A comparative study of platinum polymer and its palladium analog was reported and a more detailed information about the temperature variation of both singlet and triplet excitation in these two materials was presented. It was discovered that for the palladium polymer the Stokes' shift was around 1 eV. Since palladium possessed a smaller atomic mass than platinum, the spin-orbit coupling was reduced. A substantially longer-lived triplet exciton was observed. For the Pd polymer the lifetime was increased to several hundred μs at 10K. Comparison of the platinum and palladium polymers allowed an analysis of the singlet and triplet excitation pathways, which was presented in this paper as well.
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics