Chemistry Research Group: Access in Nanoporous Layered Materials

小行星9224102 该团体奖是在先进材料和 处理程序，以支持合作研究 教授Pannavaia，Kanatzavia，Golding，Mahanti和Thorpe 在密歇根州立大学。支持由 化学部。研究的一个主要主题是访问 在纳米多孔层状材料中。的具体要素 研究将是控制孔径，结构修饰 的层柱夹层，并研究了 微观层面上制约准入的结构和动态因素 和介孔系统。 一整套合成的， 将采用表征和理论方法。 将要研究的典型系统是绿土粘土， 层状双氢氧化物和纳米多孔金属硫属化物。 第二个主题是设计、综合和 层状硅酸盐和硅酸的表征 异质结构层状硅酸盐将在 不同溶剂化能的两种离子被分离 变成有规律的交替画廊， 自我组装这些有序的异质结构包含 疏水烷基鎓离子和亲水无机阳离子 将非常适合于酸催化和宾主 化学.另一类将被合成的材料 其特征在于， 通过模板化的廊道内水解-缩合反应， 手性硅酸盐在液体胺的存在下。性质 胺的量将决定孔结构和尺寸。 这些手性材料将适合作为催化剂， 不对称合成和光学异构体分离。 %纳米多孔层状材料具有很高的技术价值 在催化和分离中具有潜在的重要性， 电子、光学和结构应用。 ***

9224102 Pinnavaia This group award is made in the Advanced Materials and Processing Program in support of the collaborative research of Professors Pannavaia, Kanatzidis, Golding, Mahanti and Thorpe at Michigan State University. Support is provided by the Chemistry Division. One major theme of the research is access in nanoporous layered materials. Specific elements of the research will be control of pore size, structural modification of the layers by pillaring intercalants, and a study of structural and dynamical factors which govern access in micro- and mesoporous systems. A full complement of synthetic, characterization and theoretical approaches will be employed. Typical systems which will be studied are smectite clays, layered double hydroxides and nanoporous metal chalcogenides. A second major theme is the design, synthesis and characterization of layered silicate and silicic acid heterostructures. Layered silicates will be synthesized in which two ions of different solvation energies are segregated into regularly alternating galleries by spontaneous self-assembly. These ordered heterostructures containing hydrophobic alkyl onium ions and hydrophilic inorganic cations will be well suited for acid catalysis and guest-host chemistry. Another class of materials which will be synthesized and characterized are layered silicic acid derivatives formed by templated intragallery hydrolysis-condensation reactions of chiral silicates in the presence of liquid amines. The nature of the amine will determine the pore structure and size. These chiral materials will be suitable as catalysts for asymmetric synthesis and for separation of optical isomers. %%% Nanoporous layered materials are of high technological interest in catalysis and separations and are potentially important in electronic, optical and structural applications. ***