{"id":168335,"date":"2019-02-28T12:00:36","date_gmt":"2019-02-28T04:00:36","guid":{"rendered":"\/\/m.iemloyee.com\/?p=168335"},"modified":"2019-02-27T21:24:52","modified_gmt":"2019-02-27T13:24:52","slug":"%e5%a4%a9%e6%b4%a5%e5%a4%a7%e5%ad%a6jacs%ef%bc%9a%e8%a1%a8%e9%9d%a2%e7%be%9f%e5%9f%ba%e5%af%b9%e7%94%b5%e5%8c%96%e5%ad%a6co2%e8%bf%98%e5%8e%9f%e6%b4%bb%e6%80%a7%e5%92%8c%e7%a8%b3%e5%ae%9a%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=168335","title":{"rendered":"\u5929\u6d25\u5927\u5b66JACS\uff1a\u8868\u9762\u7f9f\u57fa\u5bf9\u7535\u5316\u5b66CO2\u8fd8\u539f\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684\u5173\u952e\u4f5c\u7528"},"content":{"rendered":"

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

\u8868\u9762\u7f9f\u57fa\u5bf9\u4e8e\u7406\u89e3\u91d1\u5c5e\u6c27\u5316\u7269\u5bf9CO2<\/sub>\u7535\u8fd8\u539f\u53cd\u5e94\uff08CO2<\/sub>ER\uff09\u7684\u50ac\u5316\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u63cf\u8ff0\u4e86\u91c7\u7528SnOx\u4f5c\u4e3a\u6a21\u578b\u4f53\u7cfb\uff0c\u901a\u8fc7\u8c03\u8282\u7f9f\u57fa\u8986\u76d6\u7387\u5f97\u5230\u7a33\u5b9a\u7684Sn\u5206\u652f\u50ac\u5316\u5242\uff0c\u8fdb\u800c\u7528\u4e8eCO2<\/sub>ER\uff0c\u78b3\u8d28\u4ea7\u54c1\u7684\u6cd5\u62c9\u7b2c\u6548\u7387\uff08FE\uff09\u4e3a93.1\uff05\u3002\u91c7\u7528\u539f\u4f4d\u8870\u51cf\u5168\u53cd\u5c04\u8868\u9762\u589e\u5f3a\u7ea2\u5916\u5438\u6536\u5149\u8c31\uff08ATR-SEIRAS\uff09\u548c\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\uff0c\u7814\u7a76\u4eba\u5458\u53d1\u73b0\uff0c\u9002\u91cf\u7684\u8868\u9762\u7f9f\u57fa\u63d0\u4f9b\u4e86\u901a\u8fc7\u6c22\u952e\u4fc3\u8fdbCO2<\/sub>\u5438\u9644\u7684\u6709\u6548\u4f4d\u70b9\u3002\u7136\u800c\uff0c\u7f9f\u57fa\u7684\u8f83\u9ad8\u8868\u9762\u8986\u76d6\u7387\u5bfc\u81f4Sn-OH\u7684\u81ea\u8fd8\u539f\u3002\u6587\u7ae0\u89e3\u91ca\u4e86Sn\u57fa\u50ac\u5316\u5242\u7684\u81ea\u8fd8\u539f\u548cCO2<\/sub>\u8fd8\u539f\u4e4b\u95f4\u7684\u7ade\u4e89\u3002\u7814\u7a76\u7ed3\u679c\u63ed\u793a\u4e86\u7f9f\u57fa\u8868\u9762\u8986\u76d6\u7387\u4e0eCO2<\/sub>ER\u6d3b\u6027\u4e4b\u95f4\u7684\u5b9a\u91cf\u76f8\u5173\u6027\uff0c\u5e76\u63d0\u51fa\u4e86\u4e00\u4e2a\u53ef\u4ee5\u5ef6\u4f38\u5230\u5176\u4ed6\u91d1\u5c5e\u6c27\u5316\u7269\u50ac\u5316\u5242CO2<\/sub>ER\u7684\u7406\u8bba\u3002<\/p>\n

