Recently. exciplexes have been actively investigated in white organic light-emitting diodes (WOLEDs). since they can be effectively functioned as (i) fluorescent or thermally activated delayed fluorescent (TADF) emitters; (ii) the hosts of fluorescent. phosphorescent and TADF dopants. https://www.roneverhart.com/Martin-000-15SM-15-Series-12-Fret-Acoustic-Guitar-p19001/