Abstract
In the present work, Ag@AgCl-reinforced cellulose composites with enhanced antibacterial and photocatalytic degradation properties were successfully synthesized via oil bath heating method. During the process, zinc chloride (ZnCl2) solution was used as both Cl− resource to form AgCl and the solvent to dissolve cellulose. The samples were synthesized with different temperatures, times, and concentrations of ZnCl2 solution. The morphology, microstructure and phase of the as-prepared samples were analyzed with X-ray powder diffraction (XRD), fourier transform infrared (FTIR) spectrometry, scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HR-TEM), X-ray photoelectron spectroscopy (XPS), photocatalytic activity studies and inhibition zone experiments. Results showed that dye solution could be completely degraded by the materials in 1 h, and higher concentrations of ZnCl2 solution favored for larger inhibition zones (higher to 10.8 mm). This synthetic strategy displayed here offers more possibilities to high value-added applications of cellulose.
Highlights
In the present work, Ag@AgCl-reinforced cellulose composites with enhanced antibacterial and photocatalytic degradation properties were successfully synthesized via oil bath heating method
We focused on the green, in-situ synthesis of Ag@AgCl-reinforced cellulose composites materials, wherein no other additives were added
There is a slight difference for the sample synthesized at 60 °C, a weak peak of (111) plane of crystallized Ag was observed in Fig. 1b, the densities of Ag peaks become stronger with increasing temperatures was observed in Fig. 1c, implying that the heating temperature can slightly influence the phases of the composites
Summary
Ag@AgCl-reinforced cellulose composites with enhanced antibacterial and photocatalytic degradation properties were successfully synthesized via oil bath heating method. The as-synthesized Ag@AgCl-reinforced cellulose composites exhibited a superhigh antibacterial properties against both Staphyloccus aureus (S. aureus) and Escherichia coli (E. coli), and excellent photocatalytic degradation activity for methylene blue (MB) solution, suggesting that the materials could be used as effective growth inhibitors against microorganisms and extending the potential application in biomedical and water environment pollution field.
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