Extended Spatial Coherence of Interlayer Excitons inMoSe2/WSe2Heterobilayers

van der Waals 2D transition metal dichalcogenide/organic hybridized heterostructures: recent breakthroughs and emerging prospects of the device

“…30 In type II, in particular p–n junction, TMDO heterostructures, generally the PL emission peak quenches for individual layers; however, recently an extra ILX emission peak from the NIR to IR range has been observed. Due to their spatially indirect nature, interlayer excitons possess long-lifetimes, attributed to the reduced overlap between electron and hole wavefunctions, 31,32 extended spatial coherence of the excitons, 33 quantum emitter, 34 and high-temperature exciton condensate. 35,36 Most recently, Thompson et al , has unveiled, in both theoretical models and experimental observations, distinct features of the entire intra- and interlayer exciton landscape in the PL spectra.…”