Figure 4From: Luminescent Organic–Inorganic Hybrids of Functionalized Mesoporous Silica SBA-15 by Thio-Salicylidene Schiff BaseN2 ad sorption/desorption isotherms (top) and the pore diameter distributions (bottom) of pure SBA-15 (a), BSTC/SBA-15 (b) and BSTC-SBA-15 (c)Back to article page