“…The recent surge of interest in two-dimensional (2D) materials, such as transition metal dichalcogenides (TMDs) 1–6 and single elemental materials, 7 has enabled tremendous progress in a broad range of applications, such as electronics, 8,9 optoelectronics, 10,11 spintronics, 12,13 non-volatile memories, 14 and neuromorphic computing. 15,16 In this regard, single elemental 2D materials, such as graphene, 17–19 phosphorene, 14,20 silicene, 21,22 and others, have gained much attention due to their superior properties.…”