Evidence map›Paper›PMID 40940376›Full record

ArticleScientific reports2025

Structural, electronic and thermodynamic properties of triatomic borate-terminated MXene surfaces.

Guilherme Ribeiro Portugal, Johanna Rosen

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

2 authors.

Guilherme Ribeiro PortugalMaterials Design, Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden. guilherme.ribeiro.portugal@liu.se.
Johanna RosenMaterials Design, Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden. johanna.rosen@liu.se.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

MXenes, a rapidly growing family of two-dimensional carbides and nitrides, have attracted attention for their high electrical conductivity and highly tunable surface chemistry. The recent synthesis of MXenes featuring triatomic borate (BO[Formula: see text]) terminations via a molten route further expanded the range of achievable surface functionalities. Here, we employ density functional theory calculations to systematically investigate a selection of BO[Formula: see text]-terminated MXenes, including Ti[Formula: see text]N, Ti[Formula: see text]C, V[Formula: see text]C, Nb[Formula: see text]C, Ta[Formula: see text]C, Ti[Formula: see text]C[Formula: see text], Ti[Formula: see text]N[Formula: see text], Ti[Formula: see text]C[Formula: see text], V[Formula: see text]C[Formula: see text], Nb[Formula: see text]C[Formula: see text], and Ta[Formula: see text]C[Formula: see text]. Our calculations reveal that such BO[Formula: see text] polyanionic terminations significantly distort the MXene lattice, increasing the thickness of each M[Formula: see text]X[Formula: see text] layer compared to the corresponding parent MAX phases. These structural changes are accompanied by pronounced near-surface charge transfer, indicative of strong bonding interactions between the MXene and BO[Formula: see text] functional groups. Electronic structure analysis further demonstrates that surface BO[Formula: see text] units introduce additional electronic states near the Fermi level, potentially enhancing transport properties relative to Cl-terminated MXenes. Thermodynamic modeling confirms that triatomic borate terminations are energetically favorable under realistic experimental conditions, explaining why these groups can dominate over chlorine terminations during the reported synthesis route. Collectively, our results elucidate how borate functionalization reshapes the structural and electronic properties of MXenes, offering valuable insights into the strategic engineering of advanced two-dimensional materials tailored for multifunctional applications.

Indexed as

2D MaterialsDensity function theoryMXenesSurface chemistry

Identifiers

PMID40940376
PMCPMC12432132

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