Eleven heteropolytungstophosphate compounds with lanthanon having Dawson structure were prepared, Ln_2[P_2W_(18)O_(62)]·xH_2O(Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Yb).Their structures were studied by IR,UV,polarograp...Eleven heteropolytungstophosphate compounds with lanthanon having Dawson structure were prepared, Ln_2[P_2W_(18)O_(62)]·xH_2O(Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Yb).Their structures were studied by IR,UV,polarography ,X-ray diffraction and X-ray photoelectron spectroscopy.展开更多
文摘Eleven heteropolytungstophosphate compounds with lanthanon having Dawson structure were prepared, Ln_2[P_2W_(18)O_(62)]·xH_2O(Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Yb).Their structures were studied by IR,UV,polarography ,X-ray diffraction and X-ray photoelectron spectroscopy.