{"id":173069,"date":"2019-04-20T06:30:09","date_gmt":"2019-04-19T22:30:09","guid":{"rendered":"\/\/m.iemloyee.com\/?p=173069"},"modified":"2019-04-19T18:25:25","modified_gmt":"2019-04-19T10:25:25","slug":"%e3%80%90%e5%9b%bd%e5%a4%96%e3%80%91%e6%be%b3%e5%a4%a7%e5%88%a9%e4%ba%9a%e7%ba%bd%e5%8d%a1%e6%96%af%e5%b0%94%e5%a4%a7%e5%ad%a6j-mater-chem-a-taon%e5%92%8cta3n5%e6%b0%b4%e5%88%86%e8%a7%a3%e5%85%89","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=173069","title":{"rendered":"\u6fb3\u5927\u5229\u4e9a\u7ebd\u5361\u65af\u5c14\u5927\u5b66J. Mater. Chem. A: TaON\u548cTa3N5\u6c34\u5206\u89e3\u5149\u50ac\u5316\u5242\u4e2d\u7684\u7a7a\u4f4d\u6269\u6563\u52bf\u5792"},"content":{"rendered":"
\u3010\u5f15\u8a00<\/strong>\u3011<\/p>\n \u6c2e\u6c27\u5316\u7269\u6750\u6599\u5df2\u7ecf\u5728\u989c\u6599\u3001\u7535\u4ecb\u8d28\u548c\u5149\u7535\u5b50\u6750\u6599\u7b49\u65b9\u9762\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u8bb8\u591a\u6c2e\u6c27\u5316\u7269\u6750\u6599\u7684\u5e26\u9699\u4e0e\u592a\u9633\u5149\u8c31\u4e4b\u95f4\u7684\u91cd\u53e0\uff0c\u4f7f\u5f97\u5b83\u4eec\u6210\u4e3a\u53ef\u4ee5\u5728\u53ef\u89c1\u5149\u533a\u57df\u4e2d\u4f7f\u7528\u7684\u6c34\u5206\u89e3\u5149\u50ac\u5316\u5242\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cTaON\u548cTa3<\/sub>N5<\/sub>\u5206\u522b\u5177\u67092.1\u548c2.4 eV\u7684\u5e26\u9699\u4ee5\u53ca510\u548c600 nm\u7684\u5438\u6536\u3002\u4e24\u79cd\u6750\u6599\u53ef\u63d0\u4f9b\u7528\u4e8e\u6c34\u6c27\u5316\u7684\u9ad8\u5149\u50ac\u5316\u6d3b\u6027\uff0c\u5176\u4e2dTaON\u548cTa3<\/sub>N5<\/sub>\u5728\u53ef\u89c1\u5149\u7167\u5c04\u4e0b\u8868\u73b0\u51fa34\uff05\u548c10\uff05\u7684\u91cf\u5b50\u6548\u7387\u3002\u94bd\uff08\u6c27\uff09\u6c2e\u5316\u7269\u7684\u5e26\u9699\u8303\u56f4\u4e3a2.5\u81f31.9 eV\uff0c\u5bf9\u5e94\u4e8e\u7406\u8bba\u4ea7\u6c22\u6548\u7387\u4e3a9.3%\u81f320.9\uff05\u3002<\/p>\n TaON\u548cTa3<\/sub>N5<\/sub>\u53ef\u4ee5\u5728973 