{"id":48750,"date":"2023-08-24T08:28:53","date_gmt":"2023-08-24T00:28:53","guid":{"rendered":"https:\/\/www.chemhui.com\/?p=48750"},"modified":"2023-08-07T10:29:44","modified_gmt":"2023-08-07T02:29:44","slug":"%e6%b5%99%e5%b8%88%e5%a4%a7-%e7%85%a4%e5%8c%96%e6%89%80%e5%bc%a0%e6%8c%af%e5%8d%8e%e7%ad%89-%e8%b0%83%e6%8e%a7pd-tio2101%e5%82%ac%e5%8c%96%e5%89%82%e4%b8%adpd%e7%94%b5%e5%ad%90%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"http:\/\/www.chemhui.com\/%e6%b5%99%e5%b8%88%e5%a4%a7-%e7%85%a4%e5%8c%96%e6%89%80%e5%bc%a0%e6%8c%af%e5%8d%8e%e7%ad%89-%e8%b0%83%e6%8e%a7pd-tio2101%e5%82%ac%e5%8c%96%e5%89%82%e4%b8%adpd%e7%94%b5%e5%ad%90%e7%bb%93%e6%9e%84\/","title":{"rendered":"\u6d59\u5e08\u5927\/\u7164\u5316\u6240\u5f20\u632f\u534e\u7b49: \u8c03\u63a7Pd\/TiO2{101}\u50ac\u5316\u5242\u4e2dPd\u7535\u5b50\u7ed3\u6784\u548c\u539f\u5b50\u5229\u7528\u7387\u9ad8\u6548\u50ac\u5316CO2\u52a0\u6c22\u5236\u7532\u9178"},"content":{"rendered":"<section>\n<section>\u25b2\u7b2c\u4e00\u4f5c\u8005\uff1a\u738b\u7d2b\u8587\u00a0 \u00a0<\/section>\n<\/section>\n<p>&nbsp;<\/p>\n<section>\n<section>\u901a\u8baf\u4f5c\u8005\uff1a\u5f20\u632f\u534e\uff0c\u5218\u661f\u8fb0\uff0c\u5bab\u57f9\u519b\uff0c\u6c64\u5c91\u00a0\u00a0\u00a0<\/section>\n<\/section>\n<section>\n<section>\u901a\u8baf\u5355\u4f4d\uff1a\u6d59\u6c5f\u5e08\u8303\u5927\u5b66\uff0c\u4e2d\u79d1\u9662\u5c71\u897f\u7164\u5316\u6240\u00a0\u00a0\u00a0<\/section>\n<\/section>\n<section>\n<section>\u8bba\u6587DOI\uff1a10.1021\/acscatal.3c02428 \u00a0\u00a0<\/section>\n<\/section>\n<section><strong>\u00a0<\/strong><\/section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"97334\">\n<section>\n<section>\n<section><strong>0<\/strong>1<\/section>\n<section><\/section>\n<section data-brushtype=\"text\"><strong>\u5168\u6587\u901f\u89c8<\/strong><\/section>\n<section><\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>\u672c\u6587\u901a\u8fc7\u6539\u53d8Pd&amp;PdAg\/TiO<sub>2<\/sub>{101}\u50ac\u5316\u5242\u4e2dPd\u7684\u62c5\u8f7d\u91cf\u548cPd:Ag\u6bd4\u4f8b\u6765\u8c03\u63a7\u88ab\u8d1f\u8f7dPd\u7c92\u5b50\u7684\u7535\u5b50\u7ed3\u6784\uff0c\u5e76\u5c06\u5176\u7528\u4e8eCO<sub>2<\/sub>\u52a0\u6c22\u5236\u7532\u9178\u53cd\u5e94\u3002\u7814\u7a76\u8868\u660e\uff0c\u968f\u7740Pd\u62c5\u8f7d\u91cf\u7684\u4e0b\u964d\uff0c\u5176\u524a\u5f31\u7684\u91d1\u5c5e\u6027\u9650\u5236\u4e86\u50ac\u5316\u52a0\u6c22\u6d3b\u6027\uff0c\u5bfc\u81f4\u5176\u7532\