Transition metal dichalcogenide (TMDC) semiconductors have attracted significant attention because of their rich electronic/photonic properties and importance for fundamental research and novel device applications. These materials provide a unique opportunity to build up high quality and atomically sharp heterostructures because of the nature of weak van der Waals interlayer interactions. The v...

M any two-dimensional (2D)materials exist in bulk form as stacks of bonded layers with weak van der Waals interlayer attraction. Thanks to their particular structure, they can be exfoliated into atomically thin monolayers that hold promise for next-generation flexible electronics and optoelectronics. Graphene has received much attention in the past decade, due in large part to exceptional elect...

Two-dimensional (2D) Janus transitional metal dichalcogenides (TMDCs) have great potential for photocatalytic water splitting due to their novel properties induced by the unique out-of-plane asymmetric structures. Here, we systematically investigate geometric, electronic and optical of 2D MoSSe with titanium doping vacancies explore synergistic effects on activity. We find that there are effect...

In non-centrosymmetric metals, spin-orbit coupling (SOC) induces momentum-dependent spin polarization at the Fermi surfaces. This is exemplified by valley-contrasting in monolayer transition metal dichalcogenides (TMDCs) with in-plane inversion asymmetry. However, valley configuration of massive Dirac fermions TMDCs fixed graphene-like structure, which limits variety spin-valley coupling. Here,...

Two-dimensional (2D) transition metal dichalcogenides (TMDCs) are the subject of intense investigation for applications in optics, electronics, catalysis, and energy storage. Their optical electronic properties can be significantly enhanced when encapsulated an environment that is free charge disorder. Because hexagonal boron nitride (h-BN) atomically thin, highly-crystalline, a strong insulato...

Stable excitons in semiconductor monolayers such as transition-metal dichalcogenides (TMDCs) enable and motivate fundamental research well the development of room-temperature optoelectronics applications. The newly discovered layered magnetic materials present a unique opportunity to integrate optical functionalities with magnetism. We predict that large class antiferromagnetic semiconducting $...

Tailoring the surface properties of 2D materials, such as transition metal dichalcogenides (TMDCs), at nanoscale is becoming essential in fabrication various material-based nanoelectronic devices. Due to chemical inertness their basal plane, modification TMDCs limited defective sites, often requiring special treatments, conversion TMDC from its semiconducting into metallic phase. In this work, ...

The synergetic combination of transition metal dichalcogenides (TMDCs) with organic dye molecules in functional heterostructures is promising for various optoelectronic applications. Here resonance energy transfer (RET) from a red-emitting WS2 monolayer (1L-WS2) to layer near-infrared (NIR) emitting demonstrated. It found that the total photoluminescence (PL) yield up factor eight higher as com...

The usage of molten salts, e.g., Na2MoO4 and Na2WO4, has shown great success in the growth two-dimensional (2D) transition metal dichalcogenides (TMDCs) by chemical vapor deposition (CVD). In comparison with halide salt (i.e., NaCl, NaBr, KI)-assisted (Salt 1.0), salt-assisted vapor-liquid-solid (VLS) technique 2.0) improved reproducibility, efficiency scalability synthesizing 2D TMDCs. However...

Abstract Most of the previous TMDC-photon coupling devices were mainly based on A exciton due to its high oscillator strength and large binding energy. Less effort has been focused modulation emission B Rydberg states in TMDCs, especially monolayer WS 2 . Here, we demonstrate that photoluminescence (PL) -microcavity can be tailored a broad visible wavelength range (490 nm–720 nm). In contrast i...