Figure 2From: Structure and Photoluminescent Properties of ZnO Encapsulated in Mesoporous Silica SBA-15 Fabricated by Two-Solvent StrategyLow-angle XRD patterns of the extracted SBA-15 (curve A), the 8 wt% ZnO/SBA-15 nanocomposite (curve B), the 15 wt% ZnO/SBA-15 nanocomposite (curve C), and the 20 wt% ZnO/SBA-15 nanocomposite (curve D)Back to article page