{"id":183246,"date":"2019-09-19T06:30:12","date_gmt":"2019-09-18T22:30:12","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=183246"},"modified":"2019-09-19T11:32:40","modified_gmt":"2019-09-19T03:32:40","slug":"%e9%80%89%e5%af%b9%e8%a1%a8%e5%be%81%e6%96%b9%e6%b3%95%ef%bc%8c%e5%8a%a9%e5%8a%9b%e6%b0%a7%e7%a9%ba%e4%bd%8d%e6%88%90%e4%b8%ba%e6%b0%a7%e5%8c%96%e7%89%a9%e9%a2%86%e5%9f%9f%e7%9a%84","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=183246","title":{"rendered":"\u9009\u5bf9\u8868\u5f81\u65b9\u6cd5\uff0c\u52a9\u529b\u201c\u6c27\u7a7a\u4f4d\u201d\u6210\u4e3a\u6c27\u5316\u7269\u9886\u57df\u7684\u201c\u597d\u63a7\u536b\u201d"},"content":{"rendered":"

1\u3001\u6750\u6599\u6c27\u7a7a\u4f4d\u7684\u80cc\u666f\u77e5\u8bc6\u4ecb\u7ecd<\/h3>\n

\u6c27\u7a7a\u4f4d\uff08Oxygen Vacancy, OVs\uff09\u7684\u6982\u5ff5\u6700\u65e9\u4e8e1960\u5e74\u63d0\u51fa\uff0c\u7528\u4e8e\u7814\u7a76\u548c\u56fa\u4f53\u8868\u9762\u63a5\u89e6\u7684\u6c14\u4f53\u3002\u5bf9\u4e8e\u91d1\u5c5e\u6c27\u5316\u7269\uff0c\u5982\u679c\u5728\u7279\u5b9a\u5916\u754c\u73af\u5883\u4e0b\uff08\u6bd4\u5982\u9ad8\u6e29\uff09\uff0c\u4f1a\u9020\u6210\u6676\u683c\u4e2d\u7684\u6c27\u8131\u79bb\uff0c\u5bfc\u81f4\u6c27\u7f3a\u5931\uff0c\u5f62\u6210\u6c27\u7a7a\u4f4d\uff0c\u7f3a\u9677\u65b9\u7a0b\u53ef\u4ee5\u8868\u793a\u4e3aO=1\/2O2<\/sub>+Vo<\/sub>\u3002\u5bf9\u4e8e\u91d1\u5c5e\u6c27\u5316\u7269\uff0c\u5176\u6c27\u7a7a\u4f4d\u662f\u7f3a\u9677\u7684\u4e00\u79cd\u3002\u7531\u4e8e\u5728\u6c27\u5316\u7269\u4e2d\u76f8\u5bf9\u4e8e\u6c27\uff0c\u5176\u4ed6\u5143\u7d20\u7684\u7535\u8d1f\u6027\u4e00\u822c\u5c0f\u4e8e\u6c27\uff0c\u6240\u4ee5\u5f53\u5931\u53bb\u6c27\u65f6\uff0c\u76f8\u5f53\u4e8e\u53d6\u8d70\u4e00\u4e2a\u6c27\u539f\u5b50\u52a0\u4e0a\u4e24\u4e2a\u5e26\u6b63\u7535\u7684\u7535\u5b50-\u7a7a\u7a74\uff0c\u5982\u679c\u8fd9\u4e24\u4e2a\u7535\u5b50-\u7a7a\u7a74\u88ab\u675f\u7f1a\u5728\u6c27\u7a7a\u4f4d\u4e0a\uff0c\u8bf4\u660e\u6c27\u7a7a\u4f4d\u4e00\u822c\u5e26\u6b63\u7535\u3002<\/p>\n

\u76f4\u52302000\u5e74\uff0c\u4eba\u4eec\u624d\u53d1\u73b0\u8868\u9762\u6c27\u7a7a\u4f4d\u53ef\u4f5c\u4e3a\u6d3b\u6027\u4f4d\uff0c\u80fd\u5438\u9644CO\u5e76\u5c06\u5176\u8f6c\u6362\u6210CO2<\/sub>\u3002\u4e4b\u540e\uff0c\u6c27\u7a7a\u4f4d\u7684\u7814\u7a76\u62a5\u9053\u8d8a\u6765\u8d8a\u591a\uff0c\u5305\u62ec\u5728\u5149\u50ac\u5316\u3001\u50a8\u80fd\u3001\u7535\u50ac\u5316\u7b49\u9886\u57df\u3002\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u91c7\u7528\u5b9e\u9a8c\u548c\u7406\u8bba\u8ba1\u7b97\u7684\u65b9\u6cd5\u5bf9\u6c27\u7a7a\u4f4d\u8fdb\u884c\u4e86\u8bf8\u591a\u7814\u7a76\u3002\u63a5\u4e0b\u6765\uff0c\u7b14\u8005\u5c06\u5217\u4e3e\u51e0\u79cd\u8868\u5f81\u6c27\u7a7a\u4f4d\u7684\u65b9\u6cd5\uff0c\u4f9b\u5927\u5bb6\u5728\u79d1\u7814\u8fc7\u7a0b\u4e2d\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n

2\u3001\u6c27\u7a7a\u4f4d\u7684\u8868\u5f81\u65b9\u6cd5\u53ca\u6848\u4f8b\u4ecb\u7ecd<\/h3>\n

