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Time-dependent gas-liquid interaction in molecular-sized nanopores.


ABSTRACT: Different from a bulk phase, a gas nanophase can have a significant effect on liquid motion. Herein we report a series of experimental results on molecular behaviors of water in a zeolite β of molecular-sized nanopores. If sufficient time is provided, the confined water molecules can be "locked" inside a nanopore; otherwise, gas nanophase provides a driving force for water "outflow". This is due to the difficult molecular site exchanges and the relatively slow gas-liquid diffusion in the nanoenvironment. Depending on the loading rate, the zeolite β/water system may exhibit either liquid-spring or energy-absorber characteristics.

SUBMITTER: Sun Y 

PROVIDER: S-EPMC4189019 | biostudies-other | 2014

REPOSITORIES: biostudies-other

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