u9178\u4ea7\u7387\u9aa4\u964d\u3002Ag\u7684\u6dfb\u52a0\u4e0d\u4ec5\u80fd\u591f\u63d0\u5347\u88ab\u8d1f\u8f7dPd\u7269\u79cd\u7684\u91d1\u5c5e\u6027\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u4fc3\u8fdbPd\u539f\u5b50\u5229\u7528\u7387\uff0c\u5171\u540c\u4fc3\u8fdb\u50ac\u5316\u53cd\u5e94\u3002\u7136\u800c\uff0c\u6dfb\u52a0\u8f83\u591a\u7684Ag\u9650\u5236\u4e86H\u6ea2\u6d41\u6548\u5e94\uff0c\u8fdb\u800c\u6291\u5236\u50ac\u5316\u52a0\u6c22\u8fc7\u7a0b\u3002\u56e0\u6b64\uff0c\u5177\u6709\u6700\u4f73Pd:Ag\u6bd4\uff08Pd-Ag\u914d\u4f4d\u6570\u4e3a2\uff09\u7684Pd<sub>0.2<\/sub>Ag<sub>0.04<\/sub>\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\u5c55\u793a\u4e86\u6700\u4f73\u7684\u53cd\u5e94\u6027\u80fd\uff0c40\u00a0<sup>o<\/sup>C\u6761\u4ef6\u4e0b\u7684\u7532\u9178\u4ea7\u7387\u53ef\u8fbe1429\u00a0h<sup>-1<\/sup>\u3002\u52a8\u529b\u5b66\u548c\u8c31\u5b66\u7814\u7a76\u5171\u540c\u8bc1\u660e\u53cd\u5e94\u662f\u901a\u8fc7\u78b3\u9178\u6c22\u76d0\u4e2d\u95f4\u4f53\u8fdb\u884c\uff0c\u5176\u52a0\u6c22\u5f62\u6210\u7532\u9178\u76d0\u662f\u53cd\u5e94\u7684\u901f\u63a7\u6b65\u3002<\/section>\n<section><strong>\u00a0<\/strong><\/section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"97334\">\n<section>\n<section>\n<section><strong>0<\/strong><span data-num=\"2\">2<\/span><\/section>\n<section><\/section>\n<section data-brushtype=\"text\"><strong>\u80cc\u666f\u4ecb\u7ecd<\/strong><\/section>\n<section><\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>\u7532\u9178\uff08FA\uff0cHCOOH\uff09\u4f5c\u4e3a\u4e00\u79cd\u91cd\u8981\u7684\u5546\u54c1\u5316\u5b66\u54c1\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u533b\u7597\u3001\u76ae\u9769\u3001\u9632\u8150\u5242\u548c\u519c\u836f\u7b49\u9886\u57df\u3002\u5de5\u4e1a\u4e0a\u4f20\u7edf\u7684FA\u751f\u4ea7\u7b56\u7565\u662f\u901a\u8fc7\u7532\u9178\u7532\u916f\u7684\u6c34\u89e3\u6216\u751f\u7269\u8d28\u7684\u6c27\u5316\uff0c\u8fd9\u4e9b\u8fc7\u7a0b\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u4ea7\u751f\u4e00\u4e9b\u526f\u4ea7\u7269\uff0c\u5206\u79bb\u56f0\u96be\u4e14\u7ecf\u6d4e\u6027\u5dee\u3002\u50ac\u5316CO<sub>2<\/sub>\u52a0\u6c22\u5236\u5907\u9ad8\u9644\u52a0\u503c\u7684\u5316\u5b66\u54c1\u88ab\u8ba4\u4e3a\u662f\u89e3\u51b3\u65e5\u76ca\u4e25\u91cd\u7684\u6e29\u5ba4\u6548\u5e94\u6700\u6709\u6548\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u4f5c\u4e3aCO<sub>2<\/sub>\u52a0\u6c22\u4e2d\u6700\u7ecf\u6d4e\u6027\u7684\u53cd\u5e94\uff0cCO<sub>2<\/sub>\u52a0\u6c22\u5236\u7532\u9178(CO<sub>2<\/sub>\u00a0+ H<sub>2<\/sub>\u00a0\u2192 HCOOH)\u662f\u70ed\u529b\u5b66\u4e0d\u5229\u7684((\u2206G = 33 kJ mol<sup>-1<\/sup>))\uff0c\u4f46\u80fd\u5728\u6c34\u6eb6\u6db2\u4e2d\u53d1\u751f(\u2206G = -4 kJ mol<sup>-1<\/sup>)\uff0c\u7279\u522b\u662f\u5728\u78b1\u5b58\u5728\u7684\u60c5\u51b5\u4e0b\u3002\u56e0\u6b64\uff0c\u5f00\u53d1CO<sub>2<\/sub>\u52a0\u6c22\u5236\u7532\u9178\u53cd\u5e94\u50ac\u5316\u5242\u5177\u6709\u91cd\u8981\u610f\u4e49\uff0c\u5176\u4e0d\u4ec5\u53ef\u4ee5\u5229\u7528\u6e29\u5ba4\u6c14\u4f53CO<sub>2<\/sub>\uff0c\u8fd8\u53ef\u4ee5\u6709\u6548\u5730\u50a8\u5b58H<sub>2<\/sub>\uff0c\u4ee5\u5b9e\u73b0CO<sub>2<\/sub>\u4e3a\u5a92\u4ecb\u7684\u6c22\u80fd\u5faa\u73af\u3002<\/section>\n<section>\n<section><\/section>\n<\/section>\n<section>\u5148\u524d\uff0c\u9488\u5bf9\u8be5\u53cd\u5e94\u7684\u7814\u7a76\u4e3b\u8981\u91c7\u7528\u5747\u76f8\u50ac\u5316\u4f53\u7cfb\uff0c\u5982\u91c7\u7528Ru, Rh\u6216Ir\u7b49\u590d\u5408\u50ac\u5316\u5242\u3002\u5c3d\u7ba1\u5b83\u4eec\u50ac\u5316\u6027\u80fd\u9ad8\uff0c\u4f46\u7531\u4e8e\u5747\u76f8\u50ac\u5316\u5242\u56de\u6536\u7684\u9ad8\u6210\u672c\u548c\u7e41\u7410\u7684\u5206\u79bb\u7b49\u7f3a\u70b9\uff0c\u4f7f\u5f97\u5b83\u7684\u53d1\u5c55\u53d7\u5230\u9650\u5236\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u8fd9\u4e9b\u7f3a\u70b9\u53ef\u4ee5\u5728\u591a\u76f8\u50ac\u5316\u4e2d\u5f97\u5230\u5f25\u8865\uff0c\u56e0\u800c\u8fd9\u5f15\u8d77\u4e86\u4eba\u4eec\u7684\u6781\u5927\u5174\u8da3\u3002\u5728\u4e0d\u540c\u7684\u591a\u76f8\u50ac\u5316\u5242\u4e2d\uff0c\u8d1f\u8f7d\u578bPd\u50ac\u5316\u5242\u6700\u5177\u5e94\u7528\u524d\u666f\u3002\u4e0e\u5176\u4ed6\u50ac\u5316\u4f53\u7cfb\u76f8\u6bd4\uff0c\u5176\u50ac\u5316\u6d3b\u6027\u8981\u9ad8\u51fa1\u4e2a\u6570\u91cf\u7ea7\u3002\u4f46\u4e0e\u5747\u76f8\u50ac\u5316\u5242\u76f8\u6bd4\uff0c\u5176Pd\u539f\u5b50\u5229\u7528\u7387\u548c\u53cd\u5e94TOF\u4f9d\u65e7\u8f83\u4f4e\uff0c\u8fd9\u6781\u5927\u5730\u9650\u5236\u4e86\u5b83\u7684\u5e94\u7528\u3002\u7814\u7a76\u8868\u660e\uff0c\u8d1f\u8f7d\u578bPd\u50ac\u5316\u5242\u5728CO<sub>2<\/sub>\u52a0\u6c22\u5236FA\u4e2d\u7684\u50ac\u5316\u6027\u80fd\u5f3a\u70c8\u4f9d\u8d56\u4e8e\u8f7d\u4f53\u7684\u78b1\u5ea6\u548cPd\u7269\u79cd\u7684\u7535\u5b50\u7ed3\u6784\u3002\u56e0\u6b64\uff0c\u4f18\u5316\u8fd9\u4e24\u79cd\u7ed3\u6784\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