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活化温度对CuBTC催化CO氧化反应性能的影响(英文) 被引量:5

Effect of Activation Temperature on Catalytic Performance of CuBTC for CO Oxidation
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摘要 考察了金属有机骨架材料CuBTC(BTC为均苯三酸)催化CO氧化的反应性能,发现CuBTC对CO氧化反应表现出良好的催化活性,且CuBTC样品的活化温度对其催化活性的影响很大.原位漫反射红外光谱、粉末X射线衍射、扫描电镜、热重分析和差示扫描量热结果表明,CO在CuBTC骨架中不饱和金属位点上的配位是加速CO氧化的主要原因,且这种不饱和金属位点越多,其催化活性越高. CuBTC(BTC = benzene-1,3,5-tricarboxylate),an metal-organic framework(MOF),is active for CO oxidation.The activation temperature has a significant effect on its activity.In-situ diffuse reflectance Fourier transform infrared spectroscopy,powder X-ray diffraction,scanning electron microscopy,and thermogravimetric analysis and differential scanning calorimetry(TGA/DSC) characterization showed that the coordination of CO on the open metal sites occurred during the oxidation reaction,and more open metal sites in the CuBTC framework gave a higher activity.
出处 《催化学报》 SCIE EI CAS CSCD 北大核心 2012年第6期986-992,共7页
基金 supported by the National High Technology Research and Development Program (863 Program,2009AA063201) the Funding Project for Academic Human Resources Development in Institutions of Higher Learning Under the Jurisdiction of Beijing Municipality (PHR201107104)~~
关键词 金属有机骨架材料 铜均苯三酸 一氧化碳 活化条件 气固催化 metal-organic framework copper benzene-1,3,5-tricarboxylate carbon monoxide activation condition gas-solid catalysis
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