According to Kasha's rule, high-lying excited states usually have little effect on fluorescence.
However, in some molecular systems, the high-lying excited states partly or even mainly …

Hund's multiplicity rule states that a higher spin state has a lower energy for a given
electronic configuration. Rephrasing this rule for molecular excited states predicts a positive …

Triplet harvesting processes are essential for enhancing efficiencies of fluorescent organic
light-emitting diodes. Besides more conventional thermally activated delayed fluorescence …

Organic radicals have been of interest due to their potential to replace nonradical‐based
organic emitters, especially for deep‐red/near‐infrared (NIR) electroluminescence (EL) …

Herein, two new triplet–triplet annihilation (TTA) molecules, namely HO-PIAC and PIAC, as
deep-blue emitters for high-efficiency TTA-OLEDs were designed and synthesized. HO …

The development of luminescent organic radicals has resulted in materials with excellent
optical properties for near-infrared emission. Applications of light generation in this range …

Organic deep-red fluorescent materials have a wide range of applications in organic light-
emitting diodes (OLEDs), biological imaging, night-vision equipment, and other fields. Here …

A series of six dications composed of pure hydrocarbons with one to six non-substituted 9,
10-anthrylene units end-capped with two dibenzotropyliums were designed and synthesized …

Traditionally, hot excitons or hot carriers generated in semiconductors were considered
unfavourable for many applications, given that they may cause energy loss and device …

Achieving high efficiency deep-blue organic light-emitting diodes (OLEDs) with a CIE y<
0.08 is still terribly urgent yet challenge. Herein, we designed and synthesized a novel blue …