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Handedness inversion in preparing mesoporous silica nanoribbons

机译:制备介孔二氧化硅纳米带的手性反转

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A new chiral cationic amphiphile has been synthesized. Sol-gel transcriptions were carried out to control mesoporous silica nanostructures using the organic self-assemblies of this amphiphile as templates. Left-handed coiled mesoporous silica nanoribbons were obtained in the mixture of 1-propanol and 2.5 wt% NH3 aq. at the ratio of 2: 8 and 0 degrees C. However, right-handed coiled mesoporous silica nanoribbons were prepared in 2.5 wt% NH3 aq. at 25 degrees C. The organization of the low-molecular-weight gelators plays an important role in this handedness inversion.
机译:合成了一种新的手性阳离子两亲物。使用该两亲物的有机自组装体作为模板,进行溶胶-凝胶转录以控制介孔二氧化硅纳米结构。在1-丙醇和2.5 wt%NH3水溶液的混合物中获得左旋卷曲的介孔二氧化硅纳米带。然而,在2.5wt%的NH 3水溶液中制备右旋卷曲的中孔二氧化硅纳米带。在25摄氏度时。低分子量胶凝剂的组织在这种惯用性倒置中起重要作用。

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