{"id":178261,"date":"2019-06-22T06:30:17","date_gmt":"2019-06-21T22:30:17","guid":{"rendered":"\/\/m.iemloyee.com\/?p=178261"},"modified":"2019-06-21T22:11:07","modified_gmt":"2019-06-21T14:11:07","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91adv-mater-%e4%ba%8c%e7%bb%b4%e5%b1%82%e7%8a%b6w2n3%e7%9a%84%e6%b0%ae%e7%a9%ba%e4%bd%8d%ef%bc%9a%e4%b8%80%e4%b8%aa%e7%a8%b3%e5%ae%9a%e6%9c%89%e6%95%88","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=178261","title":{"rendered":"Adv. Mater.: \u4e8c\u7ef4\u5c42\u72b6W2N3\u7684\u6c2e\u7a7a\u4f4d\uff1a\u4e00\u4e2a\u7a33\u5b9a\u6709\u6548\u7684\u6c2e\u8fd8\u539f\u53cd\u5e94\u6d3b\u6027\u4f4d\u70b9"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n \u6c28\u662f\u73b0\u4ee3\u5de5\u4e1a\u548c\u519c\u4e1a\u751f\u4ea7\u6700\u4e3a\u57fa\u7840\u7684\u5316\u5de5\u539f\u6599\u4e4b\u4e00\uff0c\u800c\u4e14\u7531\u4e8e\u5176\u5177\u6709\u7eff\u8272\u3001\u73af\u4fdd\u3001\u6613\u50a8\u5b58\u8fd0\u8f93\u7b49\u4f18\u70b9\uff0c\u4e5f\u88ab\u89c6\u4e3a\u826f\u597d\u7684\u6c22\u8f7d\u4f53\u3002\u7136\u800c\uff0c\u7531\u4e8eN2<\/sub>\u4e2d\u7684\u5f3aN\u2261N\u952e\uff08\u952e\u80fd\u4e3a940.95kJ mol-1<\/sup>\uff09\uff0c\u5f88\u96be\u5728\u6e29\u548c\u6761\u4ef6\u4e0b\u5c06N2<\/sub>\u8fd8\u539f\u4e3aNH3<\/sub>\u3002\u5728\u5de5\u4e1a\u751f\u4ea7\u4e2d\uff0cNH3<\/sub>\u751f\u4ea7\u7684\u4e3b\u8981\u65b9\u6cd5\u662f\u901a\u8fc7Haber-Bosch\u5de5\u827a\u5728\u9ad8\u6e29\u9ad8\u538b\u4e0b\u5236\u6210\uff0c\u8fd9\u4e00\u8fc7\u7a0b\u4f34\u968f\u7740\u5de8\u5927\u7684\u80fd\u91cf\u6d88\u8017\u548c\u6e29\u5ba4\u6c14\u4f53\uff08CO2<\/sub>\uff09\u7684\u6392\u653e\u3002\u56e0\u6b64\uff0c\u5728\u5e38\u6e29\u5e38\u538b\u4e0b\u901a\u8fc7\u7535\u50ac\u5316\u6c2e\u8fd8\u539f\u53cd\u5e94\uff08eNRR\uff09\uff0c\u6765\u5b9e\u73b0\u4f4e\u6210\u672c\u7eff\u8272\u73af\u4fdd\u7684\u4eba\u5de5\u56fa\u6c2e\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u6b64\u5916\uff0ceNRR\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u4e0e\u53ef\u518d\u751f\u7684\u592a\u9633\u80fd\u548c\u98ce\u80fd\u7ed3\u5408\uff0c\u5f62\u6210\u4e00\u4e2a\u73af\u4fdd\u53ef\u6301\u7eed\u7684NH3<\/sub>\u751f\u4ea7\u7cfb\