2.1 \u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97<\/h4>\n

\u4f5c\u4e3a\u4e00\u79cd\u7814\u7a76\u591a\u7535\u5b50\u4f53\u7cfb\u7535\u5b50\u7ed3\u6784\u7684\u91cf\u5b50\u529b\u5b66\u65b9\u6cd5\uff0c\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u5728\u7269\u7406\u548c\u5316\u5b66\u4e0a\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u7279\u522b\u662f\u7528\u6765\u7814\u7a76\u5206\u5b50\u548c\u51dd\u805a\u6001\u7684\u6027\u8d28\uff0c\u662f\u51dd\u805a\u6001\u7269\u7406\u8ba1\u7b97\u6750\u6599\u5b66\u548c\u8ba1\u7b97\u5316\u5b66\u9886\u57df\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002<\/p>\n

Zhang\u7b49\u4eba[1]<\/sup>\u91c7\u7528\u6c34\u70ed\u6cd5\uff0c\u5728\u6ce1\u6cab\u954d\u8868\u9762\u539f\u4f4d\u751f\u957f\u4e86\u4e24\u5c42\u539a\uff081.4nm\uff09\u7684\u8d85\u8584\u03b4-MnO2<\/sub>\u7eb3\u7c73\u7247\u3002\u91c7\u7528DFT\u8ba1\u7b97\uff0c\u63ed\u793a\u4e86\u03b4-MnO2<\/sub>\u7eb3\u7c73\u7247\u4e2d\u7a7a\u4f4dMnO2<\/sub>\uff08Vo<\/sub>-MnO2<\/sub>\uff09\u7684\u7ed3\u6784\u6a21\u578b\u3002\u4e0e\u6ca1\u6709\u7f3a\u9677\u7684MnO2<\/sub>\u5bf9\u6bd4\uff0cVo<\/sub>-MnO2<\/sub>\u7684\u72b6\u6001\u603b\u5bc6\u5ea6\u548c\u90e8\u5206\u5bc6\u5ea6\u5747\u63a5\u8fd1\u8d39\u7c73\u80fd\u7ea7\uff0c\u8bc1\u660e\u5728\u6750\u6599\u4e2d\u5b58\u5728\u6c27\u7a7a\u4f4d\u3002\u6c27\u7a7a\u4f4d\u80fd\u589e\u52a0\u914d\u4f4d\u4e0d\u9971\u548cMn3+<\/sup>\u7684\u4f4d\u7f6e\uff0c\u589e\u5f3a\u6750\u6599\u7684\u7535\u5b50\u7535\u5bfc\u6027\u548c\u7535\u5b50\u4f20\u8f93\uff0c\u6d3b\u5316\u03b4-MnO2<\/sub>\u7eb3\u7c73\u7247\uff0c\u63d0\u5347\u03b4-MnO2<\/sub>\u7eb3\u7c73\u7247\u50ac\u5316\u5168\u7535\u6c60\u6c34\u89e3\u7684\u6027\u80fd\u3002MnO2<\/sub>\u4e2d\u7684\u7a7a\u4f4d\u7f3a\u9677\u4f7f\u5176\u5177\u6709\u534a\u91d1\u5c5e\u6027\u8d28\uff0c\u4fc3\u8fdbH2<\/sub>O\u5438\u9644\uff0c\u589e\u5f3a\u6790\u6c22\u548c\u6c27\u8fd8\u539f\u7684\u6027\u80fd\u3002<\/p>\n

\u56fe1\u3001<\/strong><\/p>\n

\"\"<\/p>\n

A\uff09\u03b4-MnO2<\/sub>\u7eb3\u7c73\u7247\u7684\u6676\u4f53\u7ed3\u6784\u6a21\u578b\uff1bB\uff09Vo<\/sub>-MnO2<\/sub>\u7684\u72b6\u6001\u603b\u5bc6\u5ea6\u548c\u90e8\u5206\u5bc6\u5ea6\uff1bEf\u8bbe\u7f6e\u4e3a0eV\uff1bC\uff09\u5728\u7eafMnO2<\/sub>\uff0cVo<\/sub>-MnO2<\/sub>\uff0cNiO\u548cNi\u8868\u9762\u6c34\u5206\u5b50\u7684DFT\u8ba1\u7b97\u5438\u9644\u80fd\uff1bD\uff09\u5e73\u8861\u7535\u52bf\u4e0b\uff0c\u6c22\u6c14\u5728\u7eafMnO2<\/sub>\uff0cVo<\/sub>-MnO2<\/sub>\uff0cNiO (110)\u8868\u9762\u548cNi(200)\u8868\u9762\u6790\u51fa\u7684\u8ba1\u7b97\u81ea\u7531\u80fd\u56fe[1]<\/sup>\u3002<\/p>\n

2.2\u626b\u63cf\u900f\u5c04\u7535\u6781\u663e\u5fae\u955c\uff08STEM\uff09<\/h4>\n

STEM\u80fd\u7528\u6765\u8868\u5f81\u7eb3\u7c73\u6750\u6599\u7684\u7ed3\u6784\uff0c\u5bf9\u539f\u5b50\u7ed3\u6784\u76f4\u63a5\u6210\u50cf\u3002Hou\u7b49[2]<\/sup>\u91c7\u7528STEM\u53d1\u73b0\u5728\u8fd8\u539f\u7684TiO2<\/sub>\u8868\u9762\uff0c\u6865\u952e\u7684\u7f3a\u9677\uff08bridge-bonded oxygen vacancies, BBOv\uff09\u53ef\u4f5c\u4e3aCO\u5438\u9644\u4f4d\u3002<\/p>\n

