Tunable full-color emitting borosilicate glasses via utilization of Ce3+ ions as multiple energy transfer contributors

Influence of Cu+ cations on photoluminescence properties of Tb3+ in Cu+–Na+ ion-exchanged sodium-borosilicate glasses

“…More interestingly, the intensities of Tb 3+ emissions in GTbCuy (y = 10-40) glasses increase obviously compared with the Tb 3+ -single doped GTb. Furthermore, with the increase of IET, the emission intensity of Tb 3+ in GTbCuy initially increases from IET = 0 to 20, and reaches a maximum at IET = 20, beyond which it decreases due to the interplay between Cu + and Tb 3+ and the Cu + -Cu + concentration quenching effect [4]. The above phenomena further demonstrate that the PL enhancement of Tb 3+ emission excited at 286 nm is attributed to the ET process from Cu + to Tb 3+ cations [2,26], which is in accordance with the results in Fig.…”

“…4(b) [2,4,13]. The PL spectra (λ ex = 286 nm) and the PLE spectra (λ em = 447, 545 nm) of GCu10 and GTbCu10 samples are illustrated as a reference.…”

“…Over the past decades, trivalent rare-earth (RE) cations activated luminescent materials have been extensively used in the optoelectronic fields [1][2][3][4][5][6]. However, the narrow line width and the low oscillator strength of the parity-forbidden 4f → 4f absorption transitions of RE cations result in a weak absorptivity in the ultraviolet (UV) range [1,4,7,8].…”

“…However, the narrow line width and the low oscillator strength of the parity-forbidden 4f → 4f absorption transitions of RE cations result in a weak absorptivity in the ultraviolet (UV) range [1,4,7,8]. As a result, RE cations with the small absorption cross section cannot be efficiently pumped by UV excitation sources [1,9,10].…”

Multi-wavelength-driven solar spectral conversion in P2O5–ZnO–Li2O glasses for improving greenhouse photosynthetic activity

“…Over the past decades, the primary investigation into amorphous luminescent glasses has been limited to rare-earth (RE) cations doped glasses [4][5][6][7]. Unfortunately, most of the RE cations are expensive, toxic, and very unevenly distributed on earth, which seriously limits their applications in various fields [8].…”