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Figure 1
Scanning electron microscopy image of the hierarchical porous silica sample, showing the framework built by struts which contain hexagonally ordered mesopores. The empty space in between the struts in the size regime of 100 nm–1 µm is attributed to macropores.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 50| Part 5| October 2017| Pages 1404-1410
https://doi.org/10.1107/S1600576717012274
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