Acid fuchsin-interleaved Mg–Al-layered double hydroxide for the formation of an organic–inorganic hybrid nanocomposite

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Layered organic–inorganic hybrid nanocomposite, containing an organic dye in an inorganic interlayer was prepared using acid fuchsin (AF) as a guest in Mg–Al layered double hydroxide inorganic host by a self-assembly technique, with the Mg–Al ratio in the mother liquor of 4 and pH=7.5. Powder X-ray diffractogram shows that the basal spacing of the Mg–Al layered double hydroxide with nitrate as the intergallery anion expanded from 8.9 to 17.1 Å to accommodate the AF anion, for the formation of the Mg–Al layered double hydroxide-AF layered organic–inorganic hybrid nanocomposite (MAAF). Formation of such a material is useful for example for coating or controlled release purposes of dye for slow dyeing process.