Defective UiO-66-NH2 monoliths for optimizing CO2 capture performance

Article Multidisciplinary Sciences

Fine pore engineering in a series of isoreticular metal-organic frameworks for efficient C2H2/CO2 separation

Jun Wang et al.

Summary: By fine-tuning the pore size at sub-nanometer scale, researchers have achieved efficient separation of acetylene and carbon dioxide. Remarkable adsorption performance enhancement was observed due to subtle structural differences.

NATURE COMMUNICATIONS (2022)

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Article Nanoscience & Nanotechnology

Ultrafast Degradation and High Adsorption Capability of a Sulfur Mustard Simulant under Ambient Conditions Using Granular UiO-66-NH2 Metal-Organic Gels

Chuan Zhou et al.

Summary: A series of defected granular UiO-66-NH2 metal-organic gels were synthesized for the removal of sulfur mustard simulant 2-CEES, showing high degradation rate and adsorption capacity.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Engineering, Environmental

Enhanced adsorption and visible-light photocatalytic degradation of toluene by CQDs/UiO-66 MOG with hierarchical pores

Jiajun Yu et al.

Summary: The development of photocatalytic materials with both promising adsorption capacity and high visible-light activity is important for efficient and stable degradation of toluene. In this study, carbon quantum dots (CQDs) decorated UiO-66 metal-organic-frameworks gel (MOG) composites with hierarchical pore structures were prepared. The introduction of CQDs improved light utilization and promoted the separation of photo-induced electrons and holes, leading to the generation of active free radicals. The composite demonstrated high toluene adsorption capacity and enhanced degradation efficiency compared to the pristine MOG. In-situ Fourier transform infrared (FTIR) and Gas Chromatography-Mass Spectrometer (GC-MS) analyses revealed the degradation pathways and mineralization of toluene. The results highlight the potential of CQDs decoration for efficient mineralization of toluene in low-concentration flows.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Chemical

Solar photocatalytic degradation of parabens using UiO-66-NH2

Manuel Penas-Garzon et al.

Summary: The photocatalytic degradation of methylparaben using a synthesised metal-organic framework (UiO-66-NH2) under simulated solar light was investigated. The study found that the pollutant can be completely removed in distilled water in 1 hour, but the photocatalytic performance decreased in natural water matrices. The photocatalyst UiO-66-NH2 showed high stability and the degradation mechanism involved photogenerated holes and superoxide radicals.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Chemistry, Physical

Hierarchical-pore UiO-66-NH2 xerogel with turned mesopore size for highly efficient organic pollutants removal

Liqiong Luo et al.

Summary: Hierarchical-pore UiO-66-NH2 xerogels with different mesopore size were successfully synthesized, showing high adsorption capacity and excellent removal efficiency for organic pollutants such as dyes. The materials exhibit great potential for application in organic pollutant removal.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Engineering, Environmental

High-efficiency capture of ammonia using hierarchically porous Zr-MOF nanoarchitectures under ambient conditions: Thermodynamics, kinetics, and mechanisms

Xinbo Wang et al.

Summary: Zirconium-based metal-organic frameworks (Zr-MOFs) show promising potential for eliminating toxic chemicals, particularly ammonia, under ambient conditions. This study demonstrates the remarkable ammonia capture capabilities of hierarchically porous MOF-808 xerogel and its amino-functionalized analogue. The ZrMOF nanoarchitectures exhibit higher ammonia uptake, intensified interfacial interactions, and enhanced retention compared to activated carbon-based materials, even at low concentrations. These materials also demonstrate exceptional ammonia removal performance and environmental robustness. The findings provide valuable insights into the ammonia sorption mechanism and highlight the importance of polar amino groups and humidity.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

A straightforward strategy to synthesize supramolecular amorphous zirconium metal-organic gel for efficient Pb(II) removal

Feng Zhao et al.

Summary: By developing a straightforward strategy involving standing time-controlled crystallization, amorphous Zr-MOG-12 was successfully synthesized with superb adsorption capacity for Pb(II) and excellent selectivity and reusability. Additionally, the transformation of amorphous Zr-MOG-12 to highly crystalline Zr-MOF' was achieved using glacial acetic acid as the crystallization promoter.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Nanoscience & Nanotechnology

Enhanced Adsorption and Mass Transfer of Hierarchically Porous Zr-MOF Nanoarchitectures toward Toxic Chemical Removal

Xinbo Wang et al.

