Controllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs

The growing interest in metal–organic frameworks (MOFs) in both industrial and scientific circles has increased in the last twenty years, owing to their crystallinity, structural versatility, and controlled porosity. In this study, we present three novel MOFs obtained from the 1, 3, 5-tris (1H-benzo...

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Autores principales: Sanjit Gaikwad, Ravi Kumar Cheedarala, Ranjit Gaikwad, Soonho Kim, Sangil Han
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:7cc44dad31f94b3db338b529cf587c302021-11-11T14:59:12ZControllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs10.3390/app112198562076-3417https://doaj.org/article/7cc44dad31f94b3db338b529cf587c302021-10-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/9856https://doaj.org/toc/2076-3417The growing interest in metal–organic frameworks (MOFs) in both industrial and scientific circles has increased in the last twenty years, owing to their crystallinity, structural versatility, and controlled porosity. In this study, we present three novel MOFs obtained from the 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) benzene (TIBM) organic linker. The formed TIBM crystal powders were characterized by scanning electron microscopy (SEM) to estimate the morphology of the particles, powder X-ray diffraction (XRD) to confirm the crystal structure, Brunauer–Emmett–Teller (BET) method for structural analysis, and thermogravimetric measurements to examine the thermal stability. The TIBM-Cu MOF showed excellent CO<sub>2</sub> (3.60 mmol/g) adsorption capacity at 1 bar and 298 K, because of the open Cu site, compared to TIBM-Cr (1.6 mmol/g) and TIBM-Al (2.1 mmol/g). Additionally, due to the high porosity (0.3–1.5 nm), TIBM-Cu MOF showed a considerable CO<sub>2</sub>/N<sub>2</sub> selectivity (53) compared to TIBM-Al (35) and TIBM-Cr (10).Sanjit GaikwadRavi Kumar CheedaralaRanjit GaikwadSoonho KimSangil HanMDPI AGarticleMOFadsorptionCO<sub>2</sub> captureporous materialsolvothermal synthesisTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 9856, p 9856 (2021)
institution DOAJ
collection DOAJ
language EN
topic MOF
adsorption
CO<sub>2</sub> capture
porous material
solvothermal synthesis
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
Biology (General)
QH301-705.5
Physics
QC1-999
Chemistry
QD1-999
spellingShingle MOF
adsorption
CO<sub>2</sub> capture
porous material
solvothermal synthesis
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
Biology (General)
QH301-705.5
Physics
QC1-999
Chemistry
QD1-999
Sanjit Gaikwad
Ravi Kumar Cheedarala
Ranjit Gaikwad
Soonho Kim
Sangil Han
Controllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs
description The growing interest in metal–organic frameworks (MOFs) in both industrial and scientific circles has increased in the last twenty years, owing to their crystallinity, structural versatility, and controlled porosity. In this study, we present three novel MOFs obtained from the 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) benzene (TIBM) organic linker. The formed TIBM crystal powders were characterized by scanning electron microscopy (SEM) to estimate the morphology of the particles, powder X-ray diffraction (XRD) to confirm the crystal structure, Brunauer–Emmett–Teller (BET) method for structural analysis, and thermogravimetric measurements to examine the thermal stability. The TIBM-Cu MOF showed excellent CO<sub>2</sub> (3.60 mmol/g) adsorption capacity at 1 bar and 298 K, because of the open Cu site, compared to TIBM-Cr (1.6 mmol/g) and TIBM-Al (2.1 mmol/g). Additionally, due to the high porosity (0.3–1.5 nm), TIBM-Cu MOF showed a considerable CO<sub>2</sub>/N<sub>2</sub> selectivity (53) compared to TIBM-Al (35) and TIBM-Cr (10).
format article
author Sanjit Gaikwad
Ravi Kumar Cheedarala
Ranjit Gaikwad
Soonho Kim
Sangil Han
author_facet Sanjit Gaikwad
Ravi Kumar Cheedarala
Ranjit Gaikwad
Soonho Kim
Sangil Han
author_sort Sanjit Gaikwad
title Controllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs
title_short Controllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs
title_full Controllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs
title_fullStr Controllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs
title_full_unstemmed Controllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs
title_sort controllable synthesis of 1, 3, 5-tris (1h-benzo[d]imidazole-2-yl) benzene-based mofs
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/7cc44dad31f94b3db338b529cf587c30
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AT ranjitgaikwad controllablesynthesisof135tris1hbenzodimidazole2ylbenzenebasedmofs
AT soonhokim controllablesynthesisof135tris1hbenzodimidazole2ylbenzenebasedmofs
AT sangilhan controllablesynthesisof135tris1hbenzodimidazole2ylbenzenebasedmofs
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