利用溶胶-凝胶法制备了SrFe0.7 Cu0.3O3-δ混合导体透氧膜材料粉体,采用TG-DSC、XRD进行分析表征,考察了不同制备条件下溶胶.凝胶的性质、所制备的粉体的物相组成.结果表明:溶胶在pH=4左右、脱水温度80℃、柠檬酸与总金属离子物质的量配比C/Mn+=2、干凝胶在900℃下焙烧保温5 h,可制得结晶度高、具有单一稳定钙钛矿结构的粉体.
参考文献
| [1] | Teraoka Y;Zhang H;Yamazoe N .Mixed ionic-electronic conductivity of La1-xSrxCo1-yFeyO3-δ perovskite-type oxides[J].Materials Research Bulletin,1988,23(01):51. |
| [2] | Qiu L.;Liu LM.;Yang YL.;Jacobson AJ.;Lee TH. .OXYGEN PERMEATION STUDIES OF SRCO0.8FE0.2O3-DELTA[J].Solid state ionics,1995(3/4):321-329. |
| [3] | 张国光,刘卫,谢津桥,陈初升,彭定坤.SrFe1.5-xCoxOy混合导体的制备及氧化扩散研究[J].硅酸盐学报,2000(01):20-24. |
| [4] | Grunbaum N;Mogni L;Prado F;Caneiro A .Phase equilibrium and electrical conductivity of SrCo0.8Fe0.2O3-delta[J].International Journal of Quantum Chemistry,2004(7):2350-2357. |
| [5] | Wang H H;Cong Y;Yang W S .Investigation on the partial oxidation of methane to syngas in a tubular Ba0.5Sr0.5Co0.8 Fe0.2O3-δ membrane reactor[J].Catalysis Today,2003,82(1-4):157-166. |
| [6] | Tong J H;Yang W S;Cai R et al.Investigation on the structure stability and oxygen permeability of titanium-doped perovskite-type oxides of BaTi0.2CoxFe0.8-xO3-δ(x=0.2-0.6)[J].Separation and Purification Technology,2003,32(1-3):289-299. |
| [7] | Tan L;Y L;Gu X et al.Influence of the size of doping ion on phase stability ond oxygen permesbility of SrCo0.8 Fe0.2O3-δ oxide[J].Journal of Membrane Science,2004,230:21-27. |
| [8] | Yang L;Gu X H;Tan L et al.Role of ZrO2 addition on oxygen transport and stability of ZrO2-promoted SrCo0.4Fe0.6O3-δ[J].Separation and Purification Technology,2003,32(1-3):301-306. |
| [9] | F.M. Figueiredo;V.V. Kharton;A.P. Viskup;J.R. Frade .Surface enhanced oxygen permeation in CaTi_(1-x)Fe_xO_(3-δ) ceramic membranes[J].Journal of Membrane Science,2004(1/2):73-80. |
| [10] | Zhu X F;Wang H H;Yang W S.Novel cobatl-free oxygen permeable membrone[J].Chemical Communications,2004(09):1130-1131. |
| [11] | 邵宗平,熊国兴,杨维慎.系统选择钙钛矿型透氧膜材料[J].无机材料学报,2001(02):297-304. |
| [12] | 郑文君,赵鸿喜,徐明明,彭定坤,孟广耀.Sr1-xBixFeO3-δ（x0.50）的柠檬酸盐法制备和导电性[J].无机材料学报,2000(03):452-455. |
| [13] | 胡恒亮;穆祥祺.X射线衍射技术[M].北京:纺织工业出版社,1988 |
| [14] | 吴凤清.纳米晶La1-xSrxFeO3的合成及气敏特性的研究[J].高等学校化学学报,1994(06):803. |
| [15] | 于涛;吴越;吕光烈 等.钙钛矿型复合氧化物La1-xSrxFeO3-λ催化性能研究[J].中国科学b辑,1988,18(04):351-358. |
| [16] | 刘清青,王振峰,彭奎庆.SrFeO3-x的高温氧吸附等温线[J].郑州大学学报(自然科学版),2000(02):44. |
| [17] | 陈永红,魏亦军,刘杏芹,孟广耀.La1-xSrxFeO3-δ系钙钛矿材料的表征和性能[J].无机化学学报,2006(01):31-36. |
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