2D transitional metal dichalcogenide (TMDC) materials have potential applications in image arrays for electronic eyes that mimick the human visual system. However, as a crucial requirement of eye, color discrimination is hard to achieve due broad absorption band TMDCs visible region. Here, red-sensitive photodetector based on defect-engineered WSe2-Graphene heterostructure covered by PBDB-T pol...

The spin and valley degree of freedom are a novel way to extend the functionalities spintronic valleytronic devices. A traditional, room-temperature examining polarization generates photocurrent whose magnitude polarity depend on chirality induced optical excitation. circularly polarized photovoltaic effect is kind second-order nonlinear photoelectric response, which means that generated varies...

Transition metal dichalcogenides (TMDCs) have been extensively explored for applications in electronic and optoelectronic devices due to their unique material properties. However, the presence of large contact resistances is still a fundamental challenge in the field. In this work, we study defect engineering by using a mild plasma treatment (He or H2) as an approach to reduce the contact resis...

Nitrides, carbides, and borides of transition metals are an attractive class of hard materials. Our recent preliminary explorations of the binary chemical compounds indicated that chromium-based materials are among the hardest transition metal compounds. Motivated by this, here we explore in detail the binary Cr-B, Cr-C, and Cr-N systems using global optimization techniques. Calculated enthalpy...

Charge separated interlayer excitons in transition metal dichalcogenide (TMDC) heterobilayers are being explored for moir\'e exciton lattices and condensates. The presence of permanent dipole moments the poorly screened Coulomb interaction make many body interactions particularly strong excitons. Here we reveal two distinct phase transitions MoSe2/WSe2 heterobilayer using time spatially resolve...

Interfaces of dye molecules and two-dimensional transition metal dichalcogenides (TMDCs) combine strong molecular dipole excitations with high carrier mobilities in semiconductors. F\"orster type energy transfer is one key mechanism for the coupling between both constituents. We report microscopic calculations a spectrally resolved induced rate from to TMDC layer. Our approach based on Bloch eq...