Mapping nanocavities in plugged SBA-15 with confined silver nanostructures

• Plugged SBA-15 samples with different pore sizes and degrees of plugging were prepared.
• Different Ag structures were obtained inside pores, depending on the silica structure.
• Ag nanostructures allowed visualization and quantification of the nanocavity dimensions.
• Spatial distribution of the plugs in the pores assessed using silver structures.

Silver nanostructures inside the pores of SBA-15 and plugged SBA-15 were synthesized and imaged, providing for the first time quantitative information about the nanocavity dimensions and plug distributions in plugged SBA-15.

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