Summary: Zirconium-based metal-organic frameworks (Zr-MOFs) have demonstrated great potential as highly efficient adsorbents for toxic chemicals under ambient conditions. The hierarchically porous Zr-MOF nanoarchitectures exhibited enhanced toxic chemical adsorption and mass transfer properties. The synergy of hierarchical porosities and nanosized crystals in Zr-MOF xerogels effectively expedited intracrystalline diffusion, leading to accelerated overall adsorption uptake and enhanced performance for toxic chemical removal.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Applied

Formation of structural defects within UiO-66(Zr)-(OH)2 framework for enhanced CO2 adsorption using a microwave-assisted continuous-flow tubular reactor

The Ky Vo et al.

Summary: The rapid construction of defects in metal-organic frameworks using microwave-assisted reactors can significantly impact porosity and CO2 adsorption capabilities of the material. The concentration of defects influences the amount of CO2 uptake and selectivity, surpassing those of conventionally prepared materials.

MICROPOROUS AND MESOPOROUS MATERIALS (2021)

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Article Environmental Sciences

Progress in carbon capture technologies

Tabbi Wilberforce et al.

Summary: Human factors are key contributors to the increase in carbon dioxide emissions, necessitating urgent policy formulation to address global challenges. Introducing carbon capture and storage technologies is a reliable tool for solving the problem, with various technologies available for capturing carbon dioxide.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Engineering, Chemical

Enhanced CO2 adsorption performance on amino-defective UiO-66 with 4-amino benzoic acid as the defective linker

Van Nhieu Le et al.

Summary: A new restructuring strategy has been developed to prepare defective UiO-66(Zr) with enhanced porosity and -NH2 groups in the framework, leading to improved CO2 capture capacity. The modified adsorbent exhibited the highest CO2 uptake capacity and CO2/N2 selectivity at 298 K and 100 kPa.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Article Chemistry, Multidisciplinary

Trends and Prospects in UiO-66 Metal-Organic Framework for CO2 Capture, Separation, and Conversion

Muhammad Usman et al.

Summary: This paper summarizes the structural advancements of UiO-66 and its applications in CO2 capture, separation, and conversion, as well as addressing future challenges and prospects associated with UiO-66 for CO2 management.

CHEMICAL RECORD (2021)

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Article Engineering, Environmental

Stability and radioactive gaseous iodine-131 retention capacity of binderless UiO-66-NH2 granules under severe nuclear accidental conditions

Maeva Leloire et al.

Summary: This study investigated the ability of the zirconium-based MOF-type compound UiO-66-NH2 to immobilize molecular gaseous iodine under conditions similar to those encountered in a Filtered Containment Venting System. Promising results were obtained, demonstrating the potential efficiency of UiO-66-NH2 in trapping gaseous molecular iodine in severe accidental conditions.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Environmental

Energy-efficient capture of volatile organic compounds from humid air by granular metal organic gel

Xianming Zheng et al.

Summary: The formation of a granular Al-based metal organic gel, CAU-3-NH2(gel), with high surface area and adsorption capacity for VOCs, as well as its outstanding performance in dynamic adsorption and regeneration at mild temperatures, has been reported. The interaction of toluene-framework and adsorption process are investigated by using Grand Canonical Monte Carlo (GCMC) simulations.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Environmental

Adsorption of phosphate on UiO-66-NH2 prepared by a green synthesis method

Xiaoting Zhang et al.

Summary: In this study, a zirconium-based metal organic framework (UiO-66-NH2) was prepared with a green synthetic method for removal of phosphate from solution. The material showed good adsorption performance for phosphate across a wide pH range and could be easily regenerated for repeated use.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Engineering, Environmental

UiO-66-based metal organic frameworks for the photodegradation of acetaminophen under simulated solar irradiation

Y. L. Wang et al.

Summary: This study reports the solvothermal synthesis of UiO-66-based MOFs with different ligands for the degradation of acetaminophen in water under simulated sunlight. Among the MOFs synthesized, UiO-66-NH2 showed the highest removal efficiency of acetaminophen in batch tests and demonstrated stable performance in continuous flow tests for up to 30 hours. The degradation pathway of acetaminophen was elucidated, and the semiconductor behavior of UiO-66-NH2 under light excitation was confirmed through DFT calculations. Overall, promising UiO-66-based MOFs photocatalysts were obtained for effective acetaminophen degradation with the assistance of solar light.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Chemistry, Multidisciplinary

Synthesis of macroscopic monolithic metal-organic gels for ultra-fast destruction of chemical warfare agents

Chuan Zhou et al.

