Table 1 Comparison of four months aged PSMPs with freshly prepared PSMPs, regarding particle size determined by DLS, zeta potential, emission spectra, and PLQY.
Unstained PSMPs |
QD-loaded, polymerization |
QD-loaded, swelling | |
|---|---|---|---|
Particle size by DLS in µm | |||
After synthesis | 2.00 ± 0.25 | 2.46 ± 0.40 | 2.69 ± 0.51 |
After four months | 1.88 ± 0.15 | 1.78 ± 0.13 | 1.07 ± 0.17 |
Zeta potential by DLS in mV | |||
After synthesis | − 48 ± 2 | − 49 ± 1 | − 22 ± 2 |
After four months | − 40 ± 4 | − 40 ± 1 | − 24 ± 3 |
PLQY in % | |||
After synthesis | / | 24% | 48% |
After four months | / | 15% | 31% |
Emission spectra | / |
|
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