u6548FA\u5408\u6210\u50ac\u5316\u5242\u81f3\u5173\u91cd\u8981\u3002<\/section>\n<section>\n<section><\/section>\n<\/section>\n<section>\u8f7d\u4f53\u7684\u6027\u8d28\uff08\u4f8b\u5982\u79cd\u7c7b\u3001\u6676\u76f8\u548c\u6676\u9762\u7ed3\u6784\u7b49\uff09\u5bf9FA\u5408\u6210\u53cd\u5e94\u50ac\u5316\u6027\u80fd\u7684\u5f71\u54cd\u5df2\u88ab\u5e7f\u6cdb\u7814\u7a76\uff0c\u4f8b\u5982\uff0c\u6211\u4eec\u5148\u524d\u901a\u8fc7TiO<sub>2<\/sub>\u6676\u76f8\u548c\u6676\u9762\u8c03\u63a7\u5236\u5907\u5f97\u51fa\u9510\u949b\u77ffTiO<sub>2<\/sub>{101}\u7eb3\u7c73\u6676\u8d1f\u8f7dPd\u5177\u6709\u6781\u4f73\u7684FA\u5408\u6210\u6027\u80fd\uff0c\u5b9e\u9a8c\u7ed3\u679c\u8bc1\u660e\u5176\u9ad8\u6d3b\u6027\u4e0eTiO<sub>2<\/sub>\u8868\u9762\u4e2d\u5f3a\u78b1\u6027\u4f4d\u5bc6\u5ea6\u76f8\u5173\uff0c\u5176\u80fd\u591f\u4fc3\u8fdbCO<sub>2<\/sub>\u7684\u5438\u9644\u6d3b\u5316\uff0c\u52a0\u5f3a\u50ac\u5316\u52a0\u6c22\u6027\u80fd\uff1b\u5176\u9ad8\u7a33\u5b9a\u6027\u7531TiO<sub>2<\/sub>\u8868\u9762\u7f3a\u9677\u6d53\u5ea6\u51b3\u5b9a\uff0c\u5176\u80fd\u591f\u5f71\u54cdPd-TiO2\u76f8\u4e92\u4f5c\u7528\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u7a33\u5b9aPd\u539f\u5b50\u7ed3\u6784\u3002\u8fd9\u4e9b\u7ed3\u8bba\u4e5f\u5728CeO<sub>2<\/sub>\u3001ZrO<sub>2<\/sub>\u548cZnO\u8f7d\u4f53\u5f97\u4ee5\u8bc1\u5b9e\u3002\u9664\u6b64\u4ee5\u5916\uff0c\u88ab\u8d1f\u8f7dPd\u7269\u79cd\u7535\u5b50\u7ed3\u6784\u5bf9FA\u5408\u6210\u6027\u80fd\u7684\u5f71\u54cd\u4e5f\u5df2\u88ab\u7814\u7a76\uff0c\u4f46\u4e3b\u8981\u96c6\u4e2d\u5728\u53cc\u91d1\u5c5e\u5408\u91d1\u9886\u57df\uff0c\u5982PdAg\u5408\u91d1\u5728FA\u5408\u6210\u4e2d\u7684\u7814\u7a76\u5df2\u88ab\u5e7f\u6cdb\u8c03\u67e5\uff0c\u4f46\u8fd9\u4e9b\u7814\u7a76\u6ca1\u6709\u5bf9\u6d3b\u6027\u4f4d\u7ed3\u6784\u548c\u53cd\u5e94\u673a\u7406\u8fdb\u884c\u6df1\u5f7b\u7814\u7a76\uff0c\u5bfc\u81f4\u5bf9\u8be5\u4f53\u7cfb\u9ad8\u6548\u50ac\u5316\u5242\u7684\u7814\u5236\u53d7\u5230\u6781\u5927\u9650\u5236\u3002\u56e0\u6b64\uff0c\u7cfb\u7edf\u7814\u7a76CO<sub>2<\/sub>\u52a0\u6c22\u5236FA\u53cd\u5e94\u4e2d\u8d1f\u8f7d\u578bPd\u7269\u79cd\u7684\u7535\u5b50\u7ed3\u6784\u5c31\u5177\u6709\u91cd\u8981\u79d1\u5b66\u610f\u4e49\u3002<\/section>\n<section><strong>\u00a0<\/strong><\/section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"97334\">\n<section>\n<section>\n<section><strong>0<\/strong><span data-num=\"3\">3<\/span><\/section>\n<section><\/section>\n<section