Fig. 6

Fluorescence emission spectra of Ag-NPs (\(9.30\times {10}^{-4})\) M using a orange collected in different spaced periods, b orange collected from different regions
Fluorescence emission spectra of Ag-NPs (\(9.30\times {10}^{-4})\) M using a orange collected in different spaced periods, b orange collected from different regions