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Garcia-Merino, Jose AntonioAuthor

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September 12, 2024
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The Synthesis of Sponge-like V2O5/CNT Hybrid Nanostructures Using Vertically Aligned CNTs as Templates

Publicated to: Nanomaterials. 14 (2): 211- - 2024-01-01 14(2), DOI: 10.3390/nano14020211

Authors:

Picuntureo, Matias; Garcia-Merino, Jose Antonio; Villarroel, Roberto; Hevia, Samuel A
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Affiliations

Pontificia Univ Catolica Chile, Ctr Invest Nanotecnol & Mat Avanzados, CIEN UC, Av Vicuna Mackenna 4860, Santiago 6904411, Chile - Author
Pontificia Univ Catolica Chile, Inst Fis, Av Vicuna Mackenna 4860, Santiago 6904411, Chile - Author
Pontificia Univ Catolica Chile, Millennium Inst Green Ammonia Energy Vector MIGA, Av Vicuna Mackenna 4860, Santiago 6904411, Chile - Author
Univ Tecnol Metropolitana, Fac Ciencias Nat Matemat & Medio Ambiente, Dept Fis, Palmeras 3360, Nunoa 7800003, Chile - Author
Univ Tecnol Metropolitana, Fac Ingn, Dept Mecan, Av Jose Pedro Alessandri 1242, Nunoa 7800003, Chile - Author
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Abstract

The fabrication of sponge-like vanadium pentoxide (V2O5) nanostructures using vertically aligned carbon nanotubes (VACNTs) as a template is presented. The VACNTs were grown on silicon substrates by chemical vapor deposition using the Fe/Al bilayer catalyst approach. The V2O5 nanostructures were obtained from the thermal oxidation of metallic vanadium deposited on the VACNTs. Different oxidation temperatures and vanadium thicknesses were used to study the influence of these parameters on the stability of the carbon template and the formation of the V2O5 nanostructures. The morphology of the samples was analyzed by scanning electron microscopy, and the structural characterization was performed by Raman, energy-dispersive X-ray, and X-ray photoelectron spectroscopies. Due to the catalytic properties of V2O5 in the decomposition of carbonaceous materials, it was possible to obtain supported sponge-like structures based on V2O5/CNT composites, in which the CNTs exhibit an increase in their graphitization. The VACNTs can be removed or preserved by modulating the thermal oxidation process and the vanadium thickness.
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Keywords

Carbon nanotubesCathode materialChemical vapor depositionElectron beam depositionGraphite gasificationGrowthIon batteriesMetal-oxideOxygePerformanceThermal oxidatioThin-filmsVanadium pentoxideVertically aligned carbon nanotubes

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Nanomaterials due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Chemical Engineering (Miscellaneous).

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-04-01:

  • WoS: 1
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-01:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 10 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

    It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

    • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
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    Leadership analysis of institutional authors

    This work has been carried out with international collaboration, specifically with researchers from: Chile.

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    Awards linked to the item

    No Statement Available
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