Magnetic porous carbons with high adsorption capacity synthesized by a microwave-enhanced high temperature ionothermal method from a Fe-based metal-organic framework

Xiao, Jiaying; Qiu, Ling-Guang; Jiang, Xin; Zhu, Yujun; Ye, Sheng; Xia, Junqiang

doi:10.1016/j.carbon.2013.03.032

Cited by 126 publications

(55 citation statements)

References 76 publications

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“…5A shows the deconvoluted Fe 2p XPS spectra for the samples. In the MOF(Fe) sample, the peaks at 711.6 and 725.2 eV are due to Fe 2p 3/2 and Fe 2p 1/2 , respectively.The spin-energy separation of 13.6 eV as well as the satellite peak at 718.2 eV confirms the presence of Fe(III) species 55,56. Additionally, the peak at the binding energy of 714.9 eV is a surface peak 57.…”

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confidence: 57%

Synthesis of an ε-MnO₂/metal–organic-framework composite and its electrocatalysis towards oxygen reduction reaction in an alkaline electrolyte

et al. 2015

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Electronic supplementary information (ESI) available: pore size distributions, EDX data, MOF(Fe) element mapping, C1s and O1s XPS spectra, RHE calibration, Electrochemical impedance spectra, MOF(Fe) CV curves, RDE voltammograms and corresponding K-L curves, MnO 2 ORR activities comparison, HORR and ORR catalytic activities comparison, and methanol crossover tests. AbstractAn ε-MnO 2 /metal-organic-framework(Fe) (i.e., ε-MnO 2 /MOF(Fe)) composite was synthesised by integrating ε-MnO 2 and a MOF(Fe) support. The composite was characterised using X-ray diffraction, N 2 adsorption-desorption, field emission scanning electron microscopy, transmission electron microscopy, element mapping, Fourier transform infrared spectroscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. The ORR activity of the composite was evaluated by cyclic and linear sweep voltammetries in an alkaline electrolyte. The results revealed that in the ε-MnO 2 /MOF(Fe) composite, ε-MnO 2 are in the form of nanorods, each with one end protruding and the other firmly anchored on the MOF(Fe) matrix with a high porosity and a high specific surface area. This unique structure of the composite is advantageous for oxygen diffusion and contact with the ε-MnO 2 during reactions, resulting in much better ORR activity and stability than those of the ε-MnO 2 in an alkaline electrolyte. The ε-MnO 2 /MOF(Fe)-catalysed ORR favours an apparent 4-electron transfer pathway in which oxygen was firstly reduced to hydroperoxide, which was further chemically decomposed into primarily OH -and O 2 .

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confidence: 57%

Synthesis of an ε-MnO₂/metal–organic-framework composite and its electrocatalysis towards oxygen reduction reaction in an alkaline electrolyte

et al. 2015

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“…In addition, for the synthesis of magnetic porous carbons by a microwave-enhanced high temperature iono-thermal method which showed high adsorption capacity for MB azo dye from aqueous solution (303.95 mg g À1 ) (Xiao et al, 2013).…”

Section: Adsorptive Removal Of Azo Dyesmentioning

confidence: 99%

Emerging adsorptive removal of azo dye by metal–organic frameworks

et al. 2016

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“…For instance, nanoporous carbons derived from ZIF-67, MIL-100 and MOF-5 were prepared, and they had improved adsorption capacity for the removal of MB from water [1,37,38]. The nanoporous carbon was also obtained by carbonizing ZIF-8 at 800 C [2,39].…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Effect of carbonization temperature on adsorption property of ZIF-8 derived nanoporous carbon for water treatment

Abbasi

Shamsaei

Leong

et al. 2016

Microporous and Mesoporous Materials

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Effect of carbonization temperature on adsorption property of ZIF-8 derived nanoporous carbon for water treatment, Microporous and Mesoporous Materials (2016), doi: 10.1016/j.micromeso.2016 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. AbstractThe heat treatment effect on the adsorption capabilities of nanoporous carbon particles derived from Zeolitic Imidazolate Framework-8 (ZIF-8) was investigated at 600, 1000 and 1200 C in this study. The results showed that heat treatment at 1000 C had a significant effect on the adsorption capacity of ZIF-8 (almost 10 times) for the removal of methylene blue (MB) dye from water. Nanoporous carbons were synthesized by direct carbonization of ZIF-8. SEM and TEM images showed that the carbon resulting from ZIF-8 carbonization at various temperatures retained the original structure and morphology of ZIF-8. The carbon nanoparticles carbonized at 1000 C exhibited outstanding adsorption capacities (186.3 mg/g) compared to nanoparticles carbonized at 600 C (49.5 mg/g) and 1200 C (36.7 mg/g) as wellas ZIF-8 (19.5 mg/g) due to the change in surface charge and pore size distribution. The surface functionalities of materials were also characterized by Raman Spectroscopy, N 2 M A N U S C R I P T A C C E P T E D ACCEPTED MANUSCRIPT2 adsorption-desorption, FTIR and TGA. The surface charge of the carbon particles changed from positive (ZIF-8) to negative as a result of conversion to carbon confirmed by zeta potential of the samples. The ZIF-8 derived carbon nanoparticles were found to be efficient adsorbents for water treatment purposes due to the satisfactory adsorption properties such as high adsorption capacity and good wettability.

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Magnetic porous carbons with high adsorption capacity synthesized by a microwave-enhanced high temperature ionothermal method from a Fe-based metal-organic framework

Cited by 126 publications

References 76 publications

Synthesis of an ε-MnO₂/metal–organic-framework composite and its electrocatalysis towards oxygen reduction reaction in an alkaline electrolyte

Synthesis of an ε-MnO₂/metal–organic-framework composite and its electrocatalysis towards oxygen reduction reaction in an alkaline electrolyte

Emerging adsorptive removal of azo dye by metal–organic frameworks

Effect of carbonization temperature on adsorption property of ZIF-8 derived nanoporous carbon for water treatment

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Magnetic porous carbons with high adsorption capacity synthesized by a microwave-enhanced high temperature ionothermal method from a Fe-based metal-organic framework

Cited by 126 publications

References 76 publications

Synthesis of an ε-MnO2/metal–organic-framework composite and its electrocatalysis towards oxygen reduction reaction in an alkaline electrolyte

Synthesis of an ε-MnO2/metal–organic-framework composite and its electrocatalysis towards oxygen reduction reaction in an alkaline electrolyte

Emerging adsorptive removal of azo dye by metal–organic frameworks

Effect of carbonization temperature on adsorption property of ZIF-8 derived nanoporous carbon for water treatment

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Synthesis of an ε-MnO₂/metal–organic-framework composite and its electrocatalysis towards oxygen reduction reaction in an alkaline electrolyte

Synthesis of an ε-MnO₂/metal–organic-framework composite and its electrocatalysis towards oxygen reduction reaction in an alkaline electrolyte