Unraveling the not-so-large trion binding energy in monolayer black phosphorus

Abstract

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Trion induced photoluminescence of a doped MoS2 monolayer

“…[41][42][43][44] Due to rapid advances of the computational methods and computing power, direct diagonalization of the corresponding three-particle Hamiltonian is now possible. [45][46][47][48][49][50][51][52][53] However, until now, the main attention has been focused on trions with zero center-of-mass momentum. Certain progress in the studies of non-zero momentum neutral (two-particle) excitons was achieved for undoped systems.…”

Trion induced photoluminescence of a doped MoS2 monolayer

“…[40][41][42][43] Due to rapid advances of the computational methods and computing power direct diagonalization of the corresponding three-particle Hamiltonian is now possible. [44][45][46][47][48][49][50][51][52] However, until now the main attention has been focused on trions with zero center-of-mass momentum. Certain progress in the studies of non-zero momentum neutral (two-particle) excitons was achieved for undoped systems.…”

Exciton-Scattering-Induced Dephasing in Two-Dimensional Semiconductors

“…We expect that our theoretical footing for EID is widely applicable to inorganic and organic semiconductors with tightly bound excitons indicating strong Coulomb interactions and pronounced many-body effects for nonlinear excitation below the Mott transition, or other bosonic gases in condensed matter physics [75]. Possible candidates are not only other exciton dominated two-dimensional structures, such as back phosphorus [76][77][78][79][80] or transition metal trichalcogenides [81,82] but also, for instance, thin CdSe [83] or perovskite nanoplatelets [84,85], and organic as well as hybrid organic-inorganic structures [86][87][88]. We believe that our work will trigger calculations in other material systems as our description is applicable once the excitonic eigenvalue problem is solved.…”