Figure 1 | PersL properties of CaGa₁.₉₇O₄:0.5%Bi³⁺ under ambient conditions. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 1 | PersL properties of CaGa₁.₉₇O₄:0.5%Bi³⁺ under ambient conditions.

Caption

(a) Normalized excitation-wavelength-dependent PersL spectra of CaGa1.97O4:0.5%Bi (irradiation time, 5 min; interval, 1 min). (b) Persistent decay monitored at the corresponding wavelength after 5 min of xenon lamp excitation from 240 to 440 nm. (c) The trajectory of tunable PersL colors recorded when changing the excitation wavelength from 240 to 440 nm. (d) ultraviolet color chart showing the ability to visually detect specific wavelengths in the ultraviolet range using CaGa1.97O4:0.5%Bi.

Credit

by Bo-Mei Liu, Yue Lin, Yingchun Liu, Bibo Lou, Chong-Geng Ma, Hui Zhang, and Jing Wang

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License

CC BY

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