{"id":259809,"date":"2024-05-08T08:59:31","date_gmt":"2024-05-08T00:59:31","guid":{"rendered":"\/\/m.iemloyee.com\/?p=259809"},"modified":"2024-05-08T08:59:31","modified_gmt":"2024-05-08T00:59:31","slug":"nature-catalysis%ef%bc%9amof%e8%b4%9f%e8%bd%bd%e7%9a%84pd1-au1%e4%ba%8c%e8%81%9a%e4%bd%93%e9%ab%98%e6%95%88%e5%82%ac%e5%8c%96%e4%b9%99%e7%82%94%e7%9a%84%e5%8d%8a%e5%8a%a0%e6%b0%a2%e5%8f%8d%e5%ba%94","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=259809","title":{"rendered":"Nature Catalysis\uff1aMOF\u8d1f\u8f7d\u7684Pd1-Au1\u4e8c\u805a\u4f53\u9ad8\u6548\u50ac\u5316\u4e59\u7094\u7684\u534a\u52a0\u6c22\u53cd\u5e94"},"content":{"rendered":"<p>\u4e00\u3001 \u3010\u79d1\u5b66\u80cc\u666f\u3011 <strong>\u00a0<\/strong><\/p>\n<p>\u805a\u4e59\u70ef\u5e74\u4ea7\u91cf\u8d85\u8fc71\u4ebf\u5428\uff0c\u662f\u4e16\u754c\u4e0a\u9700\u6c42\u91cf\u6700\u5927\u7684\u5316\u5b66\u54c1\u4e4b\u4e00\u3002\u56e0\u6b64\uff0c\u6bcf\u5e74\u901a\u8fc7\u50ac\u5316\u88c2\u5316\u751f\u4ea7\u7ea61.4\u4ebf\u5428\u4e59\u70ef\uff0c\u540c\u65f6\u4f34\u751f\u51fa\u4e0d\u540c\u6570\u91cf\u7684\u4e59\u7094(&gt;1%)\u548cH<sub>2<\/sub>(&gt;20%) \u3002\u4e59\u70ef\u6d41\u5728\u805a\u5408\u524d\u9700\u8981\u8fdb\u884c\u63d0\u7eaf\uff0c\u56e0\u6b64\u4e59\u70ef\u6d41\u4e2d\u4e59\u7094\u7684\u9009\u62e9\u6027\u534a\u52a0\u6c22\u53cd\u5e94\u662f\u77f3\u6cb9\u5316\u5b66\u4e2d\u4f53\u79ef\u6700\u5927\u7684\u8fc7\u7a0b\u4e4b\u4e00\u3002\u867d\u7136\u8fd9\u79cd\u6c22\u5316\u53cd\u5e94\u5728\u70ed\u529b\u5b66\u4e0a\u662f\u6709\u5229\u7684(\u0394H\u00b0<sub>298<\/sub>=-172 kJ mol<sup>-1<\/sup>)\uff0c\u4f46\u4e3a\u4e86\u6291\u5236\u4e59\u70ef\u52a0\u6c22\u3001\u4e59\u7094\u76f4\u63a5\u52a0\u6c22\u6210\u4e59\u70f7\u548c\u4e8c\u805a\u53cd\u5e94\u7b49\u526f\u53cd\u5e94\uff0c\u9700\u8981\u50ac\u5316\u5242\u4e0d\u4f46\u80fd\u514b\u670d\u52a8\u529b\u5b66\u969c\u788d\u800c\u4e14\u80fd\u63a7\u5236\u8fc7\u7a0b\u7684\u9009\u62e9\u6027\u3002\u76ee\u524d\u5de5\u4e1a\u4e0a\u4f7f\u7528\u7531\u94af\u548c\u94f6\u4ee5\u53ca\u5176\u4ed6\u6dfb\u52a0\u5242(\u94a0\u3001\u9499\u7b49)\u7ec4\u6210\u7684\u56fa\u4f53\u50ac\u5316\u5242\uff0c\u8981\u6c42\u4ea7\u7269\u4e2d\u4e59\u7094\u548c\u4e59\u70f7\u7684\u542b\u91cf&lt; 1ppm\u548c&lt;2%\u3002\u4e3a\u907f\u514d\u5bfc\u81f4\u56fa\u4f53\u50ac\u5316\u5242\u5931\u6d3b\u7684\u8fc7\u5ea6\u6c22\u5316\u53cd\u5e94\u548c\u4e0d\u671f\u671b\u7684\u805a\u5408(\u5f62\u6210\u7eff\u6cb9\uff0c\u7126\u70ad)\uff0c\u8981\u6c42\u53cd\u5e94\u6e29\u5ea6&lt;60\u00b0C\uff0c\u8d28\u91cf\u7a7a\u901f(WHSV) &gt;50,000 ml