Abstract
Developing multi-functional porous organic polymers (POPs) to solve metal ions environmental pollution still faces challenges. In this work, two-dimensional (2D) and three-dimensional (3D) porphyrin-based porous polyaniline derivatives were obtained by chemical oxidation polymerization. Benefiting from their large pore structure, good hydrophilic properties and excellent coordination ability, they showed excellent adsorption properties. The adsorption results show that they have high adsorption selectivity and efficiency for Au3+ ions. The maximum adsorption efficiency of Au3+ ions was 99.7%, and the maximum adsorption capacity was 1152 mg g−1. The adsorption mechanism was investigated and discussed, providing theoretical support for the design of novel porphyrin-based POPs for Au3+ ions adsorption. This work opens up a new path for the development of novel porphyrin-based POPs.
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