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2D metal chalcogenides (MCs) have garnered significant attention from both scientific and industrial communities due to their potential in developing next‐generation functional devices. Vapor‐phase deposition methods have proven highly effective in fabricating high‐quality 2D MCs. Nevertheless, the conventionally high thermal budgets required for synthesizing 2D MCs pose limitations, particularly...
The Effect of Edge Termination
In article number 2205800, Humberto Terrones, Ana Laura Elías, Mauricio Terrones, and co‐workers demonstrate the importance of atomic edge termination in determining the spatial distribution of substitutional dopants in 2D transition metal dichalcogenide (TMD) hexagonal monolayers. Preferential iron and vanadium doping occurs on the sulfur‐terminated edges of the hexagonal...
The ability to control the density and spatial distribution of substitutional dopants in semiconductors is crucial for achieving desired physicochemical properties. Substitutional doping with adjustable doping levels has been previously demonstrated in 2D transition metal dichalcogenides (TMDs); however, the spatial control of dopant distribution remains an open field. In this work, edge termination...
Recent efforts in the field of organic photodetectors (OPD) have been focused on extending broadband detection into the near‐infrared (NIR) region. Here, two blends of an ultralow bandgap push–pull polymer TQ‐T combined with state‐of‐the‐art non‐fullerene acceptors, IEICO‐4F and Y6, are compared to obtain OPDs for sensing in the NIR beyond 1100 nm, which is the cut off for benchmark Si photodiodes...
Strong spatial confinement and highly reduced dielectric screening provide monolayer transition metal dichalcogenides with strong many‐body effects, thereby possessing optically forbidden excitonic states (i.e., dark excitons) at room temperature. Herein, the interaction of surface plasmons with dark excitons in hybrid systems consisting of stacked gold nanotriangles and monolayer WS2 is explored...
In article number 1900982, Yuebing Zheng and co‐workers demonstrate that the coupling between out‐of‐plane localized surface plasmon resonances and dark K‐K excitons in monolayer WS2 leads to narrow Fano resonances in the hybrid systems consisting of stacked gold nanotriangles and monolayer WS2.
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