Abstract
Multifunctional textiles were fabricated by one-step in-situ synthesis of zeolite imidazole skeleton-8 (ZIF-8) on polydopamine (pDA) templated cotton fabrics. A homogenous distribution of ZIF-8 nanoparticles on cotton fiber surface was achieved as per surface morphology study by SEM and TEM, and the heterogeneous nucleation mechanism of depositing the dense ZIF-8 film on pDA-templated cotton fabrics was proposed. FTIR spectra, XPS, and XRD have indicated the presence and confirmed the chemical composition of ZIF-8 on coated cotton fabrics. The fabricated ZIF-8/cotton fabrics showed excellent photocatalysis for Methylene blue decomposition under ultraviolet radiation, and the photocatalysis mechanism was discussed. In addition, the coated fabrics showed robust antimicrobial activity towards Escherichia coli. This facile and affordable fabrication method based on dopamine and ZIF-8 is promising for large-scale production of multifunctional textiles.
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