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Enrichment of Oxygen Molecules Containing 17O, 18O on the Surface of CdO
Jin Zhensheng1, Xue Jinzhen2, Chen Zhengshi2, Yang Tinglu2
1.Laboratory of Lubrication and Functional Materials, Henan University, Kaifeng 475001 Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000;2.Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000
Abstract:
The phenomenon of 17O, 18O enrichment in the surface layer of CdO was investigated by means of temperature-programmed desorption-ion-trap detector (TPD-ITD), quadrupole mass spectrometer(QMS), X-ray photoelectron spectroscopy (XPS), X-ray diffraction(XRD)etc.The results obtained showed that the Cd(OH)2-CdCO3 surface layer of CdO possesses the ability of selective inclusion of oxygen molecules containing 17O, 18O in air.
Key words:  CdO, Oxygen isotope enrichment, Ion-trap detector, Coadsorption of CO2 and O2
FundProject:
空气中含 17O、18O的氧分子在CdO表面的富集
金振声*1, 薛锦珍2, 陈正石2, 杨廷录2
1.河南大学润滑与功能材料重点实验室,开封 475001 中国科学院兰州化学物理研究所,兰州 730000;2.中国科学院兰州化学物理研究所,兰州 730000
摘要:
利用热脱附-离子捕获检测器(TPD-ITD)、四极质谱(QMS)、X光电子能谱(XPS)、X光衍射(XRD)等方法,研究了在CdO表面层中17O、18O的富集现象。所获结果显示,CdO表面Cd(OH)2-CdCO3层在形成过程中对含17O、18O的氧分子有选择包结能力。
关键词:  氧化镉  氧同位素富集  离子捕获检测  CO2和O2共吸附
DOI:10.1088/1674-0068/14/2/237-245
分类号: