Journal
MODERN PHYSICS LETTERS B
Volume 37, Issue 20, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217984923500513
Keywords
Heterostructure; borophene; graphene; DFT
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In this study, the electronic and structural properties of the newly synthesized beta 12-borophene/graphene (beta 12-B/Gr) heterostructure were investigated using density functional theory. The research reveals the stability of the beta 12-B/Gr heterostructure, which solves the instability issue of the borophene monolayer. The heterostructure exhibits good conductivity and can be a potential candidate for applications in ion batteries, lithium, and hydrogen storage.
Heterostructures, owing to their synergistic effects between the layers, have prompted interest as they supply the essential physical properties for extensive potential applications. In this letter, the electronic and structural properties of the newly synthesized vertical beta 12-borophene/graphene (beta 12-B/Gr) heterostructure are investigated by the density functional theory. This study reveals proper stability for the beta 12-B/Gr heterostructure from the binding energies, which facilitate the instability issue of the borophene monolayer. The binding energy shows this heterostructure is a van der Waals (vdW) heterostructure, and the layers are stacked collectively with the aid of the vdW type bond. Additionally, the electronic properties of this novel heterostructure mostly preserve the electronic properties of monolayers. Furthermore, there is a bit of shift in graphene Dirac to the negative energy references to the Fermi level, due to which the graphene n-doped and the transferred charge along with the charge carrier concentration are calculated. The band structure of the beta 12-B/Gr heterostructure is a plain sum total of the band structures of monolayers. Owing to this reality, this heterostructure exhibits great conductivity. This property makes the beta 12-B/Gr heterostructure to be a good applicant as an anode for ion batteries, lithium, and hydrogen storage applications.
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