\u7840\u673a\u68b0\u6a21\u578b\u4e0b\u8003\u8651\u548c\u5206\u6790\u3002\u6b64\u5916\uff0c\u6865\u539f\u5b50\u7684\u5206\u5b50\u6392\u5217\u80fd\u591f\u5f71\u54cd\u754c\u9762\u7535\u5b50\u8f6c\u79fb\uff0c\u8fd9\u4e00\u70b9\u80fd\u591f\u7528\u6765\u4f18\u5316\u592a\u9633\u80fd\u8f6c\u5316\u6548\u7387\u3002\u5c3d\u7ba1\u589e\u5f3a\u201cdonor\u2013bridge\u2013acceptor\u201d\u654f\u611f\u7269\u7684\u8fde\u63a5\u6027\uff0c\u662f\u8fc7\u53bb\u4e94\u5e74\u6765\u5bfb\u627e\u7ec4\u5148\u8fdb\u5668\u4ef6\u7684\u5355\u72ec\u7684\u76ee\u6807\u4e4b\u4e00\uff0c\u4f46\u662f\u672c\u6587\u7684\u5de5\u4f5c\u5374\u9996\u6b21\u63ed\u793a\u4e86\u6253\u4e71\u8fd9\u79cd\u6240\u8c13\u7684\u8fde\u63a5\u6027\u662f\u6709\u597d\u5904\u7684\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aKinetic pathway for interfacial electron transfer from a semiconductor to a molecule<\/a><\/p>\n

\u6750\u6599\u4eba\u65b0\u9510\u7f16\u8f91\u674e\u5353\u6574\u7406\uff0c\u611f\u8c22\u7cef\u7c73\u63d0\u4f9b\u7d20\u6750\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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