期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 318, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2022.123730
关键词
Bismuth vanadium oxide; BISIPVOX; XRD; Ionic conductivity
The solid solution of general formula Bi4V2-xSix/2Px/2O11-delta (0.0 <= x <= 0.5) was synthesized and characterized using XRD, SEM, FTIR, ATD, Raman spectroscopy and Electrochemical Impedance Spectroscopy. The study found that compounds with x <= 0.3 have the same crystal structure as the monoclinic alpha polymorph, while the compound with x = 0.4 crystallizes in the beta polymorph. The electrical conductivity of the substituted samples was measured as a function of composition in the temperature range from 25 to 700 degrees C. In the low temperature range, the doped compounds exhibited higher conductivity than the parent compound Bi4V2O11. The highest conductivity was obtained for x = 0.1.
The solid solution of general formula Bi4V2-xSix/2Px/2O11-delta (0.0 <= x <= 0.5) has been synthesized and characterized by XRD, SEM, FTIR, ATD, Raman spectroscopy and Electrochemical Impedance Spectroscopy. The present study showed that compounds with x <= 0.3 are isostructural with the monoclinic alpha polymorph, while the compound with x = 0.4 is crystallize with the beta polymorph. In the temperature range from 25 to 700 degrees C, the electrical conductivity of the substituted samples has been measured as a function of composition. In the low temperature range, the conductivity of the doped compounds is higher than that of the parent compound Bi4V2O11. The highest conductivity was obtained for x = 0.1.
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