\u56fe2\u3001\u8fde\u7eed\u83b7\u5f97STEM\u56fe\uff085.4\u00d77.3nm2<\/sup>\uff09\u663e\u793aCO\u4e0d\u540c\u7684\u6269\u6563\u8def\u5f84[2]<\/sup>\u3002<\/strong><\/p>\n

\"\"<\/p>\n

2.3 \u62c9\u66fc\u5149\u8c31<\/h4>\n

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Huang\u7b49[3]<\/sup>\u91c7\u7528\u62c9\u66fc\u5149\u8c31\u8bc1\u5b9e\u4e86Eu\u63ba\u6742\u7684CeO2<\/sub>\u7eb3\u7c73\u7247\u4e2d\u5b58\u5728\u6c27\u7a7a\u4f4d\u3002\u4e0eCeO2<\/sub>\u7eb3\u7c73\u7247\u5bf9\u6bd4\uff0cEu\u63ba\u6742\u7684CeO2<\/sub>\u7eb3\u7c73\u7247\u5728600cm-1<\/sup>\u51fa\u73b0\u62c9\u66fc\u632f\u52a8\u5cf0\uff0c\u8868\u660e\u7531\u4e8eCe3+<\/sup>\u548cEu3+<\/sup>\u5b58\u5728\uff0c\u5bfc\u81f4\u6750\u6599\u4ea7\u751f\u4e86\u6c27\u7a7a\u4f4d\u3002<\/p>\n

\u56fe3.\u00a0CeO2<\/sub>\u548c\u7f3a\u9677\u00a0CeO2<\/sub>\u7eb3\u7c73\u7247\u7684Raman[3]<\/sup>\u3002<\/strong><\/p>\n

\"\"<\/p>\n

2.4 X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff08XPS\uff09<\/h4>\n

X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\u6280\u672f\uff08XPS\uff09\u662f\u7535\u5b50\u6750\u6599\u4e0e\u5143\u5668\u4ef6\u663e\u5fae\u5206\u6790\u4e2d\u7684\u4e00\u79cd\u5148\u8fdb\u5206\u6790\u6280\u672f\uff0c\u800c\u4e14\u662f\u548c\u4fc4\u6b47\u7535\u5b50\u80fd\u8c31\u6280\u672f\uff08AES\uff09\u5e38\u5e38\u914d\u5408\u4f7f\u7528\u7684\u5206\u6790\u6280\u672f\u3002\u5b83\u4e0d\u4f46\u4e3a\u5316\u5b66\u7814\u7a76\u63d0\u4f9b\u5206\u5b50\u7ed3\u6784\u548c\u539f\u5b50\u4ef7\u6001\u65b9\u9762\u7684\u4fe1\u606f\uff0c\u8fd8\u80fd\u4e3a\u7535\u5b50\u6750\u6599\u7814\u7a76\u63d0\u4f9b\u5404\u79cd\u5316\u5408\u7269\u7684\u5143\u7d20\u7ec4\u6210\u548c\u542b\u91cf\u3001 \u5316\u5b66\u72b6\u6001\u3001\u5206\u5b50\u7ed3\u6784\u3001\u5316\u5b66\u952e\u65b9\u9762\u7684\u4fe1\u606f\u3002\u5b83\u5728\u5206\u6790\u7535\u5b50\u6750\u6599\u65f6\uff0c\u4e0d\u4f46\u53ef\u63d0\u4f9b\u603b\u4f53\u65b9\u9762\u7684\u5316\u5b66\u4fe1\u606f\uff0c\u8fd8\u80fd\u7ed9\u51fa\u8868\u9762\u3001\u5fae\u5c0f\u533a\u57df\u548c\u6df1\u5ea6\u5206\u5e03\u65b9\u9762\u7684\u4fe1\u606f\u3002 \u53e6\u5916\uff0c\u56e0\u4e3a\u5165\u5c04\u5230\u6837\u54c1\u8868\u9762\u7684X\u5c04\u7ebf\u675f\u662f\u4e00\u79cd\u5149\u5b50\u675f\uff0c\u6240\u4ee5\u5bf9\u6837\u54c1\u7684\u7834\u574f\u6027\u975e\u5e38\u5c0f\uff0c\u8fd9\u4e00\u70b9\u5bf9\u5206\u6790\u6709\u673a\u6750\u6599\u548c\u9ad8\u5206\u5b50\u6750\u6599\u975e\u5e38\u6709\u5229\u3002<\/p>\n

