Microporous metal organic framework [M2(hfipbb) 2(ted)] (M=Zn, Co; H2hfipbb=4,4-(hexafluoroisopropylidene) -bis(benzoic acid); Ted=triethylenediamine): Synthesis, structure analysis, pore characterization, small gas adsorption and CO2/N2 separation properties

William W. Xu, Sanhita Pramanik, Zhijuan Zhang, Thomas J. Emge, Jing Li

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17 Citations (Scopus)

Abstract

Carbon dioxide is a greenhouse gas that is a major contributor to global warming. Developing methods that can effectively capture CO2 is the key to reduce its emission to the atmosphere. Recent research shows that microporous metal organic frameworks (MOFs) are emerging as a promising family of adsorbents that may be promising for use in adsorption based capture and separation of CO2 from power plant waste gases. In this work we report the synthesis, crystal structure analysis and pore characterization of two microporous MOF structures, [M2(hfipbb)2(ted)] (M=Zn (1), Co (2); H2hfipbb=4,4-(hexafluoroisopropylidene)-bis(benzoic acid); ted=triethylenediamine). The CO2 and N2 adsorption experiments and IAST calculations are carried out on [Zn2(hfipbb) 2(ted)] under conditions that mimic post-combustion flue gas mixtures emitted from power plants. The results show that the framework interacts with CO2 strongly, giving rise to relatively high isosteric heats of adsorption (up to 28 kJ/mol), and high adsorption selectivity for CO2 over N2, making it promising for capturing and separating CO 2 from CO2/N2 mixtures.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalJournal of Solid State Chemistry
Volume200
DOIs
Publication statusPublished - Apr 2013

Fingerprint

Gas adsorption
Benzoic Acid
Benzoic acid
benzoic acid
Metals
porosity
Adsorption
adsorption
power plants
synthesis
gases
metals
Power plants
flue gases
global warming
greenhouses
Global warming
Carbon Monoxide
adsorbents
Flue gases

Keywords

  • CO capture and separation
  • Ideal adsorbed solution theory
  • Isosteric heat of adsorption
  • Metal organic framework
  • Microporosity
  • Small gas adsorption

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

Cite this

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title = "Microporous metal organic framework [M2(hfipbb) 2(ted)] (M=Zn, Co; H2hfipbb=4,4-(hexafluoroisopropylidene) -bis(benzoic acid); Ted=triethylenediamine): Synthesis, structure analysis, pore characterization, small gas adsorption and CO2/N2 separation properties",
abstract = "Carbon dioxide is a greenhouse gas that is a major contributor to global warming. Developing methods that can effectively capture CO2 is the key to reduce its emission to the atmosphere. Recent research shows that microporous metal organic frameworks (MOFs) are emerging as a promising family of adsorbents that may be promising for use in adsorption based capture and separation of CO2 from power plant waste gases. In this work we report the synthesis, crystal structure analysis and pore characterization of two microporous MOF structures, [M2(hfipbb)2(ted)] (M=Zn (1), Co (2); H2hfipbb=4,4-(hexafluoroisopropylidene)-bis(benzoic acid); ted=triethylenediamine). The CO2 and N2 adsorption experiments and IAST calculations are carried out on [Zn2(hfipbb) 2(ted)] under conditions that mimic post-combustion flue gas mixtures emitted from power plants. The results show that the framework interacts with CO2 strongly, giving rise to relatively high isosteric heats of adsorption (up to 28 kJ/mol), and high adsorption selectivity for CO2 over N2, making it promising for capturing and separating CO 2 from CO2/N2 mixtures.",
keywords = "CO capture and separation, Ideal adsorbed solution theory, Isosteric heat of adsorption, Metal organic framework, Microporosity, Small gas adsorption",
author = "{W. Xu}, William and Sanhita Pramanik and Zhijuan Zhang and Emge, {Thomas J.} and Jing Li",
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T1 - Microporous metal organic framework [M2(hfipbb) 2(ted)] (M=Zn, Co; H2hfipbb=4,4-(hexafluoroisopropylidene) -bis(benzoic acid); Ted=triethylenediamine)

T2 - Synthesis, structure analysis, pore characterization, small gas adsorption and CO2/N2 separation properties

AU - W. Xu, William

AU - Pramanik, Sanhita

AU - Zhang, Zhijuan

AU - Emge, Thomas J.

AU - Li, Jing

PY - 2013/4

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N2 - Carbon dioxide is a greenhouse gas that is a major contributor to global warming. Developing methods that can effectively capture CO2 is the key to reduce its emission to the atmosphere. Recent research shows that microporous metal organic frameworks (MOFs) are emerging as a promising family of adsorbents that may be promising for use in adsorption based capture and separation of CO2 from power plant waste gases. In this work we report the synthesis, crystal structure analysis and pore characterization of two microporous MOF structures, [M2(hfipbb)2(ted)] (M=Zn (1), Co (2); H2hfipbb=4,4-(hexafluoroisopropylidene)-bis(benzoic acid); ted=triethylenediamine). The CO2 and N2 adsorption experiments and IAST calculations are carried out on [Zn2(hfipbb) 2(ted)] under conditions that mimic post-combustion flue gas mixtures emitted from power plants. The results show that the framework interacts with CO2 strongly, giving rise to relatively high isosteric heats of adsorption (up to 28 kJ/mol), and high adsorption selectivity for CO2 over N2, making it promising for capturing and separating CO 2 from CO2/N2 mixtures.

AB - Carbon dioxide is a greenhouse gas that is a major contributor to global warming. Developing methods that can effectively capture CO2 is the key to reduce its emission to the atmosphere. Recent research shows that microporous metal organic frameworks (MOFs) are emerging as a promising family of adsorbents that may be promising for use in adsorption based capture and separation of CO2 from power plant waste gases. In this work we report the synthesis, crystal structure analysis and pore characterization of two microporous MOF structures, [M2(hfipbb)2(ted)] (M=Zn (1), Co (2); H2hfipbb=4,4-(hexafluoroisopropylidene)-bis(benzoic acid); ted=triethylenediamine). The CO2 and N2 adsorption experiments and IAST calculations are carried out on [Zn2(hfipbb) 2(ted)] under conditions that mimic post-combustion flue gas mixtures emitted from power plants. The results show that the framework interacts with CO2 strongly, giving rise to relatively high isosteric heats of adsorption (up to 28 kJ/mol), and high adsorption selectivity for CO2 over N2, making it promising for capturing and separating CO 2 from CO2/N2 mixtures.

KW - CO capture and separation

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KW - Microporosity

KW - Small gas adsorption

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