Cascaded plasmon-plasmon coupling mediated energy transfer across stratified metal-dielectric nanostructures.

ABSTRACT: Surface plasmon (SP) coupling has been successfully applied to nonradiative energy transfer via exciton-plasmon-exciton coupling in conventionally sandwiched donor-metal film-acceptor configurations. However, these structures lack the desired efficiency and suffer poor photoemission due to the high energy loss. Here, we show that the cascaded exciton-plasmon-plasmon-exciton coupling in stratified architecture enables an efficient energy transfer mechanism. The overlaps of the surface plasmon modes at the metal-dielectric and dielectric-metal interfaces allow for strong cross-coupling in comparison with the single metal film configuration. The proposed architecture has been demonstrated through the analytical modeling and numerical simulation of an oscillating dipole near the stratified nan

SUBMITTER: Golmakaniyoon S 

PROVIDER: S-EPMC5048420 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature