Journal
CHEMICAL SCIENCE
Volume 6, Issue 1, Pages 384-389Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4sc02502d
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Funding
- Institute for Atom-efficient Chemical Transformations (IACT), an Energy Frontier Research Center - U.S Department of Energy, Office of Science, Office of Basic Energy Sciences
- NSF [DGE-0824162]
- NSF-NSEC
- NSF-MRSEC
- Keck Foundation
- state of Illinois
- Northwestern University
- DOE
- NSF
- Micromeritics Instrument Corporation
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Porous organic polymers (POPs) possessing meso- and micropores can be obtained by carrying out the polymerization inside a mesoporous silica aerogel template and then removing the template after polymerization. The total pore volume (tpv) and specific surface area (ssa) can be greatly enhanced by modifying the template (up to 210% increase for tpv and 73% for ssa) as well as by supercritical processing of the POPs (up to an additional 142% increase for tpv and an additional 32% for ssa) to include larger mesopores. The broad range of pores allows for faster transport of molecules through the hierarchically porous POPs, resulting in increased diffusion rates and faster gas uptake compared to POPs with only micropores.
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