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(a,e) PL spectra and (b,f) normalized UV–vis spectra and (c,g) PL lifetime of the AIS-2MPA-3 and AIS-PEI/2MPA-1 QDs at the 1st day and 3rd month of their synthesis, respectively. The inset shows the fit parameters of the decay curves. (d,h) Colloidal stability of the AIS-2MPA-3 and AIS-PEI/2MPA-1 QDs at different time points following its synthesis.
