The Study on the Intercalation Chemistry of Layered Oxides for the Potential Use of the Resultant Intercalation Compounds as Functional Materials

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In order to establish the synthetic ways of intercalation compounds having possible application as functional materials, various intercalation compounds were prepared by using appropriate guests and hosts. The following results were obtained.1. A viologen was intercalated into the interlayer space of vanadium pentoxide hydrate chemically (by ionーexchange) and electrochemically.2. When tris (2,2'-bipyridine) metal complexes were allowed to react with K_4Nb_6O_<17>, potassium ions were replaced with the complexes ; however, the tris-form complexes transformed into bisーform ones during the reaction. On the contrary, when potassium ions were exchanged for alkylammonium ions in advance, the complexes were incorporated in the interlayer space as trisーform ones. K_4Nb_6O_<17> has two kinds of interlayers, so that the intercalation compound containing the complexes in one kind of interlayers and that containing in both kinds of interlayes can be prepared.3. When sodium ions in synthetic sodium polysilicate of kanemite were exchanged for trimethylalkylammonium ions, the layers deformed to form three dimensional network. Further heat treatment resulted in the formation of microporous materials having narrow pore size distribution.4. Anionic porphyrin and dyes were successfully intercalated into the interlayer space of hydrotalcite, which has anionーexchange property.5. Some kinds of guests (acrylamide, alkylammonium salts, and alkylamines) were intercalated into montmorillonite by solidーsolid reactions easily. Similarly, 2,2'-bipyridine was intercalated into transition metalーform montmorillonites to form tris (2,2'-bipyridine) metal complexes in the interlayer space.