\u7f3a\u9677\u4f1a\u5bfc\u81f4\u914d\u4f4d\u6570\u8f83\u4f4e\u7684\u539f\u5b50\u8fdb\u5165\u6750\u6599\u7684\u7ed3\u6784\uff0c\u63d0\u4f9b\u4e86\u6c27\u7269\u8d28\u5316\u5b66\u5438\u9644\u7684\u914d\u4f4d\u4e0d\u9971\u548c\u4f4d\u3002Fan[4]<\/sup>\u7b49\u901a\u8fc7\u4f4e\u9891\u8d85\u58f0\u6cd5\u5236\u5907\u4e86\u542b\u6c27\u7a7a\u4f4d\u7684BiOI\uff0c\u53d1\u73b0\u5bcc\u542b\u7f3a\u9677\u7684BiOI(R-BiOI)\u7eb3\u7c73\u7247\u5177\u6709\u4f18\u79c0\u7684\u5149\u50ac\u5316\u6027\u80fd\u3002\u901a\u8fc7\u6750\u6599\u7684O 1s XPS\u8c31\uff0c\u8bc1\u5b9e\u6240\u5236\u5907\u7684BiOI\u4e2d\u5b58\u5728\u7f3a\u9677\u3002529.5eV\u7684XPS\u5cf0\u5f52\u5c5e\u4e8e\u6676\u683c\u6c27\uff0c531.5eV\u7684XPS\u5cf0\u5f52\u5c5e\u4e8e\u5728\u6c27\u7a7a\u4f4d\u4f4d\u7f6e\u5316\u5b66\u5438\u9644\u7684\u6c27\u7269\u8d28\u3002\u5438\u9644\u7684\u6c27\u7269\u8d28\u53ef\u4ee5\u7a33\u5b9a\u6c27\u7a7a\u4f4d\u3002<\/p>\n

\u56fe4\u3001BiOI\u548cR-BiOI\u7684XPS\u8c31\u56fe[4]<\/sup>\u3002<\/strong><\/p>\n

\"\"<\/p>\n

Bi[5]<\/sup>\u7b49\u91c7\u7528\u7b80\u5355\u7684\u6d78\u6e0d\u6cd5\uff0c\u5728BiVO4<\/sub>\u5149\u9633\u6781\u4e0a\u5236\u5907\u542b\u6c27\u7a7a\u4f4d\u7684\u9ad8\u7ed3\u6676\u03b2-FeOOH\u7eb3\u7c73\u8584\u5c42\uff0c\u57281.23V\uff08VS.\u53ef\u9006\u6c22\u7535\u6781\uff09\u65f6\u5177\u67094.3mA\/cm2<\/sup>\u7684\u5149\u7535\u6d41\u5bc6\u5ea6\u3002O 1s XPS\u8c31\u5206\u6790\u8868\u660e531.4eV\u7684XPS\u5cf0\u5bf9\u5e94\u4e8e\u4f4e\u6c27\u914d\u4f4d\u7684\u7f3a\u9677\u4f4d\u3002<\/p>\n

\u56fe5\u3001<\/strong><\/p>\n

\"\"<\/p>\n

a\uff0c\u4f53\u76f8FeOOH\u4e2d\u6c27\u7a7a\u4f4d\u5f88\u5c11\uff1bb\uff0c\u8d85\u8584FeOOH\u4e2d\u5bcc\u542b\u6c27\u7a7a\u4f4d\uff1bA.\u03b2-FeOOH-BiVO4<\/sub>\u5149\u9633\u6781XPS Fe 2p\u7cbe\u7ec6\u8c31\uff1bB.\u03b2-FeOOH-BiVO4<\/sub>\u5149\u9633\u6781XPS O 1s\u7cbe\u7ec6\u8c31\uff1bC.H2<\/sub>O2<\/sub>\u6c27\u5316\u5904\u7406\u7684\u03b2-FeOOH-BiVO4<\/sub>\u5149\u9633\u6781J-V\u66f2\u7ebf\uff08\u7f16\u53f7\u4ee3\u8868\u5904\u7406\u6b21\u6570\uff09\uff1bD.O2<\/sub>\u6c27\u5316\u5904\u7406\u7684\u03b2-FeOOH-BiVO4<\/sub>\u5149\u9633\u6781J-V\u66f2\u7ebf\uff08\u7f16\u53f7\u4ee3\u8868\u5904\u7406\u6b21\u6570\uff09[5]<\/sup>\u3002<\/p>\n

2.5 \u6b63\u7535\u5b50\u6e6e\u706d\u5bff\u547d\u8c31\uff08PALS\uff09<\/h4>\n

\u6b63\u7535\u5b50\u6e6e\u706d\u6280\u672f\uff0c\u662f\u5229\u7528\u6b63\u7535\u5b50\u4e0e\u7269\u8d28\u76f8\u4e92\u4f5c\u7528\u6765\u83b7\u5f97\u51dd\u805a\u7269\u8d28\u5185\u90e8\u5fae\u89c2\u7ed3\u6784\u548c\u7f3a\u9677\u7ed3\u6784\u7684\u4e00\u79cd\u5b9e\u9a8c\u6280\u672f\u3002\u7531\u4e8e\u6b63\u7535\u5b50\u5bf9\u539f\u5b50\u5c3a\u5ea6\u7684\u7f3a\u9677\uff08\u7a7a\u4f4d\u3001\u4f4d\u9519\u3001\u5fae\u5b54\u6d1e\uff09\u975e\u5e38\u654f\u611f\uff0c\u53ef\u4ee5\u5f25\u8865\u5176\u4ed6\u5b9e\u9a8c\u6280\u672f\u7684\u4e0d\u8db3\uff0c\u5e76\u51e0\u4e4e\u53ef\u7528\u4e8e\u4e00\u5207\u5f62\u6001\u7684\u51dd\u805a\u7269\u8d28\uff08\u91d1\u5c5e\u3001\u79bb\u5b50\u5316\u5408\u7269\uff0c\u591a\u6676\u3001\u975e\u6676\u6001\u7b49\uff09\u3002<\/p>\n

