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首页> 外文期刊>Crystal growth & design >Fabrication of Cactus Rod-like Mesoporous Alumina with Ionic Liquid-Supramolecular Gelator as Cotemplate
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Fabrication of Cactus Rod-like Mesoporous Alumina with Ionic Liquid-Supramolecular Gelator as Cotemplate

机译：用离子液 - 超分子胶凝胶制备仙人掌棒状介孔氧化铝作为CoTemplate

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摘要

An amino acid ionic liquid tetramethylammonium glycinate ([N-1111] [Gly]) and an organic supramolecular gelator N-lauroyl-L-glutamic acid di-n-butylamide (GP-1) were used as structure-directing agents for the fabrication of mesoporous alumina with diverse morphologies via a solvothermal synthetic method. The irregular sheets and hierarchical clusters were respectively prepared with only [N-1111] [Gly] or GP-1/EW as the template, whereas a distinct cactus rod-like morphology with interlaced lateral plates was constructed with [N-1111] [Gly] and GP-1 as the cotemplate. The cotemplate synergistic effects of [N-1111] [Gly] and GP-1 on the morphology tailoring of alumina have been investigated in depth. A self-assembly mechanism based on the bilayer arrangement model was proposed to be responsible for the formation of final cactus rod-like alumina. The intermolecular H-bonds between the GP-1 molecule and [N-1111] [Gly]-AlOOH hybrids was found to be the main driving force for the axial growth of initial nanocrystals, and the growth of the nanocrystals in lateral orientation was inhibited due to the stereohindrance effect of [N-1111] [Gly].
机译：使用氨基酸离子液体四甲基铵甘油酸（[N-1111] [GLY]）和有机超分子凝胶壶N-月桂酰基-L-谷氨酸二正丁基酰胺（GP-1）作为制造的结构引导剂通过溶剂热合成方法具有多种形态的中孔氧化铝。分别用[N-1111] [N-1111]或GP-1 / Ew作为模板制备不规则的片材和分层簇，而用[N-1111]构建具有相互扫描的横向板的不同的仙人掌棒状形态。[n-1111] gly]和gp-1作为cotemplate。 [N-1111] [GLY]和GP-1对氧化铝的形态定制的COTEMPLEX协同作用已经深入研究。提出了一种基于双层布置模型的自组装机构，负责形成最终仙人掌棒状氧化铝。 GP-1分子和[N-1111] [GLY] - 卤素杂交物之间的分子间H键是初始纳米晶体的轴向生长的主要驱动力，并且抑制了横向取向的纳米晶体的生长由于[n-1111] [gly]的立体疗效。

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  • 来源
    《Crystal growth & design》 |2018年第9期|共7页
  • 作者

    Lei Xuanxuan; Liu Tuanchun; Tang Shaokun;

  • 作者单位

    Tianjin Univ Sch Chem Engn &

    Technol Minist Educ Key Lab Green Chem Technol Tianjin 300072 Peoples R China;

    Tianjin Univ Sch Chem Engn &

    Technol Minist Educ Key Lab Green Chem Technol Tianjin 300072 Peoples R China;

    Tianjin Univ Sch Chem Engn &

    Technol Minist Educ Key Lab Green Chem Technol Tianjin 300072 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 晶体学;
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