{"id":198625,"date":"2020-03-23T06:18:11","date_gmt":"2020-03-22T22:18:11","guid":{"rendered":"\/\/m.iemloyee.com\/?p=198625"},"modified":"2020-03-22T21:18:23","modified_gmt":"2020-03-22T13:18:23","slug":"%e5%a4%a9%e6%b4%a5%e5%a4%a7%e5%ad%a6%e5%b0%81%e4%bc%9f%e5%9b%a2%e9%98%9f%ef%bc%9a%e6%96%b0%e5%9e%8b%e5%8d%8a%e5%af%bc%e4%bd%93%e4%ba%8c%e7%bb%b4%e5%8e%9f%e5%ad%90%e6%99%b6%e4%bd%93%e9%94%97%e7%a1%85","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=198625","title":{"rendered":"\u5929\u6d25\u5927\u5b66\u5c01\u4f1f\u56e2\u961f\uff1a\u65b0\u578b\u534a\u5bfc\u4f53\u4e8c\u7ef4\u539f\u5b50\u6676\u4f53\u9517\u7845\u70f7\u6750\u6599\u7684\u5e26\u9699\u8c03\u63a7"},"content":{"rendered":"
<\/p>\n
\u3010\u7814\u7a76\u80cc\u666f\u3011<\/strong><\/p>\n 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1.0 eV\uff09\uff1bg-C3<\/sub>N4<\/sub>\u7684\u7981\u5e26\u5bbd\u5ea6\u53ef\u8fbe2.7 eV\uff0c\u901a\u8fc7\u63ba\u6742\u53ef\u90e8\u5206\u964d\u4f4e\u5176\u5e26\u9699\u7ed3\u6784\uff08~1.9 eV\uff09\uff1b\u4ee5MoS2<\/sub>\u548cWS2<\/sub>\u4e3a\u4ee3\u8868\u7684\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u53ea\u6709\u5355\u5c42\u7ed3\u6784\u662f\u76f4\u63a5\u5e26\u9699\u534a\u5bfc\u4f53\uff0c\u800c\u53cc\u5c42\u548c\u591a\u5c42\u662f\u95f4\u63a5\u534a\u5bfc\u4f53\uff0c\u901a\u8fc7\u5143\u7d20\u63ba\u6742\u53ef\u6539\u53d8\u5176\u5e26\u9699\uff0c\u4f46\u8c03\u63a7\u8303\u56f4\u53d7\u5176\u81ea\u8eab\u7ed3\u6784\u9650\u5236\uff08< 2.1 eV\uff09\u3002\u7531\u6b64\u53ef\u89c1\uff0c\u901a\u8fc7\u63a7\u5236\u5e76\u4f18\u5316\u4e8c\u7ef4\u534a\u5bfc\u4f53\u539f\u5b50\u6676\u4f53\u7684\u7ed3\u6784\uff0c\u5b9e\u73b0\u5176\u5e26\u9699\u8c03\u63a7\uff0c\u662f\u672a\u6765\u7eb3\u7c73\u534a\u5bfc\u4f53\u6750\u6599\u91cd\u8981\u7684\u7814\u7a76\u65b9\u5411\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66\u5c01\u4f1f\u6559\u6388\u56e2\u961f\u901a\u8fc7\u7406\u8bba\u8ba1\u7b97\u4e0e\u7ed3\u6784\u8bbe\u8ba1\uff0c\u5408\u6210\u4e86-H\/-OH\u5c01\u7aef\u7684\u4e8c\u5143\u9517\u7845\u70ef\uff08siligene\uff09\uff0c\u5e76\u547d\u540d\u4e3a\u9517\u7845\u70f7\uff08gersiloxene\uff09\u3002\u901a\u8fc7\u63a7\u5236\u9517\u7845\u5143\u7d20\u542b\u91cf\uff0c\u83b7\u5f97\u4e86\u5177\u6709\u4e0d\u540c\u5316\u5b66\u548c\u6676\u4f53\u7ed3\u6784\u7684\u9517\u7845\u70f7\uff0c\u9996\u6b21\u5b9e\u73b0\u4e86\u9517\u548c\u7845\u57fa\u4e8c\u5143\u4e8c\u7ef4\u6750\u6599\u7684\u5e26\u9699\u8c03\u63a7\uff0c\u517c\u5177\u9002\u5b9c\u5e26\u9699\u7ed3\u6784\u3001\u9ad8\u6bd4\u8868\u9762\u79ef\u548c\u8868\u9762\u5316\u5b66\u6d3b\u6027\u7684\u4e8c\u7ef4\u9517\u7845\u70f7\u53ef\u4f5c\u4e3a\u5149\u50ac\u5316\u5242\uff0c\u5b9e\u73b0\u4e86\u5e38\u6e29\u4e0b\u5149\u50ac\u5316\u9ad8\u6548\u4ea7\u6c22\uff0c\u540c\u65f6\u663e\u8457\u63d0\u9ad8\u4e86\u5149\u50ac\u5316CO2<\/sub>\u8fd8\u539f\u80fd\u529b\u3002<\/p>\n \u7f3a\u5c11\u5c42\u72b6\u4f53\u76f8\u6750\u6599\u662f\u5236\u5907\u4e8c\u7ef4\u9517\u57fa\u548c\u7845\u57fa\u534a\u5bfc\u4f53\u6750\u6599\u7684\u91cd\u8981\u96be\u70b9\u3002\u9488\u5bf9\u8be5\u96be\u70b9\uff0c\u56e2\u961f\u901a\u8fc7\u76f4\u63a5\u6c22\u5316Zintl\u76f8CaGe2<\/sub>\u548cCaSi2<\/sub>\u7ed3\u5408\u62d3\u6251\u5316\u5b66\u53cd\u5e94\uff0c\u5206\u522b\u5236\u5907\u4e86\u5177\u6709\u4e8c\u7ef4\u5c42\u72b6\u7ed3\u6784\u7684\u9517\u70f7\uff08GeH\uff09\u548c\u7845\u70f7\uff08SiH\uff09\u3002\u5728\u6b64\u57fa\u7840\u4e0a\u901a\u8fc7\u63a7\u5236\u9499\uff08Ca\uff09\u3001\u9517\uff08Ge\uff09\u548c\u7845\uff08Si\uff09\u5355\u8d28\u7684\u5316\u5b66\u8ba1\u91cf\u6bd4\uff0c\u901a\u8fc7\u9ad8\u6e29\u70e7\u7ed3\u5236\u5907\u4e86\u524d\u9a71\u4f53Ca(Ge1-x<\/sub>Six<\/sub>)2<\/sub>\u5408\u91d1\uff0c\u518d\u5c06\u9a71\u4f53Ca(Ge1-x<\/sub>Six<\/sub>)2<\/sub>\u5408\u91d1\u8fdb\u884c\u4f4e\u6e29\uff08-30\u2103\uff09\u6d53\u76d0\u9178\u63d2\u5c42\u53cd\u5e94\uff0c\u6700\u7ec8\u83b7\u5f97\u4e00\u7cfb\u5217\u4e0d\u540c\u5316\u5b66\u7ed3\u6784\u7684\u4e8c\u7ef4\u9517\u7845\u70f7\u3002\u7ed3\u6784\u8868\u5f81\u663e\u793a\u4e8c\u7ef4\u9517\u7845\u70f7\u662f\u7531\u6c22\u5c01\u7aef\u7684Ge\u539f\u5b50\u4e0e\u6c22\uff08-H\uff09\u6216\u7f9f\u57fa\uff08-OH\uff09\u5c01\u7aef\u7684Si\u539f\u5b50\u4ee5\u4e8c\u5143\u5408\u91d1\u7684\u5f62\u5f0f\u6784\u6210\u7684\u8702\u7a9d\u7f51\u72b6\u7ed3\u6784\u4e8c\u7ef4\u6750\u6599\u3002\u540c\u65f6\u4e8c\u7ef4\u9517\u7845\u70f7\u7684\u5316\u5b66\u7ed3\u6784\u4e0eGe\u548cSi\u6bd4\u4f8b\u5bc6\u5207\u76f8\u5173\uff0c\u5f53x<\/em> < 0.5\u65f6\uff0c\u6750\u6599\u4e2d\u5206\u522b\u5f62\u6210Ge-H\u548cSi-OH\u5316\u5b66\u952e\uff0c\u9517\u7845\u70f7\u8868\u73b0\u4e3a(GeH)1-x<\/em><\/sub>(SiOH)x<\/sub><\/em>\uff1b\u5f53x<\/em> \u2265 0.5\u65f6\uff0c\u6750\u6599\u4e2d\u53c8\u51fa\u73b0\u4e86Si-H\u5316\u5b66\u952e\uff0c\u56e0\u6b64\u9517\u7845\u70f7\u7684\u7ed3\u6784\u4e3a(GeH)1-x<\/em><\/sub>Six<\/sub><\/em>(OH)0.5<\/sub>Hx<\/sub><\/em>-0.5<\/sub>\u3002<\/p>\n \u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u6784\u5efa\u4e86\u9517\u7845\u70f7\u7684\u7406\u8bba\u6a21\u578b\uff0c\u57fa\u4e8e\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u7684\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\uff0c\u4e8c\u7ef4\u9517\u7845\u70f7\u548c\u4f53\u76f8\u6750\u6599\u5747\u4e3a\u76f4\u63a5\u5e26\u9699\u534a\u5bfc\u4f53\uff0c\u4e0e\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u4e0d\u540c\uff0c\u5176\u5e26\u9699\u7c7b\u578b\u65e2\u4e0d\u4f9d\u8d56\u9517\u7845\u70f7\u7684\u7247\u5c42\u6570\uff0c\u4e5f\u4e0e\u9517\u7845\u70f7\u4e2dGe\u548cSi\u5143\u7d20\u7684\u6bd4\u4f8b\u65e0\u5173\uff0c\u5176\u5e26\u9699\u7ed3\u6784\u968fx<\/em>\u7684\u5347\u9ad8\u800c\u589e\u52a0\u3002\u5149\u5b66\u5e26\u9699\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\u5f53x<\/em>\u4ece 