Xie\u7b49[6]<\/sup>\u91c7\u7528\u6b63\u7535\u5b50\u6e6e\u706d\u5bff\u547d\u8c31\u6280\u672f\uff0c\u6839\u636e\u6b63\u7535\u5b50\u6e6e\u706d\u5bff\u547d\uff0c\u9274\u5b9a\u4e86\u4e0d\u540c\u7684\u7a7a\u4f4d\u3002\u7ed3\u679c\u663e\u793a\uff0cVBi<\/sub>\u2019\u2019\u2019<\/sup>VO\u00b7\u00b7VBi<\/sub>\u2019\u2019\u2019<\/sup>\u7a7a\u4f4d\u7684\u6b63\u7535\u5b50\u6e6e\u706d\u5bff\u547d\u4e3a325ps\uff0c\u800cBi\u7a7a\u4f4d\u7684\u6b63\u7535\u5b50\u6e6e\u706d\u5bff\u547d\u4e3a325ps\u3002\u4e0d\u540c\u7684\u6e6e\u706d\u65f6\u95f4\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u7a7a\u4f4d\u4fe1\u606f\u3002VBi<\/sub>\u2019\u2019\u2019<\/sup>VO\u00b7\u00b7VBi<\/sub>\u2019\u2019\u2019<\/sup>\u7a7a\u4f4d\u66f4\u503e\u5411\u4e8e\u5728\u8d85\u8584BiOCl\u7eb3\u7c73\u7247\uff08nanosheets\uff09\u4e2d\u5b58\u5728\uff0c\u800cBi\u7f3a\u9677\u503e\u5411\u4e8e\u5728BiOCl\u7eb3\u7c73\u7247(nanoplates)\u4e2d\u5b58\u5728\u3002<\/p>\n

\u56fe6\u3001<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u8d85\u8584 BiOCl\u7eb3\u7c73\u7247\u548cBiOCl\u7eb3\u7c73\u7247\u7684\u6b63\u7535\u5b50\u6e6e\u706d\u5149\u8c31\u3002(b)\u548c(c)\u5206\u522b\u4ee3\u8868VBi\u2019\u2019\u2019\u7f3a\u9677\u548cVBi\u2019\u2019\u2019VO\u00b7\u00b7VBi\u2019\u2019\u2019\u7a7a\u4f4d\u6355\u83b7\u7684\u6b63\u7535\u5b50[6]<\/sup>\u3002<\/p>\n

2.6 \u540c\u6b65\u8f90\u5c04X\u5c04\u7ebf\u5438\u6536\u7ed3\u6784\u7cbe\u7ec6(XAFS)\u5149\u8c31<\/h4>\n

XAFS\u662f\u4e00\u79cd\u5229\u7528\u540c\u6b65\u8f90\u5c04\u6280\u672f\u53d1\u5c55\u8d77\u6765\u7684\u7ed3\u6784\u5206\u6790\u65b9\u6cd5\uff0c\u5305\u62ec\u6269\u5c55X-\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\uff08EXAFS\uff09\u548cX-\u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7ed3\u6784\uff08XANES\uff09\u3002XAFS\u4fe1\u53f7\u662f\u7531\u5438\u6536\u539f\u5b50\u5468\u56f4\u7684\u8fd1\u7a0b\u7ed3\u6784\u51b3\u5b9a\uff0c\u56e0\u800c\u5b83\u63d0\u4f9b\u7684\u662f\u5c0f\u8303\u56f4\u5185\u539f\u5b50\u7c07\u7ed3\u6784\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u7535\u5b50\u7ed3\u6784\u548c\u51e0\u4f55\u7ed3\u6784\u3002\u5176\u53ef\u4f7f\u7528\u6676\u4f53\u3001\u975e\u6676\u4f53\u3001\u6db2\u4f53\u3001\u56fa\u4f53\u751a\u81f3\u662f\u6c14\u4f53\u4f5c\u4e3a\u6837\u54c1\u3002<\/p>\n

