【摘要】 丙稀酰胺为单体,N,N’-亚甲基双丙稀酰胺为网络剂,通过高分子网络法制备固体电解 质纳米SrCe0.90Y0.10O2.95粉体,制得粉体粒度范围在31~50 nm。利用X-射线衍射测定 其结构,通过透射电镜测量其形貌。由红光谱可以得知粉体中的网络剂和单体在450℃以 上才能完全分解,通过X-射线衍射可以知道在650℃时主要合成了Ce2Y2O7、Ce2Sr2O5、 和CeO2三相,在1 000℃时已经基本形成较完整的晶体结构。更多还原

【Abstract】 Nanometer-sized SrCe0.90Y0.10O2.95 powder was synthesized by the polyacrylamide gel method. The acrylamide was used as monomer, N, N’-methylenebisacrylamide was used as lattice reagent. The particle-diameter distribution of SrCe0.90Y0.10O2.95powder was from 31to 50 nm. We use X-ray diffraction (XRD) to measure the structure of the powders. The transmission electron microscope (TEM) was used to measure morphological structure of the powders. The conclusion was made that at 650℃ there were triple phases including Ce2Y2O7. Ce2Sr2O5 and CeO2. At 1 000℃ the crystal structure was formed basically according the photographanalysis of TEM dark field. But we can’t gain one phase of SrCe0.90Y0.10O2.95 powder finally.更多还原