Exciton-phonon coupling and phonon-assisted exciton relaxation dynamics in In_1-xGa_xP quantum dots.

ABSTRACT: Quantum dots leverage quantum confinement to modify the electronic structure of materials, separating electronic transitions from the composition of the corresponding bulk material. With ternary quantum dots, the composition may be varied continuously so that both composition and size may be used to tune the bandgap. As composition influences electron-phonon coupling which in turn governs relaxation dynamics, the composition of ternary quantum dots may be adjusted to change dynamics. Here, we show that exciton-phonon coupling and phonon-assisted exciton relaxation dynamics remain strongly correlated to material composition in ternary In_0.62Ga_0.38P/ZnS and In_0.35Ga_0.65P/ZnS quantum dots using both experimental two-dimensional electronic spectrosco

SUBMITTER: Li BC 

PROVIDER: S-EPMC12075781 | biostudies-literature | 2025 May

REPOSITORIES: biostudies-literature