Peng\u7b49[7]<\/sup>\u62a5\u9053\u91c7\u7528\u9759\u7535\u7eba\u4e1d\u6280\u672f\u7ed3\u5408\u7145\u70e7\u548c\u786b\u5316\u5904\u7406\uff0c\u5236\u5907\u4e86S\u4fee\u9970\u7684CaMnO3<\/sub>\uff08CMO\/S\uff09\u7eb3\u7c73\u7ba1\u53cc\u529f\u80fd\u50ac\u5316\u5242\uff0c\u50ac\u5316Zn-\u7a7a\u6c14\u7535\u6c60\u7684\u6c27\u8fd8\u539f\u548c\u6c27\u6790\u51fa\u53cd\u5e94\u3002\u5bf9\u5bcc\u542b\u7f3a\u9677\u7684CaMnO3<\/sub>\u7535\u6781\u6750\u6599\u8fdb\u884cXAFS\u8868\u5f81\u3002\u4eceXANES\u8c31\u7684\u5cf0\u4f4d\u7f6e\u548c\u5f3a\u5ea6\u5bf9\u6bd4\u53ef\u77e5\uff0cCMO\u548cCMO\/S-300\u5177\u6709\u7c7b\u4f3c\u7684Mn K-\u8fb9\u7f18\u66f2\u7ebf\uff0c\u8868\u660e\u786b\u5316\u4e4b\u540e\uff0cCMO\/S-300\u7684\u6676\u683c\u6846\u67b6\u6ca1\u6709\u53d1\u73b0\u5927\u7684\u53d8\u5316\u3002\u7136\u800c\uff0c\u5728XANES\u8c31\u4e0a\u5347\u7684\u8fb9\u7f18\u5904\u51fa\u73b0\u660e\u663e\u7684\u80fd\u91cf\u504f\u79fb\u3002CMO\/S-300\u7684\u8fb9\u7f18\u504f\u79fb\u5230\u66f4\u4f4e\u7684\u80fd\u91cf\u4f4d\u7f6e\u5904\u3002\u8fd9\u79cd\u504f\u79fb\u662f\u56e0\u4e3a\u9ad8\u6c27\u5316\u6001Mn(IV)\u5f80\u4f4e\u8fd8\u539f\u6001Mn\uff08III\uff09\u8f6c\u53d8\u9020\u6210\u7684\u3002\u8fb9\u7f18\u504f\u79fb\u4e0d\u5927\uff0c\u8bc1\u660e\u53ea\u6709\u90e8\u5206Mn(IV)\u88ab\u8fd8\u539f\u3002\u7c7b\u4f3c\u7684\u632f\u8361\u66f2\u7ebf\u4f34\u968f\u660e\u663e\u7684\u5e45\u503c\u964d\u4f4e\uff0c\u8868\u660e\u6539\u6027\u7684\u590d\u5408\u7269\u5177\u6709\u4e0d\u540c\u7684\u5c40\u90e8\u539f\u5b50\u6392\u5217\u3002\u901a\u8fc7\u5bf9\u5e94\u7684\u5085\u91cc\u53f6\u8f6c\u6362\uff08FTs\uff09\uff0c\u8fdb\u4e00\u6b65\u8bc1\u5b9e\u5b58\u5728\u5e45\u503c\u964d\u4f4e\u7684\u60c5\u51b5\u3002\u70ed\u5904\u7406\u540e\uff0cCMO\/S-300\u6837\u54c1\u5cf0\u5f3a\u5ea6\u4f4e\u4e8e\u672a\u70ed\u5904\u7406\u7684CMO\u5cf0\u5f3a\u5ea6\uff0c\u5f52\u56e0\u4e8eCMO\/S-300\u8868\u9762\u7ed3\u6784\u7684\u65e0\u5e8f\uff0c\u786b\u5316\u5904\u7406\u540e\u6700\u9760\u8fd1Mn\u539f\u5b50\u7684\u6c27\u539f\u5b50\u88ab\u8fd8\u539f\uff0c\u5728CMO\/S-300\u4e2d\u5f62\u6210\u4e86\u6c27\u7a7a\u4f4d\u3002<\/p>\n

\u56fe7\u3001<\/strong><\/p>\n

\"\"<\/p>\n

a) Mn K-\u8fb9\u7f18XANES\u66f2\u7ebf\uff0cMn K-\u8fb9\u7f18EXAFS\u632f\u8361\u51fd\u6570\uff08\u63d2\u56fe\uff09\uff0cb)CMO\u548cCMO\/S-300\u5bf9\u5e94\u7684\u5085\u91cc\u53f6\u8f6c\u6362[7]<\/sup>\u3002<\/p>\n

2.7 \u7535\u5b50\u987a\u78c1\u5171\u632f(EPR)\u5149\u8c31<\/h4>\n

\u8be5\u6280\u672f\u53c8\u79f0\u4e3a ESR\uff08\u7535\u5b50\u81ea\u65cb\u5171\u632f\uff09\u6280\u672f\uff0c\u662f\u76f4\u63a5\u68c0\u6d4b\u548c\u7814\u7a76\u542b\u6709\u672a\u6210\u5bf9\u7535\u5b50\u987a\u78c1\u6027\u7269\u8d28\u7684\u4e00\u79cd\u78c1\u5171\u632f\u6280\u672f\u3002\u542b\u6709\u672a\u6210\u5bf9\u7535\u5b50\u7684\u6750\u6599\u5185\u90e8\u5b58\u5728\u81ea\u7531\u57fa\u3001\u591a\u79cd\u8fc7\u6e21\u91d1\u5c5e\u79bb\u5b50\uff0c\u6216\u8005\u7f3a\u9677\u3002\u81ea\u7531\u7535\u5b50\u7684\u5bff\u547d\u901a\u5e38\u5f88\u77ed\uff0c\u4f46\u5b83\u4eec\u5728\u8bb8\u591a\u8fc7\u7a0b\u4e2d\u4ecd\u7136\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u6bd4\u5982\u5149\u5408\u4f5c\u7528\u3001\u6c27\u5316\u4f5c\u7528\u3001\u50ac\u5316\u4f5c\u7528\u3001\u805a\u5408\u53cd\u5e94\u7b49\u7b49\u3002\u76ee\u524d\uff0c\u53ea\u6709 EPR \u6280\u672f\u53ef\u4ee5\u660e\u786e\u68c0\u6d4b\u672a\u6210\u5bf9\u7535\u5b50\u3002\u8367\u5149\u68c0\u6d4b\u7b49\u5176\u5b83\u6280\u672f\u53ea\u80fd\u63d0\u4f9b\u6709\u5173\u81ea\u7531\u57fa\u7684\u95f4\u63a5\u8bc1\u636e\uff0c\u53ea\u6709 EPR \u624d\u80fd\u786e\u5207\u5730\u8bc1\u660e\u81ea\u7531\u57fa\u7684\u5b58\u5728\u3002\u6b64\u5916\uff0cEPR \u8fd8\u62e5\u6709\u68c0\u51fa\u5e76\u9274\u5b9a\u987a\u78c1\u7269\u8d28\u7684\u72ec\u7279\u80fd\u529b\u3002EPR \u6837\u54c1\u5bf9\u5c40\u90e8\u73af\u5883\u975e\u5e38\u654f\u611f\u3002\u56e0\u6b64\uff0c\u8be5\u6280\u672f\u53ef\u63d0\u4f9b\u6709\u5173\u672a\u6210\u5bf9\u7535\u5b50\u9644\u8fd1\u7684\u5206\u5b50\u7ed3\u6784\u7684\u4fe1\u606f\u3002<\/p>\n

