Facile synthesis of CuBTC and its graphene oxide composites as efficient adsorbents for CO2 capture

Shang, Shanshan; Tao, Zeyu; Yang, Chao; Hanif, Aamir; Li, Liangchun; Tsang, Daniel C.W.; Gu, Qinfen; Shang, Jin

doi:10.1016/j.cej.2020.124666

Cited by 113 publications

(44 citation statements)

References 43 publications

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“…The very similar CH 4 adsorption capacities of all the GO-containing samples (except HKUST-1@GO-2.5), 1.3 ± 0.1 mmol·g −1 on average, is only slightly lower than that of pure HKUST-1. Although the CO 2 adsorption capacity of HKUST-1 (4.0 mmol·g −1 ) is below the 6–8 mmol·g −1 reported by other groups [ 52 , 55 , 56 , 59 ], the uptake of the composites (except HKUST-1@GO-2.5), ca. 8.5 mmol·g −1 , is very close to the values published by other authors [ 52 , 55 , 56 , 59 ].…”

Section: Resultscontrasting

confidence: 55%

“…Although the CO 2 adsorption capacity of HKUST-1 (4.0 mmol·g −1 ) is below the 6–8 mmol·g −1 reported by other groups [ 52 , 55 , 56 , 59 ], the uptake of the composites (except HKUST-1@GO-2.5), ca. 8.5 mmol·g −1 , is very close to the values published by other authors [ 52 , 55 , 56 , 59 ]. On the basis of the morphological characteristics and the adsorption performance listed in Table 2 , HKUST-1@GO-2 was selected for further investigation.…”

Section: Resultscontrasting

confidence: 55%

“…The following elements of the mechanism have been recognized: (i) the oxygen-containing functional groups of the GO interact with the Cu 2+ ions, and the GO sheets thus provide nucleation sites for HKUST-1 growth; (ii) the presence of GO reduces the spatial freedom for crystal growth; (iii) too much GO disturbs the crystal formation; (iv) at high GO concentration, GO can agglomerate, which also may lead to distorted structures [ 55 , 56 , 68 ]. The interactions between the oxygen-containing functional groups and the copper ions may result in new micro-, meso- and/or macro-pore formation [ 54 , 56 , 59 , 68 ]. Interestingly, none of these studies address the possible influence of GO on the pH of the synthesis medium [ 70 ].…”

Section: Resultsmentioning

confidence: 99%

“…MOF-GO composites have excelled in gas adsorption applications as well [ 48 , 49 , 50 , 51 ]. The potential of MOF@GO, particularly HKUST-1@GO composites, in gas adsorption—including that of CH 4 , CO 2 and H 2 —has been widely studied [ 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 ]. Huang et al prepared HKUST-1@GO composite powders with 0.5–5 wt.% GO content for the separation of CO 2 /CH 4 .…”

Section: Introductionmentioning

confidence: 99%

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Graphene Oxide Protected Copper Benzene-1,3,5-Tricarboxylate for Clean Energy Gas Adsorption

et al. 2020

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Among microporous storage materials copper benzene-1,3,5-tricarboxylate (CuBTC MOF, Cu3(BTC)2 or HKUST-1) holds the greatest potential for clean energy gases. However, its usefulness is challenged by water vapor, either in the gas to be stored or in the environment. To determine the protection potential of graphene oxide (GO) HKUST-1@GO composites containing 0–25% GO were synthesized and studied. In the highest concentration, GO was found to strongly affect HKUST-1 crystal growth in solvothermal conditions by increasing the pH of the reaction mixture. Otherwise, the GO content had practically no influence on the H2, CH4 and CO2 storage capacities, which were very similar to those from the findings of other groups. The water vapor resistance of a selected composite was compared to that of HKUST-1. Powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric (TG/DTG) and N2 adsorption techniques were used to monitor the changes in the crystal and pore structure. It was found that GO saves the copper–carboxyl coordination bonds by sacrificing the ester groups, formed during the solvothermal synthesis, between ethanol and the carboxyl groups on the GO sheets.

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Section: Resultscontrasting

confidence: 55%

Section: Resultscontrasting

confidence: 55%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Graphene Oxide Protected Copper Benzene-1,3,5-Tricarboxylate for Clean Energy Gas Adsorption

et al. 2020

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“…Otherwise, CuBTC could not be formed at the relatively low temperature without adding DMF. 96 Different from the previous synthesis process, the modied GO interacting with ligands prior to metal ions can also affect the structure and therefore properties. Xu et al fabricated a layered rGO/UiO-66-NH 2 sandwich hybrid using a noncovalent methodology for graphene modication combined with an in situ self-assembly technique.…”

Section: Design and Preparation Of Mof/graphene Nanocompositesmentioning

confidence: 99%

Recent progress in metal–organic framework/graphene-derived materials for energy storage and conversion: design, preparation, and application

et al. 2021

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Metal–Organic Frameworks for CO₂ Separation from Flue and Biogas Mixtures

Sahoo

Mondal

Mukherjee

et al. 2022

Adv Funct Materials

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Great efforts have been made toward the separation of CO 2 from flue gas and biogas to mitigate environmental pollution and the demand for renewable fuels, respectively. Nonthermal-based separations, such as adsorption-based or membrane-separation technology employing porous materials, are considered to be more promising than traditional cryogenic and absorption-based systems. Due to several advantages of metal-organic frameworks (MOFs) over other conventional porous materials, reports on flue and biogas separation by MOFs are burgeoning (423 for adsorption and 56 for membrane-based separations until June 2021) and demand urgent summarization. This review presents a bird's eye view on such separations while organizing the developed strategies and considering several performance parameters, such as tradeoff between sorption capacity and separation selectivity in adsorption-based systems and permeability versus separation selectivity in membrane-based systems. In addition, the mechanisms involving such separations at the molecular level are presented. A critical discussion section offers more crucial insights into these materials from industrial deployment viewpoints. Finally, future recommendations are made for further developments of MOF materials as flue and biogas separators and thus toward solving both the challenging universal problems of global warming and energy scarcity simultaneously.

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Facile synthesis of CuBTC and its graphene oxide composites as efficient adsorbents for CO2 capture

Cited by 113 publications

References 43 publications

Graphene Oxide Protected Copper Benzene-1,3,5-Tricarboxylate for Clean Energy Gas Adsorption

Graphene Oxide Protected Copper Benzene-1,3,5-Tricarboxylate for Clean Energy Gas Adsorption

Recent progress in metal–organic framework/graphene-derived materials for energy storage and conversion: design, preparation, and application

Metal–Organic Frameworks for CO₂ Separation from Flue and Biogas Mixtures

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Facile synthesis of CuBTC and its graphene oxide composites as efficient adsorbents for CO2 capture

Cited by 113 publications

References 43 publications

Graphene Oxide Protected Copper Benzene-1,3,5-Tricarboxylate for Clean Energy Gas Adsorption

Graphene Oxide Protected Copper Benzene-1,3,5-Tricarboxylate for Clean Energy Gas Adsorption

Recent progress in metal–organic framework/graphene-derived materials for energy storage and conversion: design, preparation, and application

Metal–Organic Frameworks for CO2 Separation from Flue and Biogas Mixtures

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Product

Resources

About

Metal–Organic Frameworks for CO₂ Separation from Flue and Biogas Mixtures