title: 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.
authors.affiliation: State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing, 100084, P.R. China.
authors.forename: Yueting
authors.initials: Y
authors.lastname: Sun
authors.affiliation: State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing, 100084, P.R. China.
authors.forename: Penghui
authors.initials: P
authors.lastname: Li
authors.affiliation: Department of Structural Engineering, University of California - San Diego, La Jolla, CA 92093-0085, USA.
authors.forename: Yu
authors.initials: Y
authors.lastname: Qiao
authors.affiliation: State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing, 100084, P.R. China.
authors.forename: Yibing
authors.initials: Y
authors.lastname: Li