Summary: Hierarchically porous monolithic UiO-66-X xerogels with enhanced degradability have been developed for the destruction of CWAs, exhibiting outstanding performance with ultrafast decomposition of vesicant agent sulfur mustard (HD) and nerve agent VX. This work represents the first report on macroscopic monolithic UiO-66-X xerogels for rapid decomposition of CWAs.

RSC ADVANCES (2021)

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Article Chemistry, Multidisciplinary

Mixed Metal-Organic Framework with Multiple Binding Sites for Efficient C2H2/CO2 Separation

Junkuo Gao et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Environmental Sciences

Preparation of UiO-66-NH2 and UiO-66-NH2/sponge for adsorption of 2,4-dichlorophenoxyacetic acid in water

Sumei Li et al.

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY (2020)

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Article Chemistry, Multidisciplinary

Shaping the Future of Fuel: Monolithic Metal-Organic Frameworks for High-Density Gas Storage

Bethany M. Connolly et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Multidisciplinary

Ethylenediamine-incorporated MIL-101(Cr)-NH2 metal-organic frameworks for enhanced CO2 adsorption

The Ky Vo et al.

KOREAN JOURNAL OF CHEMICAL ENGINEERING (2020)

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Article Chemistry, Multidisciplinary

Metal-organic framework gels and monoliths

Jingwei Hou et al.

CHEMICAL SCIENCE (2020)

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Article Multidisciplinary Sciences

Cooperative carbon capture and steam regeneration with tetraamine-appended metal-organic frameworks

Eugene J. Kim et al.

SCIENCE (2020)

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Article Materials Science, Multidisciplinary

Charting the Metal-Dependent High-Pressure Stability of Bimetallic UiO-66 Materials

Sven M. J. Rogge et al.

ACS MATERIALS LETTERS (2020)

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Article Chemistry, Inorganic & Nuclear

Rapid and Low-Cost Electrochemical Synthesis of UiO-66-NH2 with Enhanced Fluorescence Detection Performance

Jin-Zhi Wei et al.

INORGANIC CHEMISTRY (2019)

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Article Biochemistry & Molecular Biology

Selective Adsorption-Based Separation of Flue Gas and Natural Gas in Zirconium Metal-Organic Frameworks Nanocrystals

Pengli Li et al.

MOLECULES (2019)

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Article Multidisciplinary Sciences

Tuning porosity in macroscopic monolithic metal-organic frameworks for exceptional natural gas storage

B. M. Connolly et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Applied

A highly fluorescent metal organic framework probe for 2,4,6-trinitrophenol detection via post-synthetic modification of UIO-66-NH2

Yilong Tang et al.

DYES AND PIGMENTS (2019)

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Article Multidisciplinary Sciences

Climate and air-quality benefits of a realistic phase-out of fossil fuels

Drew Shindell et al.

NATURE (2019)

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Review Chemistry, Multidisciplinary

Mechanical Properties of Shaped Metal-Organic Frameworks

Bhuvan B. Shah et al.

TOPICS IN CURRENT CHEMISTRY (2019)

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Article Nanoscience & Nanotechnology

Layer-by-Layer Fabrication of Core-Shell Fe3O4@UiO-66-NH2 with High Catalytic Reactivity toward the Hydrolysis of Chemical Warfare Agent Simulants

Rui Chen et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Review Green & Sustainable Science & Technology

CO2 Capture in Metal-Organic Framework Adsorbents: An Engineering Perspective

Zhigang Hu et al.

ADVANCED SUSTAINABLE SYSTEMS (2019)

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Article Chemistry, Inorganic & Nuclear

A new approach to enhancing the CO2 capture performance of defective UiO-66 via post-synthetic defect exchange

Athanasios Koutsianos et al.

DALTON TRANSACTIONS (2019)

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Article Chemistry, Physical

A sol-gel monolithic metal-organic framework with enhanced methane uptake

Tian Tian et al.

NATURE MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Post-Synthetic Ligand Exchange in Zirconium-Based Metal-Organic Frameworks: Beware of The Defects!

Marco Taddei et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Chemistry, Multidisciplinary

Enhancing Van der Waals Interactions of Functionalized UiO-66 with Non-polar Adsorbates: The Unique Effect of para Hydroxyl Groups

Trenton M. Tovar et al.

CHEMISTRY-A EUROPEAN JOURNAL (2018)

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Review Green & Sustainable Science & Technology

A review on sustainable microalgae based biofuel and bioenergy production: Recent developments

Abdul Raheem et al.

