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 …

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

Contradiction between no effective photophysical experiments and high device results
causes the “hot exciton” thermally activated delayed fluorescence (TADF) mechanism to be …

A facile molecular design strategy for switching between thermally activated delayed
fluorescence (TADF) and hybridized local and charge transfer (HLCT) emissions has been …

Triplet excitons in a high-lying reverse intersystem crossing (hRISC) process play an
important role in realizing efficient deep-blue materials, and how to make full use of triplet …

The reverse intersystem crossing (RISC) process conducted from high-energy triplet states
(Tn, n≥ 2) to singlet states (Sm, m≥ 1), termed as the hot exciton process, has been …

Thermally activated delayed fluorescence (TADF) materials with through-space charge
transfer (TSCT) have recently attracted extensive attention. However, how to rationally …

Organic fluorophores with unique photophysical properties that converting the triplet
excitons to singlet excitons, are desired to improve the efficiencies of organic light-emitting …

Functional materials with unique properties or specific functions, have been developed
greatly in the areas of information, aerospace, energy, biology and so forth. Recently …

Abstract ''Hot-exciton''materials exhibiting high-lying reverse intersystem crossing (hRISC)
are promising candidates for organic light-emitting diode (OLED) materials owing to their …