Fig. 2

Nano-characterization of MSNs and CSH. (a) N2 adsorption-desorption isotherm plot of MSNs; (b) BET surface area analysis of MSNs derived from the isotherm data; (c) BJH pore size distribution plot of MSNs; (d) XRD pattern of MSNs, confirming the mesoporous structure; Particle size distribution and zeta potential of (e, f) MSNs and (g, h) β-GP crosslinked CSH with incorporated MSNs