u7edf\u3002\u5c3d\u7ba1\u591a\u79cd\u6750\u6599\u5728\u542b\u6c34\u4f53\u7cfb\u4e2d\u663e\u793a\u51faeNRR\u6d3b\u6027\uff0c\u4f46\u5176\u6027\u80fd\u53d7\u9650\u4e8e\u53cd\u5e94\u52a8\u529b\u5b66\u7f13\u6162\u548c\u6790\u6c22\uff08HER\uff09\u526f\u53cd\u5e94\u3002\u8fc7\u6e21\u91d1\u5c5e\u6c2e\u5316\u7269\uff08TMN\uff09\u4e0a\u7684\u6c2e\u7a7a\u4f4d\u88ab\u8ba4\u4e3a\u662feNRR\u7684\u7406\u60f3\u6d3b\u6027\u4f4d\u70b9\uff0c\u56e0\u4e3a\u5176\u5177\u6709\u72ec\u7279\u7684N2<\/sub>\u5438\u9644\u7279\u6027\u548c\u8f83\u5dee\u7684HER\u6d3b\u6027\u3002\u7136\u800c\uff0cTMN\u4e0a\u7684\u6c2e\u7a7a\u4f4d\u5728eNRR\u8fc7\u7a0b\u4e2d\u5bb9\u6613\u5931\u6d3b\uff0c\u5bfc\u81f4\u5176\u7a33\u5b9a\u6027\u8f83\u5dee\u3002\u6b64\u5916\uff0c\u4e00\u4e9b\u62a5\u9053\u53d1\u73b0\u67d0\u4e9bTMN\u5728\u542b\u6c34\u4f53\u7cfb\u4e2d\u5bf9eNRR\u65e0\u6d3b\u6027\uff0c\u8fd9\u4e0e\u7406\u8bba\u8ba1\u7b97\u76f8\u53cd\u3002\u56e0\u6b64\uff0c\u6709\u5fc5\u8981\u8bbe\u8ba1\u5177\u6709\u5355\u4e00\u7ed3\u6784\u548c\u7a33\u5b9a\u8868\u9762\u7a7a\u4f4d\u7684TMN\uff0c\u5c06\u7406\u8bba\u6a21\u578b\u548c\u5b9e\u9645\u7684\u50ac\u5316\u5242\u7ed3\u5408\u8d77\u6765\uff0c\u4ece\u800c\u6df1\u5165\u4e86\u89e3eNRR\u7684\u673a\u7406\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6fb3\u5927\u5229\u4e9a\u963f\u5fb7\u83b1\u5fb7\u5927\u5b66\u4e54\u4e16\u748b\u6559\u6388\u62a5\u9053\u4e86<\/b><\/strong>\u4e00\u79cd\u5177\u6709\u7a33\u5b9a\u8868\u9762\u6c2e\u7a7a\u4f4d\u7684\u65b0\u578b\u8d85\u8584\u4e8c\u7ef4\u5c42\u72b6W2<\/sub>N3<\/sub>\u7528\u4e8eeNRR\u3002\u901a\u8fc7\u7535\u5316\u5b66\u5b9e\u9a8c\u548c\u7406\u8bba\u8ba1\u7b97\u76f8\u7ed3\u5408\u8bc1\u5b9e\u4e86W2<\/sub>N3<\/sub>\u7eb3\u7c73\u7247\u7684eNRR\u6d3b\u6027\u548c\u6c2e\u7a7a\u4f4d\u7a33\u5b9a\u6027\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u6240\u5236\u5907\u7684\u50ac\u5316\u5242\u73af\u5883\u6761\u4ef6\u4e0b\u7684NH3<\/sub>\u5e73\u5747\u4ea7\u7387\u4e3a11.66 \u00b1 0.98 \u03bcg h\u22121<\/sup>\u00a0mgcata<\/sub>\u22121<\/sup>\uff083.80 \u00b1 0.32 \u00d7 10\u221211<\/sup>\u00a0mol