Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4

Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4

This study was undertaken to evaluate the effects of mixing BDC-NO2 and BDC-NH2 linkers in the synthesis of Zr-based metal organic frameworks (Zr-MOFs) on their adsorption and separation of CO2 and CH4. UiO-66 with single or binary -NO2 and -NH2 samples were synthesized under solvothermal conditions...

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Main Authors: Zana Hassan Rada, Hussein Rasool Abid, Hongqi Sun, Jin Shang, Jiaye Li, Yingdian He, Shaomin Liu, Shaobin Wang
Format: Article
Language:English
Published: Elsevier 2018-04-01
Series:Progress in Natural Science: Materials International
Online Access:http://www.sciencedirect.com/science/article/pii/S1002007118300546
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spelling doaj-68df0bc49949468fa4bd956c9da8f6242020-11-24T22:26:54ZengElsevierProgress in Natural Science: Materials International1002-00712018-04-01282160167Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4Zana Hassan Rada0Hussein Rasool Abid1Hongqi Sun2Jin Shang3Jiaye Li4Yingdian He5Shaomin Liu6Shaobin Wang7Department of Chemical Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, AustraliaDepartment of Chemical Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, Australia; Department of Environmental Health, Applied Medical Science College, Karbala University, IraqSchool of Engineering, Edith Cowan University, Joondalup, WA 6027, AustraliaSchool of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, ChinaDepartment of Chemistry, Monash University, Victoria 3800, AustraliaDepartment of Chemical and Biomolecular Engineering, The University of Melbourne, Victoria 3010, AustraliaDepartment of Chemical Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, AustraliaDepartment of Chemical Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, Australia; Corresponding author.This study was undertaken to evaluate the effects of mixing BDC-NO2 and BDC-NH2 linkers in the synthesis of Zr-based metal organic frameworks (Zr-MOFs) on their adsorption and separation of CO2 and CH4. UiO-66 with single or binary -NO2 and -NH2 samples were synthesized under solvothermal conditions and activated by solvent exchanging using methanol. Structural analyses of the materials were conducted using FTIR, XRD, TGA, SEM, 1HNMR and N2 adsorption/desorption techniques and adsorption of CO2 and CH4 at high pressures and different temperatures (273 and 298 K) was investigated. It was found that UiO-66-NH2 exhibited higher CO2 and CH4 adsorption capacities than those of UiO-66-NO2. Addition of -NH2 functional group in UiO-66-NO2 could enhance CO2 and CH4 adsorption due to the extra CO2 adsorption sites of -NH2 functional groups. Addition of -NO2 functional group to UiO-66-NH2 at a low loading could also increase CO2 and CH4 adsorption, however, a high loading of NO2 functional group to UiO-66-NH2 would result in decreased adsorption. Keywords: UiO-66–NO2, UiO-66-NH2, Multi-linker MOFs, Carbon dioxide, Methane adsorptionhttp://www.sciencedirect.com/science/article/pii/S1002007118300546
collection DOAJ
language English
format Article
sources DOAJ
author Zana Hassan Rada
Hussein Rasool Abid
Hongqi Sun
Jin Shang
Jiaye Li
Yingdian He
Shaomin Liu
Shaobin Wang
spellingShingle Zana Hassan Rada
Hussein Rasool Abid
Hongqi Sun
Jin Shang
Jiaye Li
Yingdian He
Shaomin Liu
Shaobin Wang
Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4
Progress in Natural Science: Materials International
author_facet Zana Hassan Rada
Hussein Rasool Abid
Hongqi Sun
Jin Shang
Jiaye Li
Yingdian He
Shaomin Liu
Shaobin Wang
author_sort Zana Hassan Rada
title Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4
title_short Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4
title_full Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4
title_fullStr Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4
title_full_unstemmed Effects of -NO2 and -NH2 functional groups in mixed-linker Zr-based MOFs on gas adsorption of CO2 and CH4
title_sort effects of -no2 and -nh2 functional groups in mixed-linker zr-based mofs on gas adsorption of co2 and ch4
publisher Elsevier
series Progress in Natural Science: Materials International
issn 1002-0071
publishDate 2018-04-01
description This study was undertaken to evaluate the effects of mixing BDC-NO2 and BDC-NH2 linkers in the synthesis of Zr-based metal organic frameworks (Zr-MOFs) on their adsorption and separation of CO2 and CH4. UiO-66 with single or binary -NO2 and -NH2 samples were synthesized under solvothermal conditions and activated by solvent exchanging using methanol. Structural analyses of the materials were conducted using FTIR, XRD, TGA, SEM, 1HNMR and N2 adsorption/desorption techniques and adsorption of CO2 and CH4 at high pressures and different temperatures (273 and 298 K) was investigated. It was found that UiO-66-NH2 exhibited higher CO2 and CH4 adsorption capacities than those of UiO-66-NO2. Addition of -NH2 functional group in UiO-66-NO2 could enhance CO2 and CH4 adsorption due to the extra CO2 adsorption sites of -NH2 functional groups. Addition of -NO2 functional group to UiO-66-NH2 at a low loading could also increase CO2 and CH4 adsorption, however, a high loading of NO2 functional group to UiO-66-NH2 would result in decreased adsorption. Keywords: UiO-66–NO2, UiO-66-NH2, Multi-linker MOFs, Carbon dioxide, Methane adsorption
url http://www.sciencedirect.com/science/article/pii/S1002007118300546
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