Ultrafast rotation of CdS nanopods asserted from excited state dynamics

Abstract The correlated optical and mechanical properties through fast dipolar interactions have been assessed from the excited state dynamics of the hexagonal phase cadmium sulphide nanopods (aspect ratio ∼ 5.3) dispersion. The polarization dependent time resolved emission spectroscopy, and time dependent anisotropic analyses reveal the ultrafast rotation of the nanopods with time period 230.71 ns, and 559.03 ns along the parallel and perpendicular axis, respectively. This demonstrates the diligence of the nanopods as an excellent optically active rotor for nanomechanical systems.