Nanoarchitecturing hybridized metal-organic framework/graphene nanosheet for removal of an organic pollutant

Moghadam, Ghasem; Abdi, Jafar; Banisharif, Farhad; Khataee, Alireza; Kosari, Mohammadreza

doi:10.1016/j.molliq.2021.117323

Cited by 15 publications

(2 citation statements)

References 49 publications

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“…[1,2] The crystal structures of ZIF-8 have some advantages such as tunable pore size, ordered atomic arrangement, high surface area, high thermal stability and adjustable functionality. [3,4] Currently, they are widely applied in various fields including gas storage, [5,6,7] adsorption separation, [8] electrocatalysis, [9] sensors, [10] and drug delivery. [11] Compared to rhombic dodecahedral ZIF-8 nanoparticles, the complex structures of ZIF-8 exhibit more interesting surface properties.…”

Section: Introductionmentioning

confidence: 99%

Tunable Polymer Micelles as Template Directing Growth of MOFs Crystals in Surfactant‐Free Emulsion to Fabricate Chitosan‐Based Copolymer/ZIF‐8 Nanostructure

Zhao,

Li,

Guo

et al. 2024

ChemNanoMat

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An amphiphilic chitosan‐g‐poly N‐(3‐dimethylaminopropyl) methacrylamide (CS‐g‐PDMAPMA, CSP) was proposed and synthesized by reversible addition‐fragmentation chain transfer polymerization (RAFT), and further employed as emulsifier to construct a surfactant‐free emulsion. The morphology of micelles in surfactant‐free emulsion was regulated by adjusting the oil‐water ratio and concentration of amphiphilic copolymer. Subsequently, polymer micelles served as templates to direct the assembly of ZIF‐8 crystals in the surfactant‐free emulsion to fabricate polymer/ZIF‐8 composite materials (ZIF‐8@CSP) with various structures. Specifically, ZIF‐8@CSP with various architectures such as spheres, rods, cubes, leaf‐shaped flakes, cross‐flowers and wrinkled cubes were obtained by varying the concentration of CSP, the addition sequence of ZIF‐8 precursors and the ratio of oil‐water.

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Section: Introductionmentioning

confidence: 99%

Tunable Polymer Micelles as Template Directing Growth of MOFs Crystals in Surfactant‐Free Emulsion to Fabricate Chitosan‐Based Copolymer/ZIF‐8 Nanostructure

Zhao,

Li,

Guo

et al. 2024

ChemNanoMat

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“…Simultaneously, MOFs with poor stability can be combined with nanomaterials to improve their water stability and adsorption performance, which has become a research focus in the field of adsorption [ 19 , 20 ]. Graphene oxide (GO) is preferred because of its high concentration of oxygen-containing functional groups, large specific surface area, and unique carbon structure [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

Effective Removal of Tetracycline from Water Using Copper Alginate @ Graphene Oxide with In-Situ Grown MOF-525 Composite: Synthesis, Characterization and Adsorption Mechanisms

Chen

et al. 2022

Nanomaterials

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For nanomaterials, such as GO and MOF-525, aggregation is the main reason limiting their adsorption performance. In this research, Alg-Cu@GO@MOF-525 was successfully synthesized by in-situ growth of MOF-525 on Alg-Cu@GO. By dispersing graphene oxide (GO) with copper alginate (Alg-Cu) with three-dimensional structure, MOF-525 was in-situ grown to reduce aggregation. The measured specific surface area of Alg-Cu@GO@MOF-525 was as high as 807.30 m2·g−1, which is very favorable for adsorption. The synthesized material has affinity for a variety of pollutants, and its adsorption performance is significantly enhanced. In particular, tetracycline (TC) was selected as the target pollutant to study the adsorption behavior. The strong acid environment inhibited the adsorption, and the removal percentage reached 96.6% when pH was neutral. Temperature promoted the adsorption process, and 318 K adsorption performance was the best under experimental conditions. Meanwhile, 54.6% of TC could be removed in 38 min, and the maximum adsorption capacity reached 533 mg·g−1, far higher than that of conventional adsorption materials. Kinetics and isotherms analysis show that the adsorption process accords with Sips model and pseudo-second-order model. Thermodynamic study further shows that the chemisorption is spontaneous and exothermic. In addition, pore-filling, complexation, π-π stack, hydrogen bond and chemisorption are considered to be the causes of adsorption.

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Density functional theory study of dyes removal from colored wastewater by a nano-composite of polysulfone/polyethylene glycol

et al. 2022

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Nanoarchitecturing hybridized metal-organic framework/graphene nanosheet for removal of an organic pollutant

Cited by 15 publications

References 49 publications

Tunable Polymer Micelles as Template Directing Growth of MOFs Crystals in Surfactant‐Free Emulsion to Fabricate Chitosan‐Based Copolymer/ZIF‐8 Nanostructure

Tunable Polymer Micelles as Template Directing Growth of MOFs Crystals in Surfactant‐Free Emulsion to Fabricate Chitosan‐Based Copolymer/ZIF‐8 Nanostructure

Effective Removal of Tetracycline from Water Using Copper Alginate @ Graphene Oxide with In-Situ Grown MOF-525 Composite: Synthesis, Characterization and Adsorption Mechanisms

Density functional theory study of dyes removal from colored wastewater by a nano-composite of polysulfone/polyethylene glycol

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