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XPS Study on Thermal Stability of Heteropoly Complexes of Rare Earth 12-Tungstenphosphate which 1-2 type

Liu Shizhong; Wang Enbo; Wang Zuoping(Dept. of chem. Northeast Normal University, Changchun, 130024)  
The thermal stability of LnH3(PW12O40)2· XH2O (Written as LnH3(PW12)2 ·XH2O Ln=La, Ce, Nd, Sm, Eu, Gd) in air was studied by XPS as well as TG-DTA. IR and solubility of different temperatures. It was found that the order of the thermal stability of these heteropoly complexes as follows: LaCeNdSmEuGd. We have found that the thermal stability of LnH3 (PW12), could be correlated linearly with both the counter ion and the O1s binding energies.
【Fund】: 国家自然科学基金
【CateGory Index】: O645.164
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