Effect of calcination temperature on the conductivity of Sm and Cu co-doped ceria

被引：0
|
作者：
Sawangprom, Anuchit [1 ]
Duangsa, K. [1 ]
Tangtrakarn, A. [1 ]
机构：
[1] Khon Kean Univ, Dept Phys, Fac Sci, Khon Kean 40002, Thailand
来源：
SIAM PHYSICS CONGRESS 2018 (SPC2018): A CREATIVE PATH TO SUSTAINABLE INNOVATION | 2018年 / 1144卷
关键词：
D O I：
10.1088/1742-6596/1144/1/012174
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The impact of different calcination temperature (550, 650, 750 and 850 degrees C) on the structural/electrical properties of sintered Cu/Sm co-doped CeO2 prepared by sol-gel combustion were studied. Structural properties were studied by X-ray diffraction (XRD), Raman spectroscopy and ultraviolet-visible spectroscopy (UV-VIS). The composition, oxidation state and electrical conductivity of sintered samples were investigated by photoelectron spectroscopy (XPS) and electrochemical impedance spectroscopy (EIS), respectively. With the increasing calcination temperature, both the oxygen vacancy and Ce3+ increase. Therefore, the highest conductivity was obtained for samples calcined at 850 degrees C.
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页数：6
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