Abstract
AbstractPorous nanohybrids of cationic Mg‐Al‐LDH 2D nanosheets and anionic polyoxometalate (POM, V10O286– and W7O246–) 0D nanoclusters are synthesized by an exfoliation–reassembling process. The electrostatically derived reassembling between two kinds of nanostructures yields a layer‐by‐layer‐ordered intercalation structure with porous structures composed of mesopores and micropores. The hybridization with POM leads to the remarkable enhancement of CO2 adsorption capacity (adsorptivity) of Mg‐Al‐LDH by about 10‐fold. Of prime importance is that the CO2 adsorptivity of the nanohybrid is strongly dependent on the type of guest POM species, strongly suggesting that the CO2 adsorptivity of the LDH‐based nanohybrid materials can be optimized by ones selection of guest species. The present study clearly demonstrates that the exfoliation–reassembling method is quite effective at enabling synthesis of new LDH nanosheet‐based hybrid materials with improved CO2 adsorption capabilities.
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