Abstract
A highly ordered nanochannel array consisting of giant-ring-shaped polyoxomolybdate (POMo) was prepared via self-assembly of the oxomolybdate monomers. Concentration and pH optimization of the reaction solution favored the self-assembly; the nanochannel structure spontaneously self-constructed during the crystallization process. The obtained crystal showed a highly ordered nanochannel with a diameter of 2.0 nm and no distribution in the channel size. In addition, the material was found to be very stable at ambient temperature in atmospheric air due to the formation of three-dimensional crosslinks via Mo–O–Mo covalent bonds between neighboring molecules in the crystal.
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