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- W2620718197 abstract "A series of polyvinylpyrrolidone/zinc oxide (PVP/ZnO) composites with different loading amounts of PVP was prepared by an impregnation method. Successful formation of the composites was analyzed by the Fourier transform infrared (FTIR), diffuse reflectance ultraviolet-visible (DR UV-Vis) and fluorescence spectroscopies. Prepared composites were then further tested as fluorescence sensors by conducting quenching studies in the presence of nitrite ions (NO2−). Among the prepared composites, the ZnO with 1% PVP exhibited the highest sensing performance for the NO2−detection (Ksv = 0.07 µM-1). The efficiency of the composite was ca. 1.7 and 1.4 times higher than the bare ZnO and the best composite prepared by the physical mixing method, respectively. These results suggested that impregnation method is a suitable method to prepare the PVP/ZnO composites as fluorescence sensor for the NO2−detection." @default.
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- W2620718197 date "2017-05-01" @default.
- W2620718197 modified "2023-09-27" @default.
- W2620718197 title "Fluorescence Sensing of Nitrite Ions on Polyvinylpyrrolidone/Zinc Oxide Composites Prepared by Impregnation Method" @default.
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- W2620718197 doi "https://doi.org/10.1088/1757-899x/202/1/012086" @default.
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