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. 2022 Feb 1;61(6):2846–2863. doi: 10.1021/acs.inorgchem.1c03298

Table 2. Effect of the Different Reaction Variables on the Properties of the AIS-PEI/2MPA QDs.

sample AIS-PEI/2MPA-1 AIS-PEI/2MPA-2 AIS-PEI/2MPA-3 AIS-PEI/2MPA-4 AIS-PEI/2MPA-5 AIS-PEI/2MPA-6 AIS-PEI/2MPA-7
Ag/S ratio 1/10 1/10 1/2.5 1/10 1/5.5 1/1.25 1/10
Ag/In ratio 1/10 1/4 1/4 1/0.25 1/10 1/4 1/2
cations/S ratio 1.1 0.5 2 0.5 2 4 0.3
λemia (nm) 617 640 618 774 618 655 638
bandgap (eV) 2.74 2.4 2.57 2.02 2.15 2.12 2.24
Eub (meV) 138 149 144 167 168 151 150
FWHMc (nm) 147 177 147 105 139 240 189
Dh-numberd (nm) 7.7 ± 0.9 12.7 ± 0.4 10.5 ± 0.6 11.9 ± 0.4   8.2 ± 1.3 57.9 ± 3.7
Dh-intensitye (nm) 27.9 ± 4.1 26.3 ± 2.2 37.9 ± 10.3 60.4 ± 6.8   17.6 ± 8.7 99.1 ± 10.3
zeta potential (mV) 10.7 ± 2.1 8.1 ± 1 9.8 ± 0.3 16.4 ± 0.9   20.9 ± 3.2 –4.9 ± 1.7
QY (%) 20.3 ± 1.4 15.6 ± 0.9 7.9 ± 0.4        
a

Emission maxima.

b

Urbach energy.

c

Full-width at half-maximum of the emission peak.

d

Hydrodynamic diameter measured by DLS and reported as the number average.

e

Hydrodynamic diameter measured by DLS and reported as the intensity average.