K\u4ee5\u4e0a\u7684\u6e29\u5ea6\u4e0b\uff0c\u901a\u8fc7\u5728\u6d41\u52a8\u7684NH3<\/sub>\u4e0b\u6c2e\u5316Ta2<\/sub>O5<\/sub>\u7c89\u672b\u6765\u5236\u5907\u3002\u8fd9\u4e9b\u6750\u6599\u6613\u4e8e\u6c27\u5316\u5206\u89e3\uff0c\u56e0\u6b64\u5728\u50ac\u5316\u754c\u9762\u5904\u5f62\u6210\u7684Ta2<\/sub>O5<\/sub>\u5c42\uff0c\u963b\u788d\u7a7a\u7a74\u8f6c\u79fb\u5230\u7535\u89e3\u8d28\u4e2d\uff0c\u964d\u4f4e\u4e86\u6750\u6599\u7684\u5149\u50ac\u5316\u6027\u80fd\u3002\u4e0e\u5b83\u4eec\u7684\u6bcd\u4f53\u6c27\u5316\u7269\u76f8\u6bd4\uff0c\uff08\u6c27\uff09\u6c2e\u5316\u7269\u7684\u5e26\u9699\u51cf\u5c0f\uff0c\u56e0\u4e3aN-2p\u8f68\u9053\u7684\u80fd\u91cf\u9ad8\u4e8eO-2p\u8f68\u9053\u3002\u56e0\u6b64\uff0c\u589e\u52a0\u6c2e\u542b\u91cf\u4f1a\u589e\u52a0\u4ef7\u5e26\u4e2d\u7684N-2p\u7279\u6027\uff0c\u5e76\u964d\u4f4e\u6750\u6599\u7684\u6c27\u5316\u7a33\u5b9a\u6027\u3002\u6b64\u5916\uff0c\u5728\u5178\u578b\u7684\u5149\u50ac\u5316\u64cd\u4f5c\u6761\u4ef6\u4e0b\uff0cTaON\u4e2d\u7684ON\u4f4d\u70b9\u7f3a\u9677\u5177\u6709\u8f83\u4f4e\u7684\u5f62\u6210\u80fd\u3002TaON\u548cTa3<\/sub>N5<\/sub>\u53ef\u4ee5\u652f\u6301\u9ad8\u7f3a\u9677\u5bc6\u5ea6\u7684\u5c5e\u6027\uff0c\u63a8\u52a8\u4e86\u9499\u949b\u77ff\u6c2e\u6c27\u5316\u7269AB(O,N)3<\/sub>\uff08A = Ca\uff0cSr\uff0cBa\u548cLa\uff0cB = Ti\uff0cTa\u548cNb\uff09\u4f5c\u4e3a\u5149\u50ac\u5316\u5242\u7684\u7814\u7a76\u3002<\/p>\n \u5c3d\u7ba1\u5b58\u5728\u6c27\u5316\u5206\u89e3\u7684\u8d8b\u52bf\uff0c\u4f46\u6709\u8bc1\u636e\u8868\u660e\u6c27\u6c2e\u5316\u7269\u6750\u6599\u8868\u73b0\u51fa\u6539\u5584\u7684\u79bb\u5b50\u5bfc\u7535\u6027\u3002\u5728\u6df7\u5408\u9634\u79bb\u5b50\u6750\u6599\u4e2d\uff0c\u4e00\u4e2a\u9634\u79bb\u5b50\u5c06\u4e3b\u5bfc\u79bb\u5b50\u8fc1\u79fb\u7387\uff0c\u800c\u53e6\u4e00\u4e2a\u9634\u79bb\u5b50\u5c06\u8d4b\u4e88\u7ed3\u6784\u7a33\u5b9a\u6027\u3002\u56e0\u6b64\uff0c\u9634\u79bb\u5b50\u5728\u6df7\u5408\u9634\u79bb\u5b50\u6750\u6599\u4e2d\u6240\u8d77\u7684\u4e0d\u540c\u4f5c\u7528\uff0c\u4e3a\u5f00\u53d1\u65b0\u7684\u5149\u50ac\u5316\u6750\u6599\u63d0\u4f9b\u4e86\u65b9\u4fbf\u7684\u8bbe\u8ba1\u601d\u8def\u3002\u7136\u800c\uff0c\u6c2e\u6c27\u5316\u7269\u6750\u6599\u4e2d\u6df7\u5408\u79bb\u5b50\u6269\u6563\u7684\u57fa\u672c\u70ed\u52a8\u529b\u5b66\uff0c\u4f8b\u5982\u7a7a\u7a74\u7f3a\u9677\u8fc1\u79fb\u52bf\u5792\u548c\u5f62\u6210\u80fd\uff0c\u4ecd\u7136\u672a\u88ab\u63a2\u7d22\u3002\u8fd9\u4e9b\u95ee\u9898\u53ef\u80fd\u5728\u786e\u5b9a\u5149\u50ac\u5316\u6d3b\u6027\u4e2d\u8d77\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb<\/strong>\u3011<\/p>\n \u8fd1\u65e5\uff0c\u6fb3\u5927\u5229\u4e9a\u7ebd\u5361\u65af\u5c14\u5927\u5b66<\/strong>\u4f7f\u7528\u7b2c\u4e00\u539f\u7406\u8ba1\u7b97\u9884\u6d4b\u5757\u72b6TaON\u548cTa3<\/sub>N5<\/sub>\u4e2d\u7684\u7a7a\u4f4d\u7f3a\u9677\u6269\u6563\u52bf\u5792\u3002\u8fd9\u4e2a\u5de5\u4f5c\u7684\u4e3b\u8981\u7814\u7a76\u76ee\u7684\u662f\u7406\u89e3\u548c\u91cf\u5316TaON\u4e2d\u540c\u65f6\u5b58\u5728\u7684O2<\/sub>–<\/sup>\u548cN3<\/sub>–<\/sup>\u9634\u79bb\u5b50\u7a7a\u4f4d\u6269\u6563\u969c\u788d\u4e4b\u95f4\u7684\u7ade\u4e89\uff0c\u4ee5\u53ca\u8be5\u7ade\u4e89\u5982\u4f55\u53d7\u5230\u6750\u6599\u7535\u8377\u72b6\u6001\u7684\u5f71\u54cd\u3002\u7814\u7a76\u53d1\u73b0N3<\/sub>–<\/sup>\u7a7a\u4f4d\u7f3a\u9677\u7684\u8fc1\u79fb\u5bf9\u7535\u8377\u72b6\u6001\u6781\u5176\u654f\u611f\uff0c\u6269\u6563\u52bf\u5792\u504f\u79bb\u51e0\u4e2aeV\u3002\u76f8\u53cd\uff0c\u6c27\u7a7a\u4f4d\u7f3a\u9677\u7684\u6269\u6563\u5f88\u5927\u7a0b\u5ea6\u4e0a\u4e0e\u7535\u8377\u72b6\u6001\u65e0\u5173\u3002\u53e6\u5916\uff0c\u6c27\u6297\u4f4d\u70b9\u7f3a\u9677\u7684\u5f62\u6210\u662f\u7535\u8377\u8c03\u5236\u7684\uff1b\u5728\u9ad8\u7535\u8377\u4e0b\uff0c\u8fd9\u79cd\u7f3a\u9677\u5728\u70ed\u529b\u5b66\u4e0a\u662f\u6709\u5229\u7684\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u6c2e\u6297\u4f4d\u70b9\u7f3a\u9677\u6765\u8bf4\uff0c\u60c5\u51b5\u6c38\u8fdc\u4e0d\u4f1a\u5982\u6b64\uff0c\u968f\u7740\u7535\u8377\u72b6\u6001\u7684\u589e\u52a0\uff0c\u8fd9\u4f1a\u8d8a\u6765\u8d8a\u4e0d\u5229\u3002\u5728Ta3<\/sub>N5<\/sub>\u4e2d\uff0c\u7a7a\u4f4d\u7f3a\u9677\u6269\u6563\u663e\u793a\u51fa\u52a8\u529b\u5b66\u5404\u5411\u5f02\u6027\uff0c\u56e0\u4e3a\u6269\u6563\u52bf\u5792\u7531\u7f3a\u9677\u9644\u8fd1\u7684\u6807\u79f0\u914d\u4f4d\u6570\u51b3\u5b9a\u3002\u8fd9\u4e5f\u662f\u6c27\u6742\u8d28\u6269\u6563\u7684\u60c5\u51b5\u3002\u8fd9\u4e9b\u7ed3\u679c\u4e3a\