Huang\u7b49[8]<\/sup>\u5c06\u539f\u59cbLi2<\/sub>MnO3<\/sub>\u00b7LiNi1\/3<\/sub>Co1\/3<\/sub>Mn1\/3<\/sub>O2<\/sub>\uff08PLR-NCM\uff09\u6b63\u6781\u6750\u6599\u7528CO2<\/sub>\u6c14\u4f53\u76f4\u63a5\u5904\u7406\uff0c\u4f7f\u6676\u683c\u4e2d\u7684\u6c27\u4e0eCO2<\/sub>\u53cd\u5e94\uff0c\u5f97\u5230\u6750\u6599\u8868\u9762\u542b\u6709\u4e30\u5bcc\u7684\u9884\u751f\u6210\u6c27\u7a7a\u4f4d\u7684\u6b63\u6781\u6750\u6599\uff08MLR-NCM\uff09\u3002\u91c7\u7528EPR\u5206\u6790\u53d1\u73b0PLR-NCM\u4e2d\u5b58\u5728\u8f83\u591a\u672a\u914d\u5bf9\u7535\u5b50\u3002\u7ecf\u8fc7CO2<\/sub>\u6c14\u4f53\u5904\u7406\u4e4b\u540e\uff0c\u672a\u914d\u5bf9\u7535\u5b50\u7684\u6570\u91cf\u660e\u663e\u51cf\u5c11\u3002\u5bcc\u9502\u5c42\u72b6\u6c27\u5316\u7269\u8868\u9762\u7684\u6c27\u7a7a\u4f4d\uff0c\u6709\u5229\u4e8e\u9502\u79bb\u5b50\u548c\u7535\u5b50\u7684\u6269\u6563\uff0c\u540c\u65f6\u4e5f\u80fd\u6291\u5236\u6c27\u6c14\u7684\u91ca\u653e\uff0c\u4f7f\u5f97\u6750\u6599\u5177\u6709\u66f4\u9ad8\u7684\u653e\u7535\u5bb9\u91cf\u548c\u500d\u7387\u6027\u80fd\uff0c\u8be5\u6b63\u6781\u6750\u6599\u572855\u2103\u4e0b\u7684\u53ef\u9006\u5bb9\u91cf\u9ad8\u8fbe321mAh\/g\u3002<\/p>\n

\u56fe8\u3001<\/strong><\/p>\n

\"\"<\/p>\n

a) \u6c27\u7a7a\u4f4d\u5f62\u6210\u7684\u5904\u7406\u793a\u610f\u56fe\uff1bb-e) PLR-NCM\u548cMLR-NCM\u7684XRD\u3002 SEM\uff1af)\u78b3\u9178\u916f\u524d\u9a71\u4f53\uff1bg) PLR-NCM; h) CO2<\/sub>\u5904\u7406\u540e\u7684\u6750\u6599\uff1bi) MLR-NCM[8]<\/sup>\u3002<\/p>\n

\u56fe9\u3001<\/strong><\/p>\n

\"\"<\/p>\n

a) FTIR\u8c31\u56fe,\u4e2d\u95f4\u6001\u6837\u54c1\u7ecf\u8fc7CO2<\/sub>\u5904\u7406\uff0c\u4f46\u662f\u6ca1\u6709\u7ecf\u8fc7\u6c34\u6d17\uff0c\u7ea2\u5916\u8c31\u56fe\u51fa\u73b0\u4e09\u4e2a\u5bf9\u5e94-CO3<\/sub>\u7684\u7ea2\u5916\u6d3b\u6027\u5cf0\uff1bXPS\u8c31\u56fe\uff1ab) O 1s\uff0cc) C 1s\uff1bd) PLR-NCM\u548cMLR-NCM\u6b63\u6781\u6750\u6599\u572814dB\u4e0b\u7684EPR\u8c31[8]<\/sup>\u3002<\/p>\n