data-brushtype=\"text\"><strong>\u7814\u7a76\u51fa\u53d1\u70b9<\/strong><\/section>\n<section><\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>(1) \u901a\u8fc7Pd\u7535\u5b50\u7ed3\u6784\u8c03\u63a7\u5b9e\u9a8c\u6e29\u548c\u6761\u4ef6\u4e0b\u9ad8\u6548FA\u5408\u6210\u50ac\u5316\u5242\u7684\u7814\u5236\uff0c\u5176\u4e2dPd<sub>0.2<\/sub>Ag<sub>0.04<\/sub>\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\u572840<sup>o<\/sup>C\u30011MPa CO<sub>2<\/sub>\u548c1\u00a0MPa H<sub>2<\/sub>\u53cd\u5e94\u6761\u4ef6\u4e0bFA\u5408\u6210\u7684TOF\u9ad8\u8fbe1429h<sup>-1<\/sup>.<\/section>\n<section>(2)\u00a0\u57fa\u4e8e\u539f\u4f4d\u6f2b\u53cd\u5c04\u7ea2\u5916\u5149\u8c31\u548cDFT\u8ba1\u7b97\u6e05\u6670\u8bc1\u660ePdAg\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\u4f53\u7cfb\u4e2dPd-Ag\u914d\u4f4d\u7ed3\u6784\u4e3a2\u65f6\uff0c\u5177\u6709\u6700\u4f73\u7684FA\u5f62\u6210\u901f\u7387\u3002<\/section>\n<section>(3)\u00a0\u53cd\u5e94\u52a8\u529b\u5b66\u548c\u539f\u4f4d\u8c31\u5b66\u76f8\u7ed3\u5408\u8bc1\u660e\u78b3\u9178\u6c22\u76d0\u7269\u79cd\u662f\u53cd\u5e94\u7684\u4e2d\u95f4\u4f53\uff0c\u5176\u52a0\u6c22\u4ea7\u751f\u7532\u9178\u76d0\u662f\u53cd\u5e94\u7684\u901f\u63a7\u6b65\u3002<\/section>\n<section>(4)\u00a0\u8be5\u7814\u7a76\u52a0\u6df1\u4e86\u8d1f\u8f7d\u578bPd\u50ac\u5316\u5242\u5728CO<sub>2<\/sub>\u52a0\u6c22\u5236FA\u53cd\u5e94\u4e2d\u7684\u57fa\u672c\u8ba4\u8bc6\uff0c\u62d3\u5bbd\u4e86\u8f7d\u4f53\u5f62\u8c8c\u7b56\u7565\u7814\u5236\u9ad8\u6548\u591a\u76f8\u50ac\u5316\u5242\u7684\u57fa\u672c\u65b9\u6cd5\u3002<\/section>\n<section><strong>\u00a0<\/strong><\/section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"97334\">\n<section>\n<section>\n<section><strong>0<\/strong><span data-num=\"4\">4<\/span><\/section>\n<section><\/section>\n<section data-brushtype=\"text\"><strong>\u56fe\u6587\u89e3\u6790<\/strong><\/section>\n<section><\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>\u00a0<\/section>\n<section>\n<section><img decoding=\"async\" title=\"1\" src=\"http:\/\/9794.seohost.cn\/storage\/9794\/article\/20230802\/1690943638985527.png\" alt=\"1\" \/><\/section>\n<section><strong>\u25b2Figure 1.