Porous organic polymers based on melamine and 5,5′-bis(bromomethyl)-2,2′-bipyridine: functionalization with lanthanide ions for chemical sensing and highly efficient adsorption of methyl orange

Abstract

Microporous POP-1 has been successfully synthesized and displays a remarkable capability to selectively adsorb and separate MO dyes. Furthermore, Eu³⁺@POP-1 can be easily prepared by the postsynthetic incorporation of Eu³⁺ cations into the framework, which can not only serve as a platform for recognition of Fe³⁺ and methanol, but can also be used as a new ratiometric pH sensor.