0.1\u63d0\u9ad8\u52300.9\u65f6\uff0c\u4e8c\u7ef4\u9517\u7845\u70f7\u7684\u5e26\u9699\u4ece1.8 eV\u63d0\u5347\u52302.57 eV\uff0c\u8be5\u7ed3\u679c\u4e0e\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c\u76f8\u543b\u5408\u3002<\/p>\n \u4e8c\u7ef4\u9517\u7845\u70f7\u517c\u5177\u53ef\u8c03\u63a7\u80fd\u5e26\u7ed3\u6784\u3001\u5bbd\u5149\u8c31\uff08\u4ece\u7d2b\u5916\u533a\u5230\u53ef\u89c1\u5149\u533a\uff09\u54cd\u5e94\uff0c\u540c\u65f6\u5176\u80fd\u5e26\u7ed3\u6784\u9002\u5e94\u4e8e\u4e0d\u540c\u590d\u6742\u6761\u4ef6\u4e0b\u7684\u5149\u50ac\u5316\u4ea7\u6c22\u548cCO2<\/sub>\u8fd8\u539f\uff0c\u7814\u7a76\u663e\u793a\uff0c\u5f53x<\/em> = 0.5\u65f6\uff0c\u4e8c\u7ef4\u9517\u7845\u70f7\uff08HGeSiOH\uff09\u8868\u73b0\u51fa\u6700\u4f18\u5f02\u7684\u5149\u50ac\u5316\u6027\u80fd\uff0c\u5728\u5149\u50ac\u5316\u6c34\u8fd8\u539f\u4e2d\u53ef\u4ee5\u4ee51.58 mmol g-1<\/sup> h-1<\/sup>\u7684\u901f\u7387\u751f\u6210H2<\/sub>\uff0c\u8fd8\u53ef\u4ee5\u50ac\u5316\u8fd8\u539fCO2<\/sub>\uff0c\u4ee56.91 mmol g-1<\/sup> h-1<\/sup>\u7684\u901f\u7387\u751f\u6210CO\uff0c\u8be5\u6027\u80fd\u9ad8\u4e8e\u76ee\u524d\u62a5\u9053\u7684\u5149\u50ac\u5316\u5242\uff0c\u8fd9\u4e9b\u7814\u7a76\u7ed3\u679c\u8868\u660e\u5177\u6709\u5e26\u9699\u53ef\u8c03\u6027\u80fd\u7684\u4e8c\u7ef4\u9517\u7845\u70f7\u5728\u5149\u50ac\u5316\u4ea7\u6c22\u548cCO2<\/sub>\u8fd8\u539f\u4e0a\u5177\u6709\u5de8\u5927\u7684\u5e94\u7528\u6f5c\u529b\u3002<\/p>\n \u4e8c\u7ef4\u9517\u7845\u70f7\u662f\u672a\u6765\u5236\u5907\u7eb3\u7c73\u80fd\u91cf\u8f6c\u6362\u5668\u4ef6\u548c\u7eb3\u7c73\u5149\u7535\u5668\u4ef6\u7684\u7406\u60f3\u6750\u6599\u4e4b\u4e00\u3002\u8be5\u7814\u7a76\u9996\u6b21\u5b9e\u73b0\u4e86\u63ba\u6742\u7cbe\u786e\u8c03\u63a7\u9517\u7845\u7c7bIVA\u65cf\u4e8c\u7ef4\u539f\u5b50\u6676\u4f53\u534a\u5bfc\u4f53\u7684\u80fd\u5e26\u7ed3\u6784\uff0c\u5c06\u4e3a\u672a\u6765\u65b0\u578b\u534a\u5bfc\u4f53\u4e8c\u7ef4\u539f\u5b50\u6676\u4f53\u6750\u6599\u7684\u5408\u6210\u3001\u8bbe\u8ba1\u3001\u7535\u5b50\u7ed3\u6784\u8c03\u63a7\u4ee5\u53ca\u5149\u7535\u6027\u80fd\u63d0\u5347\u63d0\u4f9b\u91cd\u8981\u7684\u6750\u6599\u57fa\u7840\u548c\u6280\u672f\u652f\u6491\u3002<\/p>\n \u8be5\u5de5\u4f5c\u8fd1\u671f\u4ee5\u201cTwo-dimensional gersiloxenes with tunable bandgap for photocatalytic H2<\/sub> evolution and CO2<\/sub> photoreduction to CO\u201d\u4e3a\u9898\u53d1\u8868\u5728\u671f\u520aNature Communications<\/strong>\uff08DOI: 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