JOURNAL OF CLEANER PRODUCTION (2018)

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Article Materials Science, Multidisciplinary

Microwave-assisted synthesis of well-shaped UiO-66-NH2 with high CO2 adsorption capacity

Aisheng Huang et al.

MATERIALS RESEARCH BULLETIN (2018)

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Article Chemistry, Multidisciplinary

A robust monolithic metal-organic framework with hierarchical porosity

Sergio M. F. Vilela et al.

CHEMICAL COMMUNICATIONS (2018)

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Article Chemistry, Physical

Defect formation in metal-organic frameworks initiated by the crystal growth-rate and effect on catalytic performance

Somboon Chaemchuen et al.

JOURNAL OF CATALYSIS (2017)

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Article Chemistry, Multidisciplinary

Gel-based morphological design of zirconium metal-organic frameworks

Bart Bueken et al.

CHEMICAL SCIENCE (2017)

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Article Engineering, Environmental

A novel DOBDC-functionalized MIL-100(Fe) and its enhanced CO2 capacity and selectivity

Liang Mei et al.

CHEMICAL ENGINEERING JOURNAL (2017)

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Article Nanoscience & Nanotechnology

UiO-66-Type Metal-Organic Framework with Free Carboxylic Acid: Versatile Adsorbents via H-bond for Both Aqueous and Nonaqueous Phases

Ji Yoon Song et al.

ACS APPLIED MATERIALS & INTERFACES (2016)

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Article Engineering, Chemical

A novel bimetallic MIL-101(Cr, Mg) with high CO2 adsorption capacity and CO2/N2 selectivity

Zhenyu Zhou et al.

CHEMICAL ENGINEERING SCIENCE (2016)

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Article Chemistry, Inorganic & Nuclear

Defect engineering of UiO-66 for CO2 and H2O uptake - a combined experimental and simulation study

Weibin Liang et al.

DALTON TRANSACTIONS (2016)

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Article Chemistry, Inorganic & Nuclear

Modulated Hydrothermal Synthesis of UiO-66(Hf)-Type Metal-Organic Frameworks for Optimal Carbon Dioxide Separation

Zhigang Hu et al.

INORGANIC CHEMISTRY (2016)

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Article Engineering, Chemical

Enhanced Dynamic CO2 Adsorption Capacity and CO2/CH4 Selectivity on Polyethylenimine-Impregnated UiO-66

Shikai Xian et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2015)

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Article Chemistry, Physical

Mechanically and chemically robust ZIF-8 monoliths with high volumetric adsorption capacity

Tian Tian et al.

JOURNAL OF MATERIALS CHEMISTRY A (2015)

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Article Chemistry, Physical

Enhanced CO2/N2 selectivity in amidoxime-modified porous carbon

Shannon M. Mahurin et al.

CARBON (2014)

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Article Chemistry, Physical

Tuned to Perfection: Ironing Out the Defects in Metal-Organic Framework UiO-66

Greig C. Shearer et al.

CHEMISTRY OF MATERIALS (2014)

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Article Chemistry, Multidisciplinary

Carbon Dioxide Adsorption in Amine-Functionalized Mixed-Ligand Metal-Organic Frameworks of UiO-66 Topology

Jayashree Ethiraj et al.

CHEMSUSCHEM (2014)

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A comparative study of CO2, CH4 and N2 adsorption in ZIF-8, Zeolite-13X and BPL activated carbon

Joe McEwen et al.

CHEMICAL PHYSICS (2013)

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Article Chemistry, Multidisciplinary

Unusual and Highly Tunable Missing-Linker Defects in Zirconium Metal-Organic Framework UiO-66 and Their Important Effects on Gas Adsorption

Hui Wu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2013)

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A synthetic route to ultralight hierarchically micro/mesoporous Al(III)-carboxylate metal-organic aerogels

Lei Li et al.

NATURE COMMUNICATIONS (2013)

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Article Chemistry, Inorganic & Nuclear

Enhanced stability and CO2 affinity of a UiO-66 type metal-organic framework decorated with dimethyl groups

Yuting Huang et al.

DALTON TRANSACTIONS (2012)

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Article Chemistry, Physical

Characterization of vacant coordination sites of cations on the surfaces of oxides and zeolites using infrared spectroscopy of adsorbed probe molecules

K. Hadjiivanov et al.

SURFACE SCIENCE (2009)

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Defective UiO-66-NH2 monoliths for optimizing CO2 capture performance

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