采用非水溶剂快速挥发法,以表面活性剂和酚醛树脂为结构导向剂和碳前驱体制备介孔炭.通过透射电镜、氮吸附-脱附和扫描电镜对产品的结构进行了表征.结果表明:所制介孔炭具有高度有序的二维六方结构.表面活性剂与酚醛树脂的配比对介孔炭的有序性有较大的影响,当其质量比高于1:0.25时,可保持良好的有序度.随着比值的减小,有序度逐渐降低.与蔗糖液相浸渍法相比,非水体系快速挥发法所制介孔炭具有较少的外微及大孔.
参考文献
[1] | Beck J S;Vartuli J C;Roth W J et al.A new family of mesoporous molecular sieves prepared with liquid crystal templates[J].Journal of the American Chemical Society,1992,114(27):10834-10843. |
[2] | Ryoo R;Joo S H;Jun S .Synthesis of highly ordered carbon molecular sieves via template-mediated structural transformation[J].Journal of Physical Chemistry B,1999,103(37):7743-7746. |
[3] | 陆安慧,Wolfgang Schmidt,Ferdi Schüth.结构有序、双重孔隙中孔炭材料的合成与表征[J].新型炭材料,2003(03):181-185. |
[4] | Kim J;Lee J;Hyeon T .Direct synthesis of uniform mesoporous carbons from the carbonization of as-synthesized silica/triblock copolymer nanocomposites[J].Carbon: An International Journal Sponsored by the American Carbon Society,2004(12/12):2711-2719. |
[5] | Lee J;Kim J;Lee Y et al.Simple synthesis of uniform mesoporous carbon with diverse structures from mesostructured polymer/silica nanocomposites[J].Chemistry of Materials,2004,16:3323-3330. |
[6] | Li L;Song H;Chen X.Ordered mesoporous carbon from the carbonization of sulfuric acid-treated silica/triblock copolymer/sucrose composites[J].Microporous and Mesoporous Materials,2006:9-14. |
[7] | 刘献斌,刘中民,常福祥,曲丽红,桑石云,张阳阳.以含模板剂的中孔MCM-41为模板合成类碳纳米管材料[J].新型炭材料,2006(03):237-242. |
[8] | X. Liu;F. Chang;L. Xu .Synthesis and characterization of a new nanoporous carbon material with a bimodal pore system[J].Carbon: An International Journal Sponsored by the American Carbon Society,2006(1):184-190. |
[9] | 刘贵阳,黄正宏,康飞宇.沸石矿为模板制备多孔炭的研究[J].新型炭材料,2005(01):13-17. |
[10] | LU Y.;GANGULI R.;DREWIEN C. A.;ANDERSON M. T.;BRINKER C. J.;GONG W.;GUO Y.;SOYEZ H.;DUNN B.;HUANG M. H.;ZINK J. I. .CONTINUOUS FORMATION OF SUPPORTED CUBIC AND HEXAGONAL MESOPOROUS FILMS BY SOL GEL DIP-COATING[J].Nature,1997(6649):364-368. |
[11] | Zhao D.;Melosh N.;Feng J.;Chmelka BF.;Stucky GD.;Yang P. .Continuous mesoporous silica films with highly ordered large pore structures[J].Advanced Materials,1998(16):1380-138+. |
[12] | Jun S.;Ryoo R.;Kruk M.;Jaroniec M.;Liu Z.;Ohsuna T. Terasaki O.;Joo SH. .Synthesis of new, nanoporous carbon with hexagonally ordered mesostructure[J].Journal of the American Chemical Society,2000(43):10712-10713. |
[13] | Joo S H;Choi S J;Oh I et al.Ordered nanoporous arrays of carbon supporting high dispersions of platinum nanoparticles[J].Nature,2001,412:169-172. |
[14] | Shunai Che;Kristina Lund;Takashi Tatsumi;Sumio Iijima;Sang Hoon Joo;Ryong Ryoo;Osamu Terasaki .Direct Observation of 3D Mesoporous Structure by Scanning Electron Microscopy (SEM): SBA-15 Silica and CMK-5 Carbon[J].Angewandte Chemie International Edition,2003(19):2182-2185. |
[15] | An-Hui Lu;Wen-Cui Li;Wolfgang Schmidt et al.Easy synthesis of an ordered mesoporous carbon with a hexagonaily packed tubular structure[J].CARBO,2004,42:2939-2948. |
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