MIL-91(Ti), a small pore metal–organic framework which fulfils several criteria: an upscaled green synthesis, excellent water stability, high CO<sub>2</sub>selectivity and fast CO<sub>2</sub>transport

Benoit, Virginie; Pillai, Renjith S.; Orsi, Angelica; Normand, Périne; Jobic, H.; Nouar, Farid; Billemont, Pierre; Bloch, Emily; Bourrelly, Sandrine; Devic, Thomas; Wright, Paul A.; Weireld, Guy De; Serre, Christian; Maurin, Guillaume; Llewellyn, Philip L.

doi:10.1039/c5ta09349j

Cited by 88 publications

(72 citation statements)

References 69 publications

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“…Remarkably, high adsorption selectivity up to 200 at low pressure was observed for the CO 2 /N 2 = 15:85 mixture. It decreases along the increase of the pressure and eventually reaches a plateau value about 60, which is significantly higher than that most of the reported UiO‐66(Zr) type MOFs with different functional groups . For the CO 2 /N 2 = 50:50 mixture, similar selectivity vs. pressure profile was noticed.…”

Section: Resultssupporting

confidence: 47%

A Microporous Zirconium Metal‐Organic Framework Based on trans‐Aconitic Acid for Selective Carbon Dioxide Adsorption

et al. 2019

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The discovery of naturally occurring linker-based zirconium MOFs with permanent porosity and accessible functional groups remains a challenge. Using trans-aconitic acid to assemble with Zr 6 oxoclusters under green and scalable conditions, a novel microporous Zr-aconitate framework has been prepared successfully with a high space-time yield. This MOF is isostructural to the previously reported Zr-fumarate, however with a smaller pore size and an abundant concentration of free IntroductionZirconium metal-organic frameworks (MOFs) have been intensively investigated and developed over the last decade, mainly due to their improved stability compared to most of the other metal cations-based MOFs. [1] Among diverse organic linkers used for Zr-MOFs, the majority are artificially synthetic ones, including most of the aromatic multi-carboxylic acids, [2] phenolates [3] and phosphonates. [4] In sharp contrast to artificial linkers, naturally occurring ones display numerous advantages, such as low toxicity and bio-compatibility, cost-effective, easy and abundant availability, which fulfil the sustainable development criteria. Nevertheless, there are very limited examples of Zr-MOFs constructed from naturally occurring linkers. Indeed only the three-dimensional (3D) Zr-Fumarate (also known as MOF-801) [5] and 2D Zr-formate, [6] have been reported so far. The 3D Zr-Fumarate is of particular interest due to its UiO-66 type rigid micropore system. [7] It was reported as a promising material in applications including water harvesting [8] and removal of fluoride contaminant. [9] The incorporation of functional groups into [a]

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Section: Resultssupporting

confidence: 47%

A Microporous Zirconium Metal‐Organic Framework Based on trans‐Aconitic Acid for Selective Carbon Dioxide Adsorption

et al. 2019

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“…23,51,[58][59][60][61][62][63][64] Functionalization of these types of MOFs may be carried out by post-synthetic modification (PSM) on the open metal sites, 47,[65][66][67][68][69] by post-synthetic metal exchange, 70 or direct use of functionalized ligands. 23,51,[58][59][60] The amines (or sulfonates) PSM of porous organic polymers (POPs, COFs, etc.…”

Section: Discussionmentioning

confidence: 99%

Low concentration CO2 capture using physical adsorbents: Are metal–organic frameworks becoming the new benchmark materials?

