Table 1.

BET method-assisted textural properties and dynamic light scattering (DLS)-based zeta potential values of various samples of Cu-MSNs.

Sample	BET Surface Area (m²/g)	Pore Volume (cm³/g)	Pore Size (nm)	Particle Size (nm)	Zeta potential (mV)
Pristine Cu-MSNs	436	0.81	2.18	140.5	32.8 ± 1.3
Cu-MSN-ext	1317	1.89	2.76	187.1	−17.5 ± 1.1
Cu-MSN-TET	1133	1.65	2.26	246.5	−30.8 ± 1.5
PEI-SNP@Cu-MSN-TET	445	0.95		256.8	32.0 ± 0.7