Fig. 2: Photophysical properties of the 4TPYBOH@PVA films. | Nature Communications

Fig. 2: Photophysical properties of the 4TPYBOH@PVA films.

From: Finely manipulating room temperature phosphorescence by dynamic lanthanide coordination toward multi-level information security

Fig. 2

a The illustration of chemical structure and hydrogen bonding of 4TPYBOH@PVA film and photographs of 0.6 wt% 4TPYBOH@PVA film taken under and after removing the 254 nm UV irradiation, scale bar = 1 cm. b Fluorescence spectra, c Phosphorescence spectra, d Phosphorescence-decay profiles and e Lifetime histogram (monitored at 450 nm) of 4TPYBOH@PVA films at different doping ratios of organic phosphor. f Excitation-phosphorescence mapping of 0.6 wt% 4TPYBOH@PVA film. g Attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectra of 4TPYBOH@PVA films at different doping ratios of organic phosphor.

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