Belmabkhout¹,

Guillerm²,

Eddaoudi³

2016

Chemical Engineering Journal

297

168

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KeywordsCO 2 capture, traces CO 2 removal, air capture, physical adsorbents, MOFs AbstractThe capture and separation of traces and concentrated CO 2 from important commodities such as CH 4 , H 2 , O 2 and N 2, is becoming important in many areas related to energy security and environmental sustainability. While trace CO 2 concentration removal applications have been modestly studied for decades, the spike in interest in the capture of concentrated CO 2 was motivated by the need for new energy vectors to replace highly concentrated carbon fuels and the necessity to reduce emissions from fossil fuel-fired power plants. CO 2 capture from various gas streams, at different concentrations, using physical adsorbents, such as activated carbon, zeolites, and metal-organic frameworks (MOFs), is attractive. However, the adsorbents must be designed with consideration of many parameters including CO 2 affinity, kinetics, energetics, stability, capture mechanism, in addition to cost. Here, we perform a systematic analysis regarding the key technical parameters that are required for the best CO 2 capture performance using physical adsorbents. We also experimentally demonstrate a suitable 2 material model of Metal Organic Framework as advanced adsorbents with unprecedented properties for CO 2 capture in a wide range of CO 2 concentration. These recently developed class of MOF adsorbents represent a breakthrough finding in the removal of traces CO 2 using physical adsorption.This platform shows colossal tuning potential for more efficient separation agents.

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“…[ be therefore based on ac ooperative thermodynamics of guest uptake in MOFs;t his thermodynamics however is still to be formulated. As as tep towards understanding of cooperative phenomena, here we examinew ith in situ diffraction experiment two nanoporous frameworks, g-Mg(BH 4 ) 2 [15] and MIL-91(Ti) (MIL for Materials of the Institute Lavoisier), [16,17] with different levelso f structuralf lexibility and cooperativity of guest adsorption. We parameterize cooperative response with am ean field Gorsky-Bragg-Williams (GBW) approachf or the lattice-gas Ising model.…”

Section: Introductionmentioning

confidence: 99%

Cooperative Adsorption by Porous Frameworks: Diffraction Experiment and Phenomenological Theory

Dovgaliuk

Nouar

Serre

et al. 2017

Chemistry A European J

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Materials science of metal open frameworks is a state-of-the-art field for numerous applications, such as gas storage, sensors, and medicine. Two nanoporous frameworks, γ-Mg(BH ) and MIL-91(Ti), with different levels of structural flexibility, were examined with in situ X-ray diffraction guest adsorption-desorption experiments. Both frameworks exhibit a cooperative guest adsorption correlated with a lattice deformation. This cooperativity originates from the long-range interactions between guest molecules, mediated by elastic response of the host porous structure. The observed experimental scenarios are rationalized with a mean field Gorsky-Bragg-Williams (GBW) approach for the lattice-gas Ising model. The adjusted GBW model, in combination with in situ synchrotron powder diffraction, demonstrates an efficient experimental and phenomenological approach to characterize thermodynamics of the adsorption in MOFs not only for the total uptake but also for every specific guest site.

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MIL-91(Ti), a small pore metal–organic framework which fulfils several criteria: an upscaled green synthesis, excellent water stability, high CO₂selectivity and fast CO₂transport

Abstract: MIL-91(Ti) is shown to be one of the very few MOFs of real interest for CO2 capture.

Cited by 88 publications

References 69 publications

A Microporous Zirconium Metal‐Organic Framework Based on trans‐Aconitic Acid for Selective Carbon Dioxide Adsorption

A Microporous Zirconium Metal‐Organic Framework Based on trans‐Aconitic Acid for Selective Carbon Dioxide Adsorption

Low concentration CO2 capture using physical adsorbents: Are metal–organic frameworks becoming the new benchmark materials?

Cooperative Adsorption by Porous Frameworks: Diffraction Experiment and Phenomenological Theory

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MIL-91(Ti), a small pore metal–organic framework which fulfils several criteria: an upscaled green synthesis, excellent water stability, high CO2selectivity and fast CO2transport

Abstract: MIL-91(Ti) is shown to be one of the very few MOFs of real interest for CO2 capture.

Cited by 88 publications

References 69 publications

A Microporous Zirconium Metal‐Organic Framework Based on trans‐Aconitic Acid for Selective Carbon Dioxide Adsorption

A Microporous Zirconium Metal‐Organic Framework Based on trans‐Aconitic Acid for Selective Carbon Dioxide Adsorption

Low concentration CO2 capture using physical adsorbents: Are metal–organic frameworks becoming the new benchmark materials?

Cooperative Adsorption by Porous Frameworks: Diffraction Experiment and Phenomenological Theory

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MIL-91(Ti), a small pore metal–organic framework which fulfils several criteria: an upscaled green synthesis, excellent water stability, high CO₂selectivity and fast CO₂transport