采用季胺盐作为结构模板剂,在水热条件下合成了Sn掺杂的有序多孔氧化锆材料.通过XRD、FT-IR、HRTEM、UV-Vis吸收、N2吸附等分析手段对材料性能进行了表征.结果表明:金属锡能均匀地掺杂于规则的介孔氧化锆骨架中;锡掺量小于10%(物质的量分数,下同)时,可以提高无机墙体氧化锆的缩合程度,有利于提高材料的比表面积和热稳定性;当锡掺量介于10%～30%之间时,锡也能很好的进入氧化锆骨架中,不会析出氧化锡纳米晶,但随着锡掺量增加,孔道长程有序度、比表面积、热稳定性都会降低.
参考文献
| [1] | Kresge C T;Leonowicz M E;Roth W J et al.Ordered mesoporous molecular sieves synthesized by a liquid-crystal template mechanism[J].Nature,1992,359:710-712. |
| [2] | Moller K.;Bein T. .Inclusion chemistry in periodic mesoporous hosts [Review][J].Chemistry of Materials,1998(10):2950-2963. |
| [3] | 曲琛,李三喜,赵效忠,翟辉.酸性条件下介孔分子筛MCM-41的合成与表征[J].硅酸盐通报,2006(04):15-17. |
| [4] | 赵军平,王树国,巩雁军,吴东,孙予罕.超临界条件下合成晶型骨架的介孔氧化锆[J].高等学校化学学报,2000(12):1797. |
| [5] | Chang-Lin Chen;Soofin Cheng;Hong-Ping Lin;She-Tin Wong;Chung-Yuan Mou .Sulfated zirconia catalyst supported on MCM-41 mesoporous molecular sieve[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2001(1/2):21-30. |
| [6] | Hang-Rong Chen;Jian-Lin Shi;Zi-Le Hua .Parameter control in the synthesis of ordered porous zirconium oxide[J].Materials Letters,2001(3):187-193. |
| [7] | Huang Y Y;McCarthy T J;Sachtler W M H .Preparation and catalytic testing of mesoporous sulfated zirconium dioxide with partially tetragonal wall structure[J].Applied Catalysis A:general,1996,148(01):135-154. |
| [8] | E. Zhao;S. E. Hardcastle;G. Pacheco;A. Garcia;A. L. Blumenfeld;J. J. Fripiat .Aluminum-doped mesoporous zirconia obtained from anionic surfactants[J].Microporous and Mesoporous Materials,1999(1/2):9-21. |
| [9] | Hang-Rong Chen;Jian-Lin Shi;Jian Yu;Lian-Zhou Wang;Dong-Sheng Yan .Synthesis of titanium-doped ordered porous zirconium oxide with high-surface-area[J].Microporous and Mesoporous Materials,2000(1/2):171-176. |
| [10] | 陈航榕,施剑林,张文华,阮美玲,严东生.钛掺杂有序多孔氧化锆的研究[J].无机材料学报,2001(03):465-469. |
| [11] | Mamak M.;Ozin G.;Coombs N. .Mesoporousyttria-zirconia and metal-yttria-zirconia solid solutions for fuel cells[J].Advanced Materials,2000(3):198-202. |
| [12] | 陈航榕,施剑林,杨勇,李蕾,阮美玲,严东生.钇掺杂介孔氧化锆材料的合成与表征[J].化学学报,2003(09):1441-1443. |
| [13] | 陈航榕,刘志成,闫继娜,步文博,施剑林,严东生.钯负载介孔氧化锆基复合催化材料的合成与表征[J].化学学报,2006(08):789-792. |
| [14] | M. Soliman Selim .Room temperature sensitivity of (SnO_(2)-ZrO_(2)) sol-gel thin films[J].Sensors and Actuators, A. Physical,2000(1/2):76-80. |
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