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Organized Nanostructured Complexes of Inorganic Clusters and Surfactants That Exhibit Thermal Solid-State Transformations

机译:无机簇和表面活性剂的有机纳米结构复合物,表现出热固态转变

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摘要

Facile organization of the inorganic crown-shaped [Ni_3P_3S_12]~(3-) ion (1) into room-temperature liquid-crystalline materials by complexation with double-tail ammonium surfactants is achieved by the ionic self-assembly (ISA) route. Small-angle X-ray diffraction, UV/Vis spectroscopy, and ~31P NMR analyses reveal that these complexes show an interesting solid-state structure transition. Upon heating, the inorganic crown species polymerizes to the inorganic polyelectrolyte ~-1_(propor. to)[NiPS_4]~-. This structural transition is reversible, and involves a solvent/dissolution cycle. The facile preparation and facile optional induction of phase and facile optional induction of phase and structural changes make these complexes candidates for a number of applications in which cooperative, metastable switching with sufficient contrast of optical and solid-state properties is required.
机译:无机冠状[Ni_3P_3S_12]〜(3-)离子(1)通过与双尾铵表面活性剂络合,可以容易地组织成室温液晶材料,这是通过离子自组装(ISA)途径实现的。小角X射线衍射,UV / Vis光谱和〜31P NMR分析表明,这些络合物显示出有趣的固态结构转变。加热后,无机冠物质会聚合成无机聚电解质〜-1_(与之成正比)[NiPS_4]〜-。这种结构转变是可逆的,并且涉及溶剂/溶解循环。容易的制备和容易的相诱导以及相和结构的改变容易使这些络合物成为许多应用的候选物,在这些应用中,需要具有光学和固态特性的足够对比的协同,亚稳切换。

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