We report an efficient deep-blue organic light-emitting diode (OLED) based on a heptazine-based thermally activated delayed fluorescent (TADF) emitter, 2,5,8-tris(diphenylamine)-tri-s-triazine (HAP-3DPA). The deep-blue-emitting compound, HAP-3DPA, was designed and synthesized by combining the relatively rigid electron-accepting heptazine core with three electron-donating diphenylamine units. Du...

We present a simple approach towards highly efficient solid-state luminophores with strong deep blue emission and a record high photoluminescence quantum yield of 60% by embedding water-soluble N,S-co-doped carbon dots into a polyhedral oligomeric silsesquioxane (POSS) matrix.

Oceans at a depth ranging from ~100 to ~1000-m (defined as the intermediate water here), though poorly understood compared sea surface, is critical layer of Earth system where many important oceanographic processes take place. Advances in ocean observation and computer technology have allowed science enter era big data (to be precise, for surface layer, small bottom sits between) greatly promot...

The low efficiency of blue devices has been a bottleneck problem for OLED panel manufacturers long time. In recent years, TASF‐OLED attracted great attention because the high external quantum and color purity, which makes it promising technology deep OLEDs. this paper, we present our latest development TADF material TASF‐OLEDs with an emission peak at 460 nm up to 31 %.