2.8 \u70ed\u91cd\u6cd5<\/h4>\n

\u70ed\u91cd\u6cd5\u662f\u5728\u7a0b\u5e8f\u63a7\u5236\u6e29\u5ea6\u4e0b\uff0c\u6d4b\u91cf\u7269\u8d28\u8d28\u91cf\u4e0e\u6e29\u5ea6\u5173\u7cfb\u7684\u4e00\u79cd\u6280\u672f\u3002\u70ed\u91cd\u6cd5\u540c\u6837\u53ef\u4ee5\u7528\u4e8e\u8868\u5f81\u6c27\u7a7a\u4f4d\u3002\u8be5\u65b9\u6cd5\u5f97\u5230\u7684\u4fe1\u606f\u5305\u62ec\u5438\u9644\u3001\u964d\u89e3\u7b49\u7269\u7406\u73b0\u8c61\u3002\u6c27\u7a7a\u4f4d\u5728\u9ad8\u6e29\u6761\u4ef6\u4e0b\u80fd\u88ab\u6c27\u586b\u5145\uff0c\u56e0\u6b64\u6750\u6599\u7684\u8d28\u91cf\u4f1a\u53d1\u751f\u6539\u53d8\u3002\u8fd9\u79cd\u53d8\u5316\u5728TG\u66f2\u7ebf\u4e0a\u4f1a\u5f97\u5230\u4f53\u73b0[9]<\/sup>\u3002<\/p>\n

\u56fe10\u3001\u8d85\u8584Bi2<\/sub>MoO6<\/sub>\u7eb3\u7c73\u7247\u548c\u4f53\u76f8Bi2<\/sub>MoO6<\/sub>\u7684(a) XRD, (b)Raman, (c) Mo 3d\u7684\u9ad8\u5206\u8fa8XPS\uff0c(d) O1s\u7684XPS\uff0c(e) EPR\u548c(f) TG\u66f2\u7ebf<\/span>[9]<\/sup>\u3002<\/span><\/strong><\/p>\n

\"\"<\/p>\n

3\u3001\u5c0f\u7ed3<\/h3>\n

\u00a0\u00a0\u00a0\u00a0\u6c27\u7a7a\u4f4d\u7684\u8868\u5f81\u65b9\u6cd5\u591a\u6837\u3002\u91c7\u7528\u5408\u9002\u7684\u8868\u5f81\u65b9\u6cd5\uff0c\u80fd\u8ba9\u6211\u4eec\u5bf9\u6750\u6599\u7684\u7f3a\u9677\u548c\u7a7a\u4f4d\u6709\u66f4\u6df1\u523b\u7684\u8ba4\u8bc6\uff0c\u8fdb\u800c\u5efa\u7acb\u8d77\u7ed3\u6784\u548c\u6027\u80fd\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u4ee5\u4fbf\u66f4\u52a0\u7cbe\u51c6\u3001\u6709\u6548\u5730\u8bbe\u8ba1\u548c\u8c03\u63a7\u6750\u6599\u7684\u6c27\u7a7a\u4f4d\u3002<\/p>\n

4\u3001\u53c2\u8003\u6587\u732e<\/h3>\n

[1] Defect-Engineered Ultrathin \u03b4-MnO2<\/sub>Nanosheet Arrays as Bifunctional Electrodes for Efficient Overall Water Splitting, DOI: 10.1002\/aenm.201700005, Adv. Energy Mater. 2017, 7, 1700005.<\/p>\n

[2] What are the adsorption sites for CO on the reduced TiO2<\/sub>(110)-1\u00d71 surface?\uff0cDOI\uff1a1021\/ja902259k, J.Am.Chem.Soc, 2009, 131, 7958-7959.<\/p>\n

[3] Bifunctional catalytic material: an ultrastable and high-performance surface defect CeO2<\/sub> nanosheets for formaldehyde thermal oxidation and photocatalytic oxidation, DOI: 10.1016\/j.apcatb.2015.08.047, Appl. Catal. B Environ., 2016, 181, 779-787.<\/p>\n

[4] Boosting the photocatalytic performance of (001) BiOI: enhancing donor density and separation efficiency of photogenerated electrons and holes, DOI: 10.1039\/C6CC00903D, Chem. Commun., 2016, 52, 5316-5319.<\/p>\n

[5] Ultrathin FeOOH Nanolayers with Rich Oxygen Vacancies on BiVO4<\/sub> Photoanodes for Efficient Water Oxidation, DOI: 10.1002\/ange.201712499, Angew. Chem. Int. Ed..<\/p>\n

[6] Vacancy associates promoting solar-driven photocatalytic activity of ultrathin bismuth oxychloride nanosheets, DOI:10.1021\/ja402956f, J. Am. Chem. Soc., 2013, \u00a0135, 10411-10417.<\/p>\n

[7] Electronic and defective engineering of electrospun CaMnO3<\/sub> nanotubes for enhanced oxygen electrocatalysis in rechargeable zinc-air batteries, Adv. Energy Mater., DOI:10.1002\/aenm.201800612, 2018, 8, 1800612.<\/p>\n

[8] Carbon dioxide directly induced oxygen vacancy in the surface of lithium-rich layered oxides for high-energy lithium storage, DOI: 10.1016\/j.jpowsour.2019.05.069, J. Power Sources, 2019, 432, 8-15.<\/p>\n

[9]Ultrathin Bi2<\/sub>MoO6<\/sub> nanosheets for photocatalysis: performance enhancement by atomic interfacial engineering, DOI:10.1002\/slct.201800908, ChemistrySelect, 2018, 3, 7423-7428.<\/p>\n

\u672c\u6587\u7531\u5c0f\u4e50\u8001\u5e08<\/strong>\u4f9b\u7a3f\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1: tougao*cailiaoren.com.<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaorenVIP.<\/p>\n","protected":false},"excerpt":{"rendered":"

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