| abstract |
The invention relates to the technical field of optical and electro-optical materials, and discloses a derivative based on 4,10-dioxo-5,9-diboropyrene, a preparation method and application thereof. The diboroxapyrene derivatives can be delayed fluorescent and/or phosphorescent emitters, and have the characteristics of high thermal decomposition temperature, easily tunable triplet energy levels, and high quantum effects. / The field of barrier materials has huge application prospects. |