Figure 5From: Binary and Ternary Heterometallic (La3+, Gd3+, Y3+)–Eu3+ Functionalized SBA-15 Mesoporous Hybrids: Chemically Bonded Assembly and PhotoluminescenceThe N2 adsorption/desorption isotherms for SUASi-SBA-15, Eu-SUASi-SBA-15 and phen-Eu-SUASi-SBA-15Back to article page