u7406\u89e3\u7ed3\u6784\u548c\u914d\u4f4d\u6548\u5e94\u5982\u4f55\u5728TaON\uff0cTa3<\/sub>N5<\/sub>\u548c\u94bd\u9499\u949b\u77ff\u6c2e\u6c27\u5316\u7269\u4e2d\u8c03\u8282\u6c27\u548c\u6c2e\u9634\u79bb\u5b50\u76f8\u5bf9\u4e8e\u5f7c\u6b64\u7684\u8fc1\u79fb\u7387\u63d0\u4f9b\u4e86\u57fa\u7840\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cVacancy Diffusion Barriers in TaON and Ta3<\/sub>N5<\/sub> Water-Splitting Photocatalysts<\/strong>\u201d\u53d1\u8868\u5728J. Mater. Chem. A<\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n Figure 1.TaON<\/strong>\u548c<\/strong>Ta3<\/sub>N5<\/sub><\/strong>\u7684\u6676\u80de\u7ed3\u6784<\/strong><\/p>\n Figure 2.<\/strong>\u7a7a\u4f4d\u8fc1\u79fb<\/strong><\/p>\n (a).TaON\u4e2d\u7684\u6c27\u7a7a\u4f4d\u8fc1\u79fb\u8def\u5f84\uff0c\u4ee5\u53ca\u6269\u6563\u80fd\u5792\u968f\u7535\u8377\u72b6\u6001\u7684\u53d8\u5316<\/p>\n (b).TaON\u4e2d\u7684\u6c2e\u7a7a\u4f4d\u8fc1\u79fb\u8def\u5f84\uff0c\u4ee5\u53ca\u6269\u6563\u80fd\u5792\u968f\u7535\u8377\u72b6\u6001\u7684\u53d8\u5316<\/p>\n Figure 3.<\/strong>\u7a7a\u4f4d\u8fc1\u79fb\u8def\u5f84\u3001\u5f62\u6210\u80fd\u548c\u6269\u6563\u80fd\u5792<\/strong><\/p>\n (a).TaON\u4e2d\u7684\u7a7a\u4f4d\u4ea4\u6362\u8fc1\u79fb\u8def\u5f84<\/p>\n (b).\u5f62\u6210\u80fd\u968f\u7535\u8377\u7684\u53d8\u5316<\/p>\n (c).\u6269\u6563\u80fd\u5792\u968f\u7535\u8377\u72b6\u6001\u7684\u53d8\u5316<\/p>\n Figure 4. <\/strong>\u7a7a\u4f4d\u8fc1\u79fb\u8def\u5f84\u3001\u5f62\u6210\u80fd\u548c\u6269\u6563\u80fd\u5792<\/strong><\/p>\n (a).TaON\u4e2d\u7684\u7a7a\u4f4d\u4ea4\u6362\u8fc1\u79fb\u8def\u5f84<\/p>\n (b).\u5f62\u6210\u80fd\u968f\u7535\u8377\u7684\u53d8\u5316<\/p>\n (c).\u6269\u6563\u80fd\u5792\u968f\u7535\u8377\u72b6\u6001\u7684\u53d8\u5316<\/p>\n Figure 5.<\/strong>\u6c2e\u7a7a\u4f4d\u7684\u8fc1\u79fb\u8def\u5f84\u548c\u76f8\u5e94\u7684\u80fd\u5792<\/strong><\/p>\n Figure 