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Resolving Few-Layer Antimonene/Graphene Heterostructures by Gupta, Tushar; Elibol, Kenan; Hummel, Stefan; Stöger-Pollach, Michael; Mangler, Clemens; Habler, Gerlinde; Meyer, Jannik C.; Eder, Dominik; Bayer, Bernhard C. is a scholarly article available to read on EtoBox.

What is Resolving Few-Layer Antimonene/Graphene Heterostructures about?

Two-dimensional (2D) antimony (Sb, antimonene) recently attracted interest due to its peculiar electronic properties and its suitability as anode material in next generation batteries. Sb however exhibits a large polymorphic/allotropic structural diversity, which is also influenced by the Sb's support. Thus understanding Sb heterostructure formation is key in 2D Sb integration. Particularly 2D Sb/graphene interfaces are of prime importance as contacts in electronics and electrodes in batteries. We thus study here few-layered 2D Sb/graphene heterostructures by atomic-resolution (scanning) transmission electron microscopy. We find the co-existence of two Sb morphologies: First is a 2D growth morphology of layered beta-Sb with beta-Sb(001)||graphene(001) texture. Second are one-dimensional (1D) Sb nanowires which can be matched to beta-Sb with beta-Sb[2-21] perpendicular to graphene(001) texture and are structurally also closely related to thermodynamically non-preferred cubic Sb(001)||graphene(001). Importantly, both Sb morphologies show rotational van-der-Waals epitaxy with the graphene support. Both Sb morphologies are well resilient against environmental bulk oxidation, although s

Author

Gupta, Tushar; Elibol, Kenan; Hummel, Stefan; Stöger-Pollach, Michael; Mangler, Clemens; Habler, Gerlinde; Meyer, Jannik C.; Eder, Dominik; Bayer, Bernhard C.

Published

2020

Language

EN