Abstract
Three donor-acceptor type host materials with different photophysical properties were developed by managing the interconnect position of the donor and acceptor moieties and molecular structure of the host materials was correlated with the electro-optical properties and device performances of the host materials. The linkage via the meta-position of aromatic units was better than the linkage via ortho- or para-positions and high quantum efficiency of 26.0% in the green thermally activated delayed fluorescent device was achieved using the host material with the meta-linkage.
| Original language | English |
|---|---|
| Pages (from-to) | 2899-2904 |
| Number of pages | 6 |
| Journal | ACS Applied Materials and Interfaces |
| Volume | 7 |
| Issue number | 4 |
| DOIs | |
| State | Published - 4 Feb 2015 |
Keywords
- carbazole
- dicyanobenzene
- donor-acceptor type host
- green fluorescent device
- high quantum efficiency
- thermally activated delayed fluorescence
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