期刊
SURFACES AND INTERFACES
卷 25, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.surfin.2021.101191
关键词
CoTiO3; Chitosan; Amylopectin; Amylopectin Photocatalyst; Antimicrobial
类别
资金
- National Natural science Foundation of China, Shanghai science and technology committee
Ag-doped CoTiO3 (Ag-CTO) and Ag-doped CoTiO3/Chitosan-amylopectin (Ag-CTO/CSAP) were prepared using hydrothermal method for photocatalysis, showing a reduction in band-gap energy of Ag-CTO/CSAP nanocomposites and the highest catalytic activity for dye degradation. The nanocomposites have substantial bactericidal and fungicidal properties against specific microorganisms.
The Ag doped CoTiO3 (Ag-CTO) and Ag doped CoTiO3/Chitosan-amylopectin (Ag-CTO/CSAP) were prepared using hydrothermal method for photocatalysis under sunlight irradiation. The optical and morphological properties were studied by different analysis devices. Optical analysis shows a reduction in the band-gap energy of Ag-CTO/CSAP nanocomposites. Photocatalytic activity of the Ag-CTO and Ag-CTO/CSAP was studied. The Ag-CTO/CSAP nanocomposites gained the highest catalytic activity (96.74%) for degradation of Crystal-Violet (CV) dye as an organic dye pollutant under sunlight irradiation in 40 min. This improvement could be due to high surface area, the hybrid effect of the adsorption-degradation process, and decreasing the band-gap energy. Therewith, the Ag-CTO/CSAP nanocomposites have substantial bactericidal and fungicidal properties against P. aeruginosa, S. pneumoniae, A. niger, and C. albicans.
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