WebMar 30, 2024 · Due to thickness dependent direct band gap, phosphorene can be switched between insulating and conducting states and it is still flat enough to confine electrons so that charge flows quickly at 286 cm2 /V-s in phosphorene field-effect transistors (FET) with on/off ratio up to 10 4 at room temperature comparable to Si/SiO 2 [12], [13]. WebJun 11, 2024 · More importantly, the direct band gap can be dramatically tuned by either the in-plane strain or the coverage ratio of adsorbates, which enables monolayer blue phosphorus to efficiently adsorb visible light. The mechanism of strain effect and surface adsorption on band gap tuning was deeply discussed.
Phosphorene: An Unexplored 2D Semiconductor with a High Hole …
Weblayer phosphorene attracted much attention due to its unique electronic and mechanical properties. Its fundamental band gap (E g) can be tuned by increasing the number of … WebWe find phosphorene to be stable and, unlike graphene, to have an inherent, direct, and appreciable band gap. Our ab initio calculations indicate that the band gap is direct, depends on the number of layers and the in-layer strain, and is significantly larger than the bulk value of 0.31–0.36 eV. The observed photoluminescence peak of single ... hoverboards.com legit
Two-Dimensional PC 6 with Direct Band Gap and Anisotropic …
WebJul 25, 2024 · A tunable band gap in phosphorene extends its applicability in nanoelectronic and optoelectronic applications. Here, we propose to tune the band gap in phosphorene by patterning antidot lattices, which are periodic arrays of holes or nanopores etched in the material, and by exploiting quantum confinement in the corresponding nanoconstrictions. WebOct 8, 2014 · Abstract. In this article, we experimentally demonstrate that the transport gap of phosphorene can be tuned monotonically from ∼0.3 to ∼1.0 eV when the flake thickness is scaled down from bulk to a single layer. As a consequence, the ON current, the OFF current, and the current ON/OFF ratios of phosphorene field effect transistors (FETs ... WebOct 20, 2014 · Importantly, the varied band gap and robust direct band gap character in few-layer phosphorene provides a basis to fabricate multi-junction solar cells which can more … how many grams 1 cup flour