Abstract

Bifunctional Ionic Covalent Organic Networks Incorporation of guanidinium units as anion receptors and redox-active phenol functionalities in covalent organic network (iCON, illustrated as a layered material) promotes a synergistic ion-exchange and redox process that leads to efficient sequestration of toxic chromium(VI) and arsenic(V)-based oxoanions in water and their subsequent conversion into chromium(III)-arsenic(V)-based clusters with lower toxicity and solubility. More details can be found in article number 2104703 by Ping Li, Santa Jansone-Popova, and-co-workers.

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