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  • Capillary filling in closed end nanochannels

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    Author(s)
    Phan, Vinh Nguyen
    Nguyen, Nam-Trung
    Yang, Chun
    Joseph, Pierre
    Djeghlaf, Lyes
    Bourrier, David
    Gue, Anne-Marie
    Griffith University Author(s)
    Nguyen, Nam-Trung
    Year published
    2010
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    Abstract
    We investigated the interactions between liquid, gas, and solid phases in the capillary filling process of closed-end nanochannels. This paper presents theoretical models without and with absorption and diffusion of gas molecules in the liquid. Capillary filling experiments were carried out in closed-end silicon nanochannels with different lengths. The theoretical and measured characteristics of filling length versus time are compared. The results show that the filling process consists of two stages. The first stage resembles the capillary filling process in an open-end nanochannel. However, a remarkable discrepancy between ...
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    We investigated the interactions between liquid, gas, and solid phases in the capillary filling process of closed-end nanochannels. This paper presents theoretical models without and with absorption and diffusion of gas molecules in the liquid. Capillary filling experiments were carried out in closed-end silicon nanochannels with different lengths. The theoretical and measured characteristics of filling length versus time are compared. The results show that the filling process consists of two stages. The first stage resembles the capillary filling process in an open-end nanochannel. However, a remarkable discrepancy between the experimental results and the theory without gas absorption is observed in the second stage. A closer investigation of the second stage reveals that the dissolution of gas in the liquid is important and can be explained by the model with gas absorption and diffusion.
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    Journal Title
    Langmuir
    Volume
    26
    Issue
    16
    DOI
    https://doi.org/10.1021/la1010902
    Copyright Statement
    This document is the Accepted Manuscript version of a Published Work that appeared in final form in Langmuir, copyright 2010 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see dx.doi.org/10.1021/la1010902
    Subject
    Chemical engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/62223
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    • Journal articles

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