cm\u22122<\/sup>\u00a0s\u22121<\/sup>\uff09\uff0c\u5728-0.2V\uff08\u76f8\u5bf9\u4e8e\u53ef\u9006\u6c22\u7535\u6781\uff09\u65f6\u7684\u6cd5\u62c9\u7b2c\u6548\u7387\u53ef\u4ee5\u8fbe\u523011.67\u00b1\u00a00.93%\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u8868\u660e\uff0c\u7531W2<\/sub>N3<\/sub>\u4e0a\u7684\u6c2e\u7a7a\u4f4d\u5f15\u8d77\u7684\u7535\u5b50\u7f3a\u9677\u53ef\u4ee5\u6709\u6548\u5730\u4fc3\u8fdb\u6d3b\u6027\u4f4d\u70b9\u4e0eN2<\/sub>\u7684\u5b64\u5bf9\u7535\u5b50\u7684\u7ed3\u5408\u5e76\u63a8\u52a8\u968f\u540e\u7684\u8fd8\u539f\u6b65\u9aa4\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0c2D W2<\/sub>N3<\/sub>\u4e0a\u7684\u6c2e\u7a7a\u4f4d\u7531\u4e8e\u94a8\u539f\u5b50\u7684\u9ad8\u4ef7\u6001\u548c2D\u9650\u5236\u6548\u5e94\u800c\u5177\u6709\u5f88\u597d\u7684\u7a33\u5b9a\u6027\uff0c\u8fd9\u5df2\u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u5916\u539f\u4f4d\u5149\u8c31\u8868\u5f81\u548c\u5bf9\u6bd4\u8bd5\u9a8c\u5f97\u5230\u8bc1\u5b9e\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cNitrogen Vacancies on 2D Layered W<\/b><\/strong>2<\/b><\/sub><\/strong>N<\/b><\/strong>3<\/b><\/sub><\/strong>: A Stable and Efficient Active Site for Nitrogen Reduction Reaction<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Advanced Materials<\/b><\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe\u4e00<\/b><\/strong>NV-W<\/b><\/strong>2<\/b><\/sub><\/strong>N<\/b><\/strong>3<\/b><\/sub><\/strong>\u7684\u7269\u76f8\u548c\u7ed3\u6784\u8868\u5f81<\/b><\/strong><\/p>\n \uff08a\uff09NV-W2<\/sub>N3<\/sub>\u7684\u4f4e\u500dTEM\u56fe\u50cf\u3002<\/p>\n \uff08b\uff09W2<\/sub>N3<\/sub>\u548cNV-W2<\/sub>N3<\/sub>\u7684XRD\u8c31\u56fe\u3002<\/p>\n \uff08c\uff09NV-W2<\/sub>N3<\/sub>\u7684HAADF-STEM\u56fe\u50cf\uff0c\u5176\u5c55\u793a\u4e86NV-W2<\/sub>N3<\/sub>\u7684\u5355\u5c42\u539a\u5ea6\u548c\u5c42\u95f4\u8ddd\u3002<\/p>\n \uff08d\uff09NV-W2<\/sub>N3<\/sub>\u7684HAADF-STEM\u548c\u7535\u5b50\u884d\u5c04\u56fe\u50cf\u3002<\/p>\n \u56fe\u4e8c<\/b><\/strong>NV-W<\/b><\/strong>2<\/b><\/sub><\/strong>N<\/b><\/strong>3<\/b><\/sub><\/strong>\u53ca\u5176\u6c2e\u7a7a\u4f4d\u7684\u5149\u8c31\u5b66\u8868\u5f81<\/b><\/strong><\/p>\n \uff08a\uff09\uff0c\uff08b\uff09\u548c\uff08c\uff09NV-W2<\/sub>N3<\/sub>\u548cW2<\/sub>N3<\/sub>\u7684XPS\u8868\u5f81\u3002<\/p>\n \uff08d\uff09NV-W2<\/sub>N3<\/sub>\u548cW2<\/sub>N3<\/sub>\u7684\u540c\u6b65\u8f90\u5c04FT-EXFAS\u7684\u8c31\u56fe\uff0c\u8bc1\u660e\u4e86\u6c2e\u7a7a\u4f4d\u7684\u5b58\u5728\u3002<\/p>\n \u56fe\u4e09<\/b><\/strong>e<\/b><\/strong>NRR\u6027\u80fd\u8868\u5f81<\/b><\/strong><\/p>\n \uff08a\uff09\u548c\uff08b\uff09\u5728\u4e0d\u540c\u8fc7\u7535\u52bf\u4e0bNV-W2<\/sub>N3<\/sub>\u7684NH3<\/sub>\u4ea7\u7387\u548c\u6cd5\u62c9\u7b2c\u6548\u7387\u3002<\/p>\n \uff08c\uff09NV-W2<\/sub>N3<\/sub>\u548cW2<\/sub>N3<\/sub>\u5728-0.2V\u7684NH3<\/sub>\u4ea7\u7387\u5bf9\u6bd4\u3002<\/p>\n \uff08d\uff09\u5728\u4e0d\u540c\u6761\u4ef6\u4e0b\u7528\u975b\u915a\u6307\u793a\u5242\u5bf9NV-W2<\/sub>N3<\/sub>\u67d3\u8272\u7684\u7535\u89e3\u6db2\u7684\u7d2b\u5916-\u53ef\u89c1\u5149\u8c31\u3002<\/p>\n \uff08e\uff09\u5206\u522b\u4f7f\u752814<\/sup>N2<\/sub>\u621615<\/sup>N2<\/sub>\u4f5c\u4e3a\u6c2e\u6e90\uff0c\u4eceeNRR\u53cd\u5e94\u83b7\u5f97\u768414<\/sup>NH4<\/sub>+<\/sup>\u548c15<\/sup>NH4<\/sub>+<\/sup>\u7684\u540c\u4f4d\u7d20\u6807\u8bb0\u7ed3\u679c\u3002<\/p>\n \uff08f\uff09NV-W2<\/sub>N3<\/sub>\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u6d4b\u8bd5\uff0c\u6301\u7eed12\u4e2a\u5faa\u73af\u3002<\/p>\n \u56fe\u56db\u6c2e\u7a7a\u4f4d\u7684\u7a33\u5b9a\u6027\u8868\u5f81<\/b><\/strong><\/p>\n \uff08a\uff09\u5728eNRR\u6d4b\u8bd5\u540eNV-W2<\/sub>N3<\/sub>\u7684HAADF-STEM\u56fe\u50cf\u548cEDS\u5143\u7d20\u6210\u50cf\u3002<\/p>\n \uff08b\uff09NV-W2<\/sub>N3<\/sub>\u5728eNRR\u6d4b\u8bd5\u524d\u540e\uff08\u6d4b\u8bd5\u65f6\u957f\u4e3a10\u5c0f\u65f6\uff09\u7684NV-W2<\/sub>N3<\/sub>\u7684\u57fa\u4e8e\u540c\u6b65\u8f90\u5c04\u7684N K\u8fb9\u7684XANES\u5149\u8c31\u3002<\/p>\n \uff08c\uff09NV-W2<\/sub>N3<\/sub>\u5728eNRR\u6d4b\u8bd5\u524d\u540e\uff08\u6d4b\u8bd5\u65f6\u957f\u4e3a10\u5c0f\u65f6\uff09\u7684\u57fa\u4e8eW L3<\/sub>\u8fb9\u7684XANES\u5149\u8c31\u548cd\uff09\u76f8\u5e94\u7684FT-EXFAS\u7ed3\u679c\u3002<\/p>\n \u56fe\u4e94<\/b><\/strong>DFT\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c<\/b><\/strong><\/p>\n \uff08a\uff09NV-W2<\/sub>N3<\/sub>\u00a0<\/sub>\u5728eNRR\u4e2d\u7684\u53cd\u5e94\u8def\u5f84\u3002<\/p>\n \uff08b\uff09W2<\/sub>N3<\/sub>\u548cNV-W2<\/sub>N3<\/sub>\u4e0aNH3<\/sub>\u4ea7\u751f\u7684\u7406\u8bba\u6781\u9650\u7535\u4f4d\u7684\u5927\u5c0f\u3002<\/p>\n \uff08c\uff09\u7531NV-W2<\/sub>N3<\/sub>\u4e0a\u7684\u6c2e\u7a7a\u4f4d\u5f15\u8d77\u7684\u7535\u8377\u5bc6\u5ea6\u5dee\u5f02\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n \u603b\u4e4b\uff0c\u672c\u6587\u5df2\u7ecf\u63d0\u51fa\u5728\u4e8c\u7ef4\u5c42\u72b6W2<\/sub>N3<\/sub>\u7eb3\u7c73\u7247\u4e0a\u7684\u6c2e\u7a7a\u4f4d\u5bf9\u4e8e\u5728\u73af\u5883\u6761\u4ef6\u4e0b\u7535\u50ac\u5316\u8fd8\u539fN2<\/sub>\u662f\u7a33\u5b9a\u4e14\u6709\u6548\u7684\u3002\u901a\u8fc7\u7535\u5316\u5b66\u6d4b\u91cf\u548c\u5404\u79cd\u5916\u539f\u4f4d\u8868\u5f81\u8bc1\u660e\u4e86\u6c2e\u7a7a\u4f4d\u7684\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cNV-W2<\/sub>N3<\/sub>\u8868\u73b0\u51fa\u4f18\u5f02\u7684eNRR\u6027\u80fd\uff0cNH3<\/sub>\u5e73\u5747\u4ea7\u7387\u4e3a11.66 \u00b1 0.98 \u03bcg h\u22121<\/sup>\u00a0mgcata<\/sub>\u22121<\/sup>(3.80 \u00b1 0.32 \u00d7 10\u221211<\/sup>\u00a0mol cm\u22122<\/sup>\u00a0s\u22121<\/sup>)\uff0c\u6cd5\u62c9\u7b2c\u6548\u7387\u4e3a11.67\u00b1\u00a00.93%\u3002\u7406\u8bba\u8ba1\u7b97\u8868\u660e\uff0c\u7531\u6c2e\u7a7a\u4f4d\u5f15\u8d77\u7684\u7535\u5b50\u7f3a\u9677\u53ef\u964d\u4f4e\u70ed\u529b\u5b66\u53cd\u5e94\u80fd\u91cf\uff0c\u4ece\u800c\u4fc3\u8fdb\u6574\u4f53\u7684eNRR\u6027\u80fd\u3002\u8fd9\u9879\u5de5\u4f5c\u7a81\u51fa\u4e86\u7a7a\u4f4d\u5de5\u7a0b\u5bf9\u4e8c\u7ef4\u6750\u6599\u5e94\u7528\u4e8eeNRR\u7684\u6f5c\u529b\uff0c\u5e76\u4e3a\u5236\u5907\u7528\u4e8e\u50a8\u80fd\u548c\u8f6c\u6362\u7cfb\u7edf\u7684\u65b0\u6750\u6599\u63d0\u4f9b\u4e86\u65b0\u7684\u89c1\u89e3\u3002<\/p>\n \u3010<\/b><\/strong>\u4f5c\u8005\u7b80\u4ecb<\/b><\/strong>\u3011<\/b><\/strong><\/p>\n \u4e54\u4e16\u748b\u6559\u6388\uff0c\u73b0\u4efb\u6fb3\u5927\u5229\u4e9a\u963f\u5fb7\u83b1\u5fb7\u5927\u5b66\u5316\u5de5\u7cfb\u7eb3\u7c73\u6280\u672f\u9996\u5e2d\u6559\u6388\uff0c\u4e3b\u8981\u4ece\u4e8b\u65b0\u80fd\u6e90\u6280\u672f\u7eb3\u7c73\u6750\u6599\u9886\u57df\u7684\u7814\u7a76\uff0c\u5305\u62ec\u7535\u50ac\u5316\u3001\u5149\u50ac\u5316\u3001\u71c3\u6599\u7535\u6c60\u3001\u8d85\u7ea7\u7535\u5bb9\u5668\u3001\u7535\u6c60\u7b49\u3002\u4f5c\u4e3a\u901a\u8baf\u4f5c\u8005\uff0c\u5728 