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Spectroscopic observation of H2 migration in structure-I clathrate hydrate

  • Energy and Environmental Engineering
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Abstract

We demonstrate the spectroscopic observation of H2 migration in the binary structure-I (sI) clathrate hydrate. The H2 molecules captured into sI small cage (sI-S) at lower temperature migrate to sI large cage (sI-L) through shared pentagonal face of 51262 cage. The hexagonal faces of 51262 cage provide the windows essential for creating continuous diffusion paths for H2 molecules. It is essential to realize that the vacant channels formed by the linkage of specific cages can play an important role in guest diffusion pathways and occupancy occurring in a complex clathrate hydrate matrix.

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Authors and Affiliations

  1. Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 335 Gwahangno, Yuseong-gu, Daejeon, 305-701, Korea

    Sukjeong Choi, Kyuchul Shin, Jong-Ho Cha & Huen Lee

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  1. Sukjeong Choi
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  2. Kyuchul Shin
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  3. Jong-Ho Cha
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  4. Huen Lee
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Correspondence to Huen Lee.

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Choi, S., Shin, K., Cha, JH. et al. Spectroscopic observation of H2 migration in structure-I clathrate hydrate. Korean J. Chem. Eng. 25, 1397–1400 (2008). https://doi.org/10.1007/s11814-008-0229-5

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  • DOI: https://doi.org/10.1007/s11814-008-0229-5

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