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

\u5927\u591a\u6570\u91d1\u5c5e\u6c27\u5316\u7269\u50ac\u5316\u5242\u7684\u6d3b\u6027\u4f4d\u70b9\u662f\u6c27\u5316\u6001\u800c\u4e0d\u662f\u91d1\u5c5e\u6001\u3002\u4f46\u662f\u7531\u4e8e\u91d1\u5c5e\u6c27\u5316\u7269\u8fd8\u539f\u7684\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\u6bd4CO2<\/sub>ER\u6240\u9700\u7684\u7535\u4f4d\u66f4\u9ad8\uff0c\u91d1\u5c5e\u6c27\u5316\u7269\u5728\u53cd\u5e94\u6761\u4ef6\u4e0b\u53ef\u8fdb\u4e00\u6b65\u8fd8\u539f\u4e3a\u91d1\u5c5e\u6001\uff0c\u5bfc\u81f4CO2<\/sub>\u8fd8\u539f\u80fd\u529b\u964d\u4f4e\u548c\u9ad8\u6790\u6c22\u53cd\u5e94\u6d3b\u52a8\u3002\u5728\u5206\u5b50\u6c34\u5e73\u4e0a\u7406\u89e3CO2<\/sub>ER\u673a\u5236\u5bf9\u4e8e\u6539\u5584\u91d1\u5c5e\u6c27\u5316\u7269\u50ac\u5316\u5242\u7684\u7a33\u5b9a\u6027\u662f\u91cd\u8981\u7684\u3002\u8003\u8651\u5230CO2<\/sub>ER\u4ea7\u54c1\uff0cHCOOH\u5177\u6709\u5f88\u9ad8\u7684\u5546\u4e1a\u4ef7\u503c\uff0c\u56e0\u4e3a\u5b83\u5728\u76f4\u63a5\u7532\u9178\u71c3\u6599\u7535\u6c60\u4e2d\u5177\u6709\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u548c\u9ad8\u53ef\u8fd0\u8f93\u6027\u3002<\/p>\n

\u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66<\/strong>\u7684\u5de9\u91d1\u9f99<\/strong>\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005<\/strong>\uff09\u5728J. Am. Chem. Soc.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a \u201cThe Crucial Role of Surface Hydroxyls on the Activity and Stability in Electrochemical CO2<\/sub> Reduction<\/strong>\u201d \u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u7b80\u5355\u7684\u9633\u79bb\u5b50\u4ea4\u6362\u8fc7\u7a0b\u5408\u6210\u4e86\u5177\u6709\u5b9a\u91cf\u63a7\u5236\u7684\u8868\u9762\u7f9f\u57fa\u542b\u91cf\u7684Sn\u57fa\u50ac\u5316\u5242\uff08Sn\u5206\u652f\uff09\u3002\u5177\u6709\u4e2d\u7b49\u8868\u9762Sn-OH\u6d53\u5ea6\u7684Sn\u5206\u652f\u5b9e\u73b0\u4e86\u6700\u4f73\u7684CO2<\/sub>ER\u7a33\u5b9a\u6027\u3002\u7814\u7a76\u4eba\u5458\u91c7\u7528\u5faa\u73af\u4f0f\u5b89\uff08CV\uff09\uff0c\u539f\u4f4dATR-SEIRAS\u548cDFT\u8ba1\u7b97\u6765\u7814\u7a76CO2<\/sub>ER\u673a\u5236\uff0c\u53d1\u73b0\u8868\u9762\u7f9f\u57fa\u901a\u8fc7\u6c22\u952e\u63d0\u4f9b\u4e86\u4ee5H2<\/sub>CO3<\/sub>\u5f62\u5f0f\u4fc3\u8fdbCO2<\/sub>\u5438\u9644\u7684\u6709\u6548\u4f4d\u70b9\u3002\u5e76\u5efa\u8bae\u901a\u8fc7H2<\/sub>CO3<\/sub> *\uff0cCO2<\/sub>– \u548cHCOO* \u5c06CO2<\/sub>\u8fd8\u539f\u4e3aHCOOH\u3002<\/p>\n

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

\u56fe<\/strong>1<\/strong> Sn<\/strong>\u5206\u652f\u7684\u5408\u6210\u8fc7\u7a0b\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09Sn\u5206\u652f\u7684\u5408\u6210\u8fc7\u7a0b\uff1b<\/p>\n

\uff08b\uff09Sn\u5206\u652f\u7684EDS\u6620\u5c04\u548cTEM\u56fe\u50cf\uff1b<\/p>\n

\uff08c\uff09\u70ed\u91cd\u5206\u6790\u66f2\u7ebf\u548c\uff08d\uff09Sn\u5206\u652f\u7684XRD\u56fe\uff1b<\/p>\n

\uff08e\uff09Sn-OH-1.0\uff0cSn-OH-5.9\u548cSn-OH-13.9\u5206\u652f\u7684Sn 3d5\/2<\/sub>\u548cO1s XPS\u5149\u8c31\u3002<\/p>\n

\u56fe<\/strong>2<\/strong> HCOOH<\/strong>\u6027\u80fd\u6d4b\u8bd5<\/strong><\/p>\n

\u00a0\"\"<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

HCOOH\uff08a\uff09\u548cC1\u4ea7\u7269\uff08b\uff09\u7684Sn\u5206\u652f\u548cSn\u7b94\u7684FE\uff1b<\/p>\n

\uff08c\uff09ECSA\u6821\u6b63\u7684Sn\u5206\u652f\u548cSn\u7b94\u7684\u7535\u6d41\u5bc6\u5ea6\uff1b<\/p>\n

\uff08d\uff09Sn-OH-5.9\u652f\u94fe\u548cSn\u7b94\u7684\u957f\u671f\u7a33\u5b9a\u6027\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u6cd5\uff08<\/strong>LSV<\/strong>\uff09\u548c<\/strong>CV<\/strong>\u7ed3\u679c<\/strong><\/p>\n

\u00a0\"\"<\/strong><\/p>\n

\uff08a\uff09\u5728\u9971\u548c\u7684Ar\uff08pH = 6.8\uff09\u4e2d\u7684Sn-OH-5.9\u5206\u652f\u4e0a\u7684LSV\uff0c\u9971\u548cAr\uff08pH = 3.8\uff0c\u7528HCl\u8c03\u8282\uff09\u548cCO2<\/sub>\u9971\u548c\uff08pH = 3.8\uff090.1KCl\u6c34\u6eb6\u6db2\u7684\u7535\u4f4d\u3002<\/p>\n

\uff08b\uff09Sn-OH-5.9\uff0c\uff08c\uff09Sn-OH-13.9\uff0c\uff08d\uff09Sn-OH-1.0\u652f\u94fe\u4e0a\u7684\u539f\u4f4dATR-SEIRAS\u5149\u8c31\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\u8868\u9762<\/strong>Sn-OH<\/strong>\u4e0e<\/strong>H2<\/sub>CO3<\/sub><\/strong>\u5438\u9644\u4e4b\u95f4\u7684<\/strong>DFT<\/strong>\u8ba1\u7b97<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09 SnO\uff08101\uff09\u548cSnO + H\uff08101\uff09\u5728H2<\/sub>CO3<\/sub>\u5438\u6536\u8fc7\u7a0b\u4e2d\u7684\u5438\u9644\u80fd\u56fe\uff1b<\/p>\n

\uff08b\uff09\u81ea\u8fd8\u539f\u548cCO2<\/sub>ER\u8fc7\u7a0b\u4e2dSnO + H\uff08101\uff09+ H2<\/sub>CO3<\/sub>\u548cSnO + H\uff08101\uff09\u7684\u81ea\u7531\u80fd\u56fe\u3002<\/p>\n

\u00a0<\/strong><\/p>\n

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

\u901a\u8fc7\u65b0\u7684\u9633\u79bb\u5b50\u4ea4\u6362\u65b9\u6cd5\u5408\u6210\u5177\u6709\u4e0d\u540c\u7f9f\u57fa\u8986\u76d6\u7684Sn\u5206\u652f\uff0c\u5e76\u4e145.9 mmol\/cm2<\/sup>\u7684\u8868\u9762Sn-OH\u6d53\u5ea6\u663e\u793a\u51fa\u6700\u9ad8\u7684CO2<\/sub>ER\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\uff0860\u5c0f\u65f6\uff09\u3002 \u91c7\u7528\u539f\u4f4dATR-SEIRAS\u6280\u672f\u548cDFT\u8ba1\u7b97\uff0c\u7814\u7a76\u4eba\u5458\u53d1\u73b0\u8868\u9762Sn-OH\u6709\u5229\u4e8e\u901a\u8fc7\u6c22\u952e\u4ee5H2<\/sub>CO3<\/sub>\u5f62\u5f0f\u5438\u9644CO2<\/sub>\uff0c\u7136\u540eH2<\/sub>CO3<\/sub>\u53ef\u8f6c\u5316\u4e3aHCOO*\u3002 \u7136\u800c\uff0c\u8f83\u9ad8\u8868\u9762\u7684Sn-OH\u4f1a\u56e0\u6d3b\u6027\u4f4d\u70b9\u7684\u5360\u6709\u800c\u9650\u5236CO2<\/sub>ER\u3002 \u5728\u66f4\u5e7f\u6cdb\u7684\u50ac\u5316\u73af\u5883\u4e2d\uff0c\u901a\u8fc7\u8868\u9762\u7f9f\u57fa\u4e0a\u7684\u6c22\u952e\u589e\u5f3aCO 2\u5438\u9644\u4e5f\u53ef\u9002\u7528\u4e8e\u5176\u4ed6\u91d1\u5c5e\u6c27\u5316\u7269\u3002\u4f46\u662f\u7531\u4e8e\u4e2d\u95f4\u7269\u8d28\u5bf9\u91d1\u5c5e\u6c27\u5316\u7269\u7684\u5438\u9644\u5f3a\u5ea6\u4e0d\u540c\uff0c\u968f\u540e\u7684CO2<\/sub>\u8f6c\u5316\u8fc7\u7a0b\u53ef\u80fd\u662f\u5404\u79cd\u5404\u6837\u7684\u3002<\/p>\n

 <\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aThe Crucial Role of Surface Hydroxyls on the Activity and Stability in Electrochemical CO2<\/sub> Reduction<\/a>\uff08J. Am. Chem. Soc.\uff0c2019\uff0cDOI: 10.1021\/jacs.8b13786\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u9ad8\u5206\u5b50\u5b66\u672f\u7ec4\u6c34\u624b\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\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\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/strong><\/a>\u3002\u53c2\u4e0e\u9ad8\u5206\u5b50\u8bdd\u9898\u8ba8\u8bba\u6216\u4e86\u89e3\u9ad8\u5206\u5b50\u7ec4\u62db\u52df\u8be6\u60c5\uff0c\u8bf7\u52a0\u9ad8\u5206\u5b50\u4ea4\u6d41\u7fa4\uff08298064863\uff09\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u8868\u9762\u7f9f\u57fa\u5bf9\u4e8e\u7406\u89e3\u91d1\u5c5e\u6c27\u5316\u7269\u5bf9CO2\u7535\u8fd8\u539f\u53cd\u5e94\uff08CO2ER\uff09\u7684\u50ac\u5316\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u63cf\u8ff0\u4e86\u91c7\u7528SnOx\u4f5c\u4e3a\u6a21\u578b\u4f53\u7cfb\uff0c\u901a\u8fc7\u8c03\u8282\u7f9f\u57fa\u8986\u76d6\u7387\u5f97\u5230\u7a33\u5b9a\u7684Sn\u5206\u652f…<\/p>\n","protected":false},"author":3247,"featured_media":168336,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[18],"class_list":["post-168335","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-xinnengyuan"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/168335"}],"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\/3247"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=168335"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/168335\/revisions"}],"predecessor-version":[{"id":168420,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/168335\/revisions\/168420"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/168336"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=168335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=168335"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=168335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}