Irreversible xenon insertion into a                             small-pore zeolite at moderate pressures and temperatures

Donghoon Seoung; Yongmoon Lee; Hyunchae Cynn; Changyong Park; Kwang Yong Choi; Douglas A. Blom; William J. Evans; Chi Chang Kao; Thomas Vogt; Yongjae Lee

doi:10.1038/nchem.1997

Irreversible xenon insertion into a small-pore zeolite at moderate pressures and temperatures

Donghoon Seoung, Yongmoon Lee, Hyunchae Cynn, Changyong Park, Kwang Yong Choi, Douglas A. Blom, William J. Evans, Chi Chang Kao, Thomas Vogt, Yongjae Lee

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

Pressure drastically alters the chemical and physical properties of materials and allows structural phase transitions and chemical reactions to occur that defy much of our understanding gained under ambient conditions. Particularly exciting is the high-pressure chemistry of xenon, which is known to react with hydrogen and ice at high pressures and form stable compounds. Here, we show that Ag₁₆Al₁₆Si₂₄O₈ ·16H₂O (Ag-natrolite) irreversibly inserts xenon into its micropores at 1.7 GPa and 250 °C, while Ag⁺ is reduced to metallic Ag and possibly oxidized to Ag²⁺. In contrast to krypton, xenon is retained within the pores of this zeolite after pressure release and requires heat to desorb. This irreversible insertion and trapping of xenon in Ag-natrolite under moderate conditions sheds new light on chemical reactions that could account for the xenon deficiency relative to argon observed in terrestrial and Martian atmospheres.

Original language	English
Pages (from-to)	835-839
Number of pages	5
Journal	Nature chemistry
Volume	6
Issue number	9
DOIs	https://doi.org/10.1038/nchem.1997
Publication status	Published - 2014 Sept 1

Bibliographical note

Funding Information:
This work was supported by the Global Research Laboratory Program of the Korean Ministry of Science, ICT and Planning (MSIP) and was performed under the auspices of the US Department of Energy (contracts W-7405-Eng-48 and DE-AC52-07NA27344). Experiments using the synchrotron were supported by MSIP's PAL-XFEL project. A portion of this work was performed at HPCAT (Sector 16), the Advanced Photon Source (APS), Argonne National Laboratory. HPCAT operations were supported by the DOE-NNSA (under award no. DE-NA0001974) and the DOE-BES (under award no. DE-FG02-99ER45775), with partial instrumentation funding by the National Science Foundation. The APS is supported by the DOE-BES (under contract no. DE-AC02-06CH11357). K.C. acknowledges financial support from the National Research Foundation of Korea (NRF, grant no. 2009-0093817).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

Access to Document

10.1038/nchem.1997

Cite this

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title = "Irreversible xenon insertion into a small-pore zeolite at moderate pressures and temperatures",

abstract = "Pressure drastically alters the chemical and physical properties of materials and allows structural phase transitions and chemical reactions to occur that defy much of our understanding gained under ambient conditions. Particularly exciting is the high-pressure chemistry of xenon, which is known to react with hydrogen and ice at high pressures and form stable compounds. Here, we show that Ag16Al16Si24O8 ·16H2O (Ag-natrolite) irreversibly inserts xenon into its micropores at 1.7 GPa and 250 °C, while Ag+ is reduced to metallic Ag and possibly oxidized to Ag2+. In contrast to krypton, xenon is retained within the pores of this zeolite after pressure release and requires heat to desorb. This irreversible insertion and trapping of xenon in Ag-natrolite under moderate conditions sheds new light on chemical reactions that could account for the xenon deficiency relative to argon observed in terrestrial and Martian atmospheres.",

author = "Donghoon Seoung and Yongmoon Lee and Hyunchae Cynn and Changyong Park and Choi, {Kwang Yong} and Blom, {Douglas A.} and Evans, {William J.} and Kao, {Chi Chang} and Thomas Vogt and Yongjae Lee",

note = "Funding Information: This work was supported by the Global Research Laboratory Program of the Korean Ministry of Science, ICT and Planning (MSIP) and was performed under the auspices of the US Department of Energy (contracts W-7405-Eng-48 and DE-AC52-07NA27344). Experiments using the synchrotron were supported by MSIP's PAL-XFEL project. A portion of this work was performed at HPCAT (Sector 16), the Advanced Photon Source (APS), Argonne National Laboratory. HPCAT operations were supported by the DOE-NNSA (under award no. DE-NA0001974) and the DOE-BES (under award no. DE-FG02-99ER45775), with partial instrumentation funding by the National Science Foundation. The APS is supported by the DOE-BES (under contract no. DE-AC02-06CH11357). K.C. acknowledges financial support from the National Research Foundation of Korea (NRF, grant no. 2009-0093817).",

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AU - Kao, Chi Chang

AU - Vogt, Thomas

AU - Lee, Yongjae

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N2 - Pressure drastically alters the chemical and physical properties of materials and allows structural phase transitions and chemical reactions to occur that defy much of our understanding gained under ambient conditions. Particularly exciting is the high-pressure chemistry of xenon, which is known to react with hydrogen and ice at high pressures and form stable compounds. Here, we show that Ag16Al16Si24O8 ·16H2O (Ag-natrolite) irreversibly inserts xenon into its micropores at 1.7 GPa and 250 °C, while Ag+ is reduced to metallic Ag and possibly oxidized to Ag2+. In contrast to krypton, xenon is retained within the pores of this zeolite after pressure release and requires heat to desorb. This irreversible insertion and trapping of xenon in Ag-natrolite under moderate conditions sheds new light on chemical reactions that could account for the xenon deficiency relative to argon observed in terrestrial and Martian atmospheres.

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