Size, Stability, and Porosity of Mesoporous Nanoparticles Characterized with Light Scattering

Table 3 Average sizes, comparisons, and specific surface area of PSi and silica nanoparticles

Sample	R _e	σ	R _g	R _h	R _h/R _e	R _g/R _h	SSA_BET
	nm		nm	nm			m²/g
pPSi_190	72.1	0.36	80.2	94.1	1.31	0.85	188
nPSi_390	55.3	0.35	93.5	91.2	1.65	1.03	393
nPSi_350	57.5	0.30	81.8	84.4	1.47	0.97	354
nPSi_310	–	–	81.3	86.6	–	0.94	312
nPSi_480	69.3	0.29	98.8	97.1	1.40	1.02	475
P-MSN	33.6	0.19	78.6	75.9	2.26	1.04	412
S-SN	24.6	0.17	68.0	61.0	2.48	1.11	–
L-SN	52.1	0.16	74.1	78.5	1.51	0.94	–
R-MSM	81.8	0.11	73.0	93.9	1.15	0.78	–
H-MSN	190.7	0.22	179.5	215	1.13	0.83	–

R _e and σ represent average particle radius and geometric standard deviation from TEM size distributions log-normal fit. Number of studied particles and adj. R ² values can be found from supplementary material. R _g is radius of gyration from SLS and R _h hydrodynamic radius from DLS. SSA_BET is specific surface area calculated from nitrogen sorption measurements according to BET theory