Journal
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
Volume 30, Issue 8, Pages 3084-3094Publisher
SPRINGER
DOI: 10.1007/s10904-020-01469-x
Keywords
Chitosan-silicate; Composites; Sol-gel method; Optical band gap; Antimicrobial behavior
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A nanosheets containing chitosan (CS) and bioactive P2O5:SiO2/Al2O3 were prepared by the sol-gel method. The nanosheets were characterized by XRD, FE-SEM, FT-IR and optical studies. FE-SEM displayed a nano-clustering and dense structure with promising morphology. The optical results reveal that the incorporation of Al2O3 nanoparticles within the phosphosilicate/chitosan system was successfully cross-linked and create a change in the internal electronic structure. The optical band gap increased from 3.6 to 3.8 eV with increasing Al2O3 content. The antimicrobial effectiveness for chitosan/phosphosilicate/(0.6, 0.9 mol.%)Al2O3 nanosheets exhibited remarkable enhancement in the antimicrobial activities that candidates it for spectroscopic and bio-applications.
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