6.Ta3<\/sub>N5<\/sub><\/strong>\u4e2d\u7684\u8fc1\u79fb\u80fd\u5792<\/strong><\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u6df7\u5408\u9634\u79bb\u5b50\u534a\u5bfc\u4f53\u5982\u6c2e\u6c27\u5316\u7269\u5177\u6709\u5e7f\u6cdb\u7684\u4f7f\u7528\u6027\u80fd\uff0c\u53ef\u4ee5\u9488\u5bf9\u5404\u79cd\u50ac\u5316\u5e94\u7528\u8fdb\u884c\u8c03\u6574\uff0c\u4f8b\u5982\u5149\u50ac\u5316\u6c34\u5206\u89e3\u3002\u5728\u8fd9\u9879\u5de5\u4f5c\u4e2d\uff0c\u7b2c\u4e00\u539f\u7406\u6a21\u62df\u7528\u4e8e\u9884\u6d4b\u539f\u578b\uff08\u6c27\uff09\u6c2e\u5316\u7269\u5149\u50ac\u5316\u5242TaON\u548cTa3<\/sub>N5<\/sub>\u4e2d\u6c2e\u548c\u6c27\u9634\u79bb\u5b50\u7a7a\u4f4d\u7684\u7ade\u4e89\u7a33\u5b9a\u6027\u548c\u8fc1\u79fb\u7387\u3002\u7ed3\u679c\u8868\u660e\u5c40\u90e8Ta5+<\/sup>\u914d\u4f4d\u73af\u5883\uff0c\u7a7a\u4f4d\u7f3a\u9677\u7535\u8377\u548c\u9634\u79bb\u5b50\u914d\u4f4d\u6570\u5404\u81ea\u5f71\u54cd\u4e3b\u8981\u7684\u79bb\u5b50\u6269\u6563\u673a\u5236\u3002\u7f3a\u9677\u7535\u8377\u672c\u8d28\u4e0a\u4e0e\u8fd9\u4e9b\u6750\u6599\u4e2d\u7f3a\u9677\u8fc1\u79fb\u7684\u6027\u8d28\u548c\u52a8\u529b\u5b66\u6709\u5173\u3002\u5177\u4f53\u800c\u8a00\uff0c\u5bf9\u4e8eTaON\u4e2d\u4e2d\u6027\u548c\u4f4e\u7535\u8377\u7f3a\u9677\uff0c\u6c27\u9634\u79bb\u5b50\u6269\u6563\u4e3b\u5bfc\u79bb\u5b50\u8fc1\u79fb\u7387\uff0c\u800c\u8f83\u9ad8\u7535\u8377\u72b6\u6001\u963b\u788d\u6c27\u6269\u6563\u5e76\u540c\u65f6\u964d\u4f4e\u6c2e\u6269\u6563\u52bf\u5792\u3002\u8be5\u7ed3\u679c\u4e3aTaON\u548cTa3<\/sub>N5<\/sub>\u5728\u50ac\u5316\u64cd\u4f5c\u6761\u4ef6\u4e0b\u6613\u4e8e\u5f62\u6210\u6c2e\u7f3a\u9677\u63d0\u4f9b\u4e86\u89e3\u91ca\u3002\u7535\u8377\u7a33\u5b9a\u4e86TaON\u4e2d\u7684\u6c27\u6297\u4f4d\u70b9\u7f3a\u9677\uff0c\u4ee5\u53caTa3<\/sub>N5<\/sub>\u4e2d\u7684\u6c27\u6742\u8d28\u7f3a\u9677\uff0c\u8fd9\u4e0e\u8fd9\u4e9b\u6750\u6599\u503e\u5411\u4e8e\u8fdb\u884c\u6c27\u5316\u5206\u89e3\uff0c\u91cd\u6574\u5f62\u6210\u6c27\u5316\u7269\u5982Ta2<\/sub>O5<\/sub>\u76f8\u4e00\u81f4\u3002\u8fd9\u4e9b\u7814\u7a76\u7ed3\u679c\u5f3a\u8c03\u4e86\u91d1\u5c5e\u79bb\u5b50\u914d\u4f4d\u548c\u7ed3\u6784\u586b\u6599\u5728\u4fdd\u6301\u6c2e\u6c27\u5316\u7269\u534a\u5bfc\u4f53\u4e2d\u6c2e\u542b\u91cf\u4ee5\u63d0\u9ad8\u7a33\u5b9a\u6027\u65b9\u9762\u7684\u91cd\u8981\u6027\u3002<\/p>\n<\/p>\n
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