Fig. 2: Characteristics of HTA Phenomena.
From: Full-color programmable high temperature afterglow polymers based on single-molecule emitters

a Temperature-dependent delayed emission spectra, b normalized delayed emission spectra, c CIE coordinates, and d, e lifetime spectra of TPCS-4@PAM film (Conc = 1% wt). (PL photoluminescence, CIE Commission Internationale de l'Éclairage; Conc. concentration, wt weight percent).