Surfactant-Free Synthesis of Ag Nanoparticles Loaded ZIF-8 as a Catalytic Filter Device for Continuous Reduction of 4-Nitrophenol

A novel strategy for integration of Ag nanoparticle onto the surface of ZIF-8 without the use of any surfactant was reported, where Ag+ was dispersed into the ZIF-8 matrix by competitive coordination first, and then reduced by NaBH4. The resulted 0.8Ag@ZIF-8-RE could be further fabricated as a catalytic filter device with excellent performance for continuous reduction of 4-nitrophenol.Graphical Abstract