Journal
NATURE CHEMISTRY
Volume 1, Issue 2, Pages 123-127Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NCHEM.166
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Funding
- Institute of Bioengineering and Nanotechnology (Biomedical Research Council, Agency for Science, Technology and Research, Singapore)
- Swedish Research Council
- Swedish Governmental Agency for Innovation Systems (VINNOVA)
- Carl-Trygger Foundation
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0822838] Funding Source: National Science Foundation
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Ordered porous materials with unique pore structures and pore sizes in the mesoporous range (2-50 nm) have many applications in catalysis, separation and drug delivery. Extensive research has resulted in mesoporous materials with one-dimensional, cage-like and bi-continuous pore structures. Three families of bi-continuous mesoporous materials have been made, with two interwoven but unconnected channels, corresponding to the liquid crystal phases used as templates. Here we report a three-dimensional hexagonal mesoporous silica, IBN-9, with a tri-continuous pore structure that is synthesized using a specially designed cationic surfactant template. IBN-9 consists of three identical continuous interpenetrating channels, which are separated by a silica wall that follows a hexagonal minimal surface. Such a tri-continuous mesostructure was predicted mathematically, but until now has not been observed in real materials.
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