Removal of Congo red dye from aqueous solution with nickel-based metal-organic framework/graphene oxide composites prepared by ultrasonic wave-assisted ball milling

Zhao, Shuaiqi; Chen, Ding; Wei, Fuhua; Chen, Nini; Zhao, Liang; Luo, Yun

doi:10.1016/j.ultsonch.2017.06.013

Cited by 146 publications

(40 citation statements)

References 67 publications

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“…The nitrogen adsorption‐desorption isotherms of Cu‐BTC are reported in Figure . As showed in Figure , the isotherms of Cu‐BTC are belong to Type‐I (b) isotherms . They rise sharply at low relative pressure and then reach to plateau, meaning the micro‐porous structure of the Cu‐BTC.…”

Section: Resultsmentioning

confidence: 91%

Synthesis of Cu‐BTC Metal‐Organic Framework by Ultrasonic Wave‐Assisted Ball Milling with Enhanced Congo Red Removal Property

2018

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Cu‐BTC (BTC=1,3,5‐benzenetricarboxylate) metal‐organic framework (MOF) with truncated octahedral morphology was synthesized by ultrasonic wave‐assisted ball milling at room temperature and atmospheric pressure. It was characterized by X‐ray powder diffraction (XRD), thermo‐gravimetric analysis (TGA), nitrogen adsorption and scanning electron microscopy (SEM). The parameters such as synthetic method, reaction time and raw material molar ratio (H3BTC: Cu2+) were studied to tune the growth of Cu‐BTC crystals. Adsorption of Congo red (CR) on Cu‐BTC was studied in respect of adsorption kinetics, isotherm and thermodynamics. Pseudo‐second‐order kinetics and Langmuir adsorption isotherm model were matched well with the adsorption process. The maximum adsorption capacity (Qm) was 884.96 mg/g, attributed to the interfacial effect in (100) facets. Thermodynamic parameters confirmed that the adsorption was a spontaneous and endothermic process, and entropy effect was the driving force for adsorption process.

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Section: Resultsmentioning

confidence: 91%

Synthesis of Cu‐BTC Metal‐Organic Framework by Ultrasonic Wave‐Assisted Ball Milling with Enhanced Congo Red Removal Property

2018

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“…The chart indicates that the adsorption on Ni‐MOFs@GO was endothermic. The structure of the composite is presented in Figure g, which indicated that the Ni‐MOFs are decorated well with GO; some wrinkles can be observed on the surface of GO according to its characteristics, along with the MOFs being embedded in the GO layers . As shown in Figure f, solvothermal‐synthesized MIL‐68 (Al) crystals grow on the nearly vertical planes of GO constructing a clear sandwich structure, which reflects that there is a chemical interaction between MIL‐68 (Al) and GO.…”

Section: Water Purificationmentioning

confidence: 88%

“…In addition, most of these pollutants are organic matter, and the introduction of these organic pollutants into environmental water is a serious issue that has attracted the attention of a large number of researchers . Fortunately, with excellent tunability and porosity, MOFs are considered to be a suitable adsorbent for these organic pollutants . Moreover, the concept of assembling MOFs and graphene‐based materials has been proposed and is believed to be able to hide the poor stability of MOFs and to create new pore space .…”

Section: Water Purificationmentioning

confidence: 99%

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Metal‐Organic Frameworks/Graphene‐Based Materials: Preparations and Applications

Zheng

Xue

et al. 2018

Adv Funct Materials

253

107

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Metal-organic frameworks (MOFs), a new class of crystalline porous materials, can be applied in many fields as adsorbents, supercapacitors, catalysts, and so on because of, among others, their superior properties of large surface area, tunable pore size, diverse structures. However, the low stability and selectivity of traditional MOFs indicate that they are not the best configuration for the applications outlined above. In this case, a type of composite made from an assembly of graphene-based materials and MOFs that exhibits the advantages of the parent materials has attracted widespread attention in recent years. This review provides an overview of the recent developments of MOF/graphene-based materials, focusing on their applications in gas separation/storage, water purification, chemical sensors, batteries, supercapacitors, and catalysts, as well as their preparation methods.The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adfm.201804950. traditional method, they can be excellent alternatives of single MOFs to overcome the above-mentioned difficulties. [34][35][36][37][38] Graphene-based materials have recently introduced new possible applications because of their unique structure and low toxicity, as well as their excellent electronic, thermal, electrochemical, and mechanical properties. [39] More recently, many reports have confirmed that the introduction of graphene-based materials into other materials can lead to surprising improvements in electronic conductivity and stability. [38,40] Under these circumstances, it is reasonable to consider whether composites made from the assembly of graphene-based materials and MOFs possess extraordinary characteristics given that the parent materials have complementary properties. [40][41][42] Naturally, the idea of hybridizing graphene derivatives with MOFs materialized and soon attracted widespread attention. [43][44][45] According to recent research, composites of MOF/graphene-based materials can integrate the advantages and mitigate the shortcomings of the individual components perfectly, enabling the composites to possess improved stability, enhanced electrical conductivity, high selectivity, and template effects. [34,[46][47][48][49] With the combination of MOF and graphene-based materials, the unexpected interactions take place and bring unique performance in many applications. Thanks to the ionic groups and the aromatic sp 2 domains, graphene-based materials can not only function as structural nodes, but also participate in bonding interactions, which would be more active in MOFs. What's more, carboxylate and pyridine groups of graphene-based materials play important part in the assemble, which could enhance the coordination bonding and guide the growth of MOF, providing a more beneficial structure. These special interactions are unique in MOF/graphenebased materials, which indicates that this kind of materials deserve more attention. As concluded in Scheme 1, the addition of graphene-based material...

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“…Effect of time: Ni-MOF (0.1 g) weighed in duplicate and transferred into 2 sample vials. Metal ion solution of 10 mL of working solution was added to each weighed sample and equilibrated by agitation for different time intervals of 1,5,15,25,45,65 and 85 min. The powered sample suspension was centrifuged for 5 min at 5000 rpm and decanted.…”

Section: Methodsmentioning

confidence: 99%

Adsorption Study of Lead Ions on Nickel-Metal Organic Framework

et al. 2019

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Nickel(II) based metal-organic framework (MOF) was synthesized using terephthalic acid, C6H4(COOH)2 as an organic linker. This MOF was characterized and used as an adsorbent for the removal of lead ions in aqueous medium. Characterization was conducted by X-ray diffraction, Fourier transform infrared spectroscopy, thermal gravimetric analysis and scanning electron microscopy techniques. The removal of Pb2+ ions from aqueous medium varied with contact time, concentration, pH and temperature.

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Removal of Congo red dye from aqueous solution with nickel-based metal-organic framework/graphene oxide composites prepared by ultrasonic wave-assisted ball milling

Cited by 146 publications

References 67 publications

Synthesis of Cu‐BTC Metal‐Organic Framework by Ultrasonic Wave‐Assisted Ball Milling with Enhanced Congo Red Removal Property

Synthesis of Cu‐BTC Metal‐Organic Framework by Ultrasonic Wave‐Assisted Ball Milling with Enhanced Congo Red Removal Property

Metal‐Organic Frameworks/Graphene‐Based Materials: Preparations and Applications

Adsorption Study of Lead Ions on Nickel-Metal Organic Framework

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