Graphene-Assisted Magnetic Iron Carbide Nanoparticle Growth

Alahmadi, M.; Siaj, Mohamed

doi:10.1021/acsanm.8b01794

Cited by 7 publications

(5 citation statements)

References 53 publications

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“…The binding energy of 401.1 eV in the N 1s XPS spectra (Figure S7c) can be assigned to NH–C on ferrocenylmethyl-dimethylammonium nitrate, and the binding energy of the N atom on NO 3 – appears to be 406.4 eV. More importantly, as shown in Figure b, two obvious peaks appear in the Fe 2p XPS spectrum, corresponding to the Fe 2p 3/2 peak at 708.3 eV and Fe 2p 1/2 peak at 720.8 eV; these peaks are similar to those corresponding to an iron carbide nanoparticle–graphene composite reported in the literature . These findings illustrated that GO–FcMANO 3 composite materials were successfully synthesized.…”

Section: Resultssupporting

confidence: 56%

“…More importantly, as shown in Figure 2b, two obvious peaks appear in the Fe 2p XPS spectrum, corresponding to the Fe 2p 3/2 peak at 708.3 eV and Fe 2p 1/2 peak at 720.8 eV; these peaks are similar to those corresponding to an iron carbide nanoparticle−graphene composite reported in the literature. 65 These findings illustrated that GO−FcMANO 3 composite materials were successfully synthesized.…”

Section: Methodsmentioning

confidence: 83%

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Graphene Oxide–(Ferrocenylmethyl) Dimethylammonium Nitrate Composites as Catalysts for Ammonium Perchlorate Thermolysis

Jiang¹,

Fu²,

Meng³

et al. 2022

ACS Appl. Nano Mater.

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Graphene oxide has attracted attention due to its excellent catalytic properties, and it is expected to be used in the field of burning rate catalysis. To investigate the synergistic effect of graphene oxide and ferrocene derivatives, graphene oxide–(ferrocenylmethyl) dimethylammonium nitrate composites (GO–FcMANO3) were prepared and characterized by X-ray photoelectron spectroscopy (XPS), Raman analysis, X-ray diffraction (XRD) and scanning electron microscopy (SEM), and their thermal stability and catalytic effect on ammonium perchlorate (AP) were studied by thermogravimetry–differential scanning calorimetry (TG–DSC) techniques. Based on interaction region indicator (IRI) analysis, electrostatic potential (ESP) and energy decomposition analysis on the basis of forcefield (EDA-FF), the dispersion effect is the dominant component of interaction energy, and the contribution of electrostatic attraction is small. The frontier molecular orbitals illustrate that a higher highest occupied molecular orbital (HOMO) energy makes GO–FcMANO3 more susceptible to oxidization and is more conducive to catalyzing AP decomposition. The TG data illustrated that the presence of GO in the composites increased the thermal stability of FcMANO3 during AP decomposition. The catalytic effect of GO–FcMANO3 for AP decomposition manifested in two ways: it advanced the peak temperature in the second stage of AP decomposition and reduced the exothermic temperature width between two stages; it also increased the heat released during AP decomposition. Combined kinetic analysis and the Friedman method provided more detailed information about the catalytic behavior of composites for AP thermolysis, and GO–FcMANO3 composites decreased the E a of the second stage of AP decomposition. The introduction of GO influenced the decomposition physical model of FcMANO3 for AP catalysis. The first stage of AP decomposition transformed from random nucleation and two-dimensional growth of nuclei model (A2) to random nucleation and three-dimensional growth of nuclei model (A3), and the second stage changed from the phase boundary-controlled reaction (R2) to random nucleation and two-dimensional growth of nuclei model (A2).

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Section: Resultssupporting

confidence: 56%

Section: Methodsmentioning

confidence: 83%

Graphene Oxide–(Ferrocenylmethyl) Dimethylammonium Nitrate Composites as Catalysts for Ammonium Perchlorate Thermolysis

Jiang¹,

Fu²,

Meng³

et al. 2022

ACS Appl. Nano Mater.

