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A high quality crystalline porous coordination polymer (PCP), Fe(OH)(1,4-NDC)·2H2O (1,4-NDC = 1,4-naphthalenedicarboxylate), was successfully prepared using a rapid and efficient microwave irradiation method (hereafter termed M-PCP-Fe). It was noteworthy that the microwave irradiation method reduced the reaction time considerably to 1 min, while it took three days for the conventional hydrothermal method to prepare non-uniform crystal morphologies in a one-pot manner (hereafter termed H-PCP-Fe). The effects of microwave irradiation time, temperature and concentration were also investigated. According to the CO2 adsorption isotherms, it was found that M-PCP-Fe had a better performance on CO2 adsorption than H-PCP-Fe under the same conditions. This approach is expected to be widely used in large scale production of PCPs.

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