以自然沉积的聚甲基丙烯酸甲酯(PMMA)胶体晶体为模板,用一定浓度的氧氯化锆乙醇溶液为前驱体进行填充,最后通过煅烧除去模板得到了三维有序大孔(3DOM)ZrO2材料.从SEM照片观察到,3DOM ZrO2可以看成是PMMA模板的逆复制,孔径大小均匀,排列整齐,整体上呈面心立方结构.孔径在260 nm左右,收缩率约为28%,孔壁填充完全.XRD结果表明,制备的3DOM ZrO2孔壁为单斜晶型,晶粒大小为26 nm.
参考文献
| [1] | Velev OD;Jede TA;Lobo RF et al.Porous Silica via Colloid Crystallization[J].Nature,1997,389(66501):447-448. |
| [2] | Litovsky E.;Shavit A.;Shapiro M. .GAS PRESSURE AND TEMPERATURE DEPENDENCES OF THERMAL CONDUCTIVITY OF POROUS CERAMIC MATERIALS .2. REFRACTORIES AND CERAMICS WITH POROSITY EXCEEDING 30-PERCENT[J].Journal of the American Ceramic Society,1996(5):1366-1376. |
| [3] | Andreas Stein .Sphere templating methods for periodic porous solids[J].Microporous and Mesoporous Materials,2001(0):227-239. |
| [4] | Schroden RC.;Al-Daous M.;Sokolov S.;Melde BJ.;Lytle JC.;Stein A. Carbajo MC.;Fernandez JT.;Rodriguez EE. .Hybrid macroporous materials for heavy metal ion adsorption[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2002(11):3261-3267. |
| [5] | Sakamoto J S;Duun B .Hierarchical Electrodes Based on Inverted Opal Structures[J].Journal of Materials Chemistry,2002,12:2859-2861. |
| [6] | Huang LM.;Sun JY.;Miao L.;Li QZ.;Yan YS.;Zhao DY.;Wang ZB. .Fabrication of ordered porous structures by self-assembly of zeolite nanocrystals[J].Journal of the American Chemical Society,2000(14):3530-3531. |
| [7] | 杨卫亚,郑经堂,谭树成,张艳姝,赵玉翠.聚苯乙烯胶晶模板法制备三维有序大孔SiO2材料[J].硅酸盐通报,2006(03):181-184. |
| [8] | Holland B T;Blanford C F;Stein A .Synthesis of Macmpomus Minerals with Highly Ordered Three-Dimensional Arrays of SphemidM Voids[J].Science,1998,281(5376):538-540. |
| [9] | Holland B T;Blanford C F;Do T et al.Synthesis of Highly Ordered Three Dimensional Macmporous Structures of Amorphous or Crystalline Inorganic Oxides Phosphates and Hybrid Composites[J].Cbem Mater,1999,11(03):795-805. |
| [10] | Fengqiu Tang;Tetsuo Uchikoshi;Yoshio Sakka .A practical technique for the fabrication of highly ordered macroporous structures of inorganic oxides[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2006(2):268-273. |
| [11] | 丛昱,梁东白,林培滋,林励吾.液相沉淀法在有机溶剂中制备ZrO2超细粒子的研究[J].燃料化学学报,1998(03):230-233. |
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