以十六烷基三甲基溴化铵为模板剂、甲酰胺为共溶剂、正硅酸乙酯为硅源,室温下在HCl介质中合成了纤维状、圆盘状和花卉状等多种混合形貌的介孔二氧化硅.采用XRD、SEM、TEM等方法对样品进行表征,探讨了HCl用量对产物形貌的影响.结果表明,增加HCl用量会导致孔间距减小,但有助于提高介孔结构有序性和纤维状形貌的产率；过低的HCl用量条件下介孔二氧化硅不能形成规则外形.
参考文献
| [1] | Slowing II;Vivero-Escoto JL;Wu CW;Lin VS .Mesoporous silica nanoparticles as controlled release drug delivery and gene transfection carriers.[J].Advanced drug delivery reviews,2008(11):1278-1288. |
| [2] | F. de Clippel;A. Harkiolakis;T. Vosch .Graphitic nanocrystals inside the pores of mesoporous silica: Synthesis, characterization and an adsorption study[J].Microporous and mesoporous materials: The offical journal of the International Zeolite Association,2011(1/3):120-133. |
| [3] | Yu C;Fan J;Tian B et al.Morphology development of mesoporous materials:a cilloidal phase separation mechanism[J].Chemistry of Materials,2004,16(05):889-898. |
| [4] | Sajo P. Naik;Igor Sokolov .Synthesis of mesoporous silica fibers and discoids endowed with circular pore architecture using disodium trioxosilicate as silica source[J].Microporous and Mesoporous Materials,2008(1/3):581-585. |
| [5] | 丁志杰,陈君华,公旭中,程年寿.酸的种类及浓度对SBA-15有序介孔分子筛结构与形貌的影响[J].硅酸盐学报,2008(07):978-984. |
| [6] | 李中凯,席红安,钱雪峰,印杰,朱子康.碱性条件下二氧化硅介孔颗粒的形态控制[J].无机材料学报,2003(05):1102-1106. |
| [7] | Lin, H.;Qu, F.;Wu, X.;Xue, M.;Zhu, G.;Qiu, S. .Mixed surfactants-directed the mesoporous silica materials with various morphologies and structures[J].Journal of Solid State Chemistry,2011(6):1415-1420. |
| [8] | Dongyuan Zhao;Jinyu Sun;Quanzhi Li;Galen D.Stucky .Morphological Control of Highly Ordered mesoporous Silica SBA-15[J].Chemistry of Materials,2000(2):275-279. |
| [9] | Xiao Q;Wang J;Zhou H .Low temperature effect on the morphological control of mesoporous silica nanofibers at near-neutral pH:A bilmimetic strategy[J].Microporous and Mesoporous Materials,2008,109:233-238. |
| [10] | 党文修,韩书华,许军,闫欣,侯万国.甲酰胺对有序介孔二氧化硅形貌的影响[J].无机化学学报,2004(06):679-682. |
| [11] | 陈君华,丁志杰,陈忠平,郭雨,王飞.钛、银原位改性六方介孔硅HMS材料的表征及性能[J].硅酸盐通报,2011(01):44-49. |
| [12] | 姜东梅,于辉,黄凤晓.微波法合成（SBA-15） -Et2O3纳米复合材料研究[J].硅酸盐通报,2011(04):759-763. |
| [13] | 庞雪蕾,唐芳琼.不同酸对介孔二氧化硅球表面形貌和介相结构的影响[J].无机化学学报,2004(08):895-900. |
| [14] | 赵春霞,陈文,刘琦,田高.HCl对有序介孔氧化硅结构与形貌的影响[J].物理化学学报,2006(10):1201-1205. |
| [15] | Lin H;Mou C .Structural and morphological control of cationic suractant-templated mesoporous silica[J].Accounts of Chemical Research,2002,35:927-935. |
| [16] | 王连洲,禹剑,施剑林,严东生.合成条件对介孔氧化硅材料孔径尺寸的影响[J].硅酸盐学报,1999(01):22-27. |
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