Nature\u3001Nature Energy\u3001Nature Communications\u3001Journal of American Chemical Society\u3001Angewandte Chemie-International Edition\u3001Advanced Materials \u7b49\u56fd\u9645\u9876\u7ea7\u671f\u520a\u53d1\u8868\u5b66\u672f\u8bba\u6587\u8d85\u8fc7380\u7bc7\uff0c\u5f15\u7528\u8d85\u8fc740000\u6b21\uff0ch\u6307\u6570\u4e3a103\uff08Web of Sci.\uff09\u3002\u540c\u65f6\uff0c\u4e54\u6559\u6388\u62e5\u6709\u591a\u9879\u53d1\u660e\u4e13\u5229\uff0c\u5e76\u4ece\u5de5\u4e1a\u754c\u548c\u6fb3\u5927\u5229\u4e9a\u7814\u7a76\u7406\u4e8b\u4f1a\uff08ARC\uff09\u83b7\u5f97\u7814\u7a76\u7ecf\u8d39\u8d85\u8fc7 1200 \u4e07\u6fb3\u5143\u3002<\/p>\n \u4e54\u4e16\u748b\u6559\u6388\u5df2\u83b7\u5f97\u591a\u9879\u91cd\u8981\u5956\u52b1\u4e0e\u8363\u8a89\uff0c\u5305\u62ec 2017 \u5e74\u6fb3\u5927\u5229\u4e9a\u7814\u7a76\u7406\u4e8b\u4f1a\u6842\u51a0\u5b66\u8005\uff08ARC Australian Laureate Fellow\uff09\u30012016 \u5e74\u57c3\u514b\u68ee\u7f8e\u5b5a\u5956\u30012013 \u5e74\u7f8e\u56fd\u5316\u5b66\u5b66\u4f1a\u80fd\u6e90\u4e0e\u71c3\u6599\u90e8\u65b0\u5174\u7814\u7a76\u8005\u5956\u4ee5\u53ca\u6fb3\u5927\u5229\u4e9a\u7814\u7a76\u7406\u4e8b\u4f1a\u6770\u51fa\u7814\u7a76\u8005\u5956\uff08DORA\uff09\u3002\u4e54\u6559\u6388\u88ab\u8bc4\u4e3a\u56fd\u9645\u5316\u5b66\u5de5\u7a0b\u5e08\u5b66\u4f1a\u4f1a\u58eb\u3001\u6fb3\u5927\u5229\u4e9a\u7687\u5bb6\u5316\u5b66\u4f1a\u4f1a\u58eb\u3001\u82f1\u56fd\u7687\u5bb6\u5316\u5b66\u4f1a\u4f1a\u58eb\u7b49\u3002\u540c\u65f6\uff0c\u4ed6\u62c5\u4efb\u56fd\u9645\u520a\u7269\u82f1\u56fd\u7687\u5bb6\u5316\u5b66\u4f1a\u6742\u5fd7 Journal of Materials Chemistry A \u526f\u4e3b\u7f16\uff0c\u4e5f\u662f\u79d1\u777f\u552f\u5b89\uff08Clarivate Analytics\uff09\/ \u6c64\u59c6\u68ee\u8def\u900f\uff08Thomson Reuters\uff09\u5316\u5b66\u53ca\u6750\u6599\u79d1\u5b66\u9886\u57df\u7684\u9ad8\u88ab\u5f15\u79d1\u5b66\u5bb6\u3002<\/p>\n \u8be5\u9886\u57df\u5de5\u4f5c\u6c47\u603b\uff1a<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n\n