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	/