By exploring liquid-phase exfoliation in an imidazolium ionic liquid, 1-butyl-3-
methylimidazolium hexafluorophosphate ([BMIM] PF6), with the help of a two-step ultrasonic …

Layered materials exhibit different electronic and phonon properties along in-plane and out-
of-plane directions; existing studies focus on their in-plane behaviors, and the influence of …

Multilayer black phosphorus (BP) has been widely used in many infrared applications due to
its narrow bandgap below 3.7-µm wavelength range. Approaches that reduce the bandgap …

Phosphorene possesses a unique combination of physical and chemical properties,
including tunable direct bandgap, anisotropic electronic and optical properties. However …

Van der Waals materials exhibit intriguing properties for future electronic and optoelectronic
devices. As those unique features strongly depend on the materials' thickness, it has to be …

The Schottky regulation mechanism of nonmetal-doped graphene/MoSe 2 heterojunctions
was investigated using a first-principles approach. Graphene and MoSe 2 bonded with weak …

Le phosphore noir est un semi-conducteur à petit gap (environ 0.3 eV) ayant récemment
rejoint la famille des matériaux bidimensionnels. Sa bande interdite modulable du moyen …

Layered materials and systems composed of these are considered an emerging class of
materials because of their manifold and tunable properties. These stem from both, the …