We developed six Sn4+-porphyrin complexes showing thermally activated delayed fluorescence (TADF). The TADF intensities were increased with an increase of temperature owing to acceleration of the reverse intersystem crossing from triplet to singlet excited states by heat activation. Further, we demonstrate TADF under electrical excitation. We believe that TADF will provide novel light-emitting mechanism which significantly enhances electroluminescence quantum efficiency.
|Number of pages
|SID Conference Record of the International Display Research Conference
|Published - 2008
|28th International Display Research Conference, IDRC'08 - Orlando, FL, United States
Duration: Nov 4 2008 → Nov 6 2008
All Science Journal Classification (ASJC) codes
- Electrical and Electronic Engineering