Robust and efficient catalyst derived from bimetallic Zn/Co zeolitic imidazolate frameworks for CO2 conversion

Chaemchuen, Somboon; Xiao, Xuan; Ghadamyari, Marzieh; Mousavi, Bibimaryam; Klomkliang, Nikom; Yuan, Ye

doi:10.1016/j.jcat.2018.11.027

Cited by 68 publications

(33 citation statements)

References 35 publications

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“…These results indicate successful preparation of the ZIF@MIL heterojunction. Comparing the N 1s XPS peaks, that of ZIF@MIL (Figure 3f) is significantly positively shifted compared with that of ZIF‐67 (Figure S10e), which shows that the coordinating N moiety changes from 2‐methylimidazole to pyrrolic N [31] . In the XPS patterns for ZIF‐67 and MIL‐100, the Co 2p region features two peaks at 796.85 and 780.97 eV, attributable to Co 2p 1/2 and Co 2p 3/2 , respectively (Figure S10b).…”

Section: Resultsmentioning

confidence: 98%

Preparation of a Dual‐MOF Heterostructure (ZIF@MIL) for Enhanced Oxygen Evolution Reaction Activity

Zhao

Wang

Cheng

et al. 2020

Chemistry An Asian Journal

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Although metal‐organic frameworks have proven to be excellent electrocatalytic materials, their application as electrode materials remains limited. The preparation of heterostructures is considered an effective method to improve catalytic activity. Herein, we describe the design and assembly of a dual‐MOF heterostructure (CoNi−ZIF‐67@Fe−MIL‐100, denoted ZIF@MIL). Specifically, we grew a layer of MIL‐100 in situ on a bimetallic ZIF‐67 surface using a solvothermal method. We demonstrate that the ZIF@MIL has remarkable OER electrocatalytic performance, requiring a low overpotential and showing a small Tafel slope, compared to pure ZIF‐67 and MIL‐100 in 1.0 m KOH. More importantly, it has excellent operational durability for 50 h at 100 mA cm−2. The high catalytic activity of ZIF@MIL can be attributed to the heterostructure that can expose more active sites, the synergistic effect between ZIF‐67 and MIL‐100, and improvement of electron transfer ability. Our work provides a new way to design and prepare dual‐MOF crystals with different structures as electrocatalysts.

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Section: Resultsmentioning

confidence: 98%

Preparation of a Dual‐MOF Heterostructure (ZIF@MIL) for Enhanced Oxygen Evolution Reaction Activity

Zhao

Wang

Cheng

et al. 2020

Chemistry An Asian Journal

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“…For what concerns the last point, ZIF-8 has recently been reported to catalyze the carbonation of epichlorohydrin to chloropropene carbonate [33] and the carbonation of styrene oxide to styrene carbonate [34], in the absence of a co-catalyst or solvents, unlike other MOFs [13,35,36]. Recently, a carbon derived from ZIF-8 has been proved to catalyze the CO 2 reaction with propylene oxide [37] but ZIF-8 catalytic activity for the carbonation of ethylene and propylene oxides, although their larger importance, has never been tested before. In this study, we have employed infrared spectroscopy to check the feasibility of the reactions between CO 2 and ethylene oxide (hereafter, EtO) and CO 2 and propylene oxide (hereafter, PrO) on ZIF-8 at 40 • C and subatmospheric pressures without cocatalysts or solvents.…”

Section: Methodsmentioning

confidence: 99%

ZIF-8 as a Catalyst in Ethylene Oxide and Propylene Oxide Reaction with CO2 to Cyclic Organic Carbonates

2019

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CO2 is an important by-product in epoxides synthesis, accounting for 0.02% of worldwide greenhouse emissions. The CO2 cycloaddition to ethylene and propylene oxides is an important class of reactions due to the versatile nature of the corresponding organic carbonates as chemical feedstocks. We report that these reactions can be catalyzed by ZIF-8 (Zeolitic Imidazole Framework-8) in the absence of solvent or co-catalyst and in mild conditions (40 °C and 750 mbar). In situ infrared spectroscopy places the onset time for ethylene and propylene carbonate formation to 80 and 30 min, respectively. Although there is low catalytic activity, these findings suggest the possibility to cut the CO2 emissions from epoxides production through their direct conversion to these highly valuable chemical intermediates, eliminating de facto energetically demanding steps as the CO2 capture and storage.

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“…A robust and easily collected pyrolyzed bimetallic Zn/Co ZIF catalyst was successfully synthesized by Chaemchuen et al, and it showed high catalytic activity for the cycloaddition of CO 2 into epoxides. The metal dispersion and catalytic properties of the catalyst were improved by the Co species hybrid with N species in the carbon matrix wall (Chaemchuen et al, 2019 ).…”

Section: Mof-derived Carbon Materials In Co 2 Thermentioning

confidence: 99%

“…The catalytic reduction of carbon dioxide (CO 2 ) to value-added products is an effective way of alleviating the severe environmental problem of global warming (Ran et al, 2018 ; Li et al, 2019 ). Great efforts have been devoted to developing advanced CO 2 conversion systems, including CO 2 electrochemical (Tripkovic et al, 2013 ; Ma et al, 2017 ; Wang et al, 2017 ), photocatalytic (Crake et al, 2017 ; Pipelzadeh et al, 2017 ; Cardoso et al, 2018 ; Li et al, 2019 ), and thermal catalytic reduction systems (Chaemchuen et al, 2019 ; Lin et al, 2019 ; Zeng et al, 2020 ). For these CO 2 conversion systems, the key factor which impacts the efficiency and conversion rate is the CO 2 reduction catalyst (Samanta et al, 2012 ; Zheng et al, 2017 ; Yaashikaa et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Carbon Nanomaterials From Metal-Organic Frameworks: A New Material Horizon for CO2 Reduction

et al. 2020

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The rise of CO 2 in the atmosphere, which results in severe climate change and temperature increase, is known as the major reason for the greenhouse effect. Reducing CO 2 to value-added products is an attractive solution to this severe problem, along with addressing the energy crisis, to which the catalysts being employed are of vital importance. Due to their high porosity and tunable compositions, metal-organic frameworks (MOFs) show great potential in energy conversion systems. By thermal or chemical treatment methods, the MOFs are easily turned into MOF-derived carbon nanomaterials. The much higher level of conductivity enables MOF-derived carbon nanomaterials to be employed in CO 2 conversion processes. The present review, discusses the state of the art of MOF-derived carbon nanomaterials in CO 2 electrochemical, photocatalytic, and thermal reduction applications. The corresponding reaction mechanisms and influence of various factors on catalyst performance are elaborated. Finally, the deficiencies and recommendations are provided for future progress.

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Robust and efficient catalyst derived from bimetallic Zn/Co zeolitic imidazolate frameworks for CO2 conversion

Cited by 68 publications

References 35 publications

Preparation of a Dual‐MOF Heterostructure (ZIF@MIL) for Enhanced Oxygen Evolution Reaction Activity

Preparation of a Dual‐MOF Heterostructure (ZIF@MIL) for Enhanced Oxygen Evolution Reaction Activity

ZIF-8 as a Catalyst in Ethylene Oxide and Propylene Oxide Reaction with CO2 to Cyclic Organic Carbonates

Carbon Nanomaterials From Metal-Organic Frameworks: A New Material Horizon for CO2 Reduction

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