g<sup>-1<\/sup><sub>cat<\/sub> h<sup>-1<\/sup>\u6b64\u5916\uff0c\u5927\u6279\u91cf\u751f\u4ea7\u8fc7\u7a0b\u4e2d\uff0c\u901a\u5e38\u9700\u898135-100\u00b0C\u7684\u5de5\u4f5c\u6e29\u5ea6\u7a97\u6765\u63a7\u5236\u6f5c\u5728\u7684\u5931\u63a7\u3002\u6240\u6709\u8fd9\u4e9b\u4e25\u683c\u7684\u8981\u6c42\uff0c\u518d\u52a0\u4e0a\u76ee\u524d\u4f7f\u7528\u7684\u56fa\u4f53\u50ac\u5316\u5242\u7684\u590d\u6742\u6027\uff0c\u4fc3\u4f7f\u79d1\u5b66\u754c\u5bfb\u627e\u50ac\u5316\u5242\u548c\u53ef\u9884\u6d4b\u7684\u5206\u5b50\u673a\u5236\u3002\u56e0\u6b64\uff0c\u5728\u8fc7\u53bb\u5341\u5e74\u4e2d\uff0c\u5173\u4e8e\u8be5\u8bfe\u9898\u7684\u7814\u7a76\u6fc0\u589e\uff0c\u5374\u4ecd\u7136\u5f88\u96be\u627e\u5230\u5408\u9002\u7684\u50ac\u5316\u5242\u3002<\/p>\n<p>\u91d1\u5c5e\u6709\u673a\u9aa8\u67b6(MOF)\u662f\u5177\u6709\u6781\u9ad8\u8868\u9762\u79ef\u7684\u591a\u5b54\u6676\u4f53\u6750\u6599\u3002\u5b83\u4eec\u7684\u529f\u80fd\u7a7a\u95f4\u4f7f\u5b83\u8868\u73b0\u51fa\u4e00\u79cd\u975e\u5e38\u6709\u8da3\u7684\u4e3b-\u5ba2\u4f53\u5316\u5b66\uff0c\u5141\u8bb8\u5b83\u4eec\u4f5c\u4e3a\u5316\u5b66\u7eb3\u7c73\u53cd\u5e94\u5668\u6765\u751f\u4ea7\/\u7a33\u5b9a\u524d\u6240\u672a\u6709\u7684\u91d1\u5c5e\u5316\u5b66\u7269\u8d28\u3002\u6839\u636e\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6709\u53ef\u80fd\u5c1d\u8bd5\u5408\u6210\u4e00\u79cd\u5f02\u91d1\u5c5ePd<sub>1<\/sub>-M<sub>1<\/sub>\u4e8c\u805a\u4f53\u6765\u6d4b\u8bd5\u4e59\u7094\u7684\u50ac\u5316\u534a\u6c22\u5316\u53cd\u5e94\u3002<\/p>\n<p><strong>\u4e8c\u3001\u3010<\/strong>\u521b\u65b0\u6210\u679c<strong>\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c\u6765\u81ea\u74e6\u4f26\u897f\u4e9a\u7406\u5de5\u5927\u5b66Antonio Leyva-P\u00e9rez\u3001\u5df4\u4f26\u897f\u4e9a\u5927\u5b66Emilio Pardo\u3001\u5361\u62c9\u5e03\u91cc\u4e9a\u5927\u5b66Donatella Armentano\u7b49\u7814\u7a76\u8005\u5728Nature Catalysis \u671f\u520a\u53d1\u8868\u4e86\u9898\u4e3a\u201cA MOF-supported Pd<sub>1<\/sub>\u2013Au<sub>1<\/sub> dimer catalyses the semihydrogenation reaction of acetylene in ethylene with a nearly barrierless activation energy\u201d \u7684\u8bba\u6587\uff0c\u8be5\u9879\u7814\u7a76\u53d1\u73b0\u4e86\u951a\u5b9a\u5728\u91d1\u5c5e\u6709\u673a\u6846\u67b6(MOF)\u7684\u58c1\u4e0a\uff0c\u7ed3\u6784\u660e\u786e\u7684Pd<sub>1<\/sub>-Au<sub>1<\/sub>\u4e8c\u805a\u4f53\uff0c\uff0c\u5728\u6a21\u62df\u5de5\u4e1a\u524d\u7aef\u53cd\u5e94\u6761\u4ef6\u6781\u5bcc\u4e59\u70ef\u6d41(1%\u4e59\u7094\uff0c89%\u4e59\u70ef\uff0c10% H<sub>2<\/sub>)\u4e2d\uff0c\u50ac\u5316\u4e59\u7094\u9009\u62e9\u6027\u534a\u52a0\u6c22\u6210\u4e59\u70ef\uff0c\u8f6c\u5316\u7387\u226599.99%(\u22641ppm\u4e59\u7094)\uff0c\u9009\u62e9\u6027&gt;90%\u3002\u53cd\u5e94\u7684\u8868\u89c2\u6d3b\u5316\u80fd\u4e3a~1 kcal