Exfoliation & Intercalation route for advanced nanomaterial
Two-dimensional layered crystals consisting of thin crystalline layers with a thickness of molecular scale can be regarded as an ideal nanohybrid matrix. Nanohybrids, defined as a composite that two disparate nanoscale materials with two different functions are blended in an organized way on the nanoscale level, exhibit extraordinarily high synergetic and complementary behavior between the two component materials (below Figure). Usually the thin inorganic crystalline layers are stacked by van der Waals and/or weak electrostatic interactions, and a variety of foreign chemical species are inserted as guests into the interlayer spaces by intercalation route to form layered nanohybrids. Therefore, the proper selection of host layers and guest species and their combination on the molecular level enable us to control the nanostructure and physicochemical properties of resultant hybrid materials. This means that the tailor-made materials can be obtained by fine-tuning the host and guest molecules.
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