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Novel 3D copper nanoparticles/chitosan/nanoporous alumina (CCSA) membranes with catalytic activity. Characterization and performance in the reduction of methylene blue

Durán, B. ; Hevia, S.A. ; Molero, L. ; Isaacs, M. ; Bonardd, S. ; Diaz Diaz, D. ; Leiva, A. ; Saldías, C.



Abstract

Herein, we report the surface modification of H2O2-treated nanoporous alumina (anodic aluminum oxide, MO) membranes with chitosan (CS) by a solution casting method. Later, copper nanoparticles were incorporated into this CS-AAO membrane by immersion in an aqueous solution of a copper salt precursor and subsequent reduction using NaBH4. The IR spectra and energy dispersive X-ray spectroscopy (EDS) ...

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