mol<sup>-1<\/sup>\uff0c\u5373\u4f7f\u572835\u00b0C\u4e0b\u4e5f\u80fd\u8fdb\u884c\uff0c\u64cd\u4f5c\u7a97\u53e3(&gt;100\u00b0C)\u548c\u8d28\u91cf\u7a7a\u901f(66,000 ml g<sup>&#8211; 1<\/sup><sub>cat<\/sub> h<sup>-1<\/sup>)\u7b26\u5408\u5de5\u4e1a\u89c4\u683c\u3002\u5b9e\u9a8c\u548c\u8ba1\u7b97\u76f8\u7ed3\u5408\u7684\u673a\u7406\u7814\u7a76\u8868\u660e\uff0c\u4e24\u4e2a\u539f\u5b50\u4e4b\u95f4\u4ee5\u53ca\u539f\u5b50\u4e0e\u8f7d\u4f53\u4e4b\u95f4\u7684\u534f\u540c\u4f5c\u7528\u80fd\u591f\u5b9e\u73b0\u4e59\u7094\u7684\u65e0\u969c\u788d\u534a\u6c22\u5316\u3002<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-259810\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/1-32.png\" alt=\"\" width=\"997\" height=\"715\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/1-32.png 997w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/1-32-300x215.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/1-32-768x551.png 768w\" sizes=\"(max-width: 997px) 100vw, 997px\" \/>\u56fe1 Pd<sub>1<\/sub>Au<sub>1<\/sub>@1\u7684X\u5c04\u7ebf\u6676\u4f53\u7ed3\u6784\u3002\u00a92024 The Authors<\/strong><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-259811\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/2-30.png\" alt=\"\" width=\"367\" height=\"636\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/2-30.png 367w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/2-30-173x300.png 173w\" sizes=\"(max-width: 367px) 100vw, 367px\" \/><\/strong><\/p>\n<p><strong>\u56fe2 \u534a\u52a0\u6c22\u53cd\u5e94\u7684\u50ac\u5316\u5b9e\u9a8c\u3002\u00a92024 The Authors<\/strong><\/p>\n<p><strong>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-259812\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/3-33.png\" alt=\"\" width=\"765\" height=\"537\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/3-33.png 765w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/3-33-300x211.png 300w\" sizes=\"(max-width: 765px) 100vw, 765px\" \/><\/strong><\/p>\n<p><strong>\u56fe3 Pd<sub>1<\/sub>Au<sub>1<\/sub>@1\u548cPd<sub>1<\/sub>@1\u7684\u5b9e\u9a8c\u673a\u5236\u8bc1\u636e\u3002\u00a92024 The Authors<\/strong><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-259813\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/4-29.png\" alt=\"\" width=\"688\" height=\"577\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/4-29.png 688w, \/\/m.iemloyee.com\/wp-content\/uploads\/2024\/04\/4-29-300x252.png 300w\" sizes=\"(max-width: 688px) 100vw, 688px\" \/>\u56fe4 \u7406\u8bba\u8ba1\u7b97\u3002\u00a92024 The Authors<\/strong><\/p>\n<p><strong>\u4e09\u3001\u3010<\/strong>\u79d1\u5b66\u542f\u8fea<strong>\u3011 <\/strong><\/p>\n<p>\u8be5\u9879\u6210\u679c\u5728\u6a21\u62df\u5de5\u4e1a(\u524d\u7aef)\u6761\u4ef6\u4e0b\uff0c\u4f7f\u7528\u672c\u7814\u7a76\u5c55\u793a\u7684MOF\u8d1f\u8f7d\u7684Pd<sub>1<\/sub>-Au<sub>1<\/sub>\u4e8c\u805a\u4f53\u50ac\u5316\u5242\uff0c\u5b9e\u73b0\u4e59\u7094\u5728\u4e59\u70ef\u6d41\u4e2d\u534a\u52a0\u6c22\u53cd\u5e94\u7684\u4ea7\u7387\u226599.99%(\u4e59\u7094\u6b8b\u7559\u22641ppm)\uff0c\u9009\u62e9\u6027\u9ad8\u8fbe94%\u3002\u4e0e\u4e4b\u524d\u7684\u50ac\u5316\u5242\u76f8\u6bd4\uff0c\u8be5\u50ac\u5316\u5242\u572835\u00b0C\u81f3150\u00b0C\u7684\u6e29\u5ea6\u8303\u56f4\u5185\u5747\u8868\u73b0\u51fa\u65e0\u963b\u788d\u6d3b\u5316\u80fd\uff08~ 1 kcal mol<sup>&#8211; 1<\/sup>\uff09\uff0c\u4e59\u70f7\u662f\u552f\u4e00\u7684\u526f\u4ea7\u7269\u3002\u7814\u7a76\u8868\u660e\uff0c\u94af\u539f\u5b50\u662f\u4e3b\u8981\u7684\u50ac\u5316\u4f4d\u70b9\uff0c\u800c\u91d1\u539f\u5b50\u548cMOF\u7684\u786b\u919a\u57fa\u56e2\u5728H<sub>2<\/sub>\u89e3\u79bb\u8fc7\u7a0b\u4e2d\u8d77\u8f85\u52a9\u4f5c\u7528\u3002\u8be5\u7814\u7a76\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u578b\u7684\u5de5\u4e1a\u53cd\u5e94\u673a\u7406\u7684\u89c1\u89e3\uff0c\u5e76\u5728\u539f\u5b50\u6c34\u5e73\u4e0a\u52a0\u5165\u4e86\u5355\u5206\u79bb\u50ac\u5316\u4f4d\u70b9\u548c\u5f02\u8d28\u91d1\u5c5e\u50ac\u5316\u5242\u5408\u91d1\u5316\u7684\u6982\u5ff5\uff0c\u6709\u52a9\u4e8e\u63a8\u52a8\u77f3\u5316\u5de5\u4e1a\u4e2d\u5173\u952e\u53cd\u5e94\u7684\u80fd\u6548\u63d0\u5347\u3002<\/p>\n<p><strong>\u539f\u6587\u8be6\u60c5<\/strong>\uff1ahttps:\/\/www.nature.com\/articles\/s41929-024-01130-7<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001 \u3010\u79d1\u5b66\u80cc\u666f\u3011 \u00a0 \u805a\u4e59\u70ef\u5e74\u4ea7\u91cf\u8d85\u8fc71\u4ebf\u5428\uff0c\u662f\u4e16\u754c\u4e0a\u9700\u6c42\u91cf\u6700\u5927\u7684\u5316\u5b66\u54c1\u4e4b\u4e00\u3002\u56e0\u6b64\uff0c\u6bcf\u5e74\u901a\u8fc7\u50ac\u5316\u88c2\u5316\u751f\u4ea7\u7ea61.4\u4ebf\u5428\u4e59\u70ef\uff0c\u540c\u65f6\u4f34\u751f\u51fa\u4e0d\u540c\u6570\u91cf\u7684\u4e59\u7094(&gt;1&#8230;<\/p>\n","protected":false},"author":39557,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-259809","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/259809"}],"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\/39557"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=259809"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/259809\/revisions"}],"predecessor-version":[{"id":260038,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/259809\/revisions\/260038"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=259809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=259809"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=259809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}