Multiple phase-transitions upon selective CO2 adsorption in an alkyl ether functionalized metal-organic framework - An in situ X-ray diffraction study

Sebastian Henke; D. C. Florian Wieland; Mikhail Meilikhov; Michael Paulus; Christian Sternemann; Kirill Yusenko; Roland A. Fischer

doi:10.1039/c1ce05446e

Multiple phase-transitions upon selective CO₂ adsorption in an alkyl ether functionalized metal-organic framework - An in situ X-ray diffraction study

Sebastian Henke, D. C. Florian Wieland, Mikhail Meilikhov, Michael Paulus, Christian Sternemann, Kirill Yusenko, Roland A. Fischer

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

44 Scopus citations

Abstract

The flexible alkyl ether functionalized metal-organic framework [Zn ₂(BME-bdc)₂(dabco)]_n (BME-bdc = 2,5-bis(2-methoxyethoxy)-1,4-benzenedicarboxylate, dabco = 1,4-diazabicyclo[2.2. 2]octane) shows remarkable structural changes upon selective adsorption of CO₂ as determined by in situ X-ray diffraction at 195 K. Upon accommodation of carbon dioxide [Zn₂(BME-bdc)₂(dabco)] _n transfers from a narrow pore form to an open pore form, which exhibits a much higher unit cell volume. Due to the slow adsorption kinetics an unexpected metastable intermediate form could be identified.

Original language	English
Pages (from-to)	6399-6404
Number of pages	6
Journal	CrystEngComm
Volume	13
Issue number	21
DOIs	https://doi.org/10.1039/c1ce05446e
State	Published - 7 Nov 2011
Externally published	Yes

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title = "Multiple phase-transitions upon selective CO2 adsorption in an alkyl ether functionalized metal-organic framework - An in situ X-ray diffraction study",

abstract = "The flexible alkyl ether functionalized metal-organic framework [Zn 2(BME-bdc)2(dabco)]n (BME-bdc = 2,5-bis(2-methoxyethoxy)-1,4-benzenedicarboxylate, dabco = 1,4-diazabicyclo[2.2. 2]octane) shows remarkable structural changes upon selective adsorption of CO2 as determined by in situ X-ray diffraction at 195 K. Upon accommodation of carbon dioxide [Zn2(BME-bdc)2(dabco)] n transfers from a narrow pore form to an open pore form, which exhibits a much higher unit cell volume. Due to the slow adsorption kinetics an unexpected metastable intermediate form could be identified.",

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T1 - Multiple phase-transitions upon selective CO2 adsorption in an alkyl ether functionalized metal-organic framework - An in situ X-ray diffraction study

AU - Henke, Sebastian

AU - Florian Wieland, D. C.

AU - Meilikhov, Mikhail

AU - Paulus, Michael

AU - Sternemann, Christian

AU - Yusenko, Kirill

AU - Fischer, Roland A.

PY - 2011/11/7

Y1 - 2011/11/7

N2 - The flexible alkyl ether functionalized metal-organic framework [Zn 2(BME-bdc)2(dabco)]n (BME-bdc = 2,5-bis(2-methoxyethoxy)-1,4-benzenedicarboxylate, dabco = 1,4-diazabicyclo[2.2. 2]octane) shows remarkable structural changes upon selective adsorption of CO2 as determined by in situ X-ray diffraction at 195 K. Upon accommodation of carbon dioxide [Zn2(BME-bdc)2(dabco)] n transfers from a narrow pore form to an open pore form, which exhibits a much higher unit cell volume. Due to the slow adsorption kinetics an unexpected metastable intermediate form could be identified.

AB - The flexible alkyl ether functionalized metal-organic framework [Zn 2(BME-bdc)2(dabco)]n (BME-bdc = 2,5-bis(2-methoxyethoxy)-1,4-benzenedicarboxylate, dabco = 1,4-diazabicyclo[2.2. 2]octane) shows remarkable structural changes upon selective adsorption of CO2 as determined by in situ X-ray diffraction at 195 K. Upon accommodation of carbon dioxide [Zn2(BME-bdc)2(dabco)] n transfers from a narrow pore form to an open pore form, which exhibits a much higher unit cell volume. Due to the slow adsorption kinetics an unexpected metastable intermediate form could be identified.

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DO - 10.1039/c1ce05446e

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Multiple phase-transitions upon selective CO₂ adsorption in an alkyl ether functionalized metal-organic framework - An in situ X-ray diffraction study

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