\u00a0<\/strong>Representative TEM and HRTEM images of (A1, A2) anatase TiO<sub>2<\/sub>{101} and (B1, B2) Pd1\/TiO<sub>2<\/sub>\u00a0catalyst; Representative HAADF-STEM and elemental mapping images of (C1-C4) Pd<sub>0.2<\/sub>\/TiO<sub>2<\/sub>\u00a0and (D1-D4) Pd<sub>0.2<\/sub>Ag<sub>0.04<\/sub>\/TiO<sub>2<\/sub>\u00a0catalysts. Insets in A1 and B1-D1 show corresponding models and Pd particle size distribution, respectively. Lattice fringes of 0.35 and 0.22 nm respectively correspond to the spacing of anatase TiO<sub>2<\/sub>\u00a0{101} (JCPDS cards No. 21-1272) and Pd{111} (JCPDS cards No. 65-2867) crystal planes.<\/section>\n<\/section>\n<section>\n<section><\/section>\n<\/section>\n<section>\n<section><img decoding=\"async\" title=\"2\" src=\"http:\/\/9794.seohost.cn\/storage\/9794\/article\/20230802\/1690943645457624.png\" alt=\"2\" \/><\/section>\n<section><strong>\u25b2Figure 2.<\/strong>\u00a0(A) UV-Vis spectra, (B) quasi in situ Pd 3d XPS spectra, and (C, D) in situ CO-DRIFTS spectra of various Pd\/TiO<sub>2<\/sub>\u00a0and PdAg\/TiO<sub>2<\/sub>\u00a0catalysts; (E) Calculated vibrational frequency\u00a0of the C-O stretching mode of linear adsorbed CO on Pd-top site with dif-ferent coordination number of Pd-Ag bond; large cyan balls: Pd; large grey balls: Ag.<\/section>\n<\/section>\n<section>\n<section><\/section>\n<\/section>\n<section>\n<section><img decoding=\"async\" title=\"3\" src=\"http:\/\/9794.seohost.cn\/storage\/9794\/article\/20230802\/1690943654991820.png\" alt=\"3\" \/><\/section>\n<section><strong>\u25b2Figure 3.<\/strong>\u00a0(A) Production rate of FA (h<sup>-1<\/sup>) calculated by the surface amount of Pd atoms on various Pd\/TiO<sub>2<\/sub>\u00a0and PdAg\/TiO<sub>2<\/sub>\u00a0catalysts at 40\u00a0<sup>o<\/sup>C; (B) The Arrhenius plots and reaction orders of (C) CO<sub>2<\/sub>, (D) NaHCO<sub>3<\/sub>, and (E) H<sub>2<\/sub>\u00a0at 40\u00a0<sup>o<\/sup>C of representative Pd\/TiO<sub>2<\/sub>\u00a0and PdAg\/TiO<sub>2<\/sub>\u00a0catalysts.<\/section>\n<\/section>\n<section>\n<section><\/section>\n<\/section>\n<section>\n<section><img decoding=\"async\" title=\"8\" src=\"http:\/\/9794.seohost.cn\/storage\/9794\/article\/20230802\/1690943668372497.png\" alt=\"8\" \/><\/section>\n<section><strong>\u25b2F<\/strong><strong>igure 4.<\/strong>\u00a0(A) H<sub>2<\/sub>-TPR profile of\u00a0pristine\u00a0TiO<sub>2<\/sub>\u00a0NCs, and representative Pd\/TiO<sub>2<\/sub>\u00a0and PdAg\/TiO<sub>2<\/sub>\u00a0catalysts; (B) In situ DRIFTS spectra of Pd<sub>1<\/sub>\/TiO<sub>2<\/sub>, Pd<sub>0.2<\/sub>\/TiO<sub>2<\/sub>\u00a0and Pd<sub>0.2<\/sub>Ag<sub>0.04<\/sub>\/TiO<sub>2<\/sub>\u00a0catalysts under reaction atmosphere (CO<sub>2<\/sub>:H<sub>2<\/sub>\u00a0= 1:1) for 30 min; (C) In situ DRIFTS spectra of Pd<sub>0.2<\/sub>Ag<sub>0.04<\/sub>\/TiO<sub>2<\/sub>\u00a0catalyst in first CO<sub>2<\/sub>\u00a0and then CO<sub>2<\/sub>\u00a0+ H<sub>2<\/sub>\u00a0atmospheres for 30 min.