Investigation of Oxidation in Boron-Containing Nanotubes

Boroznin, S. V.; Запороцкова, И. В.; Perevalova, Elena V.

doi:10.1166/nnl.2012.1464

Cited by 5 publications

(2 citation statements)

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“…It is probably due to the strong oxidation ability of BC 3 , which is even superior to carbon fibers [32]. Apart from that, it has been proved that BC 3 has a strong ability to absorb oxygen [33]. The accumulation of oxygen also promotes the phase transition.…”

Section: Resultsmentioning

confidence: 99%

Boron triggers the phase transformation of Mo _x C (α-MoC_1−x/β-Mo₂C) for enhanced hydrogen production

Chen¹,

Guo²,

Wu³

et al. 2019

Nanotechnology

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As highly efficient non-precious metal-based catalysts for the hydrogen evolution reaction (HER), molybdenum carbides have attracted much attention over the phase and structure modification for the improvement of HER performances. In this work, a novel strategy is proposed to modulate phases of molybdenum carbides by boron doping, so that the HER performances can be well controlled. After B-doping, the HER activity of the as-prepared B30 catalyst is significantly enhanced with a much smaller Tafel slope of 78 mV dec−1 than that of the blank one (134 mV dec−1), which originates from the increased amount of active sites, enhanced turnover frequency of each active site and reduced electron transfer resistance. Moreover, this work could broaden our view of phase regulation and provide more possible perspectives for the application in other fields.

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Section: Resultsmentioning

confidence: 99%

Boron triggers the phase transformation of Mo _x C (α-MoC_1−x/β-Mo₂C) for enhanced hydrogen production

Chen¹,

Guo²,

Wu³

et al. 2019

Nanotechnology

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“…The carrier migration and heat diffusion of two-dimensional materials, such as graphene, − transition metal dichalcogenides (TMDCs), , MXenes, , hexagonal boron nitride, , etc., are confined to the two-dimensional plane, − which makes these materials exhibit many strange properties. Among them, TMDCs are MX 2 -type two-dimensional materials, where M is the transition metal (Mo, W, etc.)…”

Section: Introductionmentioning

confidence: 99%

Adsorption of SF₆ Decomposition Products by the S Vacancy Structure and Edge Structure of SnS₂: A Density Functional Theory Study

et al. 2021

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Detecting the composition and concentration of SF6 decomposition products is an effective method to evaluate the state of gas-insulated switchgear. Based on density functional theory, in this work we investigated the adsorption properties of four typical SF6 decomposition products (H2S, SO2, SOF2, SO2F2) on an SnS2 S vacancy structure (SnS2-Sv) and SnS2 edge structure (SnS2-edge). By calculating the adsorption energy, charge transfer, and comparing the density of states (DOS) of each system before and after the adsorption of gas molecules, the physical and chemical interactions between SnS2 with different structures and gas molecules were investigated. The results show that SnS2-Sv has the largest adsorption energy for SO2 and has obvious chemical interactions. The S vacancy can effectively capture an O atom in SO2, causing SO2 to firmly adsorb in the S vacancy. In addition, the adsorption of the four gases on the SnS2-edge is physical adsorption, in which the 50% S edge structure has the largest adsorption energy for H2S, reaching −0.52 eV, and there is also a large charge transfer between the 50% S edge structure and H2S. Although the adsorption energy of SnS2-edge to the four gases is smaller than SnS2-Sv, it is still greater than the pristine SnS2. This paper explores the adsorption properties of SnS2-Sv and SnS2-edge for SF6 decomposition products, providing insights for the development of SnS2-based gas sensors.

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Investigation of interaction of borocarbon nanotubes with gas phase atoms

Boroznin

Запороцкова

Борознина

et al. 2020

J. Phys.: Conf. Ser.

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During the study of adsorption interaction by computer modeling, it was found that adsorption of oxygen, fluorine and chlorine atoms is possible on the surface of a carbon nanotube. In the course of comparing the surface sorption activity of BC5 nanotubes with respect to various chemical elements, it was found that the interaction of the oxygen atom with the surface of the borocarbon nanotube is the most energetically advantageous. The introduction of boron atoms promotes a more active addition of oxygen, fluorine and chlorine atoms to the surface of the nanotube, that is, structural modification leads to an increase in the sorption activity of carbon nanotubes.

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Investigation of Oxidation in Boron-Containing Nanotubes

Cited by 5 publications

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Boron triggers the phase transformation of Mo _x C (α-MoC_1−x/β-Mo₂C) for enhanced hydrogen production

Boron triggers the phase transformation of Mo _x C (α-MoC_1−x/β-Mo₂C) for enhanced hydrogen production

Adsorption of SF₆ Decomposition Products by the S Vacancy Structure and Edge Structure of SnS₂: A Density Functional Theory Study

Investigation of interaction of borocarbon nanotubes with gas phase atoms

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Investigation of Oxidation in Boron-Containing Nanotubes

Cited by 5 publications

References 0 publications

Boron triggers the phase transformation of Mo x C (α-MoC1−x /β-Mo2C) for enhanced hydrogen production

Boron triggers the phase transformation of Mo x C (α-MoC1−x /β-Mo2C) for enhanced hydrogen production

Adsorption of SF6 Decomposition Products by the S Vacancy Structure and Edge Structure of SnS2: A Density Functional Theory Study

Investigation of interaction of borocarbon nanotubes with gas phase atoms

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Product

Resources

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Boron triggers the phase transformation of Mo _x C (α-MoC_1−x/β-Mo₂C) for enhanced hydrogen production

Boron triggers the phase transformation of Mo _x C (α-MoC_1−x/β-Mo₂C) for enhanced hydrogen production

Adsorption of SF₆ Decomposition Products by the S Vacancy Structure and Edge Structure of SnS₂: A Density Functional Theory Study