Journal
ACS MACRO LETTERS
Volume 4, Issue 11, Pages 1239-1243Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsmacrolett.5b00681
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Funding
- Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy [DE-AC02-05CH11231]
- Department of Defense (DoD) through National Science and Engineering Graduate Fellowship Program
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Membranes with selective gas transport properties and good mechanical integrity are increasingly desired to replace current energy intensive approaches to gas separation. Here, we report on the dual enhancement of transport and mechanical properties of hybrid cross-linked poly(ethylene glycol) membranes with aminopropyl-modified silica nanoparticles. CO2 permeability in hybrid membranes exceeds what can be predicted by Maxwell's equation and surpasses values of the pure polymer. Furthermore, dynamic mechanical and thermogravimetric analyses reveal increases in both the storage modulus and thermal stability in hybrid membranes, with respect to silica nanoparticle loading.
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