<\/section>\n<\/section>\n<section><strong>\u00a0<\/strong><\/section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"97334\">\n<section>\n<section>\n<section><strong>0<\/strong><span data-num=\"5\">5<\/span><\/section>\n<section><\/section>\n<section data-brushtype=\"text\"><strong>\u603b\u7ed3\u4e0e\u5c55\u671b<\/strong><\/section>\n<section><\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>\u5728\u7814\u7a76\u4e2d\uff0c\u901a\u8fc7\u7cbe\u786e\u8c03\u63a7Pd\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\u4e2dPd\u539f\u5b50\u542b\u91cf\u548cPdAg\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\u4e2dPd:Ag\u6bd4\u4f8b\uff0c\u6211\u4eec\u6210\u529f\u5730\u6f84\u6e05\u4e86\u88ab\u8d1f\u8f7dPd\u7269\u79cd\u5728CO<sub>2<\/sub>\u52a0\u6c22\u5236FA\u53cd\u5e94\u4e2d\u7684\u7535\u5b50\u6548\u5e94\uff0c\u540c\u65f6\u4e5f\u9610\u660e\u4e86\u53cd\u5e94\u673a\u7406\u3002\u5b9e\u9a8c\u8bc1\u636e\u8868\u660e\u91d1\u5c5e\u6001Pd\u7269\u79cd\u6709\u5229\u4e8eH<sub>2<\/sub>\u6d3b\u5316\uff0c\u4ece\u800c\u4fc3\u8fdb\u52a0\u6c22\u53cd\u5e94\u6027\u80fd\u3002Ag\u7684\u6dfb\u52a0\u5728\u4e00\u65b9\u9762\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u88ab\u8d1f\u8f7dPd\u7269\u79cd\u7684\u91d1\u5c5e\u6027\uff0c\u4e5f\u4fc3\u8fdb\u4e86Pd\u539f\u5b50\u5229\u7528\u7387\uff0c\u4e8c\u8005\u5171\u540c\u63d0\u5347\u4e86\u53cd\u5e94\u7684\u6d3b\u6027\uff1b\u53e6\u4e00\u65b9\u9762\u4e5f\u6291\u5236\u4e86Pd\u2212TiO<sub>2<\/sub>\u754c\u9762\u4e0a\u7684H-\u6ea2\u6d41\u6548\u5e94\u3002\u56e0\u6b64\uff0c\u5177\u6709\u6700\u4f73Pd:Ag\u6bd4(1:0.2)\u548cPd-Ag\u914d\u4f4d\u6570(2)\u7684Pd<sub>0.2<\/sub>Ag<sub>0.04<\/sub>\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\u5c55\u793a\u4e86\u524d\u6240\u672a\u6709\u7684FA\u4ea7\u7387\u3002\u53cd\u5e94\u52a8\u529b\u5b66\u548c\u539f\u4f4d\u6f2b\u53cd\u5c04\u7ea2\u5916\u5149\u8c31\u8bc1\u660e\u8be5\u53cd\u5e94\u662f\u901a\u8fc7\u78b3\u9178\u6c22\u76d0\u7684\u4e2d\u95f4\u4f53\u8fdb\u884c\uff0c\u5176\u52a0\u6c22\u4ea7\u751f\u7532\u9178\u76d0\u662f\u53cd\u5e94\u7684\u901f\u63a7\u6b65\u3002\u8fd9\u4e00\u7ed3\u679c\u4e0d\u4ec5\u5927\u5927\u52a0\u6df1\u4e86\u8d1f\u8f7d\u578bPd\u50ac\u5316\u5242\u5728CO<sub>2<\/sub>\u52a0\u6c22\u5236FA\u53cd\u5e94\u7684\u57fa\u672c\u8ba4\u8bc6\uff0c\u540c\u65f6\u4e5f\u4e3a\u5f00\u53d1\u9ad8\u6548\u3001\u4f4e\u6210\u672c\u7684FA\u5408\u6210\u50ac\u5316\u5242\u63d0\u4f9b\u7406\u8bba\u6307\u5bfc\u3002<\/section>\n<section><strong>\u00a0<\/strong><\/section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"97334\">\n<section>\n<section>\n<section><strong>0<\/strong><span data-num=\"6\">6<\/span><\/section>\n<section><\/section>\n<section data-brushtype=\"text\"><strong>\u53c2\u8003\u6587\u732e<\/strong><\/section>\n<section><\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>Z.\u00a0Wang, D. Ren, Y. He, M. Hong, Y. Bai, A. Jia, X. Liu, C. Tang,* P. Gong,* X. Liu,* W. Huang, Z. Zhang,* Tailoring Electronic Properties and Atom Utilizations of the Pd Species Supported on Anatase TiO<sub>2<\/sub>\u00a0{101} for Efficient CO<sub>2<\/sub>\u00a0Hydrogenation to Formic Acid. ACS Catal. 2023, 13, 10056-10064.<\/section>\n<section>https:\/\/pubs.acs.org\/doi\/10.1021\/acscatal.3c02428<\/section>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25b2\u7b2c\u4e00\u4f5c\u8005\uff1a\u738b\u7d2b\u8587\u00a0 \u00a0 &nbsp; \u901a\u8baf\u4f5c\u8005\uff1a\u5f20\u632f\u534e\uff0c\u5218\u661f\u8fb0\uff0c\u5bab\u57f9\u519b\uff0c\u6c64\u5c91\u00a0\u00a0\u00a0 \u901a\u8baf\u5355\u4f4d\uff1a\u6d59\u6c5f\u5e08\u8303\u5927\u5b66\uff0c [&hellip;]<\/p>\n","protected":false},"author":326,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-48750","post","type-post","status-publish","format-standard","hentry","category-tuijianyuedu"],"_links":{"self":[{"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/posts\/48750","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/users\/326"}],"replies":[{"embeddable":true,"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/comments?post=48750"}],"version-history":[{"count":1,"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/posts\/48750\/revisions"}],"predecessor-version":[{"id":48751,"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/posts\/48750\/revisions\/48751"}],"wp:attachment":[{"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/media?parent=48750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/categories?post=48750"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.chemhui.com\/wp-json\/wp\/v2\/tags?post=48750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}