Abstract
Pillar[5]arene-based cross-linked microporous polymer ( P[5]A-MPP ) was synthesized via Friedel-crafts polymerization reaction. P[5]A-MPP exhibited high iodine vapor capture capability (3.84 g g −1 ) at 80 °C. Detailed UV–vis spectroscopic analysis revealed the rapid removal of iodine from water. This work highlights the efficient iodine adsorption efficiency in vapor phase, as well as rapid removal of iodine from aqueous solution and the recyclability of pillar[5]arene-based 3D cross-linked microporous polymer. Pillar[5]arene macrocycle-based cross-linked polymer was synthesized and used for iodine adsorption to capture iodine both in vapour phase as well as aqueous solution. The pillar[5]arene based polymer adsorbent showed remarkable recyclability at least five times without losing the efficiency. • Pillar[5]arene-based polymer ( P[5]A-MPP ) is a potential material for the removal of iodine from water. • P[5]A-MPP capture iodine in vapor phase with an iodine uptake capacity of 3.84 g/g. • P[5]A-MPP displayed excellent iodine adsorption capability per unit SBET of 13.6 wt/(m 2 /g). • P[5]A-MPP can remove >83% of iodine during the initial 15 min upon shaking. • P[5]A-MPP showed remarkable recyclability at least five times without losing efficiency.
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