Afterglow materials are attracting widespread attention owing to their distinctive and long-
lived optical emission properties which create exciting opportunities in various fields. Recent …

N-Heterocyclic carbenes, despite being isolated and characterized three decades ago, still
capture scientists' interest as versatile, modular and strongly coordinating moieties. In the …

Photocatalyzed and photosensitized chemical processes have seen growing interest
recently and have become among the most active areas of chemical research, notably due …

Many coordination complexes and organometallic compounds with the 4d6 and 5d6
valence electron configurations have outstanding photophysical and photochemical …

Organic light‐emitting diodes (OLEDs) have come a long way ever since their first
introduction in 1987 at Eastman Kodak. Today, OLEDs are especially valued in the display …

The employment of N-heterocyclic carbenes (NHCs) to design luminescent metal
compounds has been the focus of recent intense investigations because of the strong σ …

There has been emerging interest in the exploitation of the photophysical and
photochemical properties of transition metal complexes for diagnostic and therapeutic …

Commercial carbazole has been widely used to synthesize organic functional materials that
have led to recent breakthroughs in ultralong organic phosphorescence, thermally activated …

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 …

Precious and rare elements have traditionally dominated inorganic photophysics and
photochemistry, but now we are witnessing a paradigm shift toward cheaper and more …