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“…Raman spectroscopy can provide further insight on the structure of the graphite-encapsulated nanoparticles ( Figure 2c ) and on the graphene flakes ( Figure 2d ) present in the composite material MGH-600. Both spectra bear the characteristic graphene D (~1,332 cm −1 ) and G (~1,585 cm −1 ) bands assigned to disorder/defects and C sp 2 , but the spectrum of the encapsulated nanoparticles exhibits in the range 200–600 cm −1 the iron carbide and/or zero valent iron peaks, with the latter possibly being overlapped by the former (Liu et al, 2014 ; Alahmadi and Siaj, 2018 ). Moreover, the spectrum of the graphene flake reveals a symmetrically shaped 2D peak (~2,666 cm −1 ) implying few layered graphene flakes.…”

Section: Resultsmentioning

confidence: 99%

Hierarchical Porous Graphene–Iron Carbide Hybrid Derived From Functionalized Graphene-Based Metal–Organic Gel as Efficient Electrochemical Dopamine Sensor

et al. 2020

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A metal-organic gel (MOG) similar in constitution to MIL-100 (Fe) but containing a lower connectivity ligand (5-aminoisophthalate) was integrated with an isophthalate functionalized graphene (IG). The IG acted as a structure-directing templating agent, which also induced conductivity of the material. The MOG@IG was pyrolyzed at 600 • C to obtain MGH-600, a hybrid of Fe/Fe 3 C/FeO x enveloped by graphene. MGH-600 shows a hierarchical pore structure, with micropores of 1.1 nm and a mesopore distribution between 2 and 6 nm, and Brunauer-Emmett-Teller surface area amounts to 216 m 2 /g. Furthermore, the MGH-600 composite displays magnetic properties, with bulk saturation magnetization value of 130 emu/g at room temperature. The material coated on glassy carbon electrode can distinguish between molecules with the same oxidation potential, such as dopamine in presence of ascorbic acid and revealed a satisfactory limit of detection and limit of quantification (4.39 × 10 −7 and 1.33 × 10 −6 M, respectively) for the neurotransmitter dopamine.

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“…It would be interesting to apply this type of studies to other plasmonic materials that are well-known, such as silver, copper, palladium, and aluminum [39,40,43] in order to have the influence of the nature of the plasmonic material on the LSPR shift in high pressure environment. We can extend this investigation type to other alternative plasmonic materials, such as transition-metal nitride nanoparticles [44], transparent conductive oxides [46], and iron carbide nanoparticles encapsulated by graphene [99], which are materials at lower costs having a better temperature stability. Moreover, the domain of the nanoplasmonics in high pressure environment can be applied to sensing of analytes, pollutants in high pressure media as the marine medium, for instance.…”

Section: Future Directionsmentioning

confidence: 99%

Nanoplasmonics in High Pressure Environment

Barbillon

2020

Photonics

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An explosion in the interest for nanoplasmonics has occurred in order to realize optical devices, biosensors, and photovoltaic devices. The plasmonic nanostructures are used for enhancing and confining the electric field. In the specific case of biosensing, this electric field confinement can induce the enhancement of the Raman signal of different molecules, or the localized surface plasmon resonance shift after the detection of analytes on plasmonic nanostructures. A major part of studies concerning to plasmonic modes and their application to sensing of analytes is realized in ambient environment. However, over the past decade, an emerging subject of nanoplasmonics has appeared, which is nanoplasmonics in high pressure environment. In last five years (2015–2020), the latest advances in this emerging field and its application to sensing were carried out. This short review is focused on the pressure effect on localized surface plasmon resonance of gold nanosystems, the supercrystal formation of plasmonic nanoparticles stimulated by high pressure, and the detection of molecules and phase transitions with plasmonic nanostructures in high pressure environment.

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Graphene-Assisted Magnetic Iron Carbide Nanoparticle Growth

Cited by 7 publications

References 53 publications

Graphene Oxide–(Ferrocenylmethyl) Dimethylammonium Nitrate Composites as Catalysts for Ammonium Perchlorate Thermolysis

Graphene Oxide–(Ferrocenylmethyl) Dimethylammonium Nitrate Composites as Catalysts for Ammonium Perchlorate Thermolysis

Hierarchical Porous Graphene–Iron Carbide Hybrid Derived From Functionalized Graphene-Based Metal–Organic Gel as Efficient Electrochemical Dopamine Sensor

Nanoplasmonics in High Pressure Environment

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