在温和碱性条件下,以十六烷基三甲基溴化铵为模板剂,正硅酸乙酯为硅源,三嵌段共聚物F127为助剂,制备出粒径为60～80 nm的单分散纳米介孔二氧化硅MCM-41.研究了F127的用量对介孔结构和纳米粒子分散性的影响.结果表明,适量的非离子表面活性剂F127具有助模板剂的作用,可以有效地提高纳米介孔粉体的有序性;过量的F127阻碍六方介孔相的形成,降低样品的有序性.F127与十六烷基三甲基溴化铵的摩尔比在0.04～0.08范围内,可以得到有序性好、孔径均一和孔隙率大的单分散纳米介孔二氧化硅MCM-41.
参考文献
| [1] | C.T.Kresge, M.E.Leonowicz, W.J.Roth, Nature, 359, 710(1992) |
| [2] | J.S.Beck, J.C.Vartuli, W.J.Roth., J. Am. Chem. Soc., 114, 10834(1992) |
| [3] | P.T.Tanev, T.J.Pinnavaia, Science, 267, 865(1995) |
| [4] | I.A.Aksay, M.Trau, S.Manne, Science, 273, 892(1996) |
| [5] | D.Zhao, P. Yang, G.D.Stucky, Adv. Mater., 10, 1380(1998) |
| [6] | M.T.Anderson, J.E.Martin, J.Odinek, Microporous Mater., 10(1), 13(1997) |
| [7] | QI Kai, YANG Zhenzhong, YANG Yunxin, Chemical Journal of Chinese Universities, 23(2), 339(2002)(齐凯,杨振忠,杨运信,高等学校化学学报,23(2),339(2002)) |
| [8] | Q. Huo, J.Feng, Adv. Mater., 9(12), 974(1997) |
| [9] | Q.Huo, J.Feng, F.Schuth, Chem. Mater., 9(1), 14(1997) |
| [10] | Qiang Cai, Zhong Sheng-Luo, Wen Qin-Pang, Chem. Mater., 13, 258(2001) |
| [11] | XU Dichun, HAO Xiaochun, ZHU Yihui, Journal of The Chinese Ceramic Society, 20(1), 48(1992)(许迪春,郝晓春,朱宜惠,硅酸盐学报,20(1),48(1992)) |
| [12] | LI Wei, WANG Hongzhi, GAO lian,Journal of The Chinese Ceramic Society, 28(1), 57(2000)(李蔚,王宏志,高廉,硅酸盐学报,28(1),57(2000)) |
| [13] | LI Wei, GAO Lian, GUO Jingkun, Journal of Inorganic Materials, 14(1), 161(1999)(李蔚,高廉,郭景坤,无机材料学报,14(1),161(1999)) |
| [14] | FANG Xiaolong, YANG Chuanfang, CHEN Jiayong, Journal of The Chinese Ceramic Society, 26(6),732(1998)(方小龙,杨传芳,陈象镛,硅酸盐学报,26(6),732(1998)) |
| [15] | SHI Jianlin, GAO Jianhua, LIN Zhuxiang, Journal of The Chinese Ceramic Society, 17(5), 417(1989)(施剑林,高建华,林祖镶,硅酸盐学报,17(5),417(1989)) |
| [16] | LIU Jifu, WU Houzheng, Journal of The Chinese Ceramic Society, 24(1), 105(1996)(刘继富,吴厚政,硅酸盐学报,24(1),105(1996)) |
| [17] | BU Lintao, SHAO Qing, DAI Lerong, Chemical Journal of Chinese Universities, 21(6), 852(2000)(卜林涛,邵青,戴乐